/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/mix057_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:38:31,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:38:31,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:38:31,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:38:31,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:38:31,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:38:31,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:38:31,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:38:31,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:38:31,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:38:31,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:38:31,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:38:31,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:38:31,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:38:31,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:38:31,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:38:31,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:38:31,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:38:31,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:38:31,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:38:31,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:38:31,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:38:31,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:38:31,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:38:31,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 22:38:31,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 22:38:31,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 22:38:31,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 22:38:31,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 22:38:31,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 22:38:31,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 22:38:31,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 22:38:31,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 22:38:31,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 22:38:31,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 22:38:31,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 22:38:31,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 22:38:31,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 22:38:31,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:38:31,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:38:31,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:38:31,983 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 [2021-04-28 22:38:32,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:38:32,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:38:32,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:38:32,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:38:32,051 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:38:32,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:38:32,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:38:32,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:38:32,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:38:32,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:38:32,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:38:32,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:38:32,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:38:32,054 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:38:32,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:38:32,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:38:32,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:38:32,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:38:32,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:38:32,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:38:32,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:38:32,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:38:32,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:38:32,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:38:32,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:38:32,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:38:32,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:38:32,058 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:38:32,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:38:32,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:38:32,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:38:32,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:38:32,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:38:32,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:38:32,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:38:32,545 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:38:32,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix057_power.opt.i [2021-04-28 22:38:32,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf8623aaa/995073b8684f44379af8521d80967b84/FLAGb222a4cf3 [2021-04-28 22:38:33,422 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:38:33,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix057_power.opt.i [2021-04-28 22:38:33,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf8623aaa/995073b8684f44379af8521d80967b84/FLAGb222a4cf3 [2021-04-28 22:38:33,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf8623aaa/995073b8684f44379af8521d80967b84 [2021-04-28 22:38:33,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:38:33,667 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:38:33,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:38:33,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:38:33,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:38:33,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:38:33" (1/1) ... [2021-04-28 22:38:33,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2154cf93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:33, skipping insertion in model container [2021-04-28 22:38:33,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:38:33" (1/1) ... [2021-04-28 22:38:33,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:38:33,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:38:33,925 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/mix057_power.opt.i[950,963] [2021-04-28 22:38:34,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:38:34,224 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:38:34,240 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/mix057_power.opt.i[950,963] [2021-04-28 22:38:34,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:38:34,452 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:38:34,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34 WrapperNode [2021-04-28 22:38:34,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:38:34,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:38:34,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:38:34,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:38:34,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34" (1/1) ... [2021-04-28 22:38:34,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34" (1/1) ... [2021-04-28 22:38:34,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:38:34,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:38:34,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:38:34,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:38:34,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34" (1/1) ... [2021-04-28 22:38:34,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34" (1/1) ... [2021-04-28 22:38:34,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34" (1/1) ... [2021-04-28 22:38:34,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34" (1/1) ... [2021-04-28 22:38:34,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34" (1/1) ... [2021-04-28 22:38:34,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34" (1/1) ... [2021-04-28 22:38:34,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34" (1/1) ... [2021-04-28 22:38:34,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:38:34,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:38:34,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:38:34,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:38:34,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34" (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 [2021-04-28 22:38:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:38:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:38:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:38:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:38:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:38:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:38:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:38:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:38:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 22:38:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 22:38:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 22:38:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 22:38:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:38:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:38:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:38:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:38:34,804 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:38:36,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:38:36,986 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:38:36,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:38:36 BoogieIcfgContainer [2021-04-28 22:38:36,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:38:36,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:38:36,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:38:36,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:38:36,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:38:33" (1/3) ... [2021-04-28 22:38:36,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a9b481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:38:36, skipping insertion in model container [2021-04-28 22:38:36,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:38:34" (2/3) ... [2021-04-28 22:38:36,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a9b481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:38:36, skipping insertion in model container [2021-04-28 22:38:36,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:38:36" (3/3) ... [2021-04-28 22:38:36,998 INFO L111 eAbstractionObserver]: Analyzing ICFG mix057_power.opt.i [2021-04-28 22:38:37,006 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:38:37,012 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:38:37,013 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:38:37,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,050 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,050 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,050 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,050 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,052 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,052 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,053 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,053 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,055 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,055 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,055 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,055 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,060 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,060 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,060 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,061 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,061 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,061 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,061 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,062 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,062 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,062 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,063 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,063 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,064 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,065 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,066 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,067 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,069 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,069 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,071 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,072 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,073 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,076 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,076 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,076 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,077 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,078 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,078 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,078 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,079 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,080 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:38:37,081 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:38:37,105 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 22:38:37,130 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:38:37,131 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:38:37,131 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:38:37,131 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:38:37,131 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:38:37,131 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:38:37,131 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:38:37,131 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:38:37,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2021-04-28 22:38:37,196 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-04-28 22:38:37,196 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:37,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-04-28 22:38:37,203 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 112 transitions, 244 flow [2021-04-28 22:38:37,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 108 transitions, 228 flow [2021-04-28 22:38:37,211 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:38:37,228 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 108 transitions, 228 flow [2021-04-28 22:38:37,232 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 108 transitions, 228 flow [2021-04-28 22:38:37,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 108 transitions, 228 flow [2021-04-28 22:38:37,264 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-04-28 22:38:37,264 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:38:37,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-04-28 22:38:37,270 INFO L146 LiptonReduction]: Number of co-enabled transitions 2406 [2021-04-28 22:38:39,057 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:38:39,597 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:38:41,866 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:38:42,911 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:38:46,443 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:38:46,574 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:38:47,181 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 22:38:47,404 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 22:38:47,844 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 22:38:50,965 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-28 22:38:51,540 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:38:52,640 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:38:53,737 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:38:54,843 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-04-28 22:38:55,390 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:38:56,509 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:38:57,673 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:38:58,884 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2021-04-28 22:38:59,475 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:39:00,665 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 22:39:01,877 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 22:39:05,102 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:39:05,713 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:39:06,918 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:39:08,138 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:39:08,777 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:39:09,387 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:39:10,689 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:39:12,023 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:39:12,663 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:39:13,378 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:39:14,753 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:39:16,088 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:39:16,770 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:39:17,440 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:39:18,857 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:39:20,251 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:39:27,412 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-04-28 22:39:28,078 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:39:29,500 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:39:30,921 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:39:31,650 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:39:32,387 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:39:33,803 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:39:35,236 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:39:35,972 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:39:36,733 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:39:39,765 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2021-04-28 22:39:41,308 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:39:43,342 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:39:43,457 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:39:43,575 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:39:43,687 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:39:43,797 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:39:43,910 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:39:44,027 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:39:44,140 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:39:45,318 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:39:45,424 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:39:45,529 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:39:45,635 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:39:45,747 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:45,857 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:45,967 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:46,077 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:46,188 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:46,300 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:46,412 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:46,524 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:46,635 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:46,746 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:46,857 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:46,981 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:48,148 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 22:39:48,317 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 22:39:48,478 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 22:39:48,647 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-28 22:39:48,825 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 22:39:49,002 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 22:39:49,180 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 22:39:49,358 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 22:39:49,471 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:49,582 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:49,694 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:49,805 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:39:51,266 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:39:51,416 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:39:51,568 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:39:51,722 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:39:51,854 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:39:51,984 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:39:52,118 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:39:52,258 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:39:52,703 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:52,841 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:52,983 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:53,128 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:53,299 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:53,462 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:53,631 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:53,803 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:39:53,937 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:39:54,076 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:39:54,208 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:39:54,343 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:39:54,465 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:39:54,585 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:39:54,719 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:39:54,842 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:39:54,998 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:39:55,159 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:39:55,319 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:39:55,475 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:39:55,644 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:39:55,811 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:39:55,971 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:39:56,131 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:39:56,273 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:56,417 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:56,563 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:56,714 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:39:56,991 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:57,247 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:57,508 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:57,762 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:58,012 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:58,264 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:58,532 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:58,801 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:59,051 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:59,302 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:59,566 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:39:59,827 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:40:00,018 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:40:00,206 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:40:00,389 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:40:00,569 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:40:00,781 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:40:00,981 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:40:01,182 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:40:01,390 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:40:01,616 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:40:01,825 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:40:02,036 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:40:02,237 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 22:40:02,472 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:40:02,709 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:40:02,940 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:40:03,179 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:40:03,425 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:40:03,672 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:40:03,922 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:40:04,170 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:40:04,391 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:40:04,614 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:40:04,844 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:40:05,069 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:40:05,309 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:40:05,550 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:40:05,795 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:40:06,043 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:40:06,740 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 22:40:07,073 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 22:40:07,741 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 22:40:08,057 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 22:40:08,749 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 22:40:09,075 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 22:40:09,758 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 22:40:10,084 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 22:40:10,347 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:40:10,607 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:40:10,868 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:40:11,122 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:40:11,344 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:40:11,559 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:40:11,782 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:40:12,006 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:40:12,201 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:40:12,389 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:40:12,587 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:40:12,782 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:40:12,967 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:40:13,163 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:40:13,339 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:40:13,516 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:40:13,588 INFO L158 LiptonReduction]: Checked pairs total: 22454 [2021-04-28 22:40:13,588 INFO L160 LiptonReduction]: Total number of compositions: 247 [2021-04-28 22:40:13,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 96383 [2021-04-28 22:40:13,622 INFO L129 PetriNetUnfolder]: 1/92 cut-off events. [2021-04-28 22:40:13,622 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:40:13,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:40:13,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:40:13,624 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:40:13,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:40:13,630 INFO L82 PathProgramCache]: Analyzing trace with hash 50815099, now seen corresponding path program 1 times [2021-04-28 22:40:13,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:40:13,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53559131] [2021-04-28 22:40:13,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:40:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:40:13,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:13,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:40:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:40:13,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53559131] [2021-04-28 22:40:13,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:40:13,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:40:13,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262223637] [2021-04-28 22:40:13,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:40:13,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:40:14,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:40:14,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:40:14,020 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 359 [2021-04-28 22:40:14,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 135 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 285.6666666666667) internal successors, (857), 3 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:14,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:40:14,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 359 [2021-04-28 22:40:14,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:40:14,428 INFO L129 PetriNetUnfolder]: 107/453 cut-off events. [2021-04-28 22:40:14,429 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:40:14,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 453 events. 107/453 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 3341 event pairs, 15 based on Foata normal form. 6/217 useless extension candidates. Maximal degree in co-relation 606. Up to 157 conditions per place. [2021-04-28 22:40:14,434 INFO L132 encePairwiseOnDemand]: 343/359 looper letters, 7 selfloop transitions, 2 changer transitions 97/146 dead transitions. [2021-04-28 22:40:14,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 146 transitions, 392 flow [2021-04-28 22:40:14,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:40:14,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:40:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2021-04-28 22:40:14,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8393686165273909 [2021-04-28 22:40:14,458 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 904 transitions. [2021-04-28 22:40:14,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 904 transitions. [2021-04-28 22:40:14,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:40:14,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 904 transitions. [2021-04-28 22:40:14,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:14,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:14,485 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:14,488 INFO L185 Difference]: Start difference. First operand has 146 places, 135 transitions, 282 flow. Second operand 3 states and 904 transitions. [2021-04-28 22:40:14,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 146 transitions, 392 flow [2021-04-28 22:40:14,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 146 transitions, 388 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 22:40:14,496 INFO L241 Difference]: Finished difference. Result has 141 places, 46 transitions, 104 flow [2021-04-28 22:40:14,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=359, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=141, PETRI_TRANSITIONS=46} [2021-04-28 22:40:14,500 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2021-04-28 22:40:14,500 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:40:14,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 46 transitions, 104 flow [2021-04-28 22:40:14,501 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 46 transitions, 104 flow [2021-04-28 22:40:14,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 46 transitions, 104 flow [2021-04-28 22:40:14,509 INFO L129 PetriNetUnfolder]: 0/46 cut-off events. [2021-04-28 22:40:14,509 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:40:14,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 139 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 22:40:14,510 INFO L146 LiptonReduction]: Number of co-enabled transitions 1278 [2021-04-28 22:40:14,601 INFO L158 LiptonReduction]: Checked pairs total: 1274 [2021-04-28 22:40:14,601 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:40:14,601 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-04-28 22:40:14,604 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 104 flow [2021-04-28 22:40:14,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 285.6666666666667) internal successors, (857), 3 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:14,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:40:14,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:40:14,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:40:14,605 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:40:14,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:40:14,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1588779353, now seen corresponding path program 1 times [2021-04-28 22:40:14,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:40:14,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721574715] [2021-04-28 22:40:14,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:40:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:40:14,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:14,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:40:14,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:40:14,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721574715] [2021-04-28 22:40:14,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:40:14,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:40:14,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667987509] [2021-04-28 22:40:14,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:40:14,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:40:14,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:40:14,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:40:14,785 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 359 [2021-04-28 22:40:14,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:14,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:40:14,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 359 [2021-04-28 22:40:14,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:40:14,820 INFO L129 PetriNetUnfolder]: 3/60 cut-off events. [2021-04-28 22:40:14,821 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:40:14,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 60 events. 3/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 207 event pairs, 1 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 74. Up to 10 conditions per place. [2021-04-28 22:40:14,822 INFO L132 encePairwiseOnDemand]: 355/359 looper letters, 3 selfloop transitions, 3 changer transitions 0/48 dead transitions. [2021-04-28 22:40:14,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 48 transitions, 120 flow [2021-04-28 22:40:14,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:40:14,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:40:14,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 745 transitions. [2021-04-28 22:40:14,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.691736304549675 [2021-04-28 22:40:14,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 745 transitions. [2021-04-28 22:40:14,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 745 transitions. [2021-04-28 22:40:14,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:40:14,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 745 transitions. [2021-04-28 22:40:14,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 248.33333333333334) internal successors, (745), 3 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:14,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:14,836 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:14,836 INFO L185 Difference]: Start difference. First operand has 57 places, 46 transitions, 104 flow. Second operand 3 states and 745 transitions. [2021-04-28 22:40:14,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 48 transitions, 120 flow [2021-04-28 22:40:14,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 48 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:40:14,839 INFO L241 Difference]: Finished difference. Result has 58 places, 48 transitions, 119 flow [2021-04-28 22:40:14,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=359, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=58, PETRI_TRANSITIONS=48} [2021-04-28 22:40:14,839 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -88 predicate places. [2021-04-28 22:40:14,840 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:40:14,840 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 48 transitions, 119 flow [2021-04-28 22:40:14,840 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 48 transitions, 119 flow [2021-04-28 22:40:14,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 48 transitions, 119 flow [2021-04-28 22:40:14,872 INFO L129 PetriNetUnfolder]: 3/58 cut-off events. [2021-04-28 22:40:14,872 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:40:14,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 58 events. 3/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 199 event pairs, 1 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 73. Up to 10 conditions per place. [2021-04-28 22:40:14,875 INFO L146 LiptonReduction]: Number of co-enabled transitions 1388 [2021-04-28 22:40:15,292 INFO L158 LiptonReduction]: Checked pairs total: 1056 [2021-04-28 22:40:15,292 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:40:15,293 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 453 [2021-04-28 22:40:15,295 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 119 flow [2021-04-28 22:40:15,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:15,296 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:40:15,296 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:40:15,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:40:15,296 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:40:15,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:40:15,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1370520947, now seen corresponding path program 1 times [2021-04-28 22:40:15,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:40:15,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832254563] [2021-04-28 22:40:15,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:40:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:40:15,477 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-04-28 22:40:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:40:15,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:15,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 22:40:15,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:40:15,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832254563] [2021-04-28 22:40:15,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:40:15,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:40:15,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4723381] [2021-04-28 22:40:15,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:40:15,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:40:15,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:40:15,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:40:15,517 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 359 [2021-04-28 22:40:15,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 119 flow. Second operand has 4 states, 4 states have (on average 214.75) internal successors, (859), 4 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:15,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:40:15,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 359 [2021-04-28 22:40:15,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:40:15,633 INFO L129 PetriNetUnfolder]: 32/153 cut-off events. [2021-04-28 22:40:15,633 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-04-28 22:40:15,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 153 events. 32/153 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 691 event pairs, 6 based on Foata normal form. 6/105 useless extension candidates. Maximal degree in co-relation 237. Up to 37 conditions per place. [2021-04-28 22:40:15,637 INFO L132 encePairwiseOnDemand]: 354/359 looper letters, 10 selfloop transitions, 4 changer transitions 0/55 dead transitions. [2021-04-28 22:40:15,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 55 transitions, 161 flow [2021-04-28 22:40:15,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:40:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:40:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 872 transitions. [2021-04-28 22:40:15,642 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6072423398328691 [2021-04-28 22:40:15,642 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 872 transitions. [2021-04-28 22:40:15,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 872 transitions. [2021-04-28 22:40:15,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:40:15,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 872 transitions. [2021-04-28 22:40:15,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 218.0) internal successors, (872), 4 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:15,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 359.0) internal successors, (1795), 5 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:15,652 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 359.0) internal successors, (1795), 5 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:15,652 INFO L185 Difference]: Start difference. First operand has 58 places, 48 transitions, 119 flow. Second operand 4 states and 872 transitions. [2021-04-28 22:40:15,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 55 transitions, 161 flow [2021-04-28 22:40:15,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 55 transitions, 158 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:40:15,655 INFO L241 Difference]: Finished difference. Result has 62 places, 50 transitions, 141 flow [2021-04-28 22:40:15,655 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=359, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=141, PETRI_PLACES=62, PETRI_TRANSITIONS=50} [2021-04-28 22:40:15,655 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -84 predicate places. [2021-04-28 22:40:15,655 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:40:15,656 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 50 transitions, 141 flow [2021-04-28 22:40:15,656 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 50 transitions, 141 flow [2021-04-28 22:40:15,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 50 transitions, 141 flow [2021-04-28 22:40:15,673 INFO L129 PetriNetUnfolder]: 13/90 cut-off events. [2021-04-28 22:40:15,674 INFO L130 PetriNetUnfolder]: For 23/25 co-relation queries the response was YES. [2021-04-28 22:40:15,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 90 events. 13/90 cut-off events. For 23/25 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 355 event pairs, 5 based on Foata normal form. 1/54 useless extension candidates. Maximal degree in co-relation 148. Up to 20 conditions per place. [2021-04-28 22:40:15,677 INFO L146 LiptonReduction]: Number of co-enabled transitions 1482 [2021-04-28 22:40:15,919 INFO L158 LiptonReduction]: Checked pairs total: 604 [2021-04-28 22:40:15,919 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:40:15,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 264 [2021-04-28 22:40:15,920 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 50 transitions, 141 flow [2021-04-28 22:40:15,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 214.75) internal successors, (859), 4 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:15,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:40:15,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:40:15,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:40:15,922 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:40:15,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:40:15,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1498534156, now seen corresponding path program 1 times [2021-04-28 22:40:15,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:40:15,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154355696] [2021-04-28 22:40:15,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:40:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:40:16,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:16,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:40:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:40:16,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154355696] [2021-04-28 22:40:16,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:40:16,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:40:16,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745304731] [2021-04-28 22:40:16,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:40:16,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:40:16,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:40:16,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:40:16,071 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 359 [2021-04-28 22:40:16,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 50 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 249.66666666666666) internal successors, (749), 3 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:16,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:40:16,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 359 [2021-04-28 22:40:16,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:40:16,136 INFO L129 PetriNetUnfolder]: 33/150 cut-off events. [2021-04-28 22:40:16,136 INFO L130 PetriNetUnfolder]: For 114/133 co-relation queries the response was YES. [2021-04-28 22:40:16,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 150 events. 33/150 cut-off events. For 114/133 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 752 event pairs, 12 based on Foata normal form. 4/101 useless extension candidates. Maximal degree in co-relation 288. Up to 42 conditions per place. [2021-04-28 22:40:16,142 INFO L132 encePairwiseOnDemand]: 355/359 looper letters, 3 selfloop transitions, 3 changer transitions 0/52 dead transitions. [2021-04-28 22:40:16,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 52 transitions, 157 flow [2021-04-28 22:40:16,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:40:16,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:40:16,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2021-04-28 22:40:16,147 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7000928505106778 [2021-04-28 22:40:16,147 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 754 transitions. [2021-04-28 22:40:16,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 754 transitions. [2021-04-28 22:40:16,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:40:16,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 754 transitions. [2021-04-28 22:40:16,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:16,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:16,157 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:16,157 INFO L185 Difference]: Start difference. First operand has 62 places, 50 transitions, 141 flow. Second operand 3 states and 754 transitions. [2021-04-28 22:40:16,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 52 transitions, 157 flow [2021-04-28 22:40:16,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 52 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:40:16,162 INFO L241 Difference]: Finished difference. Result has 63 places, 52 transitions, 155 flow [2021-04-28 22:40:16,163 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=359, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2021-04-28 22:40:16,163 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -83 predicate places. [2021-04-28 22:40:16,163 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:40:16,163 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 52 transitions, 155 flow [2021-04-28 22:40:16,164 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 52 transitions, 155 flow [2021-04-28 22:40:16,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 52 transitions, 155 flow [2021-04-28 22:40:16,201 INFO L129 PetriNetUnfolder]: 26/137 cut-off events. [2021-04-28 22:40:16,201 INFO L130 PetriNetUnfolder]: For 82/90 co-relation queries the response was YES. [2021-04-28 22:40:16,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 137 events. 26/137 cut-off events. For 82/90 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 667 event pairs, 10 based on Foata normal form. 1/83 useless extension candidates. Maximal degree in co-relation 256. Up to 36 conditions per place. [2021-04-28 22:40:16,205 INFO L146 LiptonReduction]: Number of co-enabled transitions 1580 [2021-04-28 22:40:16,249 INFO L158 LiptonReduction]: Checked pairs total: 320 [2021-04-28 22:40:16,249 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:40:16,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-04-28 22:40:16,251 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 155 flow [2021-04-28 22:40:16,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 249.66666666666666) internal successors, (749), 3 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:16,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:40:16,252 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:40:16,253 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:40:16,253 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:40:16,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:40:16,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1451587792, now seen corresponding path program 1 times [2021-04-28 22:40:16,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:40:16,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73513867] [2021-04-28 22:40:16,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:40:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:40:16,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:16,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:40:16,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:16,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:40:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:40:16,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73513867] [2021-04-28 22:40:16,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:40:16,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:40:16,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121725575] [2021-04-28 22:40:16,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:40:16,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:40:16,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:40:16,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:40:16,372 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 359 [2021-04-28 22:40:16,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:16,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:40:16,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 359 [2021-04-28 22:40:16,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:40:16,432 INFO L129 PetriNetUnfolder]: 24/163 cut-off events. [2021-04-28 22:40:16,433 INFO L130 PetriNetUnfolder]: For 241/362 co-relation queries the response was YES. [2021-04-28 22:40:16,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 163 events. 24/163 cut-off events. For 241/362 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 893 event pairs, 10 based on Foata normal form. 9/109 useless extension candidates. Maximal degree in co-relation 316. Up to 40 conditions per place. [2021-04-28 22:40:16,435 INFO L132 encePairwiseOnDemand]: 356/359 looper letters, 3 selfloop transitions, 3 changer transitions 0/52 dead transitions. [2021-04-28 22:40:16,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 52 transitions, 167 flow [2021-04-28 22:40:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:40:16,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:40:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2021-04-28 22:40:16,440 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6991643454038997 [2021-04-28 22:40:16,440 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 753 transitions. [2021-04-28 22:40:16,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 753 transitions. [2021-04-28 22:40:16,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:40:16,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 753 transitions. [2021-04-28 22:40:16,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:16,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:16,449 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:16,449 INFO L185 Difference]: Start difference. First operand has 63 places, 52 transitions, 155 flow. Second operand 3 states and 753 transitions. [2021-04-28 22:40:16,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 52 transitions, 167 flow [2021-04-28 22:40:16,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 52 transitions, 164 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:40:16,452 INFO L241 Difference]: Finished difference. Result has 65 places, 52 transitions, 163 flow [2021-04-28 22:40:16,453 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=359, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=163, PETRI_PLACES=65, PETRI_TRANSITIONS=52} [2021-04-28 22:40:16,453 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -81 predicate places. [2021-04-28 22:40:16,453 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:40:16,453 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 52 transitions, 163 flow [2021-04-28 22:40:16,454 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 52 transitions, 163 flow [2021-04-28 22:40:16,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 163 flow [2021-04-28 22:40:16,480 INFO L129 PetriNetUnfolder]: 20/144 cut-off events. [2021-04-28 22:40:16,481 INFO L130 PetriNetUnfolder]: For 129/148 co-relation queries the response was YES. [2021-04-28 22:40:16,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 144 events. 20/144 cut-off events. For 129/148 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 766 event pairs, 9 based on Foata normal form. 1/84 useless extension candidates. Maximal degree in co-relation 273. Up to 33 conditions per place. [2021-04-28 22:40:16,486 INFO L146 LiptonReduction]: Number of co-enabled transitions 1578 [2021-04-28 22:40:16,508 INFO L158 LiptonReduction]: Checked pairs total: 320 [2021-04-28 22:40:16,508 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:40:16,508 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-04-28 22:40:16,510 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 52 transitions, 163 flow [2021-04-28 22:40:16,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:16,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:40:16,511 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:40:16,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:40:16,511 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:40:16,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:40:16,512 INFO L82 PathProgramCache]: Analyzing trace with hash 418212165, now seen corresponding path program 1 times [2021-04-28 22:40:16,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:40:16,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383528947] [2021-04-28 22:40:16,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:40:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:40:16,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:16,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 22:40:16,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:16,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:40:16,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:16,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:40:16,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:16,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 22:40:16,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:16,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 22:40:16,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:40:16,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383528947] [2021-04-28 22:40:16,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:40:16,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:40:16,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613657029] [2021-04-28 22:40:16,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:40:16,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:40:16,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:40:16,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:40:16,693 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 359 [2021-04-28 22:40:16,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 52 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:16,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:40:16,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 359 [2021-04-28 22:40:16,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:40:16,997 INFO L129 PetriNetUnfolder]: 61/337 cut-off events. [2021-04-28 22:40:16,997 INFO L130 PetriNetUnfolder]: For 327/362 co-relation queries the response was YES. [2021-04-28 22:40:17,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 684 conditions, 337 events. 61/337 cut-off events. For 327/362 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2404 event pairs, 6 based on Foata normal form. 11/226 useless extension candidates. Maximal degree in co-relation 669. Up to 68 conditions per place. [2021-04-28 22:40:17,003 INFO L132 encePairwiseOnDemand]: 353/359 looper letters, 7 selfloop transitions, 12 changer transitions 0/62 dead transitions. [2021-04-28 22:40:17,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 62 transitions, 230 flow [2021-04-28 22:40:17,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:40:17,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:40:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1496 transitions. [2021-04-28 22:40:17,010 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5953044170314366 [2021-04-28 22:40:17,010 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1496 transitions. [2021-04-28 22:40:17,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1496 transitions. [2021-04-28 22:40:17,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:40:17,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1496 transitions. [2021-04-28 22:40:17,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 213.71428571428572) internal successors, (1496), 7 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:17,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 359.0) internal successors, (2872), 8 states have internal predecessors, (2872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:17,023 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 359.0) internal successors, (2872), 8 states have internal predecessors, (2872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:17,024 INFO L185 Difference]: Start difference. First operand has 65 places, 52 transitions, 163 flow. Second operand 7 states and 1496 transitions. [2021-04-28 22:40:17,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 62 transitions, 230 flow [2021-04-28 22:40:17,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 62 transitions, 225 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 22:40:17,028 INFO L241 Difference]: Finished difference. Result has 72 places, 58 transitions, 221 flow [2021-04-28 22:40:17,028 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=359, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=221, PETRI_PLACES=72, PETRI_TRANSITIONS=58} [2021-04-28 22:40:17,029 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -74 predicate places. [2021-04-28 22:40:17,029 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:40:17,029 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 58 transitions, 221 flow [2021-04-28 22:40:17,029 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 58 transitions, 221 flow [2021-04-28 22:40:17,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 58 transitions, 221 flow [2021-04-28 22:40:17,062 INFO L129 PetriNetUnfolder]: 16/178 cut-off events. [2021-04-28 22:40:17,062 INFO L130 PetriNetUnfolder]: For 230/245 co-relation queries the response was YES. [2021-04-28 22:40:17,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 178 events. 16/178 cut-off events. For 230/245 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1128 event pairs, 7 based on Foata normal form. 1/102 useless extension candidates. Maximal degree in co-relation 391. Up to 37 conditions per place. [2021-04-28 22:40:17,069 INFO L146 LiptonReduction]: Number of co-enabled transitions 1876 [2021-04-28 22:40:19,233 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 238 DAG size of output: 184 [2021-04-28 22:40:19,834 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-04-28 22:40:24,725 WARN L205 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 339 DAG size of output: 264 [2021-04-28 22:40:26,087 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 244 [2021-04-28 22:40:26,606 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-04-28 22:40:26,810 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:40:27,881 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-04-28 22:40:28,240 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:40:29,224 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:40:29,457 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:40:29,860 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:40:30,294 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:40:30,305 INFO L158 LiptonReduction]: Checked pairs total: 909 [2021-04-28 22:40:30,305 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-28 22:40:30,306 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13277 [2021-04-28 22:40:30,307 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 60 transitions, 227 flow [2021-04-28 22:40:30,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:30,308 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:40:30,308 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:40:30,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:40:30,308 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:40:30,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:40:30,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1738438087, now seen corresponding path program 1 times [2021-04-28 22:40:30,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:40:30,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911062872] [2021-04-28 22:40:30,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:40:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:40:30,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:30,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:40:30,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:30,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:40:30,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:30,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:40:30,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:40:30,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911062872] [2021-04-28 22:40:30,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:40:30,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:40:30,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036900205] [2021-04-28 22:40:30,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:40:30,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:40:30,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:40:30,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:40:30,417 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2021-04-28 22:40:30,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 60 transitions, 227 flow. Second operand has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:30,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:40:30,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2021-04-28 22:40:30,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:40:40,855 INFO L129 PetriNetUnfolder]: 61981/87988 cut-off events. [2021-04-28 22:40:40,855 INFO L130 PetriNetUnfolder]: For 47099/59686 co-relation queries the response was YES. [2021-04-28 22:40:41,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181177 conditions, 87988 events. 61981/87988 cut-off events. For 47099/59686 co-relation queries the response was YES. Maximal size of possible extension queue 17049. Compared 796531 event pairs, 34851 based on Foata normal form. 568/22630 useless extension candidates. Maximal degree in co-relation 181159. Up to 57382 conditions per place. [2021-04-28 22:40:41,669 INFO L132 encePairwiseOnDemand]: 341/362 looper letters, 35 selfloop transitions, 33 changer transitions 0/104 dead transitions. [2021-04-28 22:40:41,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 104 transitions, 451 flow [2021-04-28 22:40:41,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:40:41,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:40:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1408 transitions. [2021-04-28 22:40:41,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7779005524861878 [2021-04-28 22:40:41,677 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1408 transitions. [2021-04-28 22:40:41,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1408 transitions. [2021-04-28 22:40:41,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:40:41,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1408 transitions. [2021-04-28 22:40:41,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 281.6) internal successors, (1408), 5 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:41,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 362.0) internal successors, (2172), 6 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:41,689 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 362.0) internal successors, (2172), 6 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:41,689 INFO L185 Difference]: Start difference. First operand has 74 places, 60 transitions, 227 flow. Second operand 5 states and 1408 transitions. [2021-04-28 22:40:41,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 104 transitions, 451 flow [2021-04-28 22:40:41,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 104 transitions, 448 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 22:40:41,706 INFO L241 Difference]: Finished difference. Result has 80 places, 91 transitions, 472 flow [2021-04-28 22:40:41,706 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=472, PETRI_PLACES=80, PETRI_TRANSITIONS=91} [2021-04-28 22:40:41,706 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -66 predicate places. [2021-04-28 22:40:41,706 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:40:41,707 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 91 transitions, 472 flow [2021-04-28 22:40:41,707 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 91 transitions, 472 flow [2021-04-28 22:40:41,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 91 transitions, 472 flow [2021-04-28 22:40:48,890 INFO L129 PetriNetUnfolder]: 50424/71560 cut-off events. [2021-04-28 22:40:48,890 INFO L130 PetriNetUnfolder]: For 60109/345667 co-relation queries the response was YES. [2021-04-28 22:40:49,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208987 conditions, 71560 events. 50424/71560 cut-off events. For 60109/345667 co-relation queries the response was YES. Maximal size of possible extension queue 13191. Compared 651324 event pairs, 30711 based on Foata normal form. 13/18702 useless extension candidates. Maximal degree in co-relation 208967. Up to 70076 conditions per place. [2021-04-28 22:40:50,072 INFO L146 LiptonReduction]: Number of co-enabled transitions 3036 [2021-04-28 22:40:50,119 INFO L158 LiptonReduction]: Checked pairs total: 330 [2021-04-28 22:40:50,119 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:40:50,120 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8414 [2021-04-28 22:40:50,121 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 91 transitions, 472 flow [2021-04-28 22:40:50,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 268.75) internal successors, (1075), 4 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:50,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:40:50,122 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:40:50,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:40:50,122 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:40:50,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:40:50,122 INFO L82 PathProgramCache]: Analyzing trace with hash -720889288, now seen corresponding path program 1 times [2021-04-28 22:40:50,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:40:50,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901726796] [2021-04-28 22:40:50,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:40:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:40:50,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:40:50,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:50,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:40:50,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:40:50,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:40:50,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:40:50,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901726796] [2021-04-28 22:40:50,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:40:50,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:40:50,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563551656] [2021-04-28 22:40:50,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:40:50,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:40:50,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:40:50,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:40:50,299 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2021-04-28 22:40:50,300 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 91 transitions, 472 flow. Second operand has 5 states, 5 states have (on average 268.8) internal successors, (1344), 5 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:40:50,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:40:50,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2021-04-28 22:40:50,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:41:01,690 INFO L129 PetriNetUnfolder]: 70363/103978 cut-off events. [2021-04-28 22:41:01,691 INFO L130 PetriNetUnfolder]: For 89689/2143468 co-relation queries the response was YES. [2021-04-28 22:41:02,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 403735 conditions, 103978 events. 70363/103978 cut-off events. For 89689/2143468 co-relation queries the response was YES. Maximal size of possible extension queue 21753. Compared 994845 event pairs, 15597 based on Foata normal form. 734/30292 useless extension candidates. Maximal degree in co-relation 403713. Up to 99593 conditions per place. [2021-04-28 22:41:02,402 INFO L132 encePairwiseOnDemand]: 341/362 looper letters, 36 selfloop transitions, 64 changer transitions 0/136 dead transitions. [2021-04-28 22:41:02,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 136 transitions, 921 flow [2021-04-28 22:41:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:41:02,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:41:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1974 transitions. [2021-04-28 22:41:02,411 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7790055248618785 [2021-04-28 22:41:02,411 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1974 transitions. [2021-04-28 22:41:02,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1974 transitions. [2021-04-28 22:41:02,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:41:02,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1974 transitions. [2021-04-28 22:41:02,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 282.0) internal successors, (1974), 7 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:02,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 362.0) internal successors, (2896), 8 states have internal predecessors, (2896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:02,428 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 362.0) internal successors, (2896), 8 states have internal predecessors, (2896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:02,428 INFO L185 Difference]: Start difference. First operand has 80 places, 91 transitions, 472 flow. Second operand 7 states and 1974 transitions. [2021-04-28 22:41:02,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 136 transitions, 921 flow [2021-04-28 22:41:02,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 136 transitions, 921 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:41:02,636 INFO L241 Difference]: Finished difference. Result has 89 places, 122 transitions, 916 flow [2021-04-28 22:41:02,636 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=916, PETRI_PLACES=89, PETRI_TRANSITIONS=122} [2021-04-28 22:41:02,636 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -57 predicate places. [2021-04-28 22:41:02,636 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:41:02,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 122 transitions, 916 flow [2021-04-28 22:41:02,637 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 122 transitions, 916 flow [2021-04-28 22:41:02,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 122 transitions, 916 flow [2021-04-28 22:41:12,735 INFO L129 PetriNetUnfolder]: 60580/89525 cut-off events. [2021-04-28 22:41:12,735 INFO L130 PetriNetUnfolder]: For 411709/1517303 co-relation queries the response was YES. [2021-04-28 22:41:13,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 429633 conditions, 89525 events. 60580/89525 cut-off events. For 411709/1517303 co-relation queries the response was YES. Maximal size of possible extension queue 18075. Compared 874244 event pairs, 15156 based on Foata normal form. 8/24323 useless extension candidates. Maximal degree in co-relation 429608. Up to 87857 conditions per place. [2021-04-28 22:41:14,211 INFO L146 LiptonReduction]: Number of co-enabled transitions 4230 [2021-04-28 22:41:14,297 INFO L158 LiptonReduction]: Checked pairs total: 455 [2021-04-28 22:41:14,297 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:41:14,298 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11662 [2021-04-28 22:41:14,299 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 122 transitions, 916 flow [2021-04-28 22:41:14,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 268.8) internal successors, (1344), 5 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:14,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:41:14,300 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:41:14,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 22:41:14,300 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:41:14,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:41:14,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1706462308, now seen corresponding path program 1 times [2021-04-28 22:41:14,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:41:14,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326514007] [2021-04-28 22:41:14,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:41:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:41:14,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:41:14,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:41:14,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:41:14,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:41:14,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:41:14,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:41:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:41:14,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326514007] [2021-04-28 22:41:14,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:41:14,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:41:14,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121486134] [2021-04-28 22:41:14,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:41:14,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:41:14,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:41:14,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:41:14,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 362 [2021-04-28 22:41:14,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 122 transitions, 916 flow. Second operand has 4 states, 4 states have (on average 251.0) internal successors, (1004), 4 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:14,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:41:14,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 362 [2021-04-28 22:41:14,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:41:38,865 INFO L129 PetriNetUnfolder]: 134203/196814 cut-off events. [2021-04-28 22:41:38,865 INFO L130 PetriNetUnfolder]: For 1033008/4744581 co-relation queries the response was YES. [2021-04-28 22:41:39,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 942046 conditions, 196814 events. 134203/196814 cut-off events. For 1033008/4744581 co-relation queries the response was YES. Maximal size of possible extension queue 40422. Compared 1999529 event pairs, 30474 based on Foata normal form. 595/53931 useless extension candidates. Maximal degree in co-relation 942019. Up to 193691 conditions per place. [2021-04-28 22:41:40,115 INFO L132 encePairwiseOnDemand]: 359/362 looper letters, 4 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2021-04-28 22:41:40,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 124 transitions, 954 flow [2021-04-28 22:41:40,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:41:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:41:40,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1007 transitions. [2021-04-28 22:41:40,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6954419889502762 [2021-04-28 22:41:40,121 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1007 transitions. [2021-04-28 22:41:40,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1007 transitions. [2021-04-28 22:41:40,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:41:40,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1007 transitions. [2021-04-28 22:41:40,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 251.75) internal successors, (1007), 4 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:40,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 362.0) internal successors, (1810), 5 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:40,129 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 362.0) internal successors, (1810), 5 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:41:40,130 INFO L185 Difference]: Start difference. First operand has 89 places, 122 transitions, 916 flow. Second operand 4 states and 1007 transitions. [2021-04-28 22:41:40,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 124 transitions, 954 flow [2021-04-28 22:41:59,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 124 transitions, 792 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 22:41:59,181 INFO L241 Difference]: Finished difference. Result has 91 places, 123 transitions, 767 flow [2021-04-28 22:41:59,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=767, PETRI_PLACES=91, PETRI_TRANSITIONS=123} [2021-04-28 22:41:59,181 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -55 predicate places. [2021-04-28 22:41:59,182 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:41:59,182 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 123 transitions, 767 flow [2021-04-28 22:41:59,182 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 123 transitions, 767 flow [2021-04-28 22:41:59,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 123 transitions, 767 flow [2021-04-28 22:42:20,833 INFO L129 PetriNetUnfolder]: 120782/177101 cut-off events. [2021-04-28 22:42:20,833 INFO L130 PetriNetUnfolder]: For 256375/915186 co-relation queries the response was YES. [2021-04-28 22:42:21,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 812589 conditions, 177101 events. 120782/177101 cut-off events. For 256375/915186 co-relation queries the response was YES. Maximal size of possible extension queue 34951. Compared 1813432 event pairs, 29661 based on Foata normal form. 91/47116 useless extension candidates. Maximal degree in co-relation 812563. Up to 158893 conditions per place. [2021-04-28 22:42:23,614 INFO L146 LiptonReduction]: Number of co-enabled transitions 4346 [2021-04-28 22:42:23,898 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 22:42:23,898 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:42:23,898 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24716 [2021-04-28 22:42:23,899 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 123 transitions, 767 flow [2021-04-28 22:42:23,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 251.0) internal successors, (1004), 4 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:42:23,900 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:42:23,900 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:42:23,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 22:42:23,900 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:42:23,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:42:23,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1725178356, now seen corresponding path program 1 times [2021-04-28 22:42:23,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:42:23,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138134927] [2021-04-28 22:42:23,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:42:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:42:23,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:42:23,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:42:23,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:42:23,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:42:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:42:23,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138134927] [2021-04-28 22:42:23,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:42:23,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:42:23,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855349573] [2021-04-28 22:42:23,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:42:23,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:42:23,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:42:23,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:42:23,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 362 [2021-04-28 22:42:23,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 123 transitions, 767 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:42:23,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:42:23,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 362 [2021-04-28 22:42:23,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:43:12,979 INFO L129 PetriNetUnfolder]: 222836/324209 cut-off events. [2021-04-28 22:43:12,980 INFO L130 PetriNetUnfolder]: For 443473/2049598 co-relation queries the response was YES. [2021-04-28 22:43:15,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1492151 conditions, 324209 events. 222836/324209 cut-off events. For 443473/2049598 co-relation queries the response was YES. Maximal size of possible extension queue 64854. Compared 3378989 event pairs, 56808 based on Foata normal form. 650/88570 useless extension candidates. Maximal degree in co-relation 1492123. Up to 294904 conditions per place. [2021-04-28 22:43:15,653 INFO L132 encePairwiseOnDemand]: 359/362 looper letters, 3 selfloop transitions, 3 changer transitions 0/123 dead transitions. [2021-04-28 22:43:15,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 123 transitions, 779 flow [2021-04-28 22:43:15,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:43:15,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:43:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2021-04-28 22:43:15,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6906077348066298 [2021-04-28 22:43:15,679 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 750 transitions. [2021-04-28 22:43:15,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 750 transitions. [2021-04-28 22:43:15,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:43:15,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 750 transitions. [2021-04-28 22:43:15,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:43:15,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:43:15,688 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 362.0) internal successors, (1448), 4 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:43:15,688 INFO L185 Difference]: Start difference. First operand has 91 places, 123 transitions, 767 flow. Second operand 3 states and 750 transitions. [2021-04-28 22:43:15,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 123 transitions, 779 flow [2021-04-28 22:43:40,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 123 transitions, 778 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:43:40,810 INFO L241 Difference]: Finished difference. Result has 93 places, 123 transitions, 777 flow [2021-04-28 22:43:40,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=777, PETRI_PLACES=93, PETRI_TRANSITIONS=123} [2021-04-28 22:43:40,810 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -53 predicate places. [2021-04-28 22:43:40,810 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:43:40,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 123 transitions, 777 flow [2021-04-28 22:43:40,811 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 123 transitions, 777 flow [2021-04-28 22:43:40,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 123 transitions, 777 flow [2021-04-28 22:44:28,251 INFO L129 PetriNetUnfolder]: 223634/324229 cut-off events. [2021-04-28 22:44:28,252 INFO L130 PetriNetUnfolder]: For 429578/2220958 co-relation queries the response was YES. [2021-04-28 22:44:30,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1494550 conditions, 324229 events. 223634/324229 cut-off events. For 429578/2220958 co-relation queries the response was YES. Maximal size of possible extension queue 64798. Compared 3436695 event pairs, 56841 based on Foata normal form. 95/86219 useless extension candidates. Maximal degree in co-relation 1494523. Up to 295765 conditions per place. [2021-04-28 22:44:34,117 INFO L146 LiptonReduction]: Number of co-enabled transitions 4344 [2021-04-28 22:44:34,549 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 22:44:34,549 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:44:34,549 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53739 [2021-04-28 22:44:34,550 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 123 transitions, 777 flow [2021-04-28 22:44:34,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:44:34,551 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:44:34,551 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:44:34,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 22:44:34,551 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:44:34,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:44:34,551 INFO L82 PathProgramCache]: Analyzing trace with hash 35579687, now seen corresponding path program 1 times [2021-04-28 22:44:34,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:44:34,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029717984] [2021-04-28 22:44:34,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:44:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:44:34,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:44:34,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:44:34,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:44:34,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:44:34,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:44:34,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:44:34,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:44:34,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:44:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:44:34,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029717984] [2021-04-28 22:44:34,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:44:34,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:44:34,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682822518] [2021-04-28 22:44:34,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:44:34,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:44:34,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:44:34,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:44:34,667 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2021-04-28 22:44:34,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 123 transitions, 777 flow. Second operand has 6 states, 6 states have (on average 268.8333333333333) internal successors, (1613), 6 states have internal predecessors, (1613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:44:34,669 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:44:34,669 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2021-04-28 22:44:34,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:45:35,165 INFO L129 PetriNetUnfolder]: 237335/360731 cut-off events. [2021-04-28 22:45:35,165 INFO L130 PetriNetUnfolder]: For 433809/5368052 co-relation queries the response was YES. [2021-04-28 22:45:37,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2008448 conditions, 360731 events. 237335/360731 cut-off events. For 433809/5368052 co-relation queries the response was YES. Maximal size of possible extension queue 74727. Compared 4033364 event pairs, 10449 based on Foata normal form. 1386/107088 useless extension candidates. Maximal degree in co-relation 2008419. Up to 323740 conditions per place. [2021-04-28 22:45:37,770 INFO L132 encePairwiseOnDemand]: 341/362 looper letters, 25 selfloop transitions, 95 changer transitions 12/169 dead transitions. [2021-04-28 22:45:37,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 169 transitions, 1450 flow [2021-04-28 22:45:37,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 22:45:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 22:45:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2540 transitions. [2021-04-28 22:45:37,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7796193984039288 [2021-04-28 22:45:37,781 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2540 transitions. [2021-04-28 22:45:37,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2540 transitions. [2021-04-28 22:45:37,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:45:37,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2540 transitions. [2021-04-28 22:45:37,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 282.22222222222223) internal successors, (2540), 9 states have internal predecessors, (2540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:45:37,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 362.0) internal successors, (3620), 10 states have internal predecessors, (3620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:45:37,800 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 362.0) internal successors, (3620), 10 states have internal predecessors, (3620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:45:37,800 INFO L185 Difference]: Start difference. First operand has 93 places, 123 transitions, 777 flow. Second operand 9 states and 2540 transitions. [2021-04-28 22:45:37,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 169 transitions, 1450 flow [2021-04-28 22:46:06,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 169 transitions, 1445 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 22:46:06,237 INFO L241 Difference]: Finished difference. Result has 103 places, 154 transitions, 1364 flow [2021-04-28 22:46:06,237 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1364, PETRI_PLACES=103, PETRI_TRANSITIONS=154} [2021-04-28 22:46:06,237 INFO L343 CegarLoopForPetriNet]: 146 programPoint places, -43 predicate places. [2021-04-28 22:46:06,238 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:46:06,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 154 transitions, 1364 flow [2021-04-28 22:46:06,238 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 154 transitions, 1364 flow [2021-04-28 22:46:06,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 154 transitions, 1364 flow [2021-04-28 22:46:43,760 INFO L129 PetriNetUnfolder]: 148016/242792 cut-off events. [2021-04-28 22:46:43,760 INFO L130 PetriNetUnfolder]: For 3861883/6899743 co-relation queries the response was YES. [2021-04-28 22:46:45,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1460736 conditions, 242792 events. 148016/242792 cut-off events. For 3861883/6899743 co-relation queries the response was YES. Maximal size of possible extension queue 55664. Compared 3074618 event pairs, 10476 based on Foata normal form. 40/62782 useless extension candidates. Maximal degree in co-relation 1460705. Up to 211345 conditions per place. [2021-04-28 22:46:48,514 INFO L146 LiptonReduction]: Number of co-enabled transitions 4856 [2021-04-28 22:46:48,871 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 22:46:48,872 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:46:48,872 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42634 [2021-04-28 22:46:48,873 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 154 transitions, 1364 flow [2021-04-28 22:46:48,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 268.8333333333333) internal successors, (1613), 6 states have internal predecessors, (1613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:46:48,874 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:46:48,874 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] [2021-04-28 22:46:48,874 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 22:46:48,875 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:46:48,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:46:48,875 INFO L82 PathProgramCache]: Analyzing trace with hash -900483130, now seen corresponding path program 1 times [2021-04-28 22:46:48,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:46:48,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867708427] [2021-04-28 22:46:48,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:46:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:46:48,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:46:48,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:46:48,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:46:48,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:46:48,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:46:48,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:46:48,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:46:48,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:46:49,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:46:49,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 22:46:49,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:46:49,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867708427] [2021-04-28 22:46:49,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:46:49,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:46:49,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018798679] [2021-04-28 22:46:49,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:46:49,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:46:49,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:46:49,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:46:49,025 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 362 [2021-04-28 22:46:49,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 154 transitions, 1364 flow. Second operand has 7 states, 7 states have (on average 268.85714285714283) internal successors, (1882), 7 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:46:49,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:46:49,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 362 [2021-04-28 22:46:49,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:47:33,855 INFO L129 PetriNetUnfolder]: 143672/246683 cut-off events. [2021-04-28 22:47:33,856 INFO L130 PetriNetUnfolder]: For 669227/7505005 co-relation queries the response was YES. [2021-04-28 22:47:35,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1714655 conditions, 246683 events. 143672/246683 cut-off events. For 669227/7505005 co-relation queries the response was YES. Maximal size of possible extension queue 56412. Compared 3216645 event pairs, 0 based on Foata normal form. 1211/70085 useless extension candidates. Maximal degree in co-relation 1714622. Up to 210043 conditions per place. [2021-04-28 22:47:35,756 INFO L132 encePairwiseOnDemand]: 341/362 looper letters, 6 selfloop transitions, 104 changer transitions 39/177 dead transitions. [2021-04-28 22:47:35,757 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 177 transitions, 1854 flow [2021-04-28 22:47:35,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 22:47:35,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 22:47:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3082 transitions. [2021-04-28 22:47:35,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7739829231541939 [2021-04-28 22:47:35,914 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3082 transitions. [2021-04-28 22:47:35,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3082 transitions. [2021-04-28 22:47:35,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:47:35,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3082 transitions. [2021-04-28 22:47:35,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 280.1818181818182) internal successors, (3082), 11 states have internal predecessors, (3082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:47:35,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 362.0) internal successors, (4344), 12 states have internal predecessors, (4344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:47:35,936 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 362.0) internal successors, (4344), 12 states have internal predecessors, (4344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:47:35,937 INFO L185 Difference]: Start difference. First operand has 103 places, 154 transitions, 1364 flow. Second operand 11 states and 3082 transitions. [2021-04-28 22:47:35,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 177 transitions, 1854 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown