/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix030_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 06:12:24,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 06:12:24,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 06:12:24,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 06:12:24,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 06:12:24,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 06:12:24,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 06:12:24,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 06:12:24,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 06:12:24,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 06:12:24,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 06:12:24,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 06:12:24,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 06:12:24,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 06:12:24,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 06:12:24,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 06:12:24,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 06:12:24,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 06:12:24,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 06:12:24,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 06:12:24,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 06:12:24,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 06:12:24,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 06:12:24,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 06:12:24,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 06:12:24,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 06:12:24,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 06:12:24,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 06:12:24,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 06:12:24,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 06:12:24,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 06:12:24,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 06:12:24,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 06:12:24,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 06:12:24,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 06:12:24,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 06:12:24,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 06:12:24,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 06:12:24,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 06:12:24,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 06:12:24,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 06:12:24,504 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-RepeatedSemanticLbe.epf [2021-06-11 06:12:24,537 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 06:12:24,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 06:12:24,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 06:12:24,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 06:12:24,540 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 06:12:24,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 06:12:24,541 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 06:12:24,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 06:12:24,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 06:12:24,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 06:12:24,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 06:12:24,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 06:12:24,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 06:12:24,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 06:12:24,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 06:12:24,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 06:12:24,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 06:12:24,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 06:12:24,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 06:12:24,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 06:12:24,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 06:12:24,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:12:24,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 06:12:24,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 06:12:24,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 06:12:24,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 06:12:24,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 06:12:24,545 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 06:12:24,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 06:12:24,545 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 06:12:24,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 06:12:24,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 06:12:24,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 06:12:24,895 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 06:12:24,896 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 06:12:24,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_pso.opt.i [2021-06-11 06:12:24,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f894b8e3/2f876313bc594c11941f36b53c59f44a/FLAGb3e2a5ecc [2021-06-11 06:12:25,464 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 06:12:25,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_pso.opt.i [2021-06-11 06:12:25,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f894b8e3/2f876313bc594c11941f36b53c59f44a/FLAGb3e2a5ecc [2021-06-11 06:12:25,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f894b8e3/2f876313bc594c11941f36b53c59f44a [2021-06-11 06:12:25,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 06:12:25,940 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 06:12:25,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 06:12:25,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 06:12:25,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 06:12:25,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:12:25" (1/1) ... [2021-06-11 06:12:25,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6b14f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:25, skipping insertion in model container [2021-06-11 06:12:25,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:12:25" (1/1) ... [2021-06-11 06:12:25,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 06:12:26,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 06:12:26,160 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/mix030_pso.opt.i[948,961] [2021-06-11 06:12:26,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:12:26,406 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 06:12:26,417 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/mix030_pso.opt.i[948,961] [2021-06-11 06:12:26,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:12:26,561 INFO L208 MainTranslator]: Completed translation [2021-06-11 06:12:26,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26 WrapperNode [2021-06-11 06:12:26,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 06:12:26,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 06:12:26,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 06:12:26,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 06:12:26,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26" (1/1) ... [2021-06-11 06:12:26,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26" (1/1) ... [2021-06-11 06:12:26,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 06:12:26,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 06:12:26,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 06:12:26,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 06:12:26,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26" (1/1) ... [2021-06-11 06:12:26,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26" (1/1) ... [2021-06-11 06:12:26,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26" (1/1) ... [2021-06-11 06:12:26,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26" (1/1) ... [2021-06-11 06:12:26,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26" (1/1) ... [2021-06-11 06:12:26,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26" (1/1) ... [2021-06-11 06:12:26,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26" (1/1) ... [2021-06-11 06:12:26,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 06:12:26,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 06:12:26,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 06:12:26,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 06:12:26,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26" (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 [2021-06-11 06:12:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 06:12:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 06:12:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 06:12:26,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 06:12:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 06:12:26,756 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 06:12:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 06:12:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 06:12:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 06:12:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 06:12:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-11 06:12:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-11 06:12:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 06:12:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 06:12:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 06:12:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 06:12:26,759 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 06:12:28,469 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 06:12:28,469 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 06:12:28,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:12:28 BoogieIcfgContainer [2021-06-11 06:12:28,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 06:12:28,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 06:12:28,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 06:12:28,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 06:12:28,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:12:25" (1/3) ... [2021-06-11 06:12:28,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b918c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:12:28, skipping insertion in model container [2021-06-11 06:12:28,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:12:26" (2/3) ... [2021-06-11 06:12:28,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b918c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:12:28, skipping insertion in model container [2021-06-11 06:12:28,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:12:28" (3/3) ... [2021-06-11 06:12:28,477 INFO L111 eAbstractionObserver]: Analyzing ICFG mix030_pso.opt.i [2021-06-11 06:12:28,483 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 06:12:28,487 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 06:12:28,487 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 06:12:28,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,516 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,516 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,517 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,517 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,518 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,518 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,518 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,518 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,521 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,521 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,522 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,522 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,522 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,522 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,523 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,523 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,526 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,526 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,526 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,527 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,527 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,529 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,529 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,529 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,529 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,531 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,532 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,532 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,535 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,536 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,536 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,538 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,538 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:12:28,539 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 06:12:28,556 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 06:12:28,573 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 06:12:28,573 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 06:12:28,573 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 06:12:28,573 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 06:12:28,573 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 06:12:28,573 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 06:12:28,573 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 06:12:28,574 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 06:12:28,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-06-11 06:12:28,617 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-06-11 06:12:28,618 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:28,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-06-11 06:12:28,622 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-06-11 06:12:28,626 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-06-11 06:12:28,628 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:28,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-06-11 06:12:28,642 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-06-11 06:12:28,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-06-11 06:12:28,662 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-06-11 06:12:28,663 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:28,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-06-11 06:12:28,667 INFO L151 LiptonReduction]: Number of co-enabled transitions 2630 [2021-06-11 06:12:28,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:28,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:28,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:28,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:28,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:28,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:28,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:28,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:28,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:28,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:28,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:29,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:29,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:29,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,646 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:12:29,646 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:29,672 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:29,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:29,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:30,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:30,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:30,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:30,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:30,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:30,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:30,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:30,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:30,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,656 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:12:30,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:30,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:30,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:31,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:31,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:31,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:31,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:31,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:31,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:31,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:31,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:31,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:31,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:31,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:31,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:31,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:31,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:31,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:31,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:31,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:31,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:31,592 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 06:12:32,061 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-06-11 06:12:32,196 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-11 06:12:32,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:32,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 06:12:32,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:32,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,224 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 2, 1] term [2021-06-11 06:12:32,224 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:32,227 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,229 INFO L147 QuantifierPusher]: treesize reduction 39, result has 69.0 percent of original size 87 [2021-06-11 06:12:32,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:32,231 INFO L142 QuantifierPusher]: treesize reduction 39, result has 75.6 percent of original size [2021-06-11 06:12:32,232 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 4, 2, 1] term [2021-06-11 06:12:32,232 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:32,234 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,236 INFO L147 QuantifierPusher]: treesize reduction 100, result has 38.7 percent of original size 63 [2021-06-11 06:12:32,237 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 3, 4, 2, 1] term [2021-06-11 06:12:32,237 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:32,238 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,241 INFO L147 QuantifierPusher]: treesize reduction 176, result has 33.3 percent of original size 88 [2021-06-11 06:12:32,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:32,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:32,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:32,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:32,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:32,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:32,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:32,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:32,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:32,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:32,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:32,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:32,917 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 06:12:32,994 INFO L142 QuantifierPusher]: treesize reduction 84, result has 91.3 percent of original size [2021-06-11 06:12:33,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,007 INFO L147 QuantifierPusher]: treesize reduction 13, result has 82.4 percent of original size 61 [2021-06-11 06:12:33,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 06:12:33,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 06:12:33,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 06:12:33,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,026 INFO L142 QuantifierPusher]: treesize reduction 13, result has 92.7 percent of original size [2021-06-11 06:12:33,026 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 4, 3, 2, 1] term [2021-06-11 06:12:33,027 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:33,028 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,029 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 3, 2, 1] term [2021-06-11 06:12:33,029 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:33,033 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,034 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 1] term [2021-06-11 06:12:33,034 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:33,036 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,038 INFO L147 QuantifierPusher]: treesize reduction 148, result has 52.1 percent of original size 161 [2021-06-11 06:12:33,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,041 INFO L142 QuantifierPusher]: treesize reduction 148, result has 64.3 percent of original size [2021-06-11 06:12:33,042 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 4, 2, 2, 1] term [2021-06-11 06:12:33,042 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:33,044 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,045 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 4, 2, 2, 1] term [2021-06-11 06:12:33,045 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:33,048 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,049 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 4, 2, 2, 1] term [2021-06-11 06:12:33,049 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:33,055 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,059 INFO L147 QuantifierPusher]: treesize reduction 459, result has 26.3 percent of original size 164 [2021-06-11 06:12:33,060 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 06:12:33,060 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:33,061 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,062 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 06:12:33,062 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:33,064 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,064 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 4, 3, 4, 4, 4, 4, 3, 4, 2, 2, 1] term [2021-06-11 06:12:33,064 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:12:33,066 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,071 INFO L147 QuantifierPusher]: treesize reduction 36, result has 2.7 percent of original size 1 [2021-06-11 06:12:33,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:33,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,075 INFO L142 QuantifierPusher]: treesize reduction 38, result has 71.0 percent of original size [2021-06-11 06:12:33,077 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-06-11 06:12:33,086 INFO L147 QuantifierPusher]: treesize reduction 1935, result has 7.6 percent of original size 160 [2021-06-11 06:12:33,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:33,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:33,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:33,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:12:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:33,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 06:12:33,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 06:12:33,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 06:12:33,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 06:12:33,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:33,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:33,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:33,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:33,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:33,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:34,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:34,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:34,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:34,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:34,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:34,612 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-06-11 06:12:34,767 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-06-11 06:12:35,121 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-06-11 06:12:35,264 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-06-11 06:12:35,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:35,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:12:35,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:35,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:35,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:35,315 INFO L163 LiptonReduction]: Checked pairs total: 8174 [2021-06-11 06:12:35,315 INFO L165 LiptonReduction]: Total number of compositions: 98 [2021-06-11 06:12:35,319 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6693 [2021-06-11 06:12:35,332 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-06-11 06:12:35,332 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:35,332 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:35,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:35,333 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:35,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:35,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1689780489, now seen corresponding path program 1 times [2021-06-11 06:12:35,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:35,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903337739] [2021-06-11 06:12:35,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:35,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:35,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:35,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903337739] [2021-06-11 06:12:35,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:35,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:12:35,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074236783] [2021-06-11 06:12:35,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:12:35,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:35,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:12:35,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:12:35,574 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 213 [2021-06-11 06:12:35,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 34 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:35,580 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:35,580 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 213 [2021-06-11 06:12:35,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:35,654 INFO L129 PetriNetUnfolder]: 49/140 cut-off events. [2021-06-11 06:12:35,654 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:35,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 140 events. 49/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 598 event pairs, 27 based on Foata normal form. 23/141 useless extension candidates. Maximal degree in co-relation 228. Up to 65 conditions per place. [2021-06-11 06:12:35,656 INFO L132 encePairwiseOnDemand]: 208/213 looper letters, 9 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2021-06-11 06:12:35,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 104 flow [2021-06-11 06:12:35,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:12:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:12:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2021-06-11 06:12:35,669 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8607198748043818 [2021-06-11 06:12:35,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 550 transitions. [2021-06-11 06:12:35,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 550 transitions. [2021-06-11 06:12:35,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:35,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 550 transitions. [2021-06-11 06:12:35,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:35,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:35,684 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:35,686 INFO L185 Difference]: Start difference. First operand has 46 places, 34 transitions, 80 flow. Second operand 3 states and 550 transitions. [2021-06-11 06:12:35,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 104 flow [2021-06-11 06:12:35,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 35 transitions, 100 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 06:12:35,689 INFO L241 Difference]: Finished difference. Result has 42 places, 31 transitions, 74 flow [2021-06-11 06:12:35,691 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=42, PETRI_TRANSITIONS=31} [2021-06-11 06:12:35,692 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -4 predicate places. [2021-06-11 06:12:35,692 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:35,692 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 31 transitions, 74 flow [2021-06-11 06:12:35,692 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 31 transitions, 74 flow [2021-06-11 06:12:35,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 31 transitions, 74 flow [2021-06-11 06:12:35,697 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-06-11 06:12:35,698 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:35,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 55 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 06:12:35,698 INFO L151 LiptonReduction]: Number of co-enabled transitions 488 [2021-06-11 06:12:36,497 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-06-11 06:12:36,798 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-11 06:12:38,307 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 317 DAG size of output: 272 [2021-06-11 06:12:38,902 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-11 06:12:38,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:38,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:40,188 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 249 DAG size of output: 208 [2021-06-11 06:12:40,725 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-06-11 06:12:43,060 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 339 DAG size of output: 293 [2021-06-11 06:12:44,192 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 289 [2021-06-11 06:12:44,610 INFO L163 LiptonReduction]: Checked pairs total: 1094 [2021-06-11 06:12:44,611 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 06:12:44,611 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8919 [2021-06-11 06:12:44,612 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 72 flow [2021-06-11 06:12:44,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:44,612 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:44,612 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:44,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 06:12:44,613 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:44,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:44,613 INFO L82 PathProgramCache]: Analyzing trace with hash -272401250, now seen corresponding path program 1 times [2021-06-11 06:12:44,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:44,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203005468] [2021-06-11 06:12:44,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:44,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:44,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:44,704 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-11 06:12:44,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 06:12:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:44,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203005468] [2021-06-11 06:12:44,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:44,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:12:44,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086278737] [2021-06-11 06:12:44,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:12:44,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:44,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:12:44,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:12:44,724 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 215 [2021-06-11 06:12:44,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:44,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:44,725 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 215 [2021-06-11 06:12:44,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:44,786 INFO L129 PetriNetUnfolder]: 14/64 cut-off events. [2021-06-11 06:12:44,787 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:12:44,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 64 events. 14/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 177 event pairs, 3 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 99. Up to 18 conditions per place. [2021-06-11 06:12:44,787 INFO L132 encePairwiseOnDemand]: 210/215 looper letters, 4 selfloop transitions, 3 changer transitions 8/38 dead transitions. [2021-06-11 06:12:44,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 38 transitions, 116 flow [2021-06-11 06:12:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:12:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:12:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 860 transitions. [2021-06-11 06:12:44,791 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-06-11 06:12:44,791 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 860 transitions. [2021-06-11 06:12:44,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 860 transitions. [2021-06-11 06:12:44,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:44,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 860 transitions. [2021-06-11 06:12:44,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:44,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:44,797 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:44,797 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 72 flow. Second operand 5 states and 860 transitions. [2021-06-11 06:12:44,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 38 transitions, 116 flow [2021-06-11 06:12:44,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 38 transitions, 112 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:12:44,798 INFO L241 Difference]: Finished difference. Result has 45 places, 30 transitions, 87 flow [2021-06-11 06:12:44,799 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=87, PETRI_PLACES=45, PETRI_TRANSITIONS=30} [2021-06-11 06:12:44,799 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2021-06-11 06:12:44,799 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:44,799 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 30 transitions, 87 flow [2021-06-11 06:12:44,800 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 30 transitions, 87 flow [2021-06-11 06:12:44,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 30 transitions, 87 flow [2021-06-11 06:12:44,805 INFO L129 PetriNetUnfolder]: 3/42 cut-off events. [2021-06-11 06:12:44,805 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 06:12:44,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 42 events. 3/42 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 84 event pairs, 1 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 61. Up to 10 conditions per place. [2021-06-11 06:12:44,806 INFO L151 LiptonReduction]: Number of co-enabled transitions 436 [2021-06-11 06:12:44,856 INFO L163 LiptonReduction]: Checked pairs total: 448 [2021-06-11 06:12:44,856 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:44,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-06-11 06:12:44,858 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 87 flow [2021-06-11 06:12:44,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:44,858 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:44,858 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:44,858 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 06:12:44,858 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:44,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:44,859 INFO L82 PathProgramCache]: Analyzing trace with hash -273244577, now seen corresponding path program 1 times [2021-06-11 06:12:44,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:44,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210533332] [2021-06-11 06:12:44,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:44,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:44,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:44,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:44,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210533332] [2021-06-11 06:12:44,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:44,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:12:44,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554883096] [2021-06-11 06:12:44,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:12:44,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:44,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:12:44,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:12:44,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 215 [2021-06-11 06:12:44,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:44,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:44,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 215 [2021-06-11 06:12:44,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:44,985 INFO L129 PetriNetUnfolder]: 2/36 cut-off events. [2021-06-11 06:12:44,985 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-06-11 06:12:44,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 36 events. 2/36 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 62 event pairs, 0 based on Foata normal form. 2/37 useless extension candidates. Maximal degree in co-relation 56. Up to 8 conditions per place. [2021-06-11 06:12:44,987 INFO L132 encePairwiseOnDemand]: 212/215 looper letters, 1 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2021-06-11 06:12:44,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 30 transitions, 93 flow [2021-06-11 06:12:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:12:44,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:12:44,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions. [2021-06-11 06:12:44,990 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.875968992248062 [2021-06-11 06:12:44,990 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 565 transitions. [2021-06-11 06:12:44,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 565 transitions. [2021-06-11 06:12:44,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:44,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 565 transitions. [2021-06-11 06:12:44,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.33333333333334) internal successors, (565), 3 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:44,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:44,994 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:44,994 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 87 flow. Second operand 3 states and 565 transitions. [2021-06-11 06:12:44,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 30 transitions, 93 flow [2021-06-11 06:12:44,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 30 transitions, 86 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-06-11 06:12:44,997 INFO L241 Difference]: Finished difference. Result has 42 places, 30 transitions, 88 flow [2021-06-11 06:12:44,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=42, PETRI_TRANSITIONS=30} [2021-06-11 06:12:44,997 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -4 predicate places. [2021-06-11 06:12:44,997 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:44,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 30 transitions, 88 flow [2021-06-11 06:12:44,998 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 30 transitions, 88 flow [2021-06-11 06:12:44,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 30 transitions, 88 flow [2021-06-11 06:12:45,004 INFO L129 PetriNetUnfolder]: 2/36 cut-off events. [2021-06-11 06:12:45,004 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 06:12:45,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 36 events. 2/36 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 69 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 53. Up to 8 conditions per place. [2021-06-11 06:12:45,006 INFO L151 LiptonReduction]: Number of co-enabled transitions 434 [2021-06-11 06:12:45,010 INFO L163 LiptonReduction]: Checked pairs total: 418 [2021-06-11 06:12:45,010 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:45,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 06:12:45,013 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 30 transitions, 88 flow [2021-06-11 06:12:45,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,013 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:45,013 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:45,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 06:12:45,014 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:45,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:45,015 INFO L82 PathProgramCache]: Analyzing trace with hash 119350334, now seen corresponding path program 1 times [2021-06-11 06:12:45,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:45,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427668849] [2021-06-11 06:12:45,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:45,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:45,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:45,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:45,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427668849] [2021-06-11 06:12:45,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:45,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:12:45,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287490526] [2021-06-11 06:12:45,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:12:45,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:45,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:12:45,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:12:45,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 215 [2021-06-11 06:12:45,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 30 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:45,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 215 [2021-06-11 06:12:45,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:45,125 INFO L129 PetriNetUnfolder]: 8/56 cut-off events. [2021-06-11 06:12:45,126 INFO L130 PetriNetUnfolder]: For 28/32 co-relation queries the response was YES. [2021-06-11 06:12:45,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 56 events. 8/56 cut-off events. For 28/32 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 147 event pairs, 2 based on Foata normal form. 2/53 useless extension candidates. Maximal degree in co-relation 96. Up to 15 conditions per place. [2021-06-11 06:12:45,126 INFO L132 encePairwiseOnDemand]: 211/215 looper letters, 3 selfloop transitions, 3 changer transitions 0/32 dead transitions. [2021-06-11 06:12:45,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 32 transitions, 104 flow [2021-06-11 06:12:45,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:12:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:12:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 559 transitions. [2021-06-11 06:12:45,129 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2021-06-11 06:12:45,129 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 559 transitions. [2021-06-11 06:12:45,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 559 transitions. [2021-06-11 06:12:45,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:45,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 559 transitions. [2021-06-11 06:12:45,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,132 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,133 INFO L185 Difference]: Start difference. First operand has 42 places, 30 transitions, 88 flow. Second operand 3 states and 559 transitions. [2021-06-11 06:12:45,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 32 transitions, 104 flow [2021-06-11 06:12:45,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 32 transitions, 100 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:12:45,134 INFO L241 Difference]: Finished difference. Result has 43 places, 32 transitions, 103 flow [2021-06-11 06:12:45,134 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=43, PETRI_TRANSITIONS=32} [2021-06-11 06:12:45,134 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -3 predicate places. [2021-06-11 06:12:45,134 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:45,135 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 32 transitions, 103 flow [2021-06-11 06:12:45,135 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 32 transitions, 103 flow [2021-06-11 06:12:45,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 32 transitions, 103 flow [2021-06-11 06:12:45,141 INFO L129 PetriNetUnfolder]: 8/56 cut-off events. [2021-06-11 06:12:45,141 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-06-11 06:12:45,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 56 events. 8/56 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 161 event pairs, 2 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 96. Up to 15 conditions per place. [2021-06-11 06:12:45,143 INFO L151 LiptonReduction]: Number of co-enabled transitions 500 [2021-06-11 06:12:45,145 INFO L163 LiptonReduction]: Checked pairs total: 346 [2021-06-11 06:12:45,145 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:45,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-06-11 06:12:45,146 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 103 flow [2021-06-11 06:12:45,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:45,147 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:45,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 06:12:45,147 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:45,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:45,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1524036621, now seen corresponding path program 1 times [2021-06-11 06:12:45,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:45,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514254522] [2021-06-11 06:12:45,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:45,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:45,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 06:12:45,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:45,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:45,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514254522] [2021-06-11 06:12:45,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:45,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:12:45,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285163814] [2021-06-11 06:12:45,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:12:45,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:45,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:12:45,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:12:45,239 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 215 [2021-06-11 06:12:45,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 103 flow. Second operand has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:45,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 215 [2021-06-11 06:12:45,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:45,366 INFO L129 PetriNetUnfolder]: 214/430 cut-off events. [2021-06-11 06:12:45,366 INFO L130 PetriNetUnfolder]: For 291/294 co-relation queries the response was YES. [2021-06-11 06:12:45,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 947 conditions, 430 events. 214/430 cut-off events. For 291/294 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2307 event pairs, 122 based on Foata normal form. 6/385 useless extension candidates. Maximal degree in co-relation 934. Up to 273 conditions per place. [2021-06-11 06:12:45,371 INFO L132 encePairwiseOnDemand]: 209/215 looper letters, 10 selfloop transitions, 6 changer transitions 0/40 dead transitions. [2021-06-11 06:12:45,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 40 transitions, 151 flow [2021-06-11 06:12:45,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:12:45,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:12:45,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 678 transitions. [2021-06-11 06:12:45,374 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7883720930232558 [2021-06-11 06:12:45,374 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 678 transitions. [2021-06-11 06:12:45,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 678 transitions. [2021-06-11 06:12:45,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:45,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 678 transitions. [2021-06-11 06:12:45,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 169.5) internal successors, (678), 4 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 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) [2021-06-11 06:12:45,378 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 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) [2021-06-11 06:12:45,378 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 103 flow. Second operand 4 states and 678 transitions. [2021-06-11 06:12:45,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 40 transitions, 151 flow [2021-06-11 06:12:45,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 40 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:12:45,381 INFO L241 Difference]: Finished difference. Result has 47 places, 37 transitions, 141 flow [2021-06-11 06:12:45,381 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=141, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2021-06-11 06:12:45,381 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2021-06-11 06:12:45,382 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:45,382 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 37 transitions, 141 flow [2021-06-11 06:12:45,382 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 37 transitions, 141 flow [2021-06-11 06:12:45,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 37 transitions, 141 flow [2021-06-11 06:12:45,400 INFO L129 PetriNetUnfolder]: 42/134 cut-off events. [2021-06-11 06:12:45,401 INFO L130 PetriNetUnfolder]: For 282/291 co-relation queries the response was YES. [2021-06-11 06:12:45,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 134 events. 42/134 cut-off events. For 282/291 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 605 event pairs, 19 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 350. Up to 53 conditions per place. [2021-06-11 06:12:45,403 INFO L151 LiptonReduction]: Number of co-enabled transitions 616 [2021-06-11 06:12:45,490 INFO L163 LiptonReduction]: Checked pairs total: 221 [2021-06-11 06:12:45,490 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:45,490 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 108 [2021-06-11 06:12:45,491 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 141 flow [2021-06-11 06:12:45,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:45,492 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:45,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 06:12:45,492 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:45,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:45,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1098676151, now seen corresponding path program 1 times [2021-06-11 06:12:45,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:45,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138572667] [2021-06-11 06:12:45,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:45,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:45,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:45,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:45,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:45,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:45,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:45,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138572667] [2021-06-11 06:12:45,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:45,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:12:45,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963075276] [2021-06-11 06:12:45,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:12:45,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:45,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:12:45,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:12:45,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2021-06-11 06:12:45,567 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 141 flow. Second operand has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,567 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:45,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2021-06-11 06:12:45,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:45,727 INFO L129 PetriNetUnfolder]: 228/437 cut-off events. [2021-06-11 06:12:45,727 INFO L130 PetriNetUnfolder]: For 745/879 co-relation queries the response was YES. [2021-06-11 06:12:45,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1253 conditions, 437 events. 228/437 cut-off events. For 745/879 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2267 event pairs, 51 based on Foata normal form. 16/399 useless extension candidates. Maximal degree in co-relation 1237. Up to 249 conditions per place. [2021-06-11 06:12:45,732 INFO L132 encePairwiseOnDemand]: 208/215 looper letters, 15 selfloop transitions, 10 changer transitions 0/49 dead transitions. [2021-06-11 06:12:45,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 49 transitions, 235 flow [2021-06-11 06:12:45,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:12:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:12:45,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 843 transitions. [2021-06-11 06:12:45,734 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7841860465116279 [2021-06-11 06:12:45,735 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 843 transitions. [2021-06-11 06:12:45,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 843 transitions. [2021-06-11 06:12:45,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:45,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 843 transitions. [2021-06-11 06:12:45,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.6) internal successors, (843), 5 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,739 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,739 INFO L185 Difference]: Start difference. First operand has 47 places, 37 transitions, 141 flow. Second operand 5 states and 843 transitions. [2021-06-11 06:12:45,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 49 transitions, 235 flow [2021-06-11 06:12:45,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 49 transitions, 235 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 06:12:45,742 INFO L241 Difference]: Finished difference. Result has 53 places, 43 transitions, 203 flow [2021-06-11 06:12:45,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=203, PETRI_PLACES=53, PETRI_TRANSITIONS=43} [2021-06-11 06:12:45,742 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 7 predicate places. [2021-06-11 06:12:45,742 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:45,742 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 43 transitions, 203 flow [2021-06-11 06:12:45,742 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 43 transitions, 203 flow [2021-06-11 06:12:45,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 43 transitions, 203 flow [2021-06-11 06:12:45,784 INFO L129 PetriNetUnfolder]: 83/215 cut-off events. [2021-06-11 06:12:45,785 INFO L130 PetriNetUnfolder]: For 864/909 co-relation queries the response was YES. [2021-06-11 06:12:45,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 215 events. 83/215 cut-off events. For 864/909 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1136 event pairs, 33 based on Foata normal form. 1/181 useless extension candidates. Maximal degree in co-relation 747. Up to 94 conditions per place. [2021-06-11 06:12:45,788 INFO L151 LiptonReduction]: Number of co-enabled transitions 736 [2021-06-11 06:12:45,841 INFO L163 LiptonReduction]: Checked pairs total: 265 [2021-06-11 06:12:45,842 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:45,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 100 [2021-06-11 06:12:45,842 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 43 transitions, 203 flow [2021-06-11 06:12:45,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 164.8) internal successors, (824), 5 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:45,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:45,843 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:45,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 06:12:45,843 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:45,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:45,843 INFO L82 PathProgramCache]: Analyzing trace with hash 173510912, now seen corresponding path program 1 times [2021-06-11 06:12:45,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:45,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680647897] [2021-06-11 06:12:45,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:45,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:45,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:12:45,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:45,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:45,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:45,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:12:45,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:45,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:12:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:45,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680647897] [2021-06-11 06:12:45,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:45,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:12:45,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690659212] [2021-06-11 06:12:45,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:12:45,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:45,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:12:45,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:12:45,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 215 [2021-06-11 06:12:45,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 43 transitions, 203 flow. Second operand has 6 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 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) [2021-06-11 06:12:45,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:45,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 215 [2021-06-11 06:12:45,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:46,148 INFO L129 PetriNetUnfolder]: 225/453 cut-off events. [2021-06-11 06:12:46,148 INFO L130 PetriNetUnfolder]: For 1353/1661 co-relation queries the response was YES. [2021-06-11 06:12:46,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1652 conditions, 453 events. 225/453 cut-off events. For 1353/1661 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2457 event pairs, 31 based on Foata normal form. 13/412 useless extension candidates. Maximal degree in co-relation 1632. Up to 265 conditions per place. [2021-06-11 06:12:46,155 INFO L132 encePairwiseOnDemand]: 208/215 looper letters, 17 selfloop transitions, 9 changer transitions 0/50 dead transitions. [2021-06-11 06:12:46,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 50 transitions, 293 flow [2021-06-11 06:12:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:12:46,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:12:46,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 685 transitions. [2021-06-11 06:12:46,157 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7965116279069767 [2021-06-11 06:12:46,157 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 685 transitions. [2021-06-11 06:12:46,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 685 transitions. [2021-06-11 06:12:46,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:46,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 685 transitions. [2021-06-11 06:12:46,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 171.25) internal successors, (685), 4 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:46,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 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) [2021-06-11 06:12:46,161 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 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) [2021-06-11 06:12:46,161 INFO L185 Difference]: Start difference. First operand has 53 places, 43 transitions, 203 flow. Second operand 4 states and 685 transitions. [2021-06-11 06:12:46,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 50 transitions, 293 flow [2021-06-11 06:12:46,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 50 transitions, 275 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-06-11 06:12:46,167 INFO L241 Difference]: Finished difference. Result has 57 places, 47 transitions, 246 flow [2021-06-11 06:12:46,167 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=246, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2021-06-11 06:12:46,167 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 11 predicate places. [2021-06-11 06:12:46,167 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:46,167 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 47 transitions, 246 flow [2021-06-11 06:12:46,168 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 47 transitions, 246 flow [2021-06-11 06:12:46,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 47 transitions, 246 flow [2021-06-11 06:12:46,201 INFO L129 PetriNetUnfolder]: 94/255 cut-off events. [2021-06-11 06:12:46,201 INFO L130 PetriNetUnfolder]: For 1062/1102 co-relation queries the response was YES. [2021-06-11 06:12:46,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 884 conditions, 255 events. 94/255 cut-off events. For 1062/1102 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1367 event pairs, 31 based on Foata normal form. 3/226 useless extension candidates. Maximal degree in co-relation 863. Up to 102 conditions per place. [2021-06-11 06:12:46,206 INFO L151 LiptonReduction]: Number of co-enabled transitions 776 [2021-06-11 06:12:46,212 INFO L163 LiptonReduction]: Checked pairs total: 282 [2021-06-11 06:12:46,212 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:46,212 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-06-11 06:12:46,213 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 246 flow [2021-06-11 06:12:46,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 167.83333333333334) internal successors, (1007), 6 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) [2021-06-11 06:12:46,213 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:46,214 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:46,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 06:12:46,214 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:46,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:46,214 INFO L82 PathProgramCache]: Analyzing trace with hash 31816701, now seen corresponding path program 1 times [2021-06-11 06:12:46,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:46,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76768151] [2021-06-11 06:12:46,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:46,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:46,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:12:46,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:46,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:12:46,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:46,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:12:46,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:46,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:46,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:46,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76768151] [2021-06-11 06:12:46,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:46,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:12:46,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892956319] [2021-06-11 06:12:46,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:12:46,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:46,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:12:46,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:12:46,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 215 [2021-06-11 06:12:46,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 246 flow. Second operand has 5 states, 5 states have (on average 169.0) internal successors, (845), 5 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:46,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:46,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 215 [2021-06-11 06:12:46,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:46,466 INFO L129 PetriNetUnfolder]: 258/501 cut-off events. [2021-06-11 06:12:46,466 INFO L130 PetriNetUnfolder]: For 2272/2730 co-relation queries the response was YES. [2021-06-11 06:12:46,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1982 conditions, 501 events. 258/501 cut-off events. For 2272/2730 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2650 event pairs, 47 based on Foata normal form. 37/482 useless extension candidates. Maximal degree in co-relation 1959. Up to 286 conditions per place. [2021-06-11 06:12:46,473 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 15 selfloop transitions, 18 changer transitions 0/57 dead transitions. [2021-06-11 06:12:46,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 57 transitions, 366 flow [2021-06-11 06:12:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:12:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:12:46,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1029 transitions. [2021-06-11 06:12:46,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7976744186046512 [2021-06-11 06:12:46,477 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1029 transitions. [2021-06-11 06:12:46,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1029 transitions. [2021-06-11 06:12:46,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:46,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1029 transitions. [2021-06-11 06:12:46,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 171.5) internal successors, (1029), 6 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:46,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 215.0) internal successors, (1505), 7 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:46,483 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 215.0) internal successors, (1505), 7 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:46,483 INFO L185 Difference]: Start difference. First operand has 57 places, 47 transitions, 246 flow. Second operand 6 states and 1029 transitions. [2021-06-11 06:12:46,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 57 transitions, 366 flow [2021-06-11 06:12:46,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 57 transitions, 359 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 06:12:46,490 INFO L241 Difference]: Finished difference. Result has 62 places, 54 transitions, 337 flow [2021-06-11 06:12:46,490 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=337, PETRI_PLACES=62, PETRI_TRANSITIONS=54} [2021-06-11 06:12:46,490 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 16 predicate places. [2021-06-11 06:12:46,490 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:46,490 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 54 transitions, 337 flow [2021-06-11 06:12:46,491 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 54 transitions, 337 flow [2021-06-11 06:12:46,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 54 transitions, 337 flow [2021-06-11 06:12:46,532 INFO L129 PetriNetUnfolder]: 140/323 cut-off events. [2021-06-11 06:12:46,532 INFO L130 PetriNetUnfolder]: For 1460/1602 co-relation queries the response was YES. [2021-06-11 06:12:46,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 323 events. 140/323 cut-off events. For 1460/1602 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1722 event pairs, 28 based on Foata normal form. 9/292 useless extension candidates. Maximal degree in co-relation 1232. Up to 159 conditions per place. [2021-06-11 06:12:46,542 INFO L151 LiptonReduction]: Number of co-enabled transitions 884 [2021-06-11 06:12:46,556 INFO L163 LiptonReduction]: Checked pairs total: 427 [2021-06-11 06:12:46,556 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:46,556 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-06-11 06:12:46,556 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 54 transitions, 337 flow [2021-06-11 06:12:46,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 169.0) internal successors, (845), 5 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:46,557 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:46,557 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:46,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 06:12:46,557 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:46,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:46,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1527300221, now seen corresponding path program 2 times [2021-06-11 06:12:46,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:46,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956209306] [2021-06-11 06:12:46,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:46,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:46,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:46,658 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-06-11 06:12:46,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 06:12:46,677 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-06-11 06:12:46,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 06:12:46,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:46,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:12:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:46,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956209306] [2021-06-11 06:12:46,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:46,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:12:46,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134325348] [2021-06-11 06:12:46,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:12:46,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:46,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:12:46,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:12:46,717 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2021-06-11 06:12:46,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 54 transitions, 337 flow. Second operand has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:46,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:46,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2021-06-11 06:12:46,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:46,918 INFO L129 PetriNetUnfolder]: 267/546 cut-off events. [2021-06-11 06:12:46,918 INFO L130 PetriNetUnfolder]: For 2668/3505 co-relation queries the response was YES. [2021-06-11 06:12:46,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2500 conditions, 546 events. 267/546 cut-off events. For 2668/3505 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3105 event pairs, 17 based on Foata normal form. 63/557 useless extension candidates. Maximal degree in co-relation 2475. Up to 299 conditions per place. [2021-06-11 06:12:46,927 INFO L132 encePairwiseOnDemand]: 208/215 looper letters, 19 selfloop transitions, 20 changer transitions 0/63 dead transitions. [2021-06-11 06:12:46,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 63 transitions, 487 flow [2021-06-11 06:12:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:12:46,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:12:46,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1004 transitions. [2021-06-11 06:12:46,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7782945736434108 [2021-06-11 06:12:46,931 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1004 transitions. [2021-06-11 06:12:46,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1004 transitions. [2021-06-11 06:12:46,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:46,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1004 transitions. [2021-06-11 06:12:46,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 167.33333333333334) internal successors, (1004), 6 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) [2021-06-11 06:12:46,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 215.0) internal successors, (1505), 7 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:46,936 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 215.0) internal successors, (1505), 7 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:46,936 INFO L185 Difference]: Start difference. First operand has 62 places, 54 transitions, 337 flow. Second operand 6 states and 1004 transitions. [2021-06-11 06:12:46,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 63 transitions, 487 flow [2021-06-11 06:12:46,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 63 transitions, 463 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-06-11 06:12:46,942 INFO L241 Difference]: Finished difference. Result has 65 places, 57 transitions, 404 flow [2021-06-11 06:12:46,942 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=404, PETRI_PLACES=65, PETRI_TRANSITIONS=57} [2021-06-11 06:12:46,943 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 19 predicate places. [2021-06-11 06:12:46,943 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:46,943 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 57 transitions, 404 flow [2021-06-11 06:12:46,943 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 57 transitions, 404 flow [2021-06-11 06:12:46,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 57 transitions, 404 flow [2021-06-11 06:12:46,997 INFO L129 PetriNetUnfolder]: 149/344 cut-off events. [2021-06-11 06:12:46,997 INFO L130 PetriNetUnfolder]: For 1846/2015 co-relation queries the response was YES. [2021-06-11 06:12:46,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 344 events. 149/344 cut-off events. For 1846/2015 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1845 event pairs, 28 based on Foata normal form. 12/323 useless extension candidates. Maximal degree in co-relation 1495. Up to 173 conditions per place. [2021-06-11 06:12:47,003 INFO L151 LiptonReduction]: Number of co-enabled transitions 942 [2021-06-11 06:12:47,015 INFO L163 LiptonReduction]: Checked pairs total: 491 [2021-06-11 06:12:47,015 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:47,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-06-11 06:12:47,016 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 57 transitions, 404 flow [2021-06-11 06:12:47,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:47,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:47,016 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:47,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 06:12:47,016 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:47,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:47,017 INFO L82 PathProgramCache]: Analyzing trace with hash 191662728, now seen corresponding path program 1 times [2021-06-11 06:12:47,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:47,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445179330] [2021-06-11 06:12:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:47,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:47,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:47,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 06:12:47,085 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-06-11 06:12:47,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-06-11 06:12:47,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:47,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:47,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:47,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:12:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:47,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445179330] [2021-06-11 06:12:47,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:47,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:12:47,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978192973] [2021-06-11 06:12:47,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:12:47,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:47,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:12:47,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:12:47,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 215 [2021-06-11 06:12:47,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 57 transitions, 404 flow. Second operand has 7 states, 7 states have (on average 156.85714285714286) internal successors, (1098), 7 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:47,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:47,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 215 [2021-06-11 06:12:47,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:47,369 INFO L129 PetriNetUnfolder]: 277/581 cut-off events. [2021-06-11 06:12:47,369 INFO L130 PetriNetUnfolder]: For 3316/4678 co-relation queries the response was YES. [2021-06-11 06:12:47,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2971 conditions, 581 events. 277/581 cut-off events. For 3316/4678 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3431 event pairs, 12 based on Foata normal form. 97/630 useless extension candidates. Maximal degree in co-relation 2945. Up to 330 conditions per place. [2021-06-11 06:12:47,378 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 30 selfloop transitions, 31 changer transitions 0/85 dead transitions. [2021-06-11 06:12:47,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 85 transitions, 788 flow [2021-06-11 06:12:47,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 06:12:47,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 06:12:47,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1281 transitions. [2021-06-11 06:12:47,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7447674418604651 [2021-06-11 06:12:47,382 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1281 transitions. [2021-06-11 06:12:47,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1281 transitions. [2021-06-11 06:12:47,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:47,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1281 transitions. [2021-06-11 06:12:47,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 160.125) internal successors, (1281), 8 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:47,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 215.0) internal successors, (1935), 9 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:47,388 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 215.0) internal successors, (1935), 9 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:47,388 INFO L185 Difference]: Start difference. First operand has 65 places, 57 transitions, 404 flow. Second operand 8 states and 1281 transitions. [2021-06-11 06:12:47,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 85 transitions, 788 flow [2021-06-11 06:12:47,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 85 transitions, 721 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-06-11 06:12:47,396 INFO L241 Difference]: Finished difference. Result has 73 places, 75 transitions, 653 flow [2021-06-11 06:12:47,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=653, PETRI_PLACES=73, PETRI_TRANSITIONS=75} [2021-06-11 06:12:47,396 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 27 predicate places. [2021-06-11 06:12:47,396 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:47,396 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 75 transitions, 653 flow [2021-06-11 06:12:47,397 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 75 transitions, 653 flow [2021-06-11 06:12:47,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 75 transitions, 653 flow [2021-06-11 06:12:47,440 INFO L129 PetriNetUnfolder]: 149/353 cut-off events. [2021-06-11 06:12:47,440 INFO L130 PetriNetUnfolder]: For 2036/2336 co-relation queries the response was YES. [2021-06-11 06:12:47,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1600 conditions, 353 events. 149/353 cut-off events. For 2036/2336 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1958 event pairs, 36 based on Foata normal form. 13/332 useless extension candidates. Maximal degree in co-relation 1572. Up to 179 conditions per place. [2021-06-11 06:12:47,447 INFO L151 LiptonReduction]: Number of co-enabled transitions 1164 [2021-06-11 06:12:47,459 INFO L163 LiptonReduction]: Checked pairs total: 796 [2021-06-11 06:12:47,459 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:47,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-06-11 06:12:47,460 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 75 transitions, 653 flow [2021-06-11 06:12:47,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 156.85714285714286) internal successors, (1098), 7 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:47,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:47,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:47,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 06:12:47,461 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:47,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:47,461 INFO L82 PathProgramCache]: Analyzing trace with hash -307916666, now seen corresponding path program 1 times [2021-06-11 06:12:47,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:47,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387808523] [2021-06-11 06:12:47,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:47,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:47,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:47,503 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:12:47,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:47,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:47,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:47,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387808523] [2021-06-11 06:12:47,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:47,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:12:47,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56322996] [2021-06-11 06:12:47,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:12:47,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:47,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:12:47,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:12:47,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2021-06-11 06:12:47,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 75 transitions, 653 flow. Second operand has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:47,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:47,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2021-06-11 06:12:47,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:47,803 INFO L129 PetriNetUnfolder]: 951/1735 cut-off events. [2021-06-11 06:12:47,804 INFO L130 PetriNetUnfolder]: For 6617/7869 co-relation queries the response was YES. [2021-06-11 06:12:47,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6367 conditions, 1735 events. 951/1735 cut-off events. For 6617/7869 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 12055 event pairs, 239 based on Foata normal form. 289/1702 useless extension candidates. Maximal degree in co-relation 6337. Up to 653 conditions per place. [2021-06-11 06:12:47,826 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 13 selfloop transitions, 12 changer transitions 0/89 dead transitions. [2021-06-11 06:12:47,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 89 transitions, 731 flow [2021-06-11 06:12:47,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:12:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:12:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 889 transitions. [2021-06-11 06:12:47,829 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8269767441860465 [2021-06-11 06:12:47,829 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 889 transitions. [2021-06-11 06:12:47,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 889 transitions. [2021-06-11 06:12:47,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:47,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 889 transitions. [2021-06-11 06:12:47,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 177.8) internal successors, (889), 5 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:47,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:47,833 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 215.0) internal successors, (1290), 6 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:47,834 INFO L185 Difference]: Start difference. First operand has 73 places, 75 transitions, 653 flow. Second operand 5 states and 889 transitions. [2021-06-11 06:12:47,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 89 transitions, 731 flow [2021-06-11 06:12:47,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 89 transitions, 689 flow, removed 12 selfloop flow, removed 1 redundant places. [2021-06-11 06:12:47,844 INFO L241 Difference]: Finished difference. Result has 79 places, 85 transitions, 707 flow [2021-06-11 06:12:47,844 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=611, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=707, PETRI_PLACES=79, PETRI_TRANSITIONS=85} [2021-06-11 06:12:47,845 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 33 predicate places. [2021-06-11 06:12:47,845 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:47,845 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 85 transitions, 707 flow [2021-06-11 06:12:47,845 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 85 transitions, 707 flow [2021-06-11 06:12:47,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 85 transitions, 707 flow [2021-06-11 06:12:47,994 INFO L129 PetriNetUnfolder]: 721/1333 cut-off events. [2021-06-11 06:12:47,995 INFO L130 PetriNetUnfolder]: For 5774/6499 co-relation queries the response was YES. [2021-06-11 06:12:48,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5548 conditions, 1333 events. 721/1333 cut-off events. For 5774/6499 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 9268 event pairs, 214 based on Foata normal form. 40/1136 useless extension candidates. Maximal degree in co-relation 5516. Up to 696 conditions per place. [2021-06-11 06:12:48,022 INFO L151 LiptonReduction]: Number of co-enabled transitions 1614 [2021-06-11 06:12:48,050 INFO L163 LiptonReduction]: Checked pairs total: 700 [2021-06-11 06:12:48,050 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:48,051 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 206 [2021-06-11 06:12:48,051 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 85 transitions, 707 flow [2021-06-11 06:12:48,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:48,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:48,051 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:48,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 06:12:48,052 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:48,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:48,052 INFO L82 PathProgramCache]: Analyzing trace with hash -762948518, now seen corresponding path program 1 times [2021-06-11 06:12:48,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:48,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335135664] [2021-06-11 06:12:48,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:48,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:48,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:48,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:48,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:48,111 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:12:48,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:48,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:48,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:48,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335135664] [2021-06-11 06:12:48,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:48,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:12:48,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773031713] [2021-06-11 06:12:48,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:12:48,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:48,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:12:48,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:12:48,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2021-06-11 06:12:48,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 85 transitions, 707 flow. Second operand has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:48,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:48,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2021-06-11 06:12:48,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:48,355 INFO L129 PetriNetUnfolder]: 603/1228 cut-off events. [2021-06-11 06:12:48,355 INFO L130 PetriNetUnfolder]: For 6380/11098 co-relation queries the response was YES. [2021-06-11 06:12:48,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5425 conditions, 1228 events. 603/1228 cut-off events. For 6380/11098 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 8526 event pairs, 58 based on Foata normal form. 549/1614 useless extension candidates. Maximal degree in co-relation 5391. Up to 653 conditions per place. [2021-06-11 06:12:48,374 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 12 selfloop transitions, 22 changer transitions 0/91 dead transitions. [2021-06-11 06:12:48,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 91 transitions, 771 flow [2021-06-11 06:12:48,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:12:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:12:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1245 transitions. [2021-06-11 06:12:48,377 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8272425249169435 [2021-06-11 06:12:48,377 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1245 transitions. [2021-06-11 06:12:48,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1245 transitions. [2021-06-11 06:12:48,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:48,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1245 transitions. [2021-06-11 06:12:48,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 177.85714285714286) internal successors, (1245), 7 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:48,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 215.0) internal successors, (1720), 8 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:48,384 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 215.0) internal successors, (1720), 8 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:48,384 INFO L185 Difference]: Start difference. First operand has 79 places, 85 transitions, 707 flow. Second operand 7 states and 1245 transitions. [2021-06-11 06:12:48,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 91 transitions, 771 flow [2021-06-11 06:12:48,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 91 transitions, 740 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-06-11 06:12:48,395 INFO L241 Difference]: Finished difference. Result has 84 places, 87 transitions, 747 flow [2021-06-11 06:12:48,395 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=747, PETRI_PLACES=84, PETRI_TRANSITIONS=87} [2021-06-11 06:12:48,395 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 38 predicate places. [2021-06-11 06:12:48,396 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:48,396 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 87 transitions, 747 flow [2021-06-11 06:12:48,396 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 87 transitions, 747 flow [2021-06-11 06:12:48,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 87 transitions, 747 flow [2021-06-11 06:12:48,562 INFO L129 PetriNetUnfolder]: 530/1047 cut-off events. [2021-06-11 06:12:48,563 INFO L130 PetriNetUnfolder]: For 5894/7950 co-relation queries the response was YES. [2021-06-11 06:12:48,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5241 conditions, 1047 events. 530/1047 cut-off events. For 5894/7950 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 7260 event pairs, 68 based on Foata normal form. 52/934 useless extension candidates. Maximal degree in co-relation 5207. Up to 616 conditions per place. [2021-06-11 06:12:48,582 INFO L151 LiptonReduction]: Number of co-enabled transitions 1894 [2021-06-11 06:12:48,595 INFO L163 LiptonReduction]: Checked pairs total: 572 [2021-06-11 06:12:48,595 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:48,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 199 [2021-06-11 06:12:48,595 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 87 transitions, 747 flow [2021-06-11 06:12:48,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:48,596 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:48,596 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] [2021-06-11 06:12:48,596 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 06:12:48,596 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:48,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:48,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1608524171, now seen corresponding path program 1 times [2021-06-11 06:12:48,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:48,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227350502] [2021-06-11 06:12:48,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:48,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:48,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:48,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:48,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:48,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227350502] [2021-06-11 06:12:48,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:48,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:12:48,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469532592] [2021-06-11 06:12:48,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:12:48,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:48,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:12:48,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:12:48,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 215 [2021-06-11 06:12:48,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 87 transitions, 747 flow. Second operand has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:48,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:48,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 215 [2021-06-11 06:12:48,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:48,846 INFO L129 PetriNetUnfolder]: 871/1714 cut-off events. [2021-06-11 06:12:48,847 INFO L130 PetriNetUnfolder]: For 12289/19903 co-relation queries the response was YES. [2021-06-11 06:12:48,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8534 conditions, 1714 events. 871/1714 cut-off events. For 12289/19903 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 12472 event pairs, 87 based on Foata normal form. 141/1558 useless extension candidates. Maximal degree in co-relation 8498. Up to 1049 conditions per place. [2021-06-11 06:12:48,872 INFO L132 encePairwiseOnDemand]: 212/215 looper letters, 3 selfloop transitions, 3 changer transitions 0/87 dead transitions. [2021-06-11 06:12:48,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 87 transitions, 759 flow [2021-06-11 06:12:48,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:12:48,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:12:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2021-06-11 06:12:48,875 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8651162790697674 [2021-06-11 06:12:48,875 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 558 transitions. [2021-06-11 06:12:48,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 558 transitions. [2021-06-11 06:12:48,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:48,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 558 transitions. [2021-06-11 06:12:48,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:48,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:48,878 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:48,878 INFO L185 Difference]: Start difference. First operand has 84 places, 87 transitions, 747 flow. Second operand 3 states and 558 transitions. [2021-06-11 06:12:48,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 87 transitions, 759 flow [2021-06-11 06:12:48,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 87 transitions, 705 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-06-11 06:12:48,916 INFO L241 Difference]: Finished difference. Result has 84 places, 87 transitions, 704 flow [2021-06-11 06:12:48,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=84, PETRI_TRANSITIONS=87} [2021-06-11 06:12:48,916 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 38 predicate places. [2021-06-11 06:12:48,916 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:48,916 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 87 transitions, 704 flow [2021-06-11 06:12:48,917 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 87 transitions, 704 flow [2021-06-11 06:12:48,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 87 transitions, 704 flow [2021-06-11 06:12:49,094 INFO L129 PetriNetUnfolder]: 842/1681 cut-off events. [2021-06-11 06:12:49,094 INFO L130 PetriNetUnfolder]: For 8504/9945 co-relation queries the response was YES. [2021-06-11 06:12:49,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7395 conditions, 1681 events. 842/1681 cut-off events. For 8504/9945 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 12876 event pairs, 103 based on Foata normal form. 81/1508 useless extension candidates. Maximal degree in co-relation 7361. Up to 843 conditions per place. [2021-06-11 06:12:49,128 INFO L151 LiptonReduction]: Number of co-enabled transitions 1894 [2021-06-11 06:12:49,149 INFO L163 LiptonReduction]: Checked pairs total: 572 [2021-06-11 06:12:49,149 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:49,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 233 [2021-06-11 06:12:49,150 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 87 transitions, 704 flow [2021-06-11 06:12:49,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 185.0) internal successors, (555), 3 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:49,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:49,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:49,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 06:12:49,151 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:49,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:49,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1892293688, now seen corresponding path program 1 times [2021-06-11 06:12:49,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:49,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976979033] [2021-06-11 06:12:49,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:49,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:49,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:49,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:49,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:49,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:49,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:49,216 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:12:49,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:49,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:49,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:49,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:49,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976979033] [2021-06-11 06:12:49,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:49,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:12:49,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537064381] [2021-06-11 06:12:49,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:12:49,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:49,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:12:49,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:12:49,231 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2021-06-11 06:12:49,232 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 87 transitions, 704 flow. Second operand has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:49,232 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:49,232 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2021-06-11 06:12:49,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:49,501 INFO L129 PetriNetUnfolder]: 662/1355 cut-off events. [2021-06-11 06:12:49,501 INFO L130 PetriNetUnfolder]: For 10323/20993 co-relation queries the response was YES. [2021-06-11 06:12:49,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6517 conditions, 1355 events. 662/1355 cut-off events. For 10323/20993 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 9892 event pairs, 7 based on Foata normal form. 857/1945 useless extension candidates. Maximal degree in co-relation 6481. Up to 714 conditions per place. [2021-06-11 06:12:49,514 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 7 selfloop transitions, 32 changer transitions 4/95 dead transitions. [2021-06-11 06:12:49,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 95 transitions, 860 flow [2021-06-11 06:12:49,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 06:12:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 06:12:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1601 transitions. [2021-06-11 06:12:49,518 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.827390180878553 [2021-06-11 06:12:49,518 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1601 transitions. [2021-06-11 06:12:49,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1601 transitions. [2021-06-11 06:12:49,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:49,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1601 transitions. [2021-06-11 06:12:49,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 177.88888888888889) internal successors, (1601), 9 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:49,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 215.0) internal successors, (2150), 10 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:49,526 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 215.0) internal successors, (2150), 10 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:49,526 INFO L185 Difference]: Start difference. First operand has 84 places, 87 transitions, 704 flow. Second operand 9 states and 1601 transitions. [2021-06-11 06:12:49,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 95 transitions, 860 flow [2021-06-11 06:12:49,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 95 transitions, 833 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-06-11 06:12:49,550 INFO L241 Difference]: Finished difference. Result has 92 places, 91 transitions, 814 flow [2021-06-11 06:12:49,550 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=814, PETRI_PLACES=92, PETRI_TRANSITIONS=91} [2021-06-11 06:12:49,551 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 46 predicate places. [2021-06-11 06:12:49,551 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:49,551 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 91 transitions, 814 flow [2021-06-11 06:12:49,551 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 91 transitions, 814 flow [2021-06-11 06:12:49,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 91 transitions, 814 flow [2021-06-11 06:12:49,674 INFO L129 PetriNetUnfolder]: 636/1323 cut-off events. [2021-06-11 06:12:49,675 INFO L130 PetriNetUnfolder]: For 10987/13083 co-relation queries the response was YES. [2021-06-11 06:12:49,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6729 conditions, 1323 events. 636/1323 cut-off events. For 10987/13083 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 10054 event pairs, 12 based on Foata normal form. 49/1139 useless extension candidates. Maximal degree in co-relation 6692. Up to 683 conditions per place. [2021-06-11 06:12:49,702 INFO L151 LiptonReduction]: Number of co-enabled transitions 1998 [2021-06-11 06:12:49,708 INFO L163 LiptonReduction]: Checked pairs total: 607 [2021-06-11 06:12:49,708 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:49,709 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-06-11 06:12:49,709 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 91 transitions, 814 flow [2021-06-11 06:12:49,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:49,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:49,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:49,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 06:12:49,717 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:49,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:49,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1122558056, now seen corresponding path program 1 times [2021-06-11 06:12:49,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:49,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235752668] [2021-06-11 06:12:49,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:49,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:49,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:49,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:49,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:49,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:49,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:49,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:49,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:49,807 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:12:49,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:12:49,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:49,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:49,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235752668] [2021-06-11 06:12:49,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:49,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:12:49,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461656421] [2021-06-11 06:12:49,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:12:49,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:49,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:12:49,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:12:49,821 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2021-06-11 06:12:49,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 91 transitions, 814 flow. Second operand has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:49,823 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:49,823 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2021-06-11 06:12:49,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:50,097 INFO L129 PetriNetUnfolder]: 607/1257 cut-off events. [2021-06-11 06:12:50,097 INFO L130 PetriNetUnfolder]: For 15812/29710 co-relation queries the response was YES. [2021-06-11 06:12:50,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7336 conditions, 1257 events. 607/1257 cut-off events. For 15812/29710 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 9272 event pairs, 0 based on Foata normal form. 775/1770 useless extension candidates. Maximal degree in co-relation 7297. Up to 649 conditions per place. [2021-06-11 06:12:50,116 INFO L132 encePairwiseOnDemand]: 207/215 looper letters, 2 selfloop transitions, 37 changer transitions 5/96 dead transitions. [2021-06-11 06:12:50,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 96 transitions, 952 flow [2021-06-11 06:12:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 06:12:50,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 06:12:50,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1949 transitions. [2021-06-11 06:12:50,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8241014799154334 [2021-06-11 06:12:50,120 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1949 transitions. [2021-06-11 06:12:50,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1949 transitions. [2021-06-11 06:12:50,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:50,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1949 transitions. [2021-06-11 06:12:50,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 177.1818181818182) internal successors, (1949), 11 states have internal predecessors, (1949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:50,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 215.0) internal successors, (2580), 12 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:50,128 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 215.0) internal successors, (2580), 12 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:50,128 INFO L185 Difference]: Start difference. First operand has 92 places, 91 transitions, 814 flow. Second operand 11 states and 1949 transitions. [2021-06-11 06:12:50,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 96 transitions, 952 flow [2021-06-11 06:12:50,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 96 transitions, 814 flow, removed 43 selfloop flow, removed 7 redundant places. [2021-06-11 06:12:50,219 INFO L241 Difference]: Finished difference. Result has 98 places, 91 transitions, 765 flow [2021-06-11 06:12:50,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=765, PETRI_PLACES=98, PETRI_TRANSITIONS=91} [2021-06-11 06:12:50,219 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 52 predicate places. [2021-06-11 06:12:50,219 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:50,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 91 transitions, 765 flow [2021-06-11 06:12:50,219 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 91 transitions, 765 flow [2021-06-11 06:12:50,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 91 transitions, 765 flow [2021-06-11 06:12:50,348 INFO L129 PetriNetUnfolder]: 601/1247 cut-off events. [2021-06-11 06:12:50,349 INFO L130 PetriNetUnfolder]: For 7726/8967 co-relation queries the response was YES. [2021-06-11 06:12:50,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5695 conditions, 1247 events. 601/1247 cut-off events. For 7726/8967 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 9365 event pairs, 0 based on Foata normal form. 34/1039 useless extension candidates. Maximal degree in co-relation 5657. Up to 440 conditions per place. [2021-06-11 06:12:50,371 INFO L151 LiptonReduction]: Number of co-enabled transitions 1970 [2021-06-11 06:12:50,377 INFO L163 LiptonReduction]: Checked pairs total: 683 [2021-06-11 06:12:50,377 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:50,377 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-06-11 06:12:50,378 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 91 transitions, 765 flow [2021-06-11 06:12:50,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:50,378 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:50,379 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:50,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-11 06:12:50,379 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:50,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:50,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1385331584, now seen corresponding path program 1 times [2021-06-11 06:12:50,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:50,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971346014] [2021-06-11 06:12:50,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:50,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:50,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:50,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:50,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:50,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:50,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:50,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971346014] [2021-06-11 06:12:50,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:50,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:12:50,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752475633] [2021-06-11 06:12:50,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:12:50,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:50,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:12:50,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:12:50,442 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 215 [2021-06-11 06:12:50,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 91 transitions, 765 flow. Second operand has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:50,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:50,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 215 [2021-06-11 06:12:50,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:50,733 INFO L129 PetriNetUnfolder]: 1205/2477 cut-off events. [2021-06-11 06:12:50,733 INFO L130 PetriNetUnfolder]: For 14640/16942 co-relation queries the response was YES. [2021-06-11 06:12:50,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11372 conditions, 2477 events. 1205/2477 cut-off events. For 14640/16942 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 21042 event pairs, 0 based on Foata normal form. 74/2061 useless extension candidates. Maximal degree in co-relation 11332. Up to 904 conditions per place. [2021-06-11 06:12:50,769 INFO L132 encePairwiseOnDemand]: 212/215 looper letters, 3 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2021-06-11 06:12:50,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 92 transitions, 777 flow [2021-06-11 06:12:50,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:12:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:12:50,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 738 transitions. [2021-06-11 06:12:50,771 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.858139534883721 [2021-06-11 06:12:50,771 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 738 transitions. [2021-06-11 06:12:50,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 738 transitions. [2021-06-11 06:12:50,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:50,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 738 transitions. [2021-06-11 06:12:50,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 184.5) internal successors, (738), 4 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:50,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 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) [2021-06-11 06:12:50,774 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 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) [2021-06-11 06:12:50,775 INFO L185 Difference]: Start difference. First operand has 97 places, 91 transitions, 765 flow. Second operand 4 states and 738 transitions. [2021-06-11 06:12:50,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 92 transitions, 777 flow [2021-06-11 06:12:51,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 92 transitions, 658 flow, removed 25 selfloop flow, removed 10 redundant places. [2021-06-11 06:12:51,069 INFO L241 Difference]: Finished difference. Result has 92 places, 92 transitions, 659 flow [2021-06-11 06:12:51,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=659, PETRI_PLACES=92, PETRI_TRANSITIONS=92} [2021-06-11 06:12:51,070 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 46 predicate places. [2021-06-11 06:12:51,070 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:51,070 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 92 transitions, 659 flow [2021-06-11 06:12:51,070 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 92 transitions, 659 flow [2021-06-11 06:12:51,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 92 transitions, 659 flow [2021-06-11 06:12:51,222 INFO L129 PetriNetUnfolder]: 1205/2477 cut-off events. [2021-06-11 06:12:51,222 INFO L130 PetriNetUnfolder]: For 7634/8465 co-relation queries the response was YES. [2021-06-11 06:12:51,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9553 conditions, 2477 events. 1205/2477 cut-off events. For 7634/8465 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 21371 event pairs, 1 based on Foata normal form. 63/2065 useless extension candidates. Maximal degree in co-relation 9517. Up to 904 conditions per place. [2021-06-11 06:12:51,262 INFO L151 LiptonReduction]: Number of co-enabled transitions 2034 [2021-06-11 06:12:51,273 INFO L163 LiptonReduction]: Checked pairs total: 98 [2021-06-11 06:12:51,273 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:51,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 203 [2021-06-11 06:12:51,274 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 92 transitions, 659 flow [2021-06-11 06:12:51,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:51,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:51,274 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:51,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-11 06:12:51,274 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:51,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:51,275 INFO L82 PathProgramCache]: Analyzing trace with hash -359399916, now seen corresponding path program 2 times [2021-06-11 06:12:51,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:51,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469452480] [2021-06-11 06:12:51,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:12:51,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:51,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:12:51,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:12:51,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:12:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:12:51,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469452480] [2021-06-11 06:12:51,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:12:51,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:12:51,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100137910] [2021-06-11 06:12:51,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:12:51,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:12:51,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:12:51,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:12:51,338 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 215 [2021-06-11 06:12:51,338 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 92 transitions, 659 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:51,338 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:12:51,338 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 215 [2021-06-11 06:12:51,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:12:51,660 INFO L129 PetriNetUnfolder]: 1816/3630 cut-off events. [2021-06-11 06:12:51,660 INFO L130 PetriNetUnfolder]: For 11238/12469 co-relation queries the response was YES. [2021-06-11 06:12:51,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14083 conditions, 3630 events. 1816/3630 cut-off events. For 11238/12469 co-relation queries the response was YES. Maximal size of possible extension queue 691. Compared 31807 event pairs, 1 based on Foata normal form. 108/2996 useless extension candidates. Maximal degree in co-relation 14045. Up to 1296 conditions per place. [2021-06-11 06:12:51,693 INFO L132 encePairwiseOnDemand]: 212/215 looper letters, 5 selfloop transitions, 3 changer transitions 0/93 dead transitions. [2021-06-11 06:12:51,693 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 93 transitions, 677 flow [2021-06-11 06:12:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:12:51,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:12:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2021-06-11 06:12:51,695 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8635658914728682 [2021-06-11 06:12:51,696 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 557 transitions. [2021-06-11 06:12:51,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 557 transitions. [2021-06-11 06:12:51,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:12:51,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 557 transitions. [2021-06-11 06:12:51,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:51,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:51,698 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:51,698 INFO L185 Difference]: Start difference. First operand has 92 places, 92 transitions, 659 flow. Second operand 3 states and 557 transitions. [2021-06-11 06:12:51,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 93 transitions, 677 flow [2021-06-11 06:12:52,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 93 transitions, 676 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:12:52,129 INFO L241 Difference]: Finished difference. Result has 94 places, 92 transitions, 669 flow [2021-06-11 06:12:52,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2021-06-11 06:12:52,129 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 48 predicate places. [2021-06-11 06:12:52,129 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:12:52,129 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 92 transitions, 669 flow [2021-06-11 06:12:52,129 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 92 transitions, 669 flow [2021-06-11 06:12:52,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 92 transitions, 669 flow [2021-06-11 06:12:52,345 INFO L129 PetriNetUnfolder]: 1734/3464 cut-off events. [2021-06-11 06:12:52,346 INFO L130 PetriNetUnfolder]: For 10692/11800 co-relation queries the response was YES. [2021-06-11 06:12:52,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13447 conditions, 3464 events. 1734/3464 cut-off events. For 10692/11800 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 31296 event pairs, 1 based on Foata normal form. 90/2864 useless extension candidates. Maximal degree in co-relation 13410. Up to 1232 conditions per place. [2021-06-11 06:12:52,414 INFO L151 LiptonReduction]: Number of co-enabled transitions 2034 [2021-06-11 06:12:52,424 INFO L163 LiptonReduction]: Checked pairs total: 98 [2021-06-11 06:12:52,424 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:12:52,424 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 295 [2021-06-11 06:12:52,424 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 669 flow [2021-06-11 06:12:52,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:12:52,425 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:12:52,425 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:12:52,425 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-11 06:12:52,425 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:12:52,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:12:52,425 INFO L82 PathProgramCache]: Analyzing trace with hash 221011112, now seen corresponding path program 3 times [2021-06-11 06:12:52,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:12:52,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763653500] [2021-06-11 06:12:52,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:12:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:12:52,468 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:12:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:12:52,535 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:12:52,606 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 06:12:52,606 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 06:12:52,606 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-11 06:12:52,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:12:52 BasicIcfg [2021-06-11 06:12:52,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 06:12:52,726 INFO L168 Benchmark]: Toolchain (without parser) took 26786.33 ms. Allocated memory was 333.4 MB in the beginning and 796.9 MB in the end (delta: 463.5 MB). Free memory was 295.3 MB in the beginning and 741.0 MB in the end (delta: -445.7 MB). Peak memory consumption was 466.9 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:52,726 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 333.4 MB. Free memory was 313.9 MB in the beginning and 313.8 MB in the end (delta: 71.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:12:52,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.20 ms. Allocated memory is still 333.4 MB. Free memory was 295.1 MB in the beginning and 290.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:52,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.86 ms. Allocated memory is still 333.4 MB. Free memory was 290.8 MB in the beginning and 287.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:52,727 INFO L168 Benchmark]: Boogie Preprocessor took 39.92 ms. Allocated memory is still 333.4 MB. Free memory was 287.7 MB in the beginning and 285.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:52,727 INFO L168 Benchmark]: RCFGBuilder took 1793.22 ms. Allocated memory is still 333.4 MB. Free memory was 285.6 MB in the beginning and 228.4 MB in the end (delta: 57.2 MB). Peak memory consumption was 152.6 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:52,727 INFO L168 Benchmark]: TraceAbstraction took 24253.67 ms. Allocated memory was 333.4 MB in the beginning and 796.9 MB in the end (delta: 463.5 MB). Free memory was 227.3 MB in the beginning and 741.0 MB in the end (delta: -513.7 MB). Peak memory consumption was 397.5 MB. Max. memory is 16.0 GB. [2021-06-11 06:12:52,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 333.4 MB. Free memory was 313.9 MB in the beginning and 313.8 MB in the end (delta: 71.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 620.20 ms. Allocated memory is still 333.4 MB. Free memory was 295.1 MB in the beginning and 290.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 72.86 ms. Allocated memory is still 333.4 MB. Free memory was 290.8 MB in the beginning and 287.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.92 ms. Allocated memory is still 333.4 MB. Free memory was 287.7 MB in the beginning and 285.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1793.22 ms. Allocated memory is still 333.4 MB. Free memory was 285.6 MB in the beginning and 228.4 MB in the end (delta: 57.2 MB). Peak memory consumption was 152.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 24253.67 ms. Allocated memory was 333.4 MB in the beginning and 796.9 MB in the end (delta: 463.5 MB). Free memory was 227.3 MB in the beginning and 741.0 MB in the end (delta: -513.7 MB). Peak memory consumption was 397.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6673.7ms, 122 PlacesBefore, 46 PlacesAfterwards, 111 TransitionsBefore, 34 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 8 FixpointIterations, 39 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 98 TotalNumberOfCompositions, 8174 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3003, positive: 2782, positive conditional: 0, positive unconditional: 2782, negative: 221, negative conditional: 0, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1764, positive: 1721, positive conditional: 0, positive unconditional: 1721, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1764, positive: 1721, positive conditional: 0, positive unconditional: 1721, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1764, positive: 1697, positive conditional: 0, positive unconditional: 1697, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 67, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 897, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 847, negative conditional: 0, negative unconditional: 847, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3003, positive: 1061, positive conditional: 0, positive unconditional: 1061, negative: 178, negative conditional: 0, negative unconditional: 178, unknown: 1764, unknown conditional: 0, unknown unconditional: 1764] , Statistics on independence cache: Total cache size (in pairs): 3191, Positive cache size: 3148, Positive conditional cache size: 0, Positive unconditional cache size: 3148, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8918.5ms, 42 PlacesBefore, 41 PlacesAfterwards, 31 TransitionsBefore, 30 TransitionsAfterwards, 488 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1094 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 345, positive: 291, positive conditional: 0, positive unconditional: 291, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 85, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 85, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 85, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 441, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 391, negative conditional: 0, negative unconditional: 391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 345, positive: 222, positive conditional: 0, positive unconditional: 222, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 85, unknown conditional: 0, unknown unconditional: 85] , Statistics on independence cache: Total cache size (in pairs): 3314, Positive cache size: 3255, Positive conditional cache size: 0, Positive unconditional cache size: 3255, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.3ms, 45 PlacesBefore, 41 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 436 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 448 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 142, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 142, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 3318, Positive cache size: 3256, Positive conditional cache size: 0, Positive unconditional cache size: 3256, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.7ms, 42 PlacesBefore, 42 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 418 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 142, positive: 121, positive conditional: 0, positive unconditional: 121, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 142, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 3320, Positive cache size: 3258, Positive conditional cache size: 0, Positive unconditional cache size: 3258, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.4ms, 43 PlacesBefore, 43 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 346 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 76, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 76, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 3325, Positive cache size: 3263, Positive conditional cache size: 0, Positive unconditional cache size: 3263, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 108.3ms, 47 PlacesBefore, 47 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 221 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 78, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 78, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 3334, Positive cache size: 3268, Positive conditional cache size: 0, Positive unconditional cache size: 3268, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 99.3ms, 53 PlacesBefore, 53 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 736 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 265 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 91, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 91, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 3338, Positive cache size: 3270, Positive conditional cache size: 0, Positive unconditional cache size: 3270, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.7ms, 57 PlacesBefore, 57 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 282 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 116, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 116, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3338, Positive cache size: 3270, Positive conditional cache size: 0, Positive unconditional cache size: 3270, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.2ms, 62 PlacesBefore, 62 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 884 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 427 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 91, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 91, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3339, Positive cache size: 3271, Positive conditional cache size: 0, Positive unconditional cache size: 3271, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.9ms, 65 PlacesBefore, 65 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 942 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 491 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 222, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 222, positive: 208, positive conditional: 0, positive unconditional: 208, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3340, Positive cache size: 3272, Positive conditional cache size: 0, Positive unconditional cache size: 3272, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.9ms, 73 PlacesBefore, 73 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 1164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 796 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 148, positive: 130, positive conditional: 0, positive unconditional: 130, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 148, positive: 130, positive conditional: 0, positive unconditional: 130, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3340, Positive cache size: 3272, Positive conditional cache size: 0, Positive unconditional cache size: 3272, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 205.4ms, 79 PlacesBefore, 79 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 1614 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 700 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 162, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 162, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3340, Positive cache size: 3272, Positive conditional cache size: 0, Positive unconditional cache size: 3272, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 198.8ms, 84 PlacesBefore, 84 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 1894 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 572 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3340, Positive cache size: 3272, Positive conditional cache size: 0, Positive unconditional cache size: 3272, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 232.6ms, 84 PlacesBefore, 84 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 1894 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 572 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 216, positive: 205, positive conditional: 0, positive unconditional: 205, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 216, positive: 205, positive conditional: 0, positive unconditional: 205, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3340, Positive cache size: 3272, Positive conditional cache size: 0, Positive unconditional cache size: 3272, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 157.5ms, 92 PlacesBefore, 92 PlacesAfterwards, 91 TransitionsBefore, 91 TransitionsAfterwards, 1998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 607 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 434, positive: 423, positive conditional: 0, positive unconditional: 423, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 434, positive: 423, positive conditional: 0, positive unconditional: 423, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3340, Positive cache size: 3272, Positive conditional cache size: 0, Positive unconditional cache size: 3272, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 157.9ms, 98 PlacesBefore, 97 PlacesAfterwards, 91 TransitionsBefore, 91 TransitionsAfterwards, 1970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 683 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 477, positive: 464, positive conditional: 0, positive unconditional: 464, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 477, positive: 454, positive conditional: 0, positive unconditional: 454, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 3350, Positive cache size: 3282, Positive conditional cache size: 0, Positive unconditional cache size: 3282, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 203.1ms, 92 PlacesBefore, 92 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 2034 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 98 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 58, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 58, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3351, Positive cache size: 3283, Positive conditional cache size: 0, Positive unconditional cache size: 3283, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 294.4ms, 94 PlacesBefore, 94 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 2034 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 98 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 52, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3351, Positive cache size: 3283, Positive conditional cache size: 0, Positive unconditional cache size: 3283, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int __unbuffered_p3_EBX = 0; [L716] 0 int a = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; [L729] 0 _Bool y$r_buff0_thd4; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$r_buff1_thd4; [L735] 0 _Bool y$read_delayed; [L736] 0 int *y$read_delayed_var; [L737] 0 int y$w_buff0; [L738] 0 _Bool y$w_buff0_used; [L739] 0 int y$w_buff1; [L740] 0 _Bool y$w_buff1_used; [L742] 0 int z = 0; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L844] 0 pthread_t t813; [L845] FCALL, FORK 0 pthread_create(&t813, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L846] 0 pthread_t t814; [L847] FCALL, FORK 0 pthread_create(&t814, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t815; [L849] FCALL, FORK 0 pthread_create(&t815, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L783] 3 y$w_buff1 = y$w_buff0 [L784] 3 y$w_buff0 = 2 [L785] 3 y$w_buff1_used = y$w_buff0_used [L786] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L788] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L789] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L790] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L791] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L792] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L793] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L850] 0 pthread_t t816; [L851] FCALL, FORK 0 pthread_create(&t816, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L816] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L819] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L748] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L763] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L766] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L799] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L799] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L800] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L800] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L801] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L803] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L771] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L772] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L773] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L822] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L822] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L823] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L823] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L824] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L825] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L825] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L826] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L776] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L778] 2 return 0; [L806] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 3 return 0; [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 4 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 y$flush_delayed = weak$$choice2 [L867] 0 y$mem_tmp = y [L868] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L868] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L869] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L869] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L869] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L869] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L870] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L870] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L870] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L870] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L871] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L871] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L871] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L871] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L872] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L872] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L873] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L873] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L873] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L874] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L874] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L876] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L876] 0 y = y$flush_delayed ? y$mem_tmp : y [L877] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 24037.2ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4448.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6755.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 72 SDtfs, 60 SDslu, 23 SDs, 0 SdLazy, 463 SolverSat, 152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 543.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 545.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=814occurred in iteration=14, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 62.2ms SsaConstructionTime, 448.3ms SatisfiabilityAnalysisTime, 1031.5ms InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 1500 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...