/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/safe023_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 00:19:37,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 00:19:37,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 00:19:37,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 00:19:37,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 00:19:37,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 00:19:37,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 00:19:37,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 00:19:37,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 00:19:37,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 00:19:37,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 00:19:37,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 00:19:37,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 00:19:37,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 00:19:37,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 00:19:37,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 00:19:37,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 00:19:37,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 00:19:37,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 00:19:37,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 00:19:37,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 00:19:37,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 00:19:37,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 00:19:37,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 00:19:37,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 00:19:37,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 00:19:37,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 00:19:37,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 00:19:37,590 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 00:19:37,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 00:19:37,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 00:19:37,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 00:19:37,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 00:19:37,623 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 00:19:37,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 00:19:37,624 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 00:19:37,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 00:19:37,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 00:19:37,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 00:19:37,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 00:19:37,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 00:19:37,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 00:19:37,625 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 00:19:37,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 00:19:37,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 00:19:37,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 00:19:37,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 00:19:37,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 00:19:37,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 00:19:37,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 00:19:37,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:19:37,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 00:19:37,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 00:19:37,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 00:19:37,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 00:19:37,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 00:19:37,629 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 00:19:37,629 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 00:19:37,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 00:19:37,629 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 00:19:38,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 00:19:38,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 00:19:38,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 00:19:38,042 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 00:19:38,043 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 00:19:38,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_pso.opt.i [2021-04-29 00:19:38,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a96fc7da3/a51c726986a94da1be24b3799819f85a/FLAGdc8bd6f64 [2021-04-29 00:19:39,021 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 00:19:39,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_pso.opt.i [2021-04-29 00:19:39,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a96fc7da3/a51c726986a94da1be24b3799819f85a/FLAGdc8bd6f64 [2021-04-29 00:19:39,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a96fc7da3/a51c726986a94da1be24b3799819f85a [2021-04-29 00:19:39,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 00:19:39,266 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 00:19:39,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 00:19:39,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 00:19:39,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 00:19:39,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:19:39" (1/1) ... [2021-04-29 00:19:39,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a96811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:39, skipping insertion in model container [2021-04-29 00:19:39,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:19:39" (1/1) ... [2021-04-29 00:19:39,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 00:19:39,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 00:19:39,517 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/safe023_pso.opt.i[992,1005] [2021-04-29 00:19:39,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:19:39,972 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 00:19:39,992 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/safe023_pso.opt.i[992,1005] [2021-04-29 00:19:40,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:19:40,293 INFO L208 MainTranslator]: Completed translation [2021-04-29 00:19:40,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40 WrapperNode [2021-04-29 00:19:40,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 00:19:40,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 00:19:40,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 00:19:40,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 00:19:40,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40" (1/1) ... [2021-04-29 00:19:40,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40" (1/1) ... [2021-04-29 00:19:40,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 00:19:40,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 00:19:40,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 00:19:40,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 00:19:40,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40" (1/1) ... [2021-04-29 00:19:40,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40" (1/1) ... [2021-04-29 00:19:40,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40" (1/1) ... [2021-04-29 00:19:40,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40" (1/1) ... [2021-04-29 00:19:40,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40" (1/1) ... [2021-04-29 00:19:40,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40" (1/1) ... [2021-04-29 00:19:40,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40" (1/1) ... [2021-04-29 00:19:40,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 00:19:40,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 00:19:40,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 00:19:40,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 00:19:40,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40" (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 00:19:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 00:19:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 00:19:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 00:19:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 00:19:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-29 00:19:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-29 00:19:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-29 00:19:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-29 00:19:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-29 00:19:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-29 00:19:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 00:19:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 00:19:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 00:19:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 00:19:40,597 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 00:19:44,549 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 00:19:44,550 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-29 00:19:44,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:19:44 BoogieIcfgContainer [2021-04-29 00:19:44,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 00:19:44,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 00:19:44,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 00:19:44,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 00:19:44,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 12:19:39" (1/3) ... [2021-04-29 00:19:44,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444ccab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:19:44, skipping insertion in model container [2021-04-29 00:19:44,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:40" (2/3) ... [2021-04-29 00:19:44,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444ccab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:19:44, skipping insertion in model container [2021-04-29 00:19:44,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:19:44" (3/3) ... [2021-04-29 00:19:44,562 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_pso.opt.i [2021-04-29 00:19:44,571 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 00:19:44,577 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-29 00:19:44,578 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 00:19:44,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,630 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,630 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,631 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,631 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,631 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,631 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,632 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,633 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,634 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,635 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,636 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,642 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,643 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,644 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,644 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,644 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,644 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,644 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,644 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,644 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,645 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,645 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,645 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,645 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,645 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,645 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,646 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,646 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,646 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,646 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,646 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,646 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,653 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,654 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,654 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,655 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,655 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,655 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,655 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,655 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,655 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,656 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,657 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,657 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,658 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,659 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,660 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,661 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,661 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,661 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,662 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,662 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,672 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,680 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,680 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,680 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,680 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,683 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,684 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,685 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,687 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,688 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,689 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,689 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,689 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,689 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,689 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,689 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,690 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,690 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,692 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,692 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,693 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,697 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,698 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,699 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,701 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:44,703 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 00:19:44,728 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 00:19:44,755 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 00:19:44,755 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 00:19:44,755 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 00:19:44,755 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 00:19:44,755 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 00:19:44,755 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 00:19:44,755 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 00:19:44,756 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 00:19:44,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-04-29 00:19:44,819 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-29 00:19:44,819 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:19:44,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-29 00:19:44,825 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-04-29 00:19:44,831 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-04-29 00:19:44,833 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:19:44,850 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-29 00:19:44,854 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-29 00:19:44,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-04-29 00:19:44,880 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-29 00:19:44,881 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:19:44,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-29 00:19:44,885 INFO L146 LiptonReduction]: Number of co-enabled transitions 1786 [2021-04-29 00:19:48,003 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-29 00:19:48,114 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-29 00:19:48,673 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-29 00:19:48,904 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 00:19:50,424 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-29 00:19:50,909 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-29 00:19:53,267 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:19:54,302 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:19:57,271 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-29 00:19:57,786 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:20:00,236 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-29 00:20:01,376 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:20:02,622 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:20:03,746 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-04-29 00:20:06,438 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:20:07,687 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:20:09,102 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-29 00:20:09,724 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-29 00:20:12,525 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-29 00:20:13,828 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-29 00:20:17,671 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-29 00:20:19,067 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2021-04-29 00:20:22,296 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-29 00:20:23,847 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:20:25,547 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-29 00:20:26,354 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:20:29,834 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-29 00:20:31,527 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:20:33,294 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-29 00:20:34,104 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-29 00:20:37,949 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:20:39,729 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:20:41,888 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-29 00:20:42,877 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-29 00:20:46,936 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-29 00:20:48,943 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:20:52,926 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:20:54,904 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-04-29 00:20:59,663 WARN L205 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-29 00:21:01,891 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-29 00:21:04,625 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-29 00:21:05,822 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 189 [2021-04-29 00:21:11,140 WARN L205 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-29 00:21:13,730 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:21:16,496 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-29 00:21:17,788 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:21:23,049 WARN L205 SmtUtils]: Spent 5.26 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-29 00:21:25,500 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:21:28,944 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:29,059 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:29,202 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:29,319 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:29,481 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:29,643 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:29,789 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:29,939 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:30,074 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:30,192 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:30,330 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:30,456 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:30,605 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:30,734 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:30,883 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:31,014 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:31,160 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:31,286 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:31,431 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:31,548 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:31,731 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:31,882 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:32,049 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:32,200 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:32,329 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:32,446 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:32,581 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:32,701 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:33,860 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:34,001 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:34,153 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:34,293 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:34,406 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:34,515 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:34,633 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:34,770 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:35,011 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 00:21:35,248 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 00:21:35,487 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 00:21:35,725 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 00:21:35,957 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:21:36,185 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:21:36,406 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:21:36,622 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:21:36,760 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:36,896 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:37,030 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:37,172 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:37,289 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:37,411 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:37,527 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:37,645 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:37,767 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:37,888 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:38,015 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:38,137 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:38,282 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:38,427 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:38,574 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:38,723 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:38,871 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:39,016 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:39,178 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:39,323 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:39,446 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:39,563 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:39,688 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:39,807 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:39,918 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:40,029 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:40,136 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:40,239 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:40,386 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:40,529 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:40,678 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:40,821 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:40,953 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:41,085 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:41,217 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:41,352 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:41,472 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:41,589 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:41,708 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:41,831 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:42,062 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:21:42,296 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:21:42,516 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:21:42,754 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:21:42,989 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:21:43,228 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:21:43,460 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:21:43,705 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:21:43,982 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:21:44,282 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:21:44,543 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:21:44,790 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:21:44,986 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:21:45,177 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:21:45,383 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:21:45,580 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:21:45,843 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:46,096 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:46,348 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:46,591 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:46,842 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:47,099 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:47,346 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:47,596 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:47,806 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:21:48,012 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:21:48,215 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:21:48,431 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:21:48,687 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:21:48,926 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:21:49,145 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:21:49,366 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:21:49,653 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 00:21:49,931 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 00:21:50,210 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 00:21:50,517 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 00:21:50,756 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:21:51,001 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:21:51,224 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:21:51,433 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:21:51,615 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:51,767 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:51,935 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:52,087 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:52,248 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:52,430 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:52,581 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:52,757 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:53,049 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:21:53,342 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:21:53,607 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:21:53,873 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:21:54,053 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:21:54,215 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:21:54,410 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:21:54,574 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:21:54,763 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:21:54,940 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:21:55,146 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:21:55,347 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:21:55,517 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:55,689 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:55,850 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:56,027 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:56,450 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:21:56,775 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:21:57,067 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:21:57,348 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:21:57,701 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:21:58,045 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:21:58,372 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:21:58,719 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:21:59,049 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:21:59,360 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:21:59,763 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:22:00,103 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:22:00,458 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:00,802 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:01,150 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:01,486 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:01,901 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:22:02,275 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:22:02,641 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:22:03,020 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:22:03,391 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:03,782 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:04,175 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:04,548 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:04,959 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:05,372 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:05,793 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:06,220 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:06,562 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:22:06,913 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:22:07,283 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:22:07,633 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:22:08,026 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:08,419 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:08,810 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:09,188 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:09,503 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:09,841 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:10,198 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:10,521 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:10,837 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:11,158 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:11,485 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:11,803 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:12,164 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:22:12,500 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:22:12,843 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:22:13,162 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:22:14,274 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-29 00:22:14,835 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-29 00:22:15,953 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-29 00:22:16,418 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-29 00:22:17,491 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-29 00:22:17,975 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-29 00:22:19,146 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-29 00:22:19,708 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-29 00:22:20,127 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:20,503 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:20,910 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:21,282 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:21,327 INFO L158 LiptonReduction]: Checked pairs total: 16188 [2021-04-29 00:22:21,327 INFO L160 LiptonReduction]: Total number of compositions: 221 [2021-04-29 00:22:21,332 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156501 [2021-04-29 00:22:21,357 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-04-29 00:22:21,357 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:22:21,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:21,358 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 00:22:21,359 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:21,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:21,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1855050631, now seen corresponding path program 1 times [2021-04-29 00:22:21,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:21,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290271752] [2021-04-29 00:22:21,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:21,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:21,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:21,660 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 00:22:21,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290271752] [2021-04-29 00:22:21,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:21,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:22:21,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778190727] [2021-04-29 00:22:21,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:22:21,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:21,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:22:21,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:22:21,703 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 320 [2021-04-29 00:22:21,711 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 120 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 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 00:22:21,711 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:21,711 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 320 [2021-04-29 00:22:21,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:23,209 INFO L129 PetriNetUnfolder]: 1240/2812 cut-off events. [2021-04-29 00:22:23,209 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:22:23,222 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4686 conditions, 2812 events. 1240/2812 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 23985 event pairs, 734 based on Foata normal form. 33/1625 useless extension candidates. Maximal degree in co-relation 4618. Up to 1371 conditions per place. [2021-04-29 00:22:23,234 INFO L132 encePairwiseOnDemand]: 302/320 looper letters, 15 selfloop transitions, 2 changer transitions 87/136 dead transitions. [2021-04-29 00:22:23,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 136 transitions, 393 flow [2021-04-29 00:22:23,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:22:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:22:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2021-04-29 00:22:23,268 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8208333333333333 [2021-04-29 00:22:23,269 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 788 transitions. [2021-04-29 00:22:23,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 788 transitions. [2021-04-29 00:22:23,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:23,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 788 transitions. [2021-04-29 00:22:23,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 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 00:22:23,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 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 00:22:23,306 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 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 00:22:23,308 INFO L185 Difference]: Start difference. First operand has 128 places, 120 transitions, 249 flow. Second operand 3 states and 788 transitions. [2021-04-29 00:22:23,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 136 transitions, 393 flow [2021-04-29 00:22:23,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 136 transitions, 390 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 00:22:23,318 INFO L241 Difference]: Finished difference. Result has 124 places, 42 transitions, 94 flow [2021-04-29 00:22:23,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=124, PETRI_TRANSITIONS=42} [2021-04-29 00:22:23,321 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -4 predicate places. [2021-04-29 00:22:23,322 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:23,322 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 42 transitions, 94 flow [2021-04-29 00:22:23,323 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 42 transitions, 94 flow [2021-04-29 00:22:23,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 42 transitions, 94 flow [2021-04-29 00:22:23,333 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-04-29 00:22:23,334 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:22:23,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 149 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 00:22:23,335 INFO L146 LiptonReduction]: Number of co-enabled transitions 1002 [2021-04-29 00:22:24,088 INFO L158 LiptonReduction]: Checked pairs total: 990 [2021-04-29 00:22:24,088 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:24,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 766 [2021-04-29 00:22:24,090 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 94 flow [2021-04-29 00:22:24,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 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 00:22:24,091 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:24,091 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:24,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 00:22:24,092 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:24,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:24,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1751841681, now seen corresponding path program 1 times [2021-04-29 00:22:24,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:24,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71352241] [2021-04-29 00:22:24,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:24,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:24,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:24,265 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 00:22:24,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71352241] [2021-04-29 00:22:24,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:24,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:22:24,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240857505] [2021-04-29 00:22:24,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:22:24,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:24,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:22:24,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:22:24,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 320 [2021-04-29 00:22:24,278 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:24,278 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:24,278 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 320 [2021-04-29 00:22:24,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:24,322 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-04-29 00:22:24,322 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:22:24,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 147 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:22:24,323 INFO L132 encePairwiseOnDemand]: 317/320 looper letters, 1 selfloop transitions, 2 changer transitions 12/42 dead transitions. [2021-04-29 00:22:24,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 42 transitions, 100 flow [2021-04-29 00:22:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:22:24,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:22:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2021-04-29 00:22:24,330 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6822916666666666 [2021-04-29 00:22:24,330 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 655 transitions. [2021-04-29 00:22:24,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 655 transitions. [2021-04-29 00:22:24,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:24,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 655 transitions. [2021-04-29 00:22:24,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 0 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 00:22:24,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 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 00:22:24,338 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 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 00:22:24,338 INFO L185 Difference]: Start difference. First operand has 51 places, 42 transitions, 94 flow. Second operand 3 states and 655 transitions. [2021-04-29 00:22:24,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 42 transitions, 100 flow [2021-04-29 00:22:24,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 42 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:22:24,340 INFO L241 Difference]: Finished difference. Result has 52 places, 30 transitions, 74 flow [2021-04-29 00:22:24,341 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=52, PETRI_TRANSITIONS=30} [2021-04-29 00:22:24,342 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -76 predicate places. [2021-04-29 00:22:24,342 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:24,343 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 30 transitions, 74 flow [2021-04-29 00:22:24,344 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 30 transitions, 74 flow [2021-04-29 00:22:24,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 74 flow [2021-04-29 00:22:24,361 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-04-29 00:22:24,361 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:22:24,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 75 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:22:24,362 INFO L146 LiptonReduction]: Number of co-enabled transitions 498 [2021-04-29 00:22:24,785 INFO L158 LiptonReduction]: Checked pairs total: 629 [2021-04-29 00:22:24,785 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:24,786 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 444 [2021-04-29 00:22:24,789 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 74 flow [2021-04-29 00:22:24,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:24,790 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:24,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:24,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 00:22:24,791 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:24,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:24,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1777254148, now seen corresponding path program 1 times [2021-04-29 00:22:24,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:24,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455282984] [2021-04-29 00:22:24,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:25,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:25,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:25,115 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 00:22:25,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455282984] [2021-04-29 00:22:25,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:25,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:22:25,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315880612] [2021-04-29 00:22:25,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:22:25,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:25,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:22:25,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:22:25,120 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 320 [2021-04-29 00:22:25,122 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 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 00:22:25,122 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:25,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 320 [2021-04-29 00:22:25,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:25,153 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-04-29 00:22:25,153 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 00:22:25,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 30 events. 0/30 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 73 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:22:25,153 INFO L132 encePairwiseOnDemand]: 317/320 looper letters, 1 selfloop transitions, 2 changer transitions 1/30 dead transitions. [2021-04-29 00:22:25,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 30 transitions, 80 flow [2021-04-29 00:22:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:22:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:22:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 661 transitions. [2021-04-29 00:22:25,162 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6885416666666667 [2021-04-29 00:22:25,163 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 661 transitions. [2021-04-29 00:22:25,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 661 transitions. [2021-04-29 00:22:25,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:25,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 661 transitions. [2021-04-29 00:22:25,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 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 00:22:25,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 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 00:22:25,171 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 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 00:22:25,171 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 74 flow. Second operand 3 states and 661 transitions. [2021-04-29 00:22:25,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 30 transitions, 80 flow [2021-04-29 00:22:25,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 30 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:22:25,175 INFO L241 Difference]: Finished difference. Result has 41 places, 29 transitions, 76 flow [2021-04-29 00:22:25,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=41, PETRI_TRANSITIONS=29} [2021-04-29 00:22:25,175 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -87 predicate places. [2021-04-29 00:22:25,176 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:25,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 29 transitions, 76 flow [2021-04-29 00:22:25,181 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 29 transitions, 76 flow [2021-04-29 00:22:25,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 76 flow [2021-04-29 00:22:25,193 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-29 00:22:25,194 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 00:22:25,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 29 events. 0/29 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 71 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:22:25,195 INFO L146 LiptonReduction]: Number of co-enabled transitions 462 [2021-04-29 00:22:25,284 INFO L158 LiptonReduction]: Checked pairs total: 572 [2021-04-29 00:22:25,284 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:25,285 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109 [2021-04-29 00:22:25,287 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 76 flow [2021-04-29 00:22:25,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 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 00:22:25,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:25,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:25,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 00:22:25,289 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:25,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:25,289 INFO L82 PathProgramCache]: Analyzing trace with hash -613379474, now seen corresponding path program 1 times [2021-04-29 00:22:25,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:25,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317734075] [2021-04-29 00:22:25,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:25,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:25,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:25,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:25,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:25,446 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 00:22:25,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317734075] [2021-04-29 00:22:25,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:25,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:22:25,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146866858] [2021-04-29 00:22:25,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:22:25,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:25,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:22:25,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:22:25,452 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 320 [2021-04-29 00:22:25,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 212.75) internal successors, (851), 4 states have internal predecessors, (851), 0 states have call successors, (0), 0 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 00:22:25,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:25,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 320 [2021-04-29 00:22:25,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:25,520 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-04-29 00:22:25,520 INFO L130 PetriNetUnfolder]: For 9/11 co-relation queries the response was YES. [2021-04-29 00:22:25,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 40 events. 0/40 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 114 event pairs, 0 based on Foata normal form. 3/32 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-29 00:22:25,521 INFO L132 encePairwiseOnDemand]: 316/320 looper letters, 1 selfloop transitions, 3 changer transitions 2/30 dead transitions. [2021-04-29 00:22:25,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 30 transitions, 91 flow [2021-04-29 00:22:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:22:25,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:22:25,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 855 transitions. [2021-04-29 00:22:25,535 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.66796875 [2021-04-29 00:22:25,536 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 855 transitions. [2021-04-29 00:22:25,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 855 transitions. [2021-04-29 00:22:25,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:25,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 855 transitions. [2021-04-29 00:22:25,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 213.75) internal successors, (855), 4 states have internal predecessors, (855), 0 states have call successors, (0), 0 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 00:22:25,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 0 states have call successors, (0), 0 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 00:22:25,548 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 0 states have call successors, (0), 0 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 00:22:25,548 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 76 flow. Second operand 4 states and 855 transitions. [2021-04-29 00:22:25,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 30 transitions, 91 flow [2021-04-29 00:22:25,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 30 transitions, 85 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:22:25,552 INFO L241 Difference]: Finished difference. Result has 43 places, 28 transitions, 84 flow [2021-04-29 00:22:25,552 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=84, PETRI_PLACES=43, PETRI_TRANSITIONS=28} [2021-04-29 00:22:25,553 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -85 predicate places. [2021-04-29 00:22:25,553 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:25,553 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 28 transitions, 84 flow [2021-04-29 00:22:25,554 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 28 transitions, 84 flow [2021-04-29 00:22:25,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 28 transitions, 84 flow [2021-04-29 00:22:25,563 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-04-29 00:22:25,563 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 00:22:25,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 28 events. 0/28 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 64 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:22:25,564 INFO L146 LiptonReduction]: Number of co-enabled transitions 398 [2021-04-29 00:22:25,698 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:25,830 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:25,956 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 00:22:26,067 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 00:22:26,124 INFO L158 LiptonReduction]: Checked pairs total: 948 [2021-04-29 00:22:26,124 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:22:26,124 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 571 [2021-04-29 00:22:26,126 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 28 transitions, 84 flow [2021-04-29 00:22:26,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 212.75) internal successors, (851), 4 states have internal predecessors, (851), 0 states have call successors, (0), 0 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 00:22:26,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:26,128 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:26,128 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 00:22:26,128 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:26,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:26,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1589247366, now seen corresponding path program 1 times [2021-04-29 00:22:26,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:26,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520311363] [2021-04-29 00:22:26,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:26,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:26,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:22:26,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:26,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:22:26,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:26,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:22:26,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:26,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:22:26,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:26,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 00:22:26,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:26,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:22:26,773 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 00:22:26,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520311363] [2021-04-29 00:22:26,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:26,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 00:22:26,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62322705] [2021-04-29 00:22:26,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 00:22:26,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:26,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 00:22:26,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-04-29 00:22:26,778 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 321 [2021-04-29 00:22:26,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 28 transitions, 84 flow. Second operand has 8 states, 8 states have (on average 163.875) internal successors, (1311), 8 states have internal predecessors, (1311), 0 states have call successors, (0), 0 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 00:22:26,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:26,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 321 [2021-04-29 00:22:26,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:27,569 INFO L129 PetriNetUnfolder]: 151/375 cut-off events. [2021-04-29 00:22:27,570 INFO L130 PetriNetUnfolder]: For 161/161 co-relation queries the response was YES. [2021-04-29 00:22:27,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 750 conditions, 375 events. 151/375 cut-off events. For 161/161 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2120 event pairs, 9 based on Foata normal form. 2/288 useless extension candidates. Maximal degree in co-relation 737. Up to 206 conditions per place. [2021-04-29 00:22:27,574 INFO L132 encePairwiseOnDemand]: 310/321 looper letters, 15 selfloop transitions, 11 changer transitions 2/44 dead transitions. [2021-04-29 00:22:27,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 44 transitions, 178 flow [2021-04-29 00:22:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:22:27,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:22:27,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 844 transitions. [2021-04-29 00:22:27,585 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5258566978193147 [2021-04-29 00:22:27,585 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 844 transitions. [2021-04-29 00:22:27,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 844 transitions. [2021-04-29 00:22:27,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:27,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 844 transitions. [2021-04-29 00:22:27,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 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 00:22:27,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 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 00:22:27,598 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 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 00:22:27,598 INFO L185 Difference]: Start difference. First operand has 42 places, 28 transitions, 84 flow. Second operand 5 states and 844 transitions. [2021-04-29 00:22:27,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 44 transitions, 178 flow [2021-04-29 00:22:27,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 44 transitions, 163 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-29 00:22:27,602 INFO L241 Difference]: Finished difference. Result has 45 places, 36 transitions, 146 flow [2021-04-29 00:22:27,603 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=146, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2021-04-29 00:22:27,603 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -83 predicate places. [2021-04-29 00:22:27,603 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:27,603 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 36 transitions, 146 flow [2021-04-29 00:22:27,604 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 36 transitions, 146 flow [2021-04-29 00:22:27,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 36 transitions, 146 flow [2021-04-29 00:22:27,668 INFO L129 PetriNetUnfolder]: 60/219 cut-off events. [2021-04-29 00:22:27,668 INFO L130 PetriNetUnfolder]: For 36/38 co-relation queries the response was YES. [2021-04-29 00:22:27,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 219 events. 60/219 cut-off events. For 36/38 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1255 event pairs, 32 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 434. Up to 102 conditions per place. [2021-04-29 00:22:27,673 INFO L146 LiptonReduction]: Number of co-enabled transitions 424 [2021-04-29 00:22:27,755 INFO L158 LiptonReduction]: Checked pairs total: 136 [2021-04-29 00:22:27,755 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:27,756 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 153 [2021-04-29 00:22:27,757 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 36 transitions, 146 flow [2021-04-29 00:22:27,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 163.875) internal successors, (1311), 8 states have internal predecessors, (1311), 0 states have call successors, (0), 0 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 00:22:27,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:27,759 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:27,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 00:22:27,759 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:27,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:27,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1337155606, now seen corresponding path program 1 times [2021-04-29 00:22:27,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:27,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521123546] [2021-04-29 00:22:27,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:27,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:27,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:22:28,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:28,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:22:28,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:28,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:22:28,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:28,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:22:28,143 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 00:22:28,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521123546] [2021-04-29 00:22:28,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:28,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:22:28,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716999363] [2021-04-29 00:22:28,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:22:28,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:28,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:22:28,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:22:28,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 321 [2021-04-29 00:22:28,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 36 transitions, 146 flow. Second operand has 5 states, 5 states have (on average 165.4) internal successors, (827), 5 states have internal predecessors, (827), 0 states have call successors, (0), 0 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 00:22:28,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:28,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 321 [2021-04-29 00:22:28,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:28,748 INFO L129 PetriNetUnfolder]: 148/354 cut-off events. [2021-04-29 00:22:28,748 INFO L130 PetriNetUnfolder]: For 205/294 co-relation queries the response was YES. [2021-04-29 00:22:28,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 940 conditions, 354 events. 148/354 cut-off events. For 205/294 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1915 event pairs, 31 based on Foata normal form. 13/293 useless extension candidates. Maximal degree in co-relation 926. Up to 208 conditions per place. [2021-04-29 00:22:28,756 INFO L132 encePairwiseOnDemand]: 312/321 looper letters, 20 selfloop transitions, 14 changer transitions 0/50 dead transitions. [2021-04-29 00:22:28,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 50 transitions, 276 flow [2021-04-29 00:22:28,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:22:28,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:22:28,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1009 transitions. [2021-04-29 00:22:28,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5238836967808931 [2021-04-29 00:22:28,765 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1009 transitions. [2021-04-29 00:22:28,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1009 transitions. [2021-04-29 00:22:28,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:28,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1009 transitions. [2021-04-29 00:22:28,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.16666666666666) internal successors, (1009), 6 states have internal predecessors, (1009), 0 states have call successors, (0), 0 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 00:22:28,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 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 00:22:28,776 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 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 00:22:28,776 INFO L185 Difference]: Start difference. First operand has 44 places, 36 transitions, 146 flow. Second operand 6 states and 1009 transitions. [2021-04-29 00:22:28,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 50 transitions, 276 flow [2021-04-29 00:22:28,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 50 transitions, 268 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:22:28,779 INFO L241 Difference]: Finished difference. Result has 50 places, 45 transitions, 245 flow [2021-04-29 00:22:28,779 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=245, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2021-04-29 00:22:28,780 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -78 predicate places. [2021-04-29 00:22:28,780 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:28,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 45 transitions, 245 flow [2021-04-29 00:22:28,780 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 45 transitions, 245 flow [2021-04-29 00:22:28,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 45 transitions, 245 flow [2021-04-29 00:22:28,867 INFO L129 PetriNetUnfolder]: 104/300 cut-off events. [2021-04-29 00:22:28,867 INFO L130 PetriNetUnfolder]: For 248/332 co-relation queries the response was YES. [2021-04-29 00:22:28,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 780 conditions, 300 events. 104/300 cut-off events. For 248/332 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1729 event pairs, 24 based on Foata normal form. 1/227 useless extension candidates. Maximal degree in co-relation 765. Up to 143 conditions per place. [2021-04-29 00:22:28,874 INFO L146 LiptonReduction]: Number of co-enabled transitions 504 [2021-04-29 00:22:28,878 INFO L158 LiptonReduction]: Checked pairs total: 70 [2021-04-29 00:22:28,878 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:28,879 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 99 [2021-04-29 00:22:28,880 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 245 flow [2021-04-29 00:22:28,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 165.4) internal successors, (827), 5 states have internal predecessors, (827), 0 states have call successors, (0), 0 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 00:22:28,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:28,881 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:28,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 00:22:28,882 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:28,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:28,882 INFO L82 PathProgramCache]: Analyzing trace with hash 897671166, now seen corresponding path program 1 times [2021-04-29 00:22:28,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:28,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813225364] [2021-04-29 00:22:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:29,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:29,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:29,034 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:22:29,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:22:29,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:29,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:22:29,080 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 00:22:29,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813225364] [2021-04-29 00:22:29,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:29,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:22:29,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484261408] [2021-04-29 00:22:29,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:22:29,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:29,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:22:29,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:22:29,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 321 [2021-04-29 00:22:29,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 245 flow. Second operand has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 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 00:22:29,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:29,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 321 [2021-04-29 00:22:29,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:29,673 INFO L129 PetriNetUnfolder]: 1020/1860 cut-off events. [2021-04-29 00:22:29,673 INFO L130 PetriNetUnfolder]: For 1200/1391 co-relation queries the response was YES. [2021-04-29 00:22:29,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4511 conditions, 1860 events. 1020/1860 cut-off events. For 1200/1391 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 13408 event pairs, 476 based on Foata normal form. 180/1101 useless extension candidates. Maximal degree in co-relation 4494. Up to 1243 conditions per place. [2021-04-29 00:22:29,697 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 20 selfloop transitions, 20 changer transitions 0/72 dead transitions. [2021-04-29 00:22:29,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 72 transitions, 375 flow [2021-04-29 00:22:29,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:22:29,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:22:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1212 transitions. [2021-04-29 00:22:29,705 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7551401869158878 [2021-04-29 00:22:29,705 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1212 transitions. [2021-04-29 00:22:29,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1212 transitions. [2021-04-29 00:22:29,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:29,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1212 transitions. [2021-04-29 00:22:29,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 242.4) internal successors, (1212), 5 states have internal predecessors, (1212), 0 states have call successors, (0), 0 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 00:22:29,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 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 00:22:29,715 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 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 00:22:29,715 INFO L185 Difference]: Start difference. First operand has 50 places, 45 transitions, 245 flow. Second operand 5 states and 1212 transitions. [2021-04-29 00:22:29,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 72 transitions, 375 flow [2021-04-29 00:22:29,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 72 transitions, 372 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-29 00:22:29,724 INFO L241 Difference]: Finished difference. Result has 56 places, 63 transitions, 386 flow [2021-04-29 00:22:29,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=386, PETRI_PLACES=56, PETRI_TRANSITIONS=63} [2021-04-29 00:22:29,724 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -72 predicate places. [2021-04-29 00:22:29,724 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:29,725 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 63 transitions, 386 flow [2021-04-29 00:22:29,725 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 63 transitions, 386 flow [2021-04-29 00:22:29,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 63 transitions, 386 flow [2021-04-29 00:22:30,157 INFO L129 PetriNetUnfolder]: 1034/1924 cut-off events. [2021-04-29 00:22:30,158 INFO L130 PetriNetUnfolder]: For 1752/1942 co-relation queries the response was YES. [2021-04-29 00:22:30,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6086 conditions, 1924 events. 1034/1924 cut-off events. For 1752/1942 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 13899 event pairs, 442 based on Foata normal form. 29/1074 useless extension candidates. Maximal degree in co-relation 6067. Up to 1339 conditions per place. [2021-04-29 00:22:30,210 INFO L146 LiptonReduction]: Number of co-enabled transitions 704 [2021-04-29 00:22:30,217 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:22:30,218 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:30,218 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-04-29 00:22:30,219 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 63 transitions, 386 flow [2021-04-29 00:22:30,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 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 00:22:30,220 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:30,220 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:30,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 00:22:30,221 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:30,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:30,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1147951660, now seen corresponding path program 1 times [2021-04-29 00:22:30,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:30,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283088681] [2021-04-29 00:22:30,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:30,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:30,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:30,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:30,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:30,430 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:22:30,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:22:30,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:30,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:22:30,473 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 00:22:30,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283088681] [2021-04-29 00:22:30,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:30,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:22:30,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477554963] [2021-04-29 00:22:30,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:22:30,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:30,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:22:30,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:22:30,478 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 321 [2021-04-29 00:22:30,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 63 transitions, 386 flow. Second operand has 5 states, 5 states have (on average 234.8) internal successors, (1174), 5 states have internal predecessors, (1174), 0 states have call successors, (0), 0 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 00:22:30,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:30,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 321 [2021-04-29 00:22:30,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:31,095 INFO L129 PetriNetUnfolder]: 654/1455 cut-off events. [2021-04-29 00:22:31,095 INFO L130 PetriNetUnfolder]: For 1892/4583 co-relation queries the response was YES. [2021-04-29 00:22:31,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5740 conditions, 1455 events. 654/1455 cut-off events. For 1892/4583 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 11549 event pairs, 113 based on Foata normal form. 252/973 useless extension candidates. Maximal degree in co-relation 5719. Up to 1073 conditions per place. [2021-04-29 00:22:31,120 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 11 selfloop transitions, 39 changer transitions 9/91 dead transitions. [2021-04-29 00:22:31,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 91 transitions, 670 flow [2021-04-29 00:22:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:22:31,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:22:31,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1699 transitions. [2021-04-29 00:22:31,134 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7561192701379618 [2021-04-29 00:22:31,134 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1699 transitions. [2021-04-29 00:22:31,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1699 transitions. [2021-04-29 00:22:31,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:31,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1699 transitions. [2021-04-29 00:22:31,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 242.71428571428572) internal successors, (1699), 7 states have internal predecessors, (1699), 0 states have call successors, (0), 0 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 00:22:31,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 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 00:22:31,159 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 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 00:22:31,159 INFO L185 Difference]: Start difference. First operand has 56 places, 63 transitions, 386 flow. Second operand 7 states and 1699 transitions. [2021-04-29 00:22:31,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 91 transitions, 670 flow [2021-04-29 00:22:31,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 91 transitions, 660 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:22:31,184 INFO L241 Difference]: Finished difference. Result has 64 places, 82 transitions, 637 flow [2021-04-29 00:22:31,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=637, PETRI_PLACES=64, PETRI_TRANSITIONS=82} [2021-04-29 00:22:31,185 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -64 predicate places. [2021-04-29 00:22:31,185 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:31,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 82 transitions, 637 flow [2021-04-29 00:22:31,186 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 82 transitions, 637 flow [2021-04-29 00:22:31,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 82 transitions, 637 flow [2021-04-29 00:22:31,550 INFO L129 PetriNetUnfolder]: 568/1376 cut-off events. [2021-04-29 00:22:31,551 INFO L130 PetriNetUnfolder]: For 2676/2913 co-relation queries the response was YES. [2021-04-29 00:22:31,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6011 conditions, 1376 events. 568/1376 cut-off events. For 2676/2913 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 11578 event pairs, 94 based on Foata normal form. 12/771 useless extension candidates. Maximal degree in co-relation 5988. Up to 986 conditions per place. [2021-04-29 00:22:31,584 INFO L146 LiptonReduction]: Number of co-enabled transitions 818 [2021-04-29 00:22:31,592 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:22:31,592 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:31,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 407 [2021-04-29 00:22:31,594 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 82 transitions, 637 flow [2021-04-29 00:22:31,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 234.8) internal successors, (1174), 5 states have internal predecessors, (1174), 0 states have call successors, (0), 0 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 00:22:31,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:31,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:31,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 00:22:31,595 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:31,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:31,596 INFO L82 PathProgramCache]: Analyzing trace with hash 272969776, now seen corresponding path program 1 times [2021-04-29 00:22:31,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:31,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825202259] [2021-04-29 00:22:31,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:31,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:31,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:31,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:31,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:31,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:31,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:31,827 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:22:31,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:22:31,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:31,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:22:31,879 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 00:22:31,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825202259] [2021-04-29 00:22:31,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:31,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:22:31,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782929086] [2021-04-29 00:22:31,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:22:31,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:31,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:22:31,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:22:31,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 321 [2021-04-29 00:22:31,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 82 transitions, 637 flow. Second operand has 6 states, 6 states have (on average 234.83333333333334) internal successors, (1409), 6 states have internal predecessors, (1409), 0 states have call successors, (0), 0 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 00:22:31,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:31,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 321 [2021-04-29 00:22:31,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:32,724 INFO L129 PetriNetUnfolder]: 366/1005 cut-off events. [2021-04-29 00:22:32,725 INFO L130 PetriNetUnfolder]: For 2784/5976 co-relation queries the response was YES. [2021-04-29 00:22:32,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5205 conditions, 1005 events. 366/1005 cut-off events. For 2784/5976 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 8150 event pairs, 5 based on Foata normal form. 195/672 useless extension candidates. Maximal degree in co-relation 5180. Up to 803 conditions per place. [2021-04-29 00:22:32,742 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 2 selfloop transitions, 49 changer transitions 9/92 dead transitions. [2021-04-29 00:22:32,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 92 transitions, 835 flow [2021-04-29 00:22:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:22:32,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:22:32,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2168 transitions. [2021-04-29 00:22:32,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7504326756663205 [2021-04-29 00:22:32,757 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2168 transitions. [2021-04-29 00:22:32,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2168 transitions. [2021-04-29 00:22:32,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:32,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2168 transitions. [2021-04-29 00:22:32,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 240.88888888888889) internal successors, (2168), 9 states have internal predecessors, (2168), 0 states have call successors, (0), 0 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 00:22:32,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 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 00:22:32,778 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 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 00:22:32,778 INFO L185 Difference]: Start difference. First operand has 64 places, 82 transitions, 637 flow. Second operand 9 states and 2168 transitions. [2021-04-29 00:22:32,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 92 transitions, 835 flow [2021-04-29 00:22:32,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 92 transitions, 726 flow, removed 41 selfloop flow, removed 4 redundant places. [2021-04-29 00:22:32,857 INFO L241 Difference]: Finished difference. Result has 71 places, 83 transitions, 667 flow [2021-04-29 00:22:32,858 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=667, PETRI_PLACES=71, PETRI_TRANSITIONS=83} [2021-04-29 00:22:32,858 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -57 predicate places. [2021-04-29 00:22:32,858 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:32,859 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 83 transitions, 667 flow [2021-04-29 00:22:32,859 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 83 transitions, 667 flow [2021-04-29 00:22:32,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 83 transitions, 667 flow [2021-04-29 00:22:33,026 INFO L129 PetriNetUnfolder]: 340/1004 cut-off events. [2021-04-29 00:22:33,027 INFO L130 PetriNetUnfolder]: For 1727/1814 co-relation queries the response was YES. [2021-04-29 00:22:33,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4279 conditions, 1004 events. 340/1004 cut-off events. For 1727/1814 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 8875 event pairs, 11 based on Foata normal form. 5/533 useless extension candidates. Maximal degree in co-relation 4254. Up to 405 conditions per place. [2021-04-29 00:22:33,052 INFO L146 LiptonReduction]: Number of co-enabled transitions 784 [2021-04-29 00:22:36,843 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:22:38,403 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:22:44,721 WARN L205 SmtUtils]: Spent 6.31 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:22:47,601 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:22:51,200 WARN L205 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:22:52,889 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:22:59,829 WARN L205 SmtUtils]: Spent 6.93 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:23:02,971 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:23:06,735 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:23:08,494 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:23:15,701 WARN L205 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:23:19,204 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:23:23,188 WARN L205 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:23:24,984 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:23:32,636 WARN L205 SmtUtils]: Spent 7.65 s on a formula simplification. DAG size of input: 302 DAG size of output: 257 [2021-04-29 00:23:36,195 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification that was a NOOP. DAG size: 254 [2021-04-29 00:23:36,509 INFO L158 LiptonReduction]: Checked pairs total: 160 [2021-04-29 00:23:36,509 INFO L160 LiptonReduction]: Total number of compositions: 4 [2021-04-29 00:23:36,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63652 [2021-04-29 00:23:36,511 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 83 transitions, 671 flow [2021-04-29 00:23:36,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 234.83333333333334) internal successors, (1409), 6 states have internal predecessors, (1409), 0 states have call successors, (0), 0 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 00:23:36,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:23:36,513 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, 1] [2021-04-29 00:23:36,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 00:23:36,514 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:23:36,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:23:36,514 INFO L82 PathProgramCache]: Analyzing trace with hash -342221098, now seen corresponding path program 1 times [2021-04-29 00:23:36,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:23:36,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439022361] [2021-04-29 00:23:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:23:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:23:36,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:23:36,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:23:36,809 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 00:23:36,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 00:23:36,902 INFO L142 QuantifierPusher]: treesize reduction 26, result has 65.3 percent of original size [2021-04-29 00:23:36,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 00:23:37,085 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2021-04-29 00:23:37,091 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-04-29 00:23:37,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 00:23:37,247 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2021-04-29 00:23:37,255 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.5 percent of original size [2021-04-29 00:23:37,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-29 00:23:37,422 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 20 [2021-04-29 00:23:37,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:23:37,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 00:23:37,655 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 17 [2021-04-29 00:23:37,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:23:37,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 00:23:37,855 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2021-04-29 00:23:37,857 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 00:23:37,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439022361] [2021-04-29 00:23:37,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:23:37,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:23:37,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101132442] [2021-04-29 00:23:37,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:23:37,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:23:37,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:23:37,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:23:37,862 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 325 [2021-04-29 00:23:37,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 83 transitions, 671 flow. Second operand has 9 states, 9 states have (on average 163.22222222222223) internal successors, (1469), 9 states have internal predecessors, (1469), 0 states have call successors, (0), 0 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 00:23:37,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:23:37,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 325 [2021-04-29 00:23:37,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:23:38,060 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 19 [2021-04-29 00:23:38,720 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2021-04-29 00:23:39,013 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 20 [2021-04-29 00:23:39,580 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2021-04-29 00:23:39,970 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 21 [2021-04-29 00:23:41,128 INFO L129 PetriNetUnfolder]: 1171/3196 cut-off events. [2021-04-29 00:23:41,128 INFO L130 PetriNetUnfolder]: For 10193/11173 co-relation queries the response was YES. [2021-04-29 00:23:41,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14585 conditions, 3196 events. 1171/3196 cut-off events. For 10193/11173 co-relation queries the response was YES. Maximal size of possible extension queue 813. Compared 34644 event pairs, 2 based on Foata normal form. 142/1686 useless extension candidates. Maximal degree in co-relation 14558. Up to 1350 conditions per place. [2021-04-29 00:23:41,175 INFO L132 encePairwiseOnDemand]: 314/325 looper letters, 28 selfloop transitions, 26 changer transitions 7/116 dead transitions. [2021-04-29 00:23:41,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 116 transitions, 1034 flow [2021-04-29 00:23:41,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 00:23:41,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 00:23:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1668 transitions. [2021-04-29 00:23:41,192 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5132307692307693 [2021-04-29 00:23:41,192 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1668 transitions. [2021-04-29 00:23:41,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1668 transitions. [2021-04-29 00:23:41,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:23:41,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1668 transitions. [2021-04-29 00:23:41,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 166.8) internal successors, (1668), 10 states have internal predecessors, (1668), 0 states have call successors, (0), 0 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 00:23:41,210 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 00:23:41,212 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 00:23:41,213 INFO L185 Difference]: Start difference. First operand has 70 places, 83 transitions, 671 flow. Second operand 10 states and 1668 transitions. [2021-04-29 00:23:41,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 116 transitions, 1034 flow [2021-04-29 00:23:41,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 116 transitions, 868 flow, removed 39 selfloop flow, removed 8 redundant places. [2021-04-29 00:23:41,552 INFO L241 Difference]: Finished difference. Result has 77 places, 100 transitions, 755 flow [2021-04-29 00:23:41,553 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=755, PETRI_PLACES=77, PETRI_TRANSITIONS=100} [2021-04-29 00:23:41,553 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -51 predicate places. [2021-04-29 00:23:41,553 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:23:41,553 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 100 transitions, 755 flow [2021-04-29 00:23:41,554 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 100 transitions, 755 flow [2021-04-29 00:23:41,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 100 transitions, 755 flow [2021-04-29 00:23:42,047 INFO L129 PetriNetUnfolder]: 1161/3145 cut-off events. [2021-04-29 00:23:42,048 INFO L130 PetriNetUnfolder]: For 4085/4185 co-relation queries the response was YES. [2021-04-29 00:23:42,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11102 conditions, 3145 events. 1161/3145 cut-off events. For 4085/4185 co-relation queries the response was YES. Maximal size of possible extension queue 773. Compared 33897 event pairs, 10 based on Foata normal form. 10/1476 useless extension candidates. Maximal degree in co-relation 11074. Up to 1350 conditions per place. [2021-04-29 00:23:42,131 INFO L146 LiptonReduction]: Number of co-enabled transitions 1534 [2021-04-29 00:23:42,143 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:23:42,143 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:23:42,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 591 [2021-04-29 00:23:42,145 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 100 transitions, 755 flow [2021-04-29 00:23:42,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 163.22222222222223) internal successors, (1469), 9 states have internal predecessors, (1469), 0 states have call successors, (0), 0 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 00:23:42,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:23:42,147 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 00:23:42,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 00:23:42,147 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:23:42,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:23:42,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1325904793, now seen corresponding path program 1 times [2021-04-29 00:23:42,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:23:42,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094740941] [2021-04-29 00:23:42,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:23:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:23:42,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:23:42,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:23:42,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:23:42,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 00:23:42,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:23:42,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:23:42,605 INFO L142 QuantifierPusher]: treesize reduction 21, result has 80.7 percent of original size [2021-04-29 00:23:42,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-04-29 00:23:42,912 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2021-04-29 00:23:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:23:42,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 00:23:43,002 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-04-29 00:23:43,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 00:23:43,112 INFO L142 QuantifierPusher]: treesize reduction 3, result has 72.7 percent of original size [2021-04-29 00:23:43,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 00:23:43,175 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 00:23:43,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094740941] [2021-04-29 00:23:43,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:23:43,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:23:43,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817247579] [2021-04-29 00:23:43,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:23:43,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:23:43,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:23:43,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:23:43,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 325 [2021-04-29 00:23:43,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 100 transitions, 755 flow. Second operand has 9 states, 9 states have (on average 157.22222222222223) internal successors, (1415), 9 states have internal predecessors, (1415), 0 states have call successors, (0), 0 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 00:23:43,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:23:43,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 325 [2021-04-29 00:23:43,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:23:43,497 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2021-04-29 00:23:43,832 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-04-29 00:23:45,677 INFO L129 PetriNetUnfolder]: 1520/3988 cut-off events. [2021-04-29 00:23:45,677 INFO L130 PetriNetUnfolder]: For 8689/9068 co-relation queries the response was YES. [2021-04-29 00:23:45,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14469 conditions, 3988 events. 1520/3988 cut-off events. For 8689/9068 co-relation queries the response was YES. Maximal size of possible extension queue 1107. Compared 44322 event pairs, 2 based on Foata normal form. 154/1977 useless extension candidates. Maximal degree in co-relation 14439. Up to 1710 conditions per place. [2021-04-29 00:23:45,753 INFO L132 encePairwiseOnDemand]: 315/325 looper letters, 30 selfloop transitions, 21 changer transitions 9/115 dead transitions. [2021-04-29 00:23:45,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 115 transitions, 1019 flow [2021-04-29 00:23:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 00:23:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 00:23:45,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1286 transitions. [2021-04-29 00:23:45,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4946153846153846 [2021-04-29 00:23:45,767 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1286 transitions. [2021-04-29 00:23:45,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1286 transitions. [2021-04-29 00:23:45,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:23:45,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1286 transitions. [2021-04-29 00:23:45,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 160.75) internal successors, (1286), 8 states have internal predecessors, (1286), 0 states have call successors, (0), 0 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 00:23:45,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 325.0) internal successors, (2925), 9 states have internal predecessors, (2925), 0 states have call successors, (0), 0 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 00:23:45,780 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 325.0) internal successors, (2925), 9 states have internal predecessors, (2925), 0 states have call successors, (0), 0 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 00:23:45,780 INFO L185 Difference]: Start difference. First operand has 77 places, 100 transitions, 755 flow. Second operand 8 states and 1286 transitions. [2021-04-29 00:23:45,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 115 transitions, 1019 flow [2021-04-29 00:23:46,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 115 transitions, 962 flow, removed 22 selfloop flow, removed 4 redundant places. [2021-04-29 00:23:46,285 INFO L241 Difference]: Finished difference. Result has 82 places, 102 transitions, 792 flow [2021-04-29 00:23:46,285 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=792, PETRI_PLACES=82, PETRI_TRANSITIONS=102} [2021-04-29 00:23:46,285 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -46 predicate places. [2021-04-29 00:23:46,285 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:23:46,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 102 transitions, 792 flow [2021-04-29 00:23:46,286 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 102 transitions, 792 flow [2021-04-29 00:23:46,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 102 transitions, 792 flow [2021-04-29 00:23:46,577 INFO L129 PetriNetUnfolder]: 780/2152 cut-off events. [2021-04-29 00:23:46,577 INFO L130 PetriNetUnfolder]: For 2366/2450 co-relation queries the response was YES. [2021-04-29 00:23:46,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7693 conditions, 2152 events. 780/2152 cut-off events. For 2366/2450 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 22089 event pairs, 13 based on Foata normal form. 11/1018 useless extension candidates. Maximal degree in co-relation 7665. Up to 990 conditions per place. [2021-04-29 00:23:46,682 INFO L146 LiptonReduction]: Number of co-enabled transitions 1446 [2021-04-29 00:23:48,017 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-04-29 00:23:48,467 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:23:50,810 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 112 DAG size of output: 93 [2021-04-29 00:23:51,762 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:23:51,787 INFO L158 LiptonReduction]: Checked pairs total: 5 [2021-04-29 00:23:51,787 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:23:51,787 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5502 [2021-04-29 00:23:51,789 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 103 transitions, 806 flow [2021-04-29 00:23:51,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 157.22222222222223) internal successors, (1415), 9 states have internal predecessors, (1415), 0 states have call successors, (0), 0 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 00:23:51,790 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:23:51,790 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 00:23:51,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 00:23:51,790 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:23:51,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:23:51,791 INFO L82 PathProgramCache]: Analyzing trace with hash -863238164, now seen corresponding path program 1 times [2021-04-29 00:23:51,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:23:51,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705597135] [2021-04-29 00:23:51,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:23:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:23:51,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:23:51,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:23:51,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:23:52,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:23:52,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:23:52,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 00:23:52,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:23:52,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:23:52,149 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-04-29 00:23:52,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:23:52,186 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 00:23:52,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705597135] [2021-04-29 00:23:52,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:23:52,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:23:52,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598861465] [2021-04-29 00:23:52,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:23:52,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:23:52,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:23:52,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:23:52,191 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 326 [2021-04-29 00:23:52,193 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 103 transitions, 806 flow. Second operand has 7 states, 7 states have (on average 166.57142857142858) internal successors, (1166), 7 states have internal predecessors, (1166), 0 states have call successors, (0), 0 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 00:23:52,193 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:23:52,193 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 326 [2021-04-29 00:23:52,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:23:53,833 INFO L129 PetriNetUnfolder]: 964/2659 cut-off events. [2021-04-29 00:23:53,833 INFO L130 PetriNetUnfolder]: For 6406/6952 co-relation queries the response was YES. [2021-04-29 00:23:53,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9800 conditions, 2659 events. 964/2659 cut-off events. For 6406/6952 co-relation queries the response was YES. Maximal size of possible extension queue 860. Compared 28603 event pairs, 12 based on Foata normal form. 128/1345 useless extension candidates. Maximal degree in co-relation 9770. Up to 1170 conditions per place. [2021-04-29 00:23:53,877 INFO L132 encePairwiseOnDemand]: 316/326 looper letters, 33 selfloop transitions, 11 changer transitions 23/122 dead transitions. [2021-04-29 00:23:53,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 122 transitions, 1121 flow [2021-04-29 00:23:53,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:23:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:23:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1190 transitions. [2021-04-29 00:23:53,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5214723926380368 [2021-04-29 00:23:53,892 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1190 transitions. [2021-04-29 00:23:53,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1190 transitions. [2021-04-29 00:23:53,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:23:53,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1190 transitions. [2021-04-29 00:23:53,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 0 states have call successors, (0), 0 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 00:23:53,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 326.0) internal successors, (2608), 8 states have internal predecessors, (2608), 0 states have call successors, (0), 0 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 00:23:53,906 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 326.0) internal successors, (2608), 8 states have internal predecessors, (2608), 0 states have call successors, (0), 0 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 00:23:53,906 INFO L185 Difference]: Start difference. First operand has 83 places, 103 transitions, 806 flow. Second operand 7 states and 1190 transitions. [2021-04-29 00:23:53,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 122 transitions, 1121 flow [2021-04-29 00:23:54,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 122 transitions, 1051 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-04-29 00:23:54,314 INFO L241 Difference]: Finished difference. Result has 87 places, 99 transitions, 755 flow [2021-04-29 00:23:54,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=755, PETRI_PLACES=87, PETRI_TRANSITIONS=99} [2021-04-29 00:23:54,315 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -41 predicate places. [2021-04-29 00:23:54,315 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:23:54,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 99 transitions, 755 flow [2021-04-29 00:23:54,316 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 99 transitions, 755 flow [2021-04-29 00:23:54,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 99 transitions, 755 flow [2021-04-29 00:23:54,496 INFO L129 PetriNetUnfolder]: 478/1417 cut-off events. [2021-04-29 00:23:54,496 INFO L130 PetriNetUnfolder]: For 1947/2013 co-relation queries the response was YES. [2021-04-29 00:23:54,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5051 conditions, 1417 events. 478/1417 cut-off events. For 1947/2013 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 13908 event pairs, 12 based on Foata normal form. 7/698 useless extension candidates. Maximal degree in co-relation 5022. Up to 630 conditions per place. [2021-04-29 00:23:54,531 INFO L146 LiptonReduction]: Number of co-enabled transitions 1272 [2021-04-29 00:23:59,215 WARN L205 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 269 DAG size of output: 160 [2021-04-29 00:24:00,511 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 143 [2021-04-29 00:24:12,534 WARN L205 SmtUtils]: Spent 12.02 s on a formula simplification. DAG size of input: 377 DAG size of output: 240 [2021-04-29 00:24:15,393 WARN L205 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 220 [2021-04-29 00:24:15,753 INFO L158 LiptonReduction]: Checked pairs total: 28 [2021-04-29 00:24:15,753 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:24:15,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21439 [2021-04-29 00:24:15,755 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 100 transitions, 764 flow [2021-04-29 00:24:15,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 166.57142857142858) internal successors, (1166), 7 states have internal predecessors, (1166), 0 states have call successors, (0), 0 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 00:24:15,757 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:24:15,757 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 00:24:15,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 00:24:15,757 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:24:15,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:24:15,758 INFO L82 PathProgramCache]: Analyzing trace with hash -771632810, now seen corresponding path program 1 times [2021-04-29 00:24:15,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:24:15,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035994909] [2021-04-29 00:24:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:24:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:24:15,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:15,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:24:16,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:16,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:24:16,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:16,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 00:24:16,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:16,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 00:24:16,491 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2021-04-29 00:24:16,506 INFO L142 QuantifierPusher]: treesize reduction 19, result has 59.6 percent of original size [2021-04-29 00:24:16,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 00:24:16,669 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-04-29 00:24:16,677 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.9 percent of original size [2021-04-29 00:24:16,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 00:24:16,868 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-04-29 00:24:16,874 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-04-29 00:24:16,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 00:24:17,071 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-04-29 00:24:17,076 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.4 percent of original size [2021-04-29 00:24:17,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 00:24:17,377 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2021-04-29 00:24:17,382 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 00:24:17,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035994909] [2021-04-29 00:24:17,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:24:17,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 00:24:17,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027046913] [2021-04-29 00:24:17,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 00:24:17,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:24:17,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 00:24:17,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-04-29 00:24:17,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 327 [2021-04-29 00:24:17,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 100 transitions, 764 flow. Second operand has 10 states, 10 states have (on average 154.0) internal successors, (1540), 10 states have internal predecessors, (1540), 0 states have call successors, (0), 0 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 00:24:17,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:24:17,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 327 [2021-04-29 00:24:17,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:24:17,906 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-04-29 00:24:18,727 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2021-04-29 00:24:19,328 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-04-29 00:24:20,586 INFO L129 PetriNetUnfolder]: 958/2730 cut-off events. [2021-04-29 00:24:20,587 INFO L130 PetriNetUnfolder]: For 6650/7078 co-relation queries the response was YES. [2021-04-29 00:24:20,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9973 conditions, 2730 events. 958/2730 cut-off events. For 6650/7078 co-relation queries the response was YES. Maximal size of possible extension queue 930. Compared 29199 event pairs, 10 based on Foata normal form. 112/1341 useless extension candidates. Maximal degree in co-relation 9942. Up to 1215 conditions per place. [2021-04-29 00:24:20,732 INFO L132 encePairwiseOnDemand]: 315/327 looper letters, 36 selfloop transitions, 32 changer transitions 2/125 dead transitions. [2021-04-29 00:24:20,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 125 transitions, 1127 flow [2021-04-29 00:24:20,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 00:24:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 00:24:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1268 transitions. [2021-04-29 00:24:20,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4847094801223242 [2021-04-29 00:24:20,747 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1268 transitions. [2021-04-29 00:24:20,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1268 transitions. [2021-04-29 00:24:20,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:24:20,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1268 transitions. [2021-04-29 00:24:20,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 158.5) internal successors, (1268), 8 states have internal predecessors, (1268), 0 states have call successors, (0), 0 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 00:24:20,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 327.0) internal successors, (2943), 9 states have internal predecessors, (2943), 0 states have call successors, (0), 0 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 00:24:20,762 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 327.0) internal successors, (2943), 9 states have internal predecessors, (2943), 0 states have call successors, (0), 0 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 00:24:20,762 INFO L185 Difference]: Start difference. First operand has 85 places, 100 transitions, 764 flow. Second operand 8 states and 1268 transitions. [2021-04-29 00:24:20,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 125 transitions, 1127 flow [2021-04-29 00:24:21,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 125 transitions, 1076 flow, removed 12 selfloop flow, removed 7 redundant places. [2021-04-29 00:24:21,026 INFO L241 Difference]: Finished difference. Result has 89 places, 115 transitions, 1002 flow [2021-04-29 00:24:21,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1002, PETRI_PLACES=89, PETRI_TRANSITIONS=115} [2021-04-29 00:24:21,027 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -39 predicate places. [2021-04-29 00:24:21,027 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:24:21,027 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 115 transitions, 1002 flow [2021-04-29 00:24:21,028 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 115 transitions, 1002 flow [2021-04-29 00:24:21,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 115 transitions, 1002 flow [2021-04-29 00:24:21,425 INFO L129 PetriNetUnfolder]: 1005/2854 cut-off events. [2021-04-29 00:24:21,426 INFO L130 PetriNetUnfolder]: For 3832/3922 co-relation queries the response was YES. [2021-04-29 00:24:21,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10233 conditions, 2854 events. 1005/2854 cut-off events. For 3832/3922 co-relation queries the response was YES. Maximal size of possible extension queue 838. Compared 31309 event pairs, 11 based on Foata normal form. 5/1312 useless extension candidates. Maximal degree in co-relation 10204. Up to 1305 conditions per place. [2021-04-29 00:24:21,504 INFO L146 LiptonReduction]: Number of co-enabled transitions 1922 [2021-04-29 00:24:26,699 WARN L205 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 269 DAG size of output: 160 [2021-04-29 00:24:28,309 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 143 [2021-04-29 00:24:37,287 WARN L205 SmtUtils]: Spent 8.97 s on a formula simplification. DAG size of input: 377 DAG size of output: 239 [2021-04-29 00:24:40,192 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 220 [2021-04-29 00:24:40,355 INFO L158 LiptonReduction]: Checked pairs total: 31 [2021-04-29 00:24:40,356 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:24:40,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19329 [2021-04-29 00:24:40,358 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 116 transitions, 1008 flow [2021-04-29 00:24:40,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 154.0) internal successors, (1540), 10 states have internal predecessors, (1540), 0 states have call successors, (0), 0 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 00:24:40,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:24:40,359 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 00:24:40,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 00:24:40,360 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:24:40,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:24:40,361 INFO L82 PathProgramCache]: Analyzing trace with hash 299462574, now seen corresponding path program 1 times [2021-04-29 00:24:40,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:24:40,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601710928] [2021-04-29 00:24:40,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:24:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:24:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:24:40,479 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 00:24:40,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:24:40,541 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-04-29 00:24:40,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 00:24:40,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:40,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:24:40,702 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 00:24:40,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601710928] [2021-04-29 00:24:40,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:24:40,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:24:40,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431183361] [2021-04-29 00:24:40,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:24:40,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:24:40,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:24:40,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:24:40,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 328 [2021-04-29 00:24:40,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 116 transitions, 1008 flow. Second operand has 5 states, 5 states have (on average 183.0) internal successors, (915), 5 states have internal predecessors, (915), 0 states have call successors, (0), 0 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 00:24:40,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:24:40,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 328 [2021-04-29 00:24:40,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:24:41,957 INFO L129 PetriNetUnfolder]: 1256/3491 cut-off events. [2021-04-29 00:24:41,958 INFO L130 PetriNetUnfolder]: For 9601/10229 co-relation queries the response was YES. [2021-04-29 00:24:41,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12865 conditions, 3491 events. 1256/3491 cut-off events. For 9601/10229 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 38794 event pairs, 13 based on Foata normal form. 153/1732 useless extension candidates. Maximal degree in co-relation 12834. Up to 1530 conditions per place. [2021-04-29 00:24:42,002 INFO L132 encePairwiseOnDemand]: 315/328 looper letters, 37 selfloop transitions, 16 changer transitions 23/131 dead transitions. [2021-04-29 00:24:42,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 131 transitions, 1285 flow [2021-04-29 00:24:42,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:24:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:24:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1122 transitions. [2021-04-29 00:24:42,014 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5701219512195121 [2021-04-29 00:24:42,015 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1122 transitions. [2021-04-29 00:24:42,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1122 transitions. [2021-04-29 00:24:42,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:24:42,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1122 transitions. [2021-04-29 00:24:42,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 187.0) internal successors, (1122), 6 states have internal predecessors, (1122), 0 states have call successors, (0), 0 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 00:24:42,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 328.0) internal successors, (2296), 7 states have internal predecessors, (2296), 0 states have call successors, (0), 0 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 00:24:42,025 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 328.0) internal successors, (2296), 7 states have internal predecessors, (2296), 0 states have call successors, (0), 0 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 00:24:42,025 INFO L185 Difference]: Start difference. First operand has 90 places, 116 transitions, 1008 flow. Second operand 6 states and 1122 transitions. [2021-04-29 00:24:42,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 131 transitions, 1285 flow [2021-04-29 00:24:42,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 131 transitions, 1262 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-04-29 00:24:42,578 INFO L241 Difference]: Finished difference. Result has 96 places, 108 transitions, 951 flow [2021-04-29 00:24:42,579 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=985, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=951, PETRI_PLACES=96, PETRI_TRANSITIONS=108} [2021-04-29 00:24:42,579 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -32 predicate places. [2021-04-29 00:24:42,579 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:24:42,579 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 108 transitions, 951 flow [2021-04-29 00:24:42,580 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 108 transitions, 951 flow [2021-04-29 00:24:42,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 108 transitions, 951 flow [2021-04-29 00:24:42,842 INFO L129 PetriNetUnfolder]: 810/2330 cut-off events. [2021-04-29 00:24:42,843 INFO L130 PetriNetUnfolder]: For 3630/3703 co-relation queries the response was YES. [2021-04-29 00:24:42,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8445 conditions, 2330 events. 810/2330 cut-off events. For 3630/3703 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 24460 event pairs, 10 based on Foata normal form. 5/1126 useless extension candidates. Maximal degree in co-relation 8413. Up to 990 conditions per place. [2021-04-29 00:24:42,885 INFO L146 LiptonReduction]: Number of co-enabled transitions 1540 [2021-04-29 00:24:42,945 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:24:42,945 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:24:42,945 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 366 [2021-04-29 00:24:42,947 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 108 transitions, 951 flow [2021-04-29 00:24:42,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 183.0) internal successors, (915), 5 states have internal predecessors, (915), 0 states have call successors, (0), 0 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 00:24:42,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:24:42,948 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 00:24:42,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 00:24:42,949 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:24:42,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:24:42,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1363508957, now seen corresponding path program 1 times [2021-04-29 00:24:42,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:24:42,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992101774] [2021-04-29 00:24:42,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:24:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:24:43,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:43,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:24:43,086 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-04-29 00:24:43,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:24:43,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:43,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:24:43,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:43,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:24:43,276 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 00:24:43,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992101774] [2021-04-29 00:24:43,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:24:43,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:24:43,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128629166] [2021-04-29 00:24:43,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:24:43,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:24:43,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:24:43,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:24:43,281 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 328 [2021-04-29 00:24:43,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 108 transitions, 951 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 00:24:43,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:24:43,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 328 [2021-04-29 00:24:43,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:24:44,619 INFO L129 PetriNetUnfolder]: 1004/2839 cut-off events. [2021-04-29 00:24:44,619 INFO L130 PetriNetUnfolder]: For 7212/7563 co-relation queries the response was YES. [2021-04-29 00:24:44,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10570 conditions, 2839 events. 1004/2839 cut-off events. For 7212/7563 co-relation queries the response was YES. Maximal size of possible extension queue 828. Compared 30570 event pairs, 17 based on Foata normal form. 105/1438 useless extension candidates. Maximal degree in co-relation 10536. Up to 1215 conditions per place. [2021-04-29 00:24:44,652 INFO L132 encePairwiseOnDemand]: 317/328 looper letters, 30 selfloop transitions, 25 changer transitions 7/117 dead transitions. [2021-04-29 00:24:44,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 117 transitions, 1165 flow [2021-04-29 00:24:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 00:24:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 00:24:44,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1362 transitions. [2021-04-29 00:24:44,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5190548780487805 [2021-04-29 00:24:44,671 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1362 transitions. [2021-04-29 00:24:44,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1362 transitions. [2021-04-29 00:24:44,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:24:44,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1362 transitions. [2021-04-29 00:24:44,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 170.25) internal successors, (1362), 8 states have internal predecessors, (1362), 0 states have call successors, (0), 0 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 00:24:44,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 328.0) internal successors, (2952), 9 states have internal predecessors, (2952), 0 states have call successors, (0), 0 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 00:24:44,688 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 328.0) internal successors, (2952), 9 states have internal predecessors, (2952), 0 states have call successors, (0), 0 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 00:24:44,689 INFO L185 Difference]: Start difference. First operand has 91 places, 108 transitions, 951 flow. Second operand 8 states and 1362 transitions. [2021-04-29 00:24:44,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 117 transitions, 1165 flow [2021-04-29 00:24:45,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 117 transitions, 1096 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-04-29 00:24:45,093 INFO L241 Difference]: Finished difference. Result has 93 places, 107 transitions, 942 flow [2021-04-29 00:24:45,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=942, PETRI_PLACES=93, PETRI_TRANSITIONS=107} [2021-04-29 00:24:45,094 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -35 predicate places. [2021-04-29 00:24:45,094 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:24:45,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 107 transitions, 942 flow [2021-04-29 00:24:45,095 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 107 transitions, 942 flow [2021-04-29 00:24:45,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 107 transitions, 942 flow [2021-04-29 00:24:45,451 INFO L129 PetriNetUnfolder]: 782/2257 cut-off events. [2021-04-29 00:24:45,451 INFO L130 PetriNetUnfolder]: For 3567/3666 co-relation queries the response was YES. [2021-04-29 00:24:45,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8189 conditions, 2257 events. 782/2257 cut-off events. For 3567/3666 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 23740 event pairs, 11 based on Foata normal form. 5/1074 useless extension candidates. Maximal degree in co-relation 8158. Up to 945 conditions per place. [2021-04-29 00:24:45,489 INFO L146 LiptonReduction]: Number of co-enabled transitions 1518 [2021-04-29 00:24:45,498 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:24:45,498 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:24:45,498 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 404 [2021-04-29 00:24:45,499 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 107 transitions, 942 flow [2021-04-29 00:24:45,500 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 00:24:45,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:24:45,501 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 00:24:45,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 00:24:45,501 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:24:45,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:24:45,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1604641406, now seen corresponding path program 2 times [2021-04-29 00:24:45,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:24:45,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001448071] [2021-04-29 00:24:45,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:24:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:24:45,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:45,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:24:45,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:45,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:24:45,799 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-04-29 00:24:45,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 00:24:45,917 INFO L142 QuantifierPusher]: treesize reduction 26, result has 58.7 percent of original size [2021-04-29 00:24:45,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 00:24:46,066 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2021-04-29 00:24:46,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:46,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:24:46,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:46,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:24:46,210 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 00:24:46,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001448071] [2021-04-29 00:24:46,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:24:46,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 00:24:46,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74615056] [2021-04-29 00:24:46,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 00:24:46,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:24:46,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 00:24:46,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-04-29 00:24:46,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 328 [2021-04-29 00:24:46,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 107 transitions, 942 flow. Second operand has 8 states, 8 states have (on average 159.25) internal successors, (1274), 8 states have internal predecessors, (1274), 0 states have call successors, (0), 0 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 00:24:46,218 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:24:46,218 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 328 [2021-04-29 00:24:46,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:24:47,725 INFO L129 PetriNetUnfolder]: 877/2502 cut-off events. [2021-04-29 00:24:47,726 INFO L130 PetriNetUnfolder]: For 6242/6585 co-relation queries the response was YES. [2021-04-29 00:24:47,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9359 conditions, 2502 events. 877/2502 cut-off events. For 6242/6585 co-relation queries the response was YES. Maximal size of possible extension queue 765. Compared 26534 event pairs, 11 based on Foata normal form. 123/1291 useless extension candidates. Maximal degree in co-relation 9326. Up to 1080 conditions per place. [2021-04-29 00:24:47,753 INFO L132 encePairwiseOnDemand]: 317/328 looper letters, 37 selfloop transitions, 21 changer transitions 10/123 dead transitions. [2021-04-29 00:24:47,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 123 transitions, 1244 flow [2021-04-29 00:24:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 00:24:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 00:24:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1774 transitions. [2021-04-29 00:24:47,769 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4916851441241685 [2021-04-29 00:24:47,769 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1774 transitions. [2021-04-29 00:24:47,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1774 transitions. [2021-04-29 00:24:47,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:24:47,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1774 transitions. [2021-04-29 00:24:47,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 161.27272727272728) internal successors, (1774), 11 states have internal predecessors, (1774), 0 states have call successors, (0), 0 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 00:24:47,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 328.0) internal successors, (3936), 12 states have internal predecessors, (3936), 0 states have call successors, (0), 0 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 00:24:47,789 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 328.0) internal successors, (3936), 12 states have internal predecessors, (3936), 0 states have call successors, (0), 0 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 00:24:47,789 INFO L185 Difference]: Start difference. First operand has 93 places, 107 transitions, 942 flow. Second operand 11 states and 1774 transitions. [2021-04-29 00:24:47,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 123 transitions, 1244 flow [2021-04-29 00:24:48,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 123 transitions, 1161 flow, removed 1 selfloop flow, removed 8 redundant places. [2021-04-29 00:24:48,081 INFO L241 Difference]: Finished difference. Result has 99 places, 105 transitions, 926 flow [2021-04-29 00:24:48,082 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=869, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=926, PETRI_PLACES=99, PETRI_TRANSITIONS=105} [2021-04-29 00:24:48,082 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -29 predicate places. [2021-04-29 00:24:48,082 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:24:48,082 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 105 transitions, 926 flow [2021-04-29 00:24:48,083 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 105 transitions, 926 flow [2021-04-29 00:24:48,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 105 transitions, 926 flow [2021-04-29 00:24:48,260 INFO L129 PetriNetUnfolder]: 572/1709 cut-off events. [2021-04-29 00:24:48,260 INFO L130 PetriNetUnfolder]: For 2191/2220 co-relation queries the response was YES. [2021-04-29 00:24:48,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6259 conditions, 1709 events. 572/1709 cut-off events. For 2191/2220 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 17501 event pairs, 12 based on Foata normal form. 3/825 useless extension candidates. Maximal degree in co-relation 6225. Up to 765 conditions per place. [2021-04-29 00:24:48,290 INFO L146 LiptonReduction]: Number of co-enabled transitions 1480 [2021-04-29 00:24:49,139 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-04-29 00:24:49,276 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:24:50,993 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 144 DAG size of output: 85 [2021-04-29 00:24:51,225 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:24:51,360 INFO L158 LiptonReduction]: Checked pairs total: 4 [2021-04-29 00:24:51,360 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:24:51,360 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3278 [2021-04-29 00:24:51,362 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 106 transitions, 942 flow [2021-04-29 00:24:51,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 159.25) internal successors, (1274), 8 states have internal predecessors, (1274), 0 states have call successors, (0), 0 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 00:24:51,363 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:24:51,363 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 00:24:51,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 00:24:51,364 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:24:51,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:24:51,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1186105520, now seen corresponding path program 1 times [2021-04-29 00:24:51,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:24:51,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806673456] [2021-04-29 00:24:51,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:24:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:24:51,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:51,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:24:51,559 INFO L142 QuantifierPusher]: treesize reduction 5, result has 68.8 percent of original size [2021-04-29 00:24:51,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:24:51,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-04-29 00:24:51,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:24:51,736 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-04-29 00:24:51,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:24:51,897 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2021-04-29 00:24:51,902 INFO L142 QuantifierPusher]: treesize reduction 11, result has 50.0 percent of original size [2021-04-29 00:24:51,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:24:51,997 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 00:24:51,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806673456] [2021-04-29 00:24:51,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:24:51,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:24:51,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110959747] [2021-04-29 00:24:51,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:24:51,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:24:52,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:24:52,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:24:52,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 329 [2021-04-29 00:24:52,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 106 transitions, 942 flow. Second operand has 7 states, 7 states have (on average 161.42857142857142) internal successors, (1130), 7 states have internal predecessors, (1130), 0 states have call successors, (0), 0 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 00:24:52,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:24:52,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 329 [2021-04-29 00:24:52,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:24:52,151 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-04-29 00:24:52,371 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 19 [2021-04-29 00:24:52,630 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-04-29 00:24:52,851 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 15 [2021-04-29 00:24:53,031 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-04-29 00:24:54,148 INFO L129 PetriNetUnfolder]: 748/2157 cut-off events. [2021-04-29 00:24:54,149 INFO L130 PetriNetUnfolder]: For 5343/5701 co-relation queries the response was YES. [2021-04-29 00:24:54,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8106 conditions, 2157 events. 748/2157 cut-off events. For 5343/5701 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 22357 event pairs, 4 based on Foata normal form. 135/1145 useless extension candidates. Maximal degree in co-relation 8070. Up to 945 conditions per place. [2021-04-29 00:24:54,175 INFO L132 encePairwiseOnDemand]: 317/329 looper letters, 28 selfloop transitions, 31 changer transitions 8/122 dead transitions. [2021-04-29 00:24:54,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 122 transitions, 1224 flow [2021-04-29 00:24:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 00:24:54,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 00:24:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1802 transitions. [2021-04-29 00:24:54,190 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.497927604310583 [2021-04-29 00:24:54,190 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1802 transitions. [2021-04-29 00:24:54,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1802 transitions. [2021-04-29 00:24:54,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:24:54,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1802 transitions. [2021-04-29 00:24:54,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 163.8181818181818) internal successors, (1802), 11 states have internal predecessors, (1802), 0 states have call successors, (0), 0 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 00:24:54,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 329.0) internal successors, (3948), 12 states have internal predecessors, (3948), 0 states have call successors, (0), 0 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 00:24:54,207 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 329.0) internal successors, (3948), 12 states have internal predecessors, (3948), 0 states have call successors, (0), 0 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 00:24:54,207 INFO L185 Difference]: Start difference. First operand has 94 places, 106 transitions, 942 flow. Second operand 11 states and 1802 transitions. [2021-04-29 00:24:54,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 122 transitions, 1224 flow [2021-04-29 00:24:54,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 122 transitions, 1164 flow, removed 12 selfloop flow, removed 7 redundant places. [2021-04-29 00:24:54,447 INFO L241 Difference]: Finished difference. Result has 101 places, 110 transitions, 1040 flow [2021-04-29 00:24:54,448 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1040, PETRI_PLACES=101, PETRI_TRANSITIONS=110} [2021-04-29 00:24:54,450 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -27 predicate places. [2021-04-29 00:24:54,450 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:24:54,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 110 transitions, 1040 flow [2021-04-29 00:24:54,451 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 110 transitions, 1040 flow [2021-04-29 00:24:54,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 110 transitions, 1040 flow [2021-04-29 00:24:54,624 INFO L129 PetriNetUnfolder]: 547/1614 cut-off events. [2021-04-29 00:24:54,624 INFO L130 PetriNetUnfolder]: For 2445/2511 co-relation queries the response was YES. [2021-04-29 00:24:54,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5974 conditions, 1614 events. 547/1614 cut-off events. For 2445/2511 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 16305 event pairs, 10 based on Foata normal form. 6/775 useless extension candidates. Maximal degree in co-relation 5939. Up to 720 conditions per place. [2021-04-29 00:24:54,656 INFO L146 LiptonReduction]: Number of co-enabled transitions 1620 [2021-04-29 00:24:54,692 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:24:54,692 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:24:54,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 242 [2021-04-29 00:24:54,693 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 110 transitions, 1040 flow [2021-04-29 00:24:54,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 161.42857142857142) internal successors, (1130), 7 states have internal predecessors, (1130), 0 states have call successors, (0), 0 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 00:24:54,694 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:24:54,694 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 00:24:54,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 00:24:54,695 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:24:54,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:24:54,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1857228124, now seen corresponding path program 3 times [2021-04-29 00:24:54,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:24:54,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16387872] [2021-04-29 00:24:54,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:24:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:24:54,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:54,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:24:54,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:54,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:24:54,941 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.8 percent of original size [2021-04-29 00:24:54,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-29 00:24:55,102 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 17 [2021-04-29 00:24:55,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:55,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:24:55,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:55,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 00:24:55,493 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-04-29 00:24:55,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:55,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:24:55,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:55,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:24:55,612 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 00:24:55,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16387872] [2021-04-29 00:24:55,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:24:55,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:24:55,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101958784] [2021-04-29 00:24:55,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:24:55,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:24:55,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:24:55,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:24:55,618 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 329 [2021-04-29 00:24:55,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 110 transitions, 1040 flow. Second operand has 7 states, 7 states have (on average 162.42857142857142) internal successors, (1137), 7 states have internal predecessors, (1137), 0 states have call successors, (0), 0 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 00:24:55,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:24:55,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 329 [2021-04-29 00:24:55,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:24:55,805 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-04-29 00:24:56,232 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2021-04-29 00:24:56,495 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-04-29 00:24:57,622 INFO L129 PetriNetUnfolder]: 994/2801 cut-off events. [2021-04-29 00:24:57,622 INFO L130 PetriNetUnfolder]: For 7692/8116 co-relation queries the response was YES. [2021-04-29 00:24:57,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10516 conditions, 2801 events. 994/2801 cut-off events. For 7692/8116 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 30779 event pairs, 7 based on Foata normal form. 161/1431 useless extension candidates. Maximal degree in co-relation 10479. Up to 1260 conditions per place. [2021-04-29 00:24:57,655 INFO L132 encePairwiseOnDemand]: 320/329 looper letters, 37 selfloop transitions, 10 changer transitions 32/134 dead transitions. [2021-04-29 00:24:57,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 134 transitions, 1497 flow [2021-04-29 00:24:57,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 00:24:57,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 00:24:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1325 transitions. [2021-04-29 00:24:57,666 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.503419452887538 [2021-04-29 00:24:57,667 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1325 transitions. [2021-04-29 00:24:57,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1325 transitions. [2021-04-29 00:24:57,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:24:57,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1325 transitions. [2021-04-29 00:24:57,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 165.625) internal successors, (1325), 8 states have internal predecessors, (1325), 0 states have call successors, (0), 0 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 00:24:57,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 329.0) internal successors, (2961), 9 states have internal predecessors, (2961), 0 states have call successors, (0), 0 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 00:24:57,678 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 329.0) internal successors, (2961), 9 states have internal predecessors, (2961), 0 states have call successors, (0), 0 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 00:24:57,679 INFO L185 Difference]: Start difference. First operand has 99 places, 110 transitions, 1040 flow. Second operand 8 states and 1325 transitions. [2021-04-29 00:24:57,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 134 transitions, 1497 flow [2021-04-29 00:24:57,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 134 transitions, 1434 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-04-29 00:24:57,879 INFO L241 Difference]: Finished difference. Result has 101 places, 95 transitions, 830 flow [2021-04-29 00:24:57,880 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=830, PETRI_PLACES=101, PETRI_TRANSITIONS=95} [2021-04-29 00:24:57,880 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -27 predicate places. [2021-04-29 00:24:57,881 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:24:57,881 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 95 transitions, 830 flow [2021-04-29 00:24:57,881 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 95 transitions, 830 flow [2021-04-29 00:24:57,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 95 transitions, 830 flow [2021-04-29 00:24:58,046 INFO L129 PetriNetUnfolder]: 557/1636 cut-off events. [2021-04-29 00:24:58,047 INFO L130 PetriNetUnfolder]: For 2837/2877 co-relation queries the response was YES. [2021-04-29 00:24:58,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6009 conditions, 1636 events. 557/1636 cut-off events. For 2837/2877 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 16224 event pairs, 9 based on Foata normal form. 4/792 useless extension candidates. Maximal degree in co-relation 5974. Up to 675 conditions per place. [2021-04-29 00:24:58,079 INFO L146 LiptonReduction]: Number of co-enabled transitions 1078 [2021-04-29 00:24:58,098 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:24:58,098 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:24:58,099 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 218 [2021-04-29 00:24:58,100 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 95 transitions, 830 flow [2021-04-29 00:24:58,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 162.42857142857142) internal successors, (1137), 7 states have internal predecessors, (1137), 0 states have call successors, (0), 0 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 00:24:58,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:24:58,101 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 00:24:58,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 00:24:58,102 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:24:58,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:24:58,103 INFO L82 PathProgramCache]: Analyzing trace with hash -737026246, now seen corresponding path program 4 times [2021-04-29 00:24:58,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:24:58,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888709377] [2021-04-29 00:24:58,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:24:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:24:58,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:58,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:24:58,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:58,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:24:58,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:58,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:24:58,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:24:58,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 00:24:58,691 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 21 [2021-04-29 00:24:58,697 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-04-29 00:24:58,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:24:58,809 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-04-29 00:24:58,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:24:58,892 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 00:24:58,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888709377] [2021-04-29 00:24:58,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:24:58,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:24:58,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257417419] [2021-04-29 00:24:58,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:24:58,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:24:58,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:24:58,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:24:58,898 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 329 [2021-04-29 00:24:58,900 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 95 transitions, 830 flow. Second operand has 7 states, 7 states have (on average 157.42857142857142) internal successors, (1102), 7 states have internal predecessors, (1102), 0 states have call successors, (0), 0 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 00:24:58,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:24:58,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 329 [2021-04-29 00:24:58,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:24:59,100 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-04-29 00:24:59,760 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2021-04-29 00:25:00,095 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2021-04-29 00:25:01,261 INFO L129 PetriNetUnfolder]: 1076/2921 cut-off events. [2021-04-29 00:25:01,261 INFO L130 PetriNetUnfolder]: For 7873/8143 co-relation queries the response was YES. [2021-04-29 00:25:01,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10884 conditions, 2921 events. 1076/2921 cut-off events. For 7873/8143 co-relation queries the response was YES. Maximal size of possible extension queue 909. Compared 31806 event pairs, 3 based on Foata normal form. 113/1474 useless extension candidates. Maximal degree in co-relation 10847. Up to 1215 conditions per place. [2021-04-29 00:25:01,305 INFO L132 encePairwiseOnDemand]: 320/329 looper letters, 22 selfloop transitions, 19 changer transitions 15/110 dead transitions. [2021-04-29 00:25:01,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 110 transitions, 1122 flow [2021-04-29 00:25:01,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 00:25:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 00:25:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1280 transitions. [2021-04-29 00:25:01,317 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48632218844984804 [2021-04-29 00:25:01,318 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1280 transitions. [2021-04-29 00:25:01,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1280 transitions. [2021-04-29 00:25:01,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:01,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1280 transitions. [2021-04-29 00:25:01,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 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 00:25:01,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 329.0) internal successors, (2961), 9 states have internal predecessors, (2961), 0 states have call successors, (0), 0 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 00:25:01,328 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 329.0) internal successors, (2961), 9 states have internal predecessors, (2961), 0 states have call successors, (0), 0 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 00:25:01,328 INFO L185 Difference]: Start difference. First operand has 97 places, 95 transitions, 830 flow. Second operand 8 states and 1280 transitions. [2021-04-29 00:25:01,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 110 transitions, 1122 flow [2021-04-29 00:25:01,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 110 transitions, 1030 flow, removed 16 selfloop flow, removed 12 redundant places. [2021-04-29 00:25:01,492 INFO L241 Difference]: Finished difference. Result has 95 places, 91 transitions, 798 flow [2021-04-29 00:25:01,493 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=798, PETRI_PLACES=95, PETRI_TRANSITIONS=91} [2021-04-29 00:25:01,493 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -33 predicate places. [2021-04-29 00:25:01,493 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:01,494 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 91 transitions, 798 flow [2021-04-29 00:25:01,494 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 91 transitions, 798 flow [2021-04-29 00:25:01,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 91 transitions, 798 flow [2021-04-29 00:25:01,752 INFO L129 PetriNetUnfolder]: 627/1757 cut-off events. [2021-04-29 00:25:01,752 INFO L130 PetriNetUnfolder]: For 3633/3706 co-relation queries the response was YES. [2021-04-29 00:25:01,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6486 conditions, 1757 events. 627/1757 cut-off events. For 3633/3706 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 17513 event pairs, 8 based on Foata normal form. 24/877 useless extension candidates. Maximal degree in co-relation 6453. Up to 765 conditions per place. [2021-04-29 00:25:01,783 INFO L146 LiptonReduction]: Number of co-enabled transitions 954 [2021-04-29 00:25:07,295 WARN L205 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 269 DAG size of output: 160 [2021-04-29 00:25:08,826 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 143 [2021-04-29 00:25:23,012 WARN L205 SmtUtils]: Spent 14.18 s on a formula simplification. DAG size of input: 377 DAG size of output: 240 [2021-04-29 00:25:26,233 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 220 [2021-04-29 00:25:32,301 WARN L205 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 269 DAG size of output: 160 [2021-04-29 00:25:33,828 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 143 [2021-04-29 00:25:44,681 WARN L205 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 377 DAG size of output: 236 [2021-04-29 00:25:47,879 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification that was a NOOP. DAG size: 218 [2021-04-29 00:25:47,894 INFO L158 LiptonReduction]: Checked pairs total: 56 [2021-04-29 00:25:47,895 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 00:25:47,895 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46402 [2021-04-29 00:25:47,896 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 91 transitions, 798 flow [2021-04-29 00:25:47,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 157.42857142857142) internal successors, (1102), 7 states have internal predecessors, (1102), 0 states have call successors, (0), 0 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 00:25:47,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:47,898 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 00:25:47,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 00:25:47,898 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:47,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:47,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1250710175, now seen corresponding path program 1 times [2021-04-29 00:25:47,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:47,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251713692] [2021-04-29 00:25:47,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:48,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:48,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:25:48,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:48,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:48,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:48,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:48,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:48,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:25:48,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:48,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:25:48,403 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 00:25:48,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251713692] [2021-04-29 00:25:48,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:48,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:25:48,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589157455] [2021-04-29 00:25:48,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:25:48,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:48,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:25:48,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:25:48,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 331 [2021-04-29 00:25:48,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 91 transitions, 798 flow. Second operand has 7 states, 7 states have (on average 174.57142857142858) internal successors, (1222), 7 states have internal predecessors, (1222), 0 states have call successors, (0), 0 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 00:25:48,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:48,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 331 [2021-04-29 00:25:48,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:49,085 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-04-29 00:25:50,212 INFO L129 PetriNetUnfolder]: 1017/2721 cut-off events. [2021-04-29 00:25:50,213 INFO L130 PetriNetUnfolder]: For 7327/7545 co-relation queries the response was YES. [2021-04-29 00:25:50,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10245 conditions, 2721 events. 1017/2721 cut-off events. For 7327/7545 co-relation queries the response was YES. Maximal size of possible extension queue 801. Compared 29099 event pairs, 16 based on Foata normal form. 82/1327 useless extension candidates. Maximal degree in co-relation 10210. Up to 1170 conditions per place. [2021-04-29 00:25:50,239 INFO L132 encePairwiseOnDemand]: 322/331 looper letters, 25 selfloop transitions, 8 changer transitions 20/107 dead transitions. [2021-04-29 00:25:50,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 107 transitions, 1068 flow [2021-04-29 00:25:50,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:25:50,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:25:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1242 transitions. [2021-04-29 00:25:50,250 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5360379801467414 [2021-04-29 00:25:50,250 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1242 transitions. [2021-04-29 00:25:50,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1242 transitions. [2021-04-29 00:25:50,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:50,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1242 transitions. [2021-04-29 00:25:50,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 177.42857142857142) internal successors, (1242), 7 states have internal predecessors, (1242), 0 states have call successors, (0), 0 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 00:25:50,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 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 00:25:50,260 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 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 00:25:50,260 INFO L185 Difference]: Start difference. First operand has 90 places, 91 transitions, 798 flow. Second operand 7 states and 1242 transitions. [2021-04-29 00:25:50,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 107 transitions, 1068 flow [2021-04-29 00:25:50,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 107 transitions, 969 flow, removed 24 selfloop flow, removed 7 redundant places. [2021-04-29 00:25:50,387 INFO L241 Difference]: Finished difference. Result has 93 places, 87 transitions, 708 flow [2021-04-29 00:25:50,387 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=708, PETRI_PLACES=93, PETRI_TRANSITIONS=87} [2021-04-29 00:25:50,388 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -35 predicate places. [2021-04-29 00:25:50,388 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:50,388 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 87 transitions, 708 flow [2021-04-29 00:25:50,388 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 87 transitions, 708 flow [2021-04-29 00:25:50,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 87 transitions, 708 flow [2021-04-29 00:25:50,542 INFO L129 PetriNetUnfolder]: 598/1666 cut-off events. [2021-04-29 00:25:50,543 INFO L130 PetriNetUnfolder]: For 2576/2619 co-relation queries the response was YES. [2021-04-29 00:25:50,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6042 conditions, 1666 events. 598/1666 cut-off events. For 2576/2619 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 16587 event pairs, 7 based on Foata normal form. 19/830 useless extension candidates. Maximal degree in co-relation 6008. Up to 720 conditions per place. [2021-04-29 00:25:50,571 INFO L146 LiptonReduction]: Number of co-enabled transitions 876 [2021-04-29 00:25:50,605 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:50,605 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:50,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 217 [2021-04-29 00:25:50,607 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 87 transitions, 708 flow [2021-04-29 00:25:50,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 174.57142857142858) internal successors, (1222), 7 states have internal predecessors, (1222), 0 states have call successors, (0), 0 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 00:25:50,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:50,609 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 00:25:50,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 00:25:50,609 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:50,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:50,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1240717916, now seen corresponding path program 1 times [2021-04-29 00:25:50,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:50,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105041254] [2021-04-29 00:25:50,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:50,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:50,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:50,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:50,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:50,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:50,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:50,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:50,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:25:50,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:50,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:25:51,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:51,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:25:51,061 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 00:25:51,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105041254] [2021-04-29 00:25:51,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:51,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:25:51,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469681269] [2021-04-29 00:25:51,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:25:51,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:51,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:25:51,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:25:51,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 331 [2021-04-29 00:25:51,069 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 87 transitions, 708 flow. Second operand has 6 states, 6 states have (on average 162.66666666666666) internal successors, (976), 6 states have internal predecessors, (976), 0 states have call successors, (0), 0 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 00:25:51,069 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:51,069 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 331 [2021-04-29 00:25:51,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:52,458 INFO L129 PetriNetUnfolder]: 737/2018 cut-off events. [2021-04-29 00:25:52,459 INFO L130 PetriNetUnfolder]: For 3913/4048 co-relation queries the response was YES. [2021-04-29 00:25:52,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7467 conditions, 2018 events. 737/2018 cut-off events. For 3913/4048 co-relation queries the response was YES. Maximal size of possible extension queue 585. Compared 20339 event pairs, 14 based on Foata normal form. 63/1014 useless extension candidates. Maximal degree in co-relation 7431. Up to 855 conditions per place. [2021-04-29 00:25:52,484 INFO L132 encePairwiseOnDemand]: 322/331 looper letters, 25 selfloop transitions, 9 changer transitions 3/91 dead transitions. [2021-04-29 00:25:52,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 91 transitions, 811 flow [2021-04-29 00:25:52,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:25:52,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:25:52,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 987 transitions. [2021-04-29 00:25:52,498 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49697885196374625 [2021-04-29 00:25:52,499 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 987 transitions. [2021-04-29 00:25:52,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 987 transitions. [2021-04-29 00:25:52,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:52,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 987 transitions. [2021-04-29 00:25:52,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 164.5) internal successors, (987), 6 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:52,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 0 states have call successors, (0), 0 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 00:25:52,509 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 0 states have call successors, (0), 0 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 00:25:52,509 INFO L185 Difference]: Start difference. First operand has 86 places, 87 transitions, 708 flow. Second operand 6 states and 987 transitions. [2021-04-29 00:25:52,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 91 transitions, 811 flow [2021-04-29 00:25:52,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 91 transitions, 758 flow, removed 18 selfloop flow, removed 12 redundant places. [2021-04-29 00:25:52,617 INFO L241 Difference]: Finished difference. Result has 81 places, 88 transitions, 698 flow [2021-04-29 00:25:52,618 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=655, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=698, PETRI_PLACES=81, PETRI_TRANSITIONS=88} [2021-04-29 00:25:52,618 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -47 predicate places. [2021-04-29 00:25:52,618 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:52,619 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 88 transitions, 698 flow [2021-04-29 00:25:52,619 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 88 transitions, 698 flow [2021-04-29 00:25:52,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 88 transitions, 698 flow [2021-04-29 00:25:52,891 INFO L129 PetriNetUnfolder]: 733/1997 cut-off events. [2021-04-29 00:25:52,892 INFO L130 PetriNetUnfolder]: For 2819/2921 co-relation queries the response was YES. [2021-04-29 00:25:52,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7157 conditions, 1997 events. 733/1997 cut-off events. For 2819/2921 co-relation queries the response was YES. Maximal size of possible extension queue 571. Compared 20289 event pairs, 10 based on Foata normal form. 22/946 useless extension candidates. Maximal degree in co-relation 7131. Up to 855 conditions per place. [2021-04-29 00:25:52,924 INFO L146 LiptonReduction]: Number of co-enabled transitions 888 [2021-04-29 00:25:52,939 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:52,939 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:52,939 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 321 [2021-04-29 00:25:52,941 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 88 transitions, 698 flow [2021-04-29 00:25:52,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.66666666666666) internal successors, (976), 6 states have internal predecessors, (976), 0 states have call successors, (0), 0 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 00:25:52,942 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:52,942 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 00:25:52,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 00:25:52,942 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:52,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:52,943 INFO L82 PathProgramCache]: Analyzing trace with hash 594781874, now seen corresponding path program 2 times [2021-04-29 00:25:52,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:52,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837618688] [2021-04-29 00:25:52,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:53,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:25:53,090 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-04-29 00:25:53,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 00:25:53,180 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-04-29 00:25:53,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 00:25:53,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:53,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:53,333 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 00:25:53,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837618688] [2021-04-29 00:25:53,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:53,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:25:53,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426712848] [2021-04-29 00:25:53,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:25:53,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:53,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:25:53,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:25:53,338 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 331 [2021-04-29 00:25:53,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 88 transitions, 698 flow. Second operand has 6 states, 6 states have (on average 175.66666666666666) internal successors, (1054), 6 states have internal predecessors, (1054), 0 states have call successors, (0), 0 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 00:25:53,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:53,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 331 [2021-04-29 00:25:53,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:54,738 INFO L129 PetriNetUnfolder]: 1251/3298 cut-off events. [2021-04-29 00:25:54,738 INFO L130 PetriNetUnfolder]: For 6082/6319 co-relation queries the response was YES. [2021-04-29 00:25:54,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12046 conditions, 3298 events. 1251/3298 cut-off events. For 6082/6319 co-relation queries the response was YES. Maximal size of possible extension queue 945. Compared 35125 event pairs, 7 based on Foata normal form. 81/1599 useless extension candidates. Maximal degree in co-relation 12018. Up to 1395 conditions per place. [2021-04-29 00:25:54,758 INFO L132 encePairwiseOnDemand]: 324/331 looper letters, 21 selfloop transitions, 8 changer transitions 20/103 dead transitions. [2021-04-29 00:25:54,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 103 transitions, 950 flow [2021-04-29 00:25:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:25:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:25:54,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1244 transitions. [2021-04-29 00:25:54,769 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5369011652999568 [2021-04-29 00:25:54,770 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1244 transitions. [2021-04-29 00:25:54,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1244 transitions. [2021-04-29 00:25:54,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:54,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1244 transitions. [2021-04-29 00:25:54,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 177.71428571428572) internal successors, (1244), 7 states have internal predecessors, (1244), 0 states have call successors, (0), 0 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 00:25:54,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 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 00:25:54,775 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 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 00:25:54,776 INFO L185 Difference]: Start difference. First operand has 79 places, 88 transitions, 698 flow. Second operand 7 states and 1244 transitions. [2021-04-29 00:25:54,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 103 transitions, 950 flow [2021-04-29 00:25:55,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 103 transitions, 927 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-04-29 00:25:55,011 INFO L241 Difference]: Finished difference. Result has 82 places, 83 transitions, 631 flow [2021-04-29 00:25:55,011 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=683, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=631, PETRI_PLACES=82, PETRI_TRANSITIONS=83} [2021-04-29 00:25:55,012 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -46 predicate places. [2021-04-29 00:25:55,012 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:55,012 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 83 transitions, 631 flow [2021-04-29 00:25:55,013 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 83 transitions, 631 flow [2021-04-29 00:25:55,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 83 transitions, 631 flow [2021-04-29 00:25:55,178 INFO L129 PetriNetUnfolder]: 669/1817 cut-off events. [2021-04-29 00:25:55,178 INFO L130 PetriNetUnfolder]: For 2259/2323 co-relation queries the response was YES. [2021-04-29 00:25:55,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6473 conditions, 1817 events. 669/1817 cut-off events. For 2259/2323 co-relation queries the response was YES. Maximal size of possible extension queue 528. Compared 18207 event pairs, 7 based on Foata normal form. 17/868 useless extension candidates. Maximal degree in co-relation 6447. Up to 765 conditions per place. [2021-04-29 00:25:55,208 INFO L146 LiptonReduction]: Number of co-enabled transitions 746 [2021-04-29 00:25:55,229 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:55,230 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:55,230 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 218 [2021-04-29 00:25:55,231 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 83 transitions, 631 flow [2021-04-29 00:25:55,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 175.66666666666666) internal successors, (1054), 6 states have internal predecessors, (1054), 0 states have call successors, (0), 0 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 00:25:55,233 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:55,233 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 00:25:55,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 00:25:55,233 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:55,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:55,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1621005315, now seen corresponding path program 1 times [2021-04-29 00:25:55,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:55,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307571264] [2021-04-29 00:25:55,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:55,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:55,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:55,485 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 00:25:55,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 00:25:55,592 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-04-29 00:25:55,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 00:25:55,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:55,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 00:25:55,836 INFO L142 QuantifierPusher]: treesize reduction 5, result has 94.0 percent of original size [2021-04-29 00:25:55,842 INFO L147 QuantifierPusher]: treesize reduction 13, result has 83.3 percent of original size 65 [2021-04-29 00:25:56,129 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 18 [2021-04-29 00:25:56,140 INFO L142 QuantifierPusher]: treesize reduction 59, result has 37.2 percent of original size [2021-04-29 00:25:56,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 00:25:56,348 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2021-04-29 00:25:56,355 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-04-29 00:25:56,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:25:56,483 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-29 00:25:56,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 00:25:56,691 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2021-04-29 00:25:56,694 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 00:25:56,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307571264] [2021-04-29 00:25:56,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:56,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 00:25:56,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773641456] [2021-04-29 00:25:56,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 00:25:56,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:56,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 00:25:56,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-04-29 00:25:56,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 331 [2021-04-29 00:25:56,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 83 transitions, 631 flow. Second operand has 10 states, 10 states have (on average 155.0) internal successors, (1550), 10 states have internal predecessors, (1550), 0 states have call successors, (0), 0 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 00:25:56,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:56,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 331 [2021-04-29 00:25:56,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:56,939 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2021-04-29 00:25:58,321 INFO L129 PetriNetUnfolder]: 642/1808 cut-off events. [2021-04-29 00:25:58,321 INFO L130 PetriNetUnfolder]: For 2972/3103 co-relation queries the response was YES. [2021-04-29 00:25:58,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6617 conditions, 1808 events. 642/1808 cut-off events. For 2972/3103 co-relation queries the response was YES. Maximal size of possible extension queue 516. Compared 17877 event pairs, 2 based on Foata normal form. 59/896 useless extension candidates. Maximal degree in co-relation 6589. Up to 765 conditions per place. [2021-04-29 00:25:58,331 INFO L132 encePairwiseOnDemand]: 325/331 looper letters, 18 selfloop transitions, 4 changer transitions 13/89 dead transitions. [2021-04-29 00:25:58,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 89 transitions, 743 flow [2021-04-29 00:25:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:25:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:25:58,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 790 transitions. [2021-04-29 00:25:58,344 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4773413897280967 [2021-04-29 00:25:58,344 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 790 transitions. [2021-04-29 00:25:58,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 790 transitions. [2021-04-29 00:25:58,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:58,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 790 transitions. [2021-04-29 00:25:58,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 158.0) internal successors, (790), 5 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 00:25:58,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 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 00:25:58,350 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 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 00:25:58,351 INFO L185 Difference]: Start difference. First operand has 80 places, 83 transitions, 631 flow. Second operand 5 states and 790 transitions. [2021-04-29 00:25:58,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 89 transitions, 743 flow [2021-04-29 00:25:58,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 89 transitions, 713 flow, removed 1 selfloop flow, removed 7 redundant places. [2021-04-29 00:25:58,414 INFO L241 Difference]: Finished difference. Result has 78 places, 74 transitions, 517 flow [2021-04-29 00:25:58,415 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=517, PETRI_PLACES=78, PETRI_TRANSITIONS=74} [2021-04-29 00:25:58,416 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -50 predicate places. [2021-04-29 00:25:58,416 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:58,416 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 74 transitions, 517 flow [2021-04-29 00:25:58,417 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 74 transitions, 517 flow [2021-04-29 00:25:58,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 74 transitions, 517 flow [2021-04-29 00:25:58,494 INFO L129 PetriNetUnfolder]: 228/701 cut-off events. [2021-04-29 00:25:58,494 INFO L130 PetriNetUnfolder]: For 896/905 co-relation queries the response was YES. [2021-04-29 00:25:58,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2507 conditions, 701 events. 228/701 cut-off events. For 896/905 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 5833 event pairs, 3 based on Foata normal form. 3/359 useless extension candidates. Maximal degree in co-relation 2482. Up to 270 conditions per place. [2021-04-29 00:25:58,503 INFO L146 LiptonReduction]: Number of co-enabled transitions 368 [2021-04-29 00:25:58,517 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:58,517 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:58,517 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-04-29 00:25:58,519 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 74 transitions, 517 flow [2021-04-29 00:25:58,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 155.0) internal successors, (1550), 10 states have internal predecessors, (1550), 0 states have call successors, (0), 0 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 00:25:58,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:58,520 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 00:25:58,520 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 00:25:58,520 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:58,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:58,521 INFO L82 PathProgramCache]: Analyzing trace with hash 181147535, now seen corresponding path program 2 times [2021-04-29 00:25:58,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:58,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041920619] [2021-04-29 00:25:58,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:58,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:58,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:58,696 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-04-29 00:25:58,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 00:25:58,830 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-04-29 00:25:58,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-29 00:25:58,973 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 14 [2021-04-29 00:25:58,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:59,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:59,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:25:59,113 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 00:25:59,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041920619] [2021-04-29 00:25:59,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:59,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:25:59,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002692333] [2021-04-29 00:25:59,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:25:59,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:59,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:25:59,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:25:59,118 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 331 [2021-04-29 00:25:59,120 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 74 transitions, 517 flow. Second operand has 7 states, 7 states have (on average 167.57142857142858) internal successors, (1173), 7 states have internal predecessors, (1173), 0 states have call successors, (0), 0 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 00:25:59,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:59,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 331 [2021-04-29 00:25:59,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:26:00,309 INFO L129 PetriNetUnfolder]: 450/1313 cut-off events. [2021-04-29 00:26:00,309 INFO L130 PetriNetUnfolder]: For 2208/2261 co-relation queries the response was YES. [2021-04-29 00:26:00,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4816 conditions, 1313 events. 450/1313 cut-off events. For 2208/2261 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 11919 event pairs, 5 based on Foata normal form. 38/667 useless extension candidates. Maximal degree in co-relation 4789. Up to 540 conditions per place. [2021-04-29 00:26:00,318 INFO L132 encePairwiseOnDemand]: 324/331 looper letters, 13 selfloop transitions, 8 changer transitions 11/86 dead transitions. [2021-04-29 00:26:00,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 86 transitions, 705 flow [2021-04-29 00:26:00,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:26:00,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:26:00,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1019 transitions. [2021-04-29 00:26:00,329 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5130916414904331 [2021-04-29 00:26:00,329 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1019 transitions. [2021-04-29 00:26:00,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1019 transitions. [2021-04-29 00:26:00,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:26:00,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1019 transitions. [2021-04-29 00:26:00,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 0 states have call successors, (0), 0 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 00:26:00,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 0 states have call successors, (0), 0 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 00:26:00,334 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 0 states have call successors, (0), 0 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 00:26:00,334 INFO L185 Difference]: Start difference. First operand has 75 places, 74 transitions, 517 flow. Second operand 6 states and 1019 transitions. [2021-04-29 00:26:00,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 86 transitions, 705 flow [2021-04-29 00:26:00,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 86 transitions, 645 flow, removed 12 selfloop flow, removed 10 redundant places. [2021-04-29 00:26:00,372 INFO L241 Difference]: Finished difference. Result has 72 places, 73 transitions, 498 flow [2021-04-29 00:26:00,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=498, PETRI_PLACES=72, PETRI_TRANSITIONS=73} [2021-04-29 00:26:00,372 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -56 predicate places. [2021-04-29 00:26:00,373 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:26:00,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 73 transitions, 498 flow [2021-04-29 00:26:00,373 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 73 transitions, 498 flow [2021-04-29 00:26:00,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 73 transitions, 498 flow [2021-04-29 00:26:00,433 INFO L129 PetriNetUnfolder]: 226/676 cut-off events. [2021-04-29 00:26:00,433 INFO L130 PetriNetUnfolder]: For 786/796 co-relation queries the response was YES. [2021-04-29 00:26:00,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2387 conditions, 676 events. 226/676 cut-off events. For 786/796 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 5488 event pairs, 3 based on Foata normal form. 1/337 useless extension candidates. Maximal degree in co-relation 2364. Up to 270 conditions per place. [2021-04-29 00:26:00,442 INFO L146 LiptonReduction]: Number of co-enabled transitions 356 [2021-04-29 00:26:00,452 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:26:00,453 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:26:00,453 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-04-29 00:26:00,454 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 73 transitions, 498 flow [2021-04-29 00:26:00,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 167.57142857142858) internal successors, (1173), 7 states have internal predecessors, (1173), 0 states have call successors, (0), 0 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 00:26:00,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:26:00,454 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 00:26:00,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 00:26:00,454 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:26:00,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:26:00,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1091922164, now seen corresponding path program 1 times [2021-04-29 00:26:00,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:26:00,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180307142] [2021-04-29 00:26:00,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:26:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:26:00,564 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:26:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:26:00,746 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:26:00,835 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 00:26:00,835 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 00:26:00,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-29 00:26:01,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 12:26:01 BasicIcfg [2021-04-29 00:26:01,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 00:26:01,035 INFO L168 Benchmark]: Toolchain (without parser) took 381812.00 ms. Allocated memory was 302.0 MB in the beginning and 608.2 MB in the end (delta: 306.2 MB). Free memory was 276.6 MB in the beginning and 205.2 MB in the end (delta: 71.5 MB). Peak memory consumption was 379.5 MB. Max. memory is 16.0 GB. [2021-04-29 00:26:01,035 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:26:01,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1025.81 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 269.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:26:01,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.16 ms. Allocated memory is still 302.0 MB. Free memory was 269.3 MB in the beginning and 266.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:26:01,036 INFO L168 Benchmark]: Boogie Preprocessor took 86.05 ms. Allocated memory is still 302.0 MB. Free memory was 266.2 MB in the beginning and 263.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:26:01,036 INFO L168 Benchmark]: RCFGBuilder took 4098.32 ms. Allocated memory was 302.0 MB in the beginning and 369.1 MB in the end (delta: 67.1 MB). Free memory was 263.0 MB in the beginning and 236.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 195.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:26:01,036 INFO L168 Benchmark]: TraceAbstraction took 376478.79 ms. Allocated memory was 369.1 MB in the beginning and 608.2 MB in the end (delta: 239.1 MB). Free memory was 236.8 MB in the beginning and 205.2 MB in the end (delta: 31.6 MB). Peak memory consumption was 269.6 MB. Max. memory is 16.0 GB. [2021-04-29 00:26:01,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1025.81 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 269.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 72.16 ms. Allocated memory is still 302.0 MB. Free memory was 269.3 MB in the beginning and 266.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 86.05 ms. Allocated memory is still 302.0 MB. Free memory was 266.2 MB in the beginning and 263.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 4098.32 ms. Allocated memory was 302.0 MB in the beginning and 369.1 MB in the end (delta: 67.1 MB). Free memory was 263.0 MB in the beginning and 236.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 195.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 376478.79 ms. Allocated memory was 369.1 MB in the beginning and 608.2 MB in the end (delta: 239.1 MB). Free memory was 236.8 MB in the beginning and 205.2 MB in the end (delta: 31.6 MB). Peak memory consumption was 269.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 156474.1ms, 104 PlacesBefore, 128 PlacesAfterwards, 96 TransitionsBefore, 120 TransitionsAfterwards, 1786 CoEnabledTransitionPairs, 8 FixpointIterations, 140 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 221 TotalNumberOfCompositions, 16188 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3958, positive: 3689, positive conditional: 3689, positive unconditional: 0, negative: 269, negative conditional: 269, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1931, positive: 1863, positive conditional: 0, positive unconditional: 1863, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1931, positive: 1863, positive conditional: 0, positive unconditional: 1863, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1931, positive: 1848, positive conditional: 0, positive unconditional: 1848, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2370, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 2322, negative conditional: 0, negative unconditional: 2322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3958, positive: 1826, positive conditional: 1826, positive unconditional: 0, negative: 201, negative conditional: 201, negative unconditional: 0, unknown: 1931, unknown conditional: 1931, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1931, Positive cache size: 1863, Positive conditional cache size: 1863, Positive unconditional cache size: 0, Negative cache size: 68, Negative conditional cache size: 68, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 764.9ms, 124 PlacesBefore, 51 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 1002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 990 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 746, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 746, negative conditional: 0, negative unconditional: 746, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1950, Positive cache size: 1871, Positive conditional cache size: 1871, Positive unconditional cache size: 0, Negative cache size: 79, Negative conditional cache size: 79, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 441.9ms, 52 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 498 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 629 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 173, positive: 140, positive conditional: 140, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 87, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 87, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 411, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 213, negative conditional: 84, negative unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 173, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 87, unknown conditional: 87, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2037, Positive cache size: 1948, Positive conditional cache size: 1948, Positive unconditional cache size: 0, Negative cache size: 89, Negative conditional cache size: 89, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.8ms, 41 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 462 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 572 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 159, positive: 128, positive conditional: 128, 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: 8, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 84, negative conditional: 23, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 159, positive: 123, positive conditional: 123, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2045, Positive cache size: 1953, Positive conditional cache size: 1953, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 570.3ms, 43 PlacesBefore, 42 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 398 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 948 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 277, positive: 222, positive conditional: 222, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 23, positive unconditional: 16, 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: 39, positive: 39, positive conditional: 23, positive unconditional: 16, 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: 39, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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.Query Time [ms]: [ total: 46, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 277, positive: 183, positive conditional: 183, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2084, Positive cache size: 1992, Positive conditional cache size: 1992, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.8ms, 45 PlacesBefore, 44 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 424 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 136 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 41, positive conditional: 41, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 22, positive conditional: 1, 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: 23, positive: 22, positive conditional: 1, 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: 23, positive: 22, positive conditional: 0, positive unconditional: 22, 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: 75, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2107, Positive cache size: 2014, Positive conditional cache size: 2014, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 98.1ms, 50 PlacesBefore, 50 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 70 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, 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: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2108, Positive cache size: 2015, Positive conditional cache size: 2015, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 492.8ms, 56 PlacesBefore, 56 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 704 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): 2108, Positive cache size: 2015, Positive conditional cache size: 2015, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 406.0ms, 64 PlacesBefore, 64 PlacesAfterwards, 82 TransitionsBefore, 82 TransitionsAfterwards, 818 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): 2108, Positive cache size: 2015, Positive conditional cache size: 2015, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63650.3ms, 71 PlacesBefore, 70 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 784 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 160 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 160, positive: 160, positive conditional: 160, 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: 40, positive: 40, positive conditional: 40, 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: 40, positive: 40, positive conditional: 40, 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: 40, positive: 40, positive conditional: 0, positive unconditional: 40, 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: 160, positive: 120, positive conditional: 120, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2148, Positive cache size: 2055, Positive conditional cache size: 2055, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 589.6ms, 77 PlacesBefore, 77 PlacesAfterwards, 100 TransitionsBefore, 100 TransitionsAfterwards, 1534 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): 2148, Positive cache size: 2055, Positive conditional cache size: 2055, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5500.8ms, 82 PlacesBefore, 83 PlacesAfterwards, 102 TransitionsBefore, 103 TransitionsAfterwards, 1446 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, 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: 5, positive: 5, positive conditional: 5, 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: 5, positive: 5, positive conditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2153, Positive cache size: 2060, Positive conditional cache size: 2060, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21437.9ms, 87 PlacesBefore, 85 PlacesAfterwards, 99 TransitionsBefore, 100 TransitionsAfterwards, 1272 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 28 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 28, positive conditional: 28, 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: 28, positive: 28, positive conditional: 28, 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: 28, positive: 28, positive conditional: 28, 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: 28, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2181, Positive cache size: 2088, Positive conditional cache size: 2088, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19328.1ms, 89 PlacesBefore, 90 PlacesAfterwards, 115 TransitionsBefore, 116 TransitionsAfterwards, 1922 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 31 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31, positive: 31, positive conditional: 31, 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: 31, positive: 31, positive conditional: 31, 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: 31, positive: 31, positive conditional: 31, 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: 31, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2212, Positive cache size: 2119, Positive conditional cache size: 2119, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 365.4ms, 96 PlacesBefore, 91 PlacesAfterwards, 108 TransitionsBefore, 108 TransitionsAfterwards, 1540 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): 2212, Positive cache size: 2119, Positive conditional cache size: 2119, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 403.1ms, 93 PlacesBefore, 93 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 1518 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): 2212, Positive cache size: 2119, Positive conditional cache size: 2119, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3277.5ms, 99 PlacesBefore, 94 PlacesAfterwards, 105 TransitionsBefore, 106 TransitionsAfterwards, 1480 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2216, Positive cache size: 2123, Positive conditional cache size: 2123, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 241.1ms, 101 PlacesBefore, 99 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 1620 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): 2216, Positive cache size: 2123, Positive conditional cache size: 2123, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 217.5ms, 101 PlacesBefore, 97 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 1078 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): 2216, Positive cache size: 2123, Positive conditional cache size: 2123, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46400.6ms, 95 PlacesBefore, 90 PlacesAfterwards, 91 TransitionsBefore, 91 TransitionsAfterwards, 954 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 56 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 56, positive: 56, positive conditional: 56, 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: 28, positive: 28, positive conditional: 28, 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: 28, positive: 28, positive conditional: 28, 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: 28, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 85, positive conditional: 85, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 56, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2244, Positive cache size: 2151, Positive conditional cache size: 2151, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 216.9ms, 93 PlacesBefore, 86 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 876 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): 2244, Positive cache size: 2151, Positive conditional cache size: 2151, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 320.0ms, 81 PlacesBefore, 79 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 888 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): 2244, Positive cache size: 2151, Positive conditional cache size: 2151, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 217.1ms, 82 PlacesBefore, 80 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 746 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): 2244, Positive cache size: 2151, Positive conditional cache size: 2151, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 100.3ms, 78 PlacesBefore, 75 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 368 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): 2244, Positive cache size: 2151, Positive conditional cache size: 2151, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 79.5ms, 72 PlacesBefore, 71 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 356 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): 2244, Positive cache size: 2151, Positive conditional cache size: 2151, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, 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_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; [L729] 0 _Bool y$r_buff1_thd0; [L730] 0 _Bool y$r_buff1_thd1; [L731] 0 _Bool y$r_buff1_thd2; [L732] 0 _Bool y$r_buff1_thd3; [L733] 0 _Bool y$read_delayed; [L734] 0 int *y$read_delayed_var; [L735] 0 int y$w_buff0; [L736] 0 _Bool y$w_buff0_used; [L737] 0 int y$w_buff1; [L738] 0 _Bool y$w_buff1_used; [L739] 0 _Bool weak$$choice0; [L740] 0 _Bool weak$$choice2; [L854] 0 pthread_t t2330; [L855] FCALL, FORK 0 pthread_create(&t2330, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L856] 0 pthread_t t2331; [L857] FCALL, FORK 0 pthread_create(&t2331, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] 2 y$w_buff1 = y$w_buff0 [L785] 2 y$w_buff0 = 2 [L786] 2 y$w_buff1_used = y$w_buff0_used [L787] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L789] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L790] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L791] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L792] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L793] 2 y$r_buff0_thd2 = (_Bool)1 [L796] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L858] 0 pthread_t t2332; [L859] FCALL, FORK 0 pthread_create(&t2332, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L813] 3 __unbuffered_p2_EAX = x [L816] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L817] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L818] 3 y$flush_delayed = weak$$choice2 [L819] 3 y$mem_tmp = y [L820] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L820] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L821] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L821] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L822] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L823] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L823] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L824] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L825] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L826] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 __unbuffered_p2_EBX = y [L828] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L828] 3 y = y$flush_delayed ? y$mem_tmp : y [L829] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L833] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L833] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L834] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L834] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L835] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L835] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L836] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L836] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L744] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L751] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L755] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L756] 1 y$flush_delayed = weak$$choice2 [L757] 1 y$mem_tmp = y [L758] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L758] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L759] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L759] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0) [L759] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L759] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L760] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L760] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L760] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L760] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L761] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L761] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L761] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L761] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L762] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L762] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L763] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L763] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L763] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L764] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L764] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] 1 __unbuffered_p0_EAX = y [L766] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L766] 1 y = y$flush_delayed ? y$mem_tmp : y [L767] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L771] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L771] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L772] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L772] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L773] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L773] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L774] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L774] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L799] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L799] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L800] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L800] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L801] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L802] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L803] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L803] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L839] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 3 return 0; [L806] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L861] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L866] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L866] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L867] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L867] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L868] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L868] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L869] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L869] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L872] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L873] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L874] 0 y$flush_delayed = weak$$choice2 [L875] 0 y$mem_tmp = y [L876] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L876] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L877] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L877] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L878] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L879] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L879] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L880] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L881] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L881] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L882] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L883] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L884] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L884] 0 y = y$flush_delayed ? y$mem_tmp : y [L885] 0 y$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 376087.2ms, OverallIterations: 25, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 39279.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 156588.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 133 SDtfs, 94 SDslu, 73 SDs, 0 SdLazy, 1744 SolverSat, 518 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9566.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 17342.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1040occurred in iteration=17, InterpolantAutomatonStates: 161, 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: 161.2ms SsaConstructionTime, 1678.4ms SatisfiabilityAnalysisTime, 12135.4ms InterpolantComputationTime, 428 NumberOfCodeBlocks, 428 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 4020 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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...