/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/mix036_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 06:14:40,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 06:14:40,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 06:14:40,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 06:14:40,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 06:14:40,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 06:14:40,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 06:14:40,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 06:14:40,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 06:14:40,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 06:14:40,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 06:14:40,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 06:14:40,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 06:14:40,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 06:14:40,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 06:14:40,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 06:14:40,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 06:14:40,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 06:14:40,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 06:14:40,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 06:14:40,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 06:14:40,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 06:14:40,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 06:14:40,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 06:14:40,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 06:14:40,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 06:14:40,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 06:14:40,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 06:14:40,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 06:14:40,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 06:14:40,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 06:14:40,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 06:14:40,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 06:14:40,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 06:14:40,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 06:14:40,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 06:14:40,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 06:14:40,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 06:14:40,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 06:14:40,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 06:14:40,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 06:14:40,493 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 06:14:40,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 06:14:40,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 06:14:40,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 06:14:40,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 06:14:40,517 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 06:14:40,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 06:14:40,518 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 06:14:40,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 06:14:40,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 06:14:40,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 06:14:40,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 06:14:40,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 06:14:40,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 06:14:40,519 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 06:14:40,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 06:14:40,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 06:14:40,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 06:14:40,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 06:14:40,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 06:14:40,520 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 06:14:40,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 06:14:40,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:14:40,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 06:14:40,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 06:14:40,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 06:14:40,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 06:14:40,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 06:14:40,522 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 06:14:40,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 06:14:40,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 06:14:40,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 06:14:40,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 06:14:40,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 06:14:40,829 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 06:14:40,830 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 06:14:40,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036_pso.oepc.i [2021-06-11 06:14:40,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3d61bf41/5c988712ff054d359b9babc0c46184ab/FLAG47a5b84cc [2021-06-11 06:14:41,483 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 06:14:41,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036_pso.oepc.i [2021-06-11 06:14:41,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3d61bf41/5c988712ff054d359b9babc0c46184ab/FLAG47a5b84cc [2021-06-11 06:14:41,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3d61bf41/5c988712ff054d359b9babc0c46184ab [2021-06-11 06:14:41,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 06:14:41,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 06:14:41,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 06:14:41,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 06:14:41,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 06:14:41,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:14:41" (1/1) ... [2021-06-11 06:14:41,944 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 06:14:41, skipping insertion in model container [2021-06-11 06:14:41,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:14:41" (1/1) ... [2021-06-11 06:14:41,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 06:14:42,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 06:14:42,129 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/mix036_pso.oepc.i[949,962] [2021-06-11 06:14:42,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:14:42,354 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 06:14:42,363 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/mix036_pso.oepc.i[949,962] [2021-06-11 06:14:42,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:14:42,467 INFO L208 MainTranslator]: Completed translation [2021-06-11 06:14:42,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42 WrapperNode [2021-06-11 06:14:42,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 06:14:42,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 06:14:42,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 06:14:42,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 06:14:42,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42" (1/1) ... [2021-06-11 06:14:42,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42" (1/1) ... [2021-06-11 06:14:42,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 06:14:42,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 06:14:42,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 06:14:42,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 06:14:42,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42" (1/1) ... [2021-06-11 06:14:42,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42" (1/1) ... [2021-06-11 06:14:42,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42" (1/1) ... [2021-06-11 06:14:42,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42" (1/1) ... [2021-06-11 06:14:42,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42" (1/1) ... [2021-06-11 06:14:42,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42" (1/1) ... [2021-06-11 06:14:42,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42" (1/1) ... [2021-06-11 06:14:42,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 06:14:42,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 06:14:42,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 06:14:42,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 06:14:42,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42" (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 06:14:42,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 06:14:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 06:14:42,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 06:14:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 06:14:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 06:14:42,651 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 06:14:42,651 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 06:14:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 06:14:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 06:14:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 06:14:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-11 06:14:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-11 06:14:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 06:14:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 06:14:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 06:14:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 06:14:42,655 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 06:14:44,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 06:14:44,418 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 06:14:44,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:14:44 BoogieIcfgContainer [2021-06-11 06:14:44,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 06:14:44,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 06:14:44,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 06:14:44,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 06:14:44,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:14:41" (1/3) ... [2021-06-11 06:14:44,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f5ea04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:14:44, skipping insertion in model container [2021-06-11 06:14:44,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:14:42" (2/3) ... [2021-06-11 06:14:44,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f5ea04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:14:44, skipping insertion in model container [2021-06-11 06:14:44,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:14:44" (3/3) ... [2021-06-11 06:14:44,426 INFO L111 eAbstractionObserver]: Analyzing ICFG mix036_pso.oepc.i [2021-06-11 06:14:44,431 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 06:14:44,441 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 06:14:44,441 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 06:14:44,481 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,481 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,481 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,481 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,481 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,481 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,481 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,482 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,482 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,482 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,482 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,482 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,482 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,482 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,482 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,487 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,487 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,487 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,487 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,491 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,491 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,491 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,491 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,492 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,495 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,495 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,495 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,495 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,495 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,497 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,499 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,500 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,500 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,502 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,507 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,508 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,509 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,511 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,512 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,513 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,514 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,517 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,518 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,518 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,518 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,519 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,520 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,520 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,528 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,531 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,535 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,535 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,535 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,537 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,537 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,539 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,539 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:14:44,540 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 06:14:44,556 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 06:14:44,582 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 06:14:44,582 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 06:14:44,582 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 06:14:44,582 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 06:14:44,582 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 06:14:44,582 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 06:14:44,582 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 06:14:44,582 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 06:14:44,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 121 transitions, 262 flow [2021-06-11 06:14:44,654 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-06-11 06:14:44,654 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:14:44,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-06-11 06:14:44,667 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 121 transitions, 262 flow [2021-06-11 06:14:44,670 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 117 transitions, 246 flow [2021-06-11 06:14:44,672 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:14:44,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 117 transitions, 246 flow [2021-06-11 06:14:44,688 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 117 transitions, 246 flow [2021-06-11 06:14:44,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 246 flow [2021-06-11 06:14:44,725 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-06-11 06:14:44,725 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:14:44,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 92 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-06-11 06:14:44,731 INFO L151 LiptonReduction]: Number of co-enabled transitions 2876 [2021-06-11 06:14:44,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:44,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:44,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:44,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:44,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:14:44,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:44,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:44,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:44,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:44,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:44,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:44,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:44,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:44,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:44,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,310 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:14:45,310 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:14:45,336 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:45,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:45,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:14:45,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:45,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:45,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:14:45,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:45,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:45,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:46,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:46,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:14:46,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,332 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:14:46,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:46,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:46,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:14:46,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:46,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:46,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:47,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:47,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:47,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:47,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:47,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:47,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:47,301 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 06:14:47,723 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-06-11 06:14:47,839 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-11 06:14:47,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:47,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:47,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:47,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 06:14:47,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:47,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:47,866 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-11 06:14:47,866 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:14:47,869 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:47,870 INFO L147 QuantifierPusher]: treesize reduction 50, result has 50.0 percent of original size 50 [2021-06-11 06:14:47,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:47,872 INFO L142 QuantifierPusher]: treesize reduction 50, result has 68.8 percent of original size [2021-06-11 06:14:47,896 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 1] term [2021-06-11 06:14:47,896 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:14:47,899 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:47,901 INFO L147 QuantifierPusher]: treesize reduction 76, result has 39.7 percent of original size 50 [2021-06-11 06:14:47,902 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 3, 2, 1] term [2021-06-11 06:14:47,902 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:14:47,904 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:47,907 INFO L147 QuantifierPusher]: treesize reduction 141, result has 44.3 percent of original size 112 [2021-06-11 06:14:47,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:47,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:48,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:48,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:48,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:48,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:14:48,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:48,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:48,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:48,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:48,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:48,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:14:48,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:48,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,421 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 06:14:48,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:48,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:48,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:48,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:48,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:48,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:48,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:48,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:48,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:14:48,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:49,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:49,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:49,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:49,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:49,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:14:49,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:49,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:49,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:49,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:49,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:49,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 06:14:49,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 06:14:49,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:49,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:49,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 06:14:49,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 06:14:49,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:49,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:49,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:49,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:49,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:14:49,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:49,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:49,779 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-06-11 06:14:49,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:49,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:49,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:49,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:49,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:14:50,272 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-06-11 06:14:50,456 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-06-11 06:14:50,810 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-06-11 06:14:50,975 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-06-11 06:14:50,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:50,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:14:50,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:50,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:51,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:14:51,008 INFO L163 LiptonReduction]: Checked pairs total: 8936 [2021-06-11 06:14:51,009 INFO L165 LiptonReduction]: Total number of compositions: 105 [2021-06-11 06:14:51,011 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6340 [2021-06-11 06:14:51,019 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2021-06-11 06:14:51,019 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:14:51,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:14:51,020 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 06:14:51,020 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:14:51,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:14:51,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1230832, now seen corresponding path program 1 times [2021-06-11 06:14:51,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:14:51,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212331339] [2021-06-11 06:14:51,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:14:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:14:51,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:51,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:51,151 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 06:14:51,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212331339] [2021-06-11 06:14:51,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:14:51,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:14:51,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237723691] [2021-06-11 06:14:51,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:14:51,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:14:51,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:14:51,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:14:51,170 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 226 [2021-06-11 06:14:51,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 36 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 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 06:14:51,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:14:51,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 226 [2021-06-11 06:14:51,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:14:51,315 INFO L129 PetriNetUnfolder]: 133/306 cut-off events. [2021-06-11 06:14:51,316 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:14:51,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 306 events. 133/306 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1565 event pairs, 110 based on Foata normal form. 69/344 useless extension candidates. Maximal degree in co-relation 514. Up to 153 conditions per place. [2021-06-11 06:14:51,321 INFO L132 encePairwiseOnDemand]: 221/226 looper letters, 11 selfloop transitions, 2 changer transitions 1/38 dead transitions. [2021-06-11 06:14:51,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 38 transitions, 114 flow [2021-06-11 06:14:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:14:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:14:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 591 transitions. [2021-06-11 06:14:51,333 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8716814159292036 [2021-06-11 06:14:51,334 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 591 transitions. [2021-06-11 06:14:51,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 591 transitions. [2021-06-11 06:14:51,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:14:51,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 591 transitions. [2021-06-11 06:14:51,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 0 states have call successors, (0), 0 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 06:14:51,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:14:51,348 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:14:51,349 INFO L185 Difference]: Start difference. First operand has 48 places, 36 transitions, 84 flow. Second operand 3 states and 591 transitions. [2021-06-11 06:14:51,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 38 transitions, 114 flow [2021-06-11 06:14:51,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 110 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 06:14:51,353 INFO L241 Difference]: Finished difference. Result has 44 places, 32 transitions, 76 flow [2021-06-11 06:14:51,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=32} [2021-06-11 06:14:51,355 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2021-06-11 06:14:51,356 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:14:51,356 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 32 transitions, 76 flow [2021-06-11 06:14:51,356 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 32 transitions, 76 flow [2021-06-11 06:14:51,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 32 transitions, 76 flow [2021-06-11 06:14:51,360 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-06-11 06:14:51,360 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:14:51,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 32 events. 0/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 59 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 06:14:51,361 INFO L151 LiptonReduction]: Number of co-enabled transitions 522 [2021-06-11 06:14:51,758 INFO L163 LiptonReduction]: Checked pairs total: 612 [2021-06-11 06:14:51,759 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:14:51,759 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 403 [2021-06-11 06:14:51,759 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 76 flow [2021-06-11 06:14:51,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 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 06:14:51,760 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:14:51,760 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:14:51,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 06:14:51,760 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:14:51,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:14:51,761 INFO L82 PathProgramCache]: Analyzing trace with hash 949382505, now seen corresponding path program 1 times [2021-06-11 06:14:51,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:14:51,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902369183] [2021-06-11 06:14:51,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:14:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:14:51,878 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 06:14:51,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:14:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 06:14:51,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902369183] [2021-06-11 06:14:51,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:14:51,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:14:51,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933973495] [2021-06-11 06:14:51,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:14:51,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:14:51,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:14:51,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:14:51,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 226 [2021-06-11 06:14:51,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 76 flow. Second operand has 3 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 06:14:51,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:14:51,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 226 [2021-06-11 06:14:51,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:14:52,009 INFO L129 PetriNetUnfolder]: 154/358 cut-off events. [2021-06-11 06:14:52,009 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:14:52,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 358 events. 154/358 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 1997 event pairs, 61 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 610. Up to 224 conditions per place. [2021-06-11 06:14:52,011 INFO L132 encePairwiseOnDemand]: 218/226 looper letters, 6 selfloop transitions, 5 changer transitions 3/38 dead transitions. [2021-06-11 06:14:52,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 38 transitions, 116 flow [2021-06-11 06:14:52,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:14:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:14:52,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2021-06-11 06:14:52,014 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8407079646017699 [2021-06-11 06:14:52,014 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 570 transitions. [2021-06-11 06:14:52,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 570 transitions. [2021-06-11 06:14:52,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:14:52,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 570 transitions. [2021-06-11 06:14:52,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 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 06:14:52,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:14:52,019 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:14:52,019 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 76 flow. Second operand 3 states and 570 transitions. [2021-06-11 06:14:52,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 38 transitions, 116 flow [2021-06-11 06:14:52,020 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 06:14:52,020 INFO L241 Difference]: Finished difference. Result has 44 places, 35 transitions, 105 flow [2021-06-11 06:14:52,021 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=105, PETRI_PLACES=44, PETRI_TRANSITIONS=35} [2021-06-11 06:14:52,021 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2021-06-11 06:14:52,021 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:14:52,021 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 35 transitions, 105 flow [2021-06-11 06:14:52,022 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 35 transitions, 105 flow [2021-06-11 06:14:52,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 35 transitions, 105 flow [2021-06-11 06:14:52,044 INFO L129 PetriNetUnfolder]: 77/198 cut-off events. [2021-06-11 06:14:52,044 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:14:52,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 198 events. 77/198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 918 event pairs, 47 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 329. Up to 124 conditions per place. [2021-06-11 06:14:52,048 INFO L151 LiptonReduction]: Number of co-enabled transitions 538 [2021-06-11 06:14:52,137 INFO L163 LiptonReduction]: Checked pairs total: 423 [2021-06-11 06:14:52,137 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:14:52,137 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 116 [2021-06-11 06:14:52,138 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 105 flow [2021-06-11 06:14:52,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 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 06:14:52,138 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:14:52,139 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:14:52,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 06:14:52,139 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:14:52,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:14:52,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1823480059, now seen corresponding path program 1 times [2021-06-11 06:14:52,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:14:52,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633195100] [2021-06-11 06:14:52,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:14:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:14:52,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:52,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:52,239 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 06:14:52,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:14:52,248 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 06:14:52,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633195100] [2021-06-11 06:14:52,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:14:52,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:14:52,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400364019] [2021-06-11 06:14:52,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:14:52,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:14:52,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:14:52,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:14:52,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 226 [2021-06-11 06:14:52,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 105 flow. Second operand has 4 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 0 states have call successors, (0), 0 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 06:14:52,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:14:52,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 226 [2021-06-11 06:14:52,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:14:52,297 INFO L129 PetriNetUnfolder]: 61/147 cut-off events. [2021-06-11 06:14:52,298 INFO L130 PetriNetUnfolder]: For 18/95 co-relation queries the response was YES. [2021-06-11 06:14:52,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 147 events. 61/147 cut-off events. For 18/95 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 549 event pairs, 9 based on Foata normal form. 2/142 useless extension candidates. Maximal degree in co-relation 355. Up to 101 conditions per place. [2021-06-11 06:14:52,299 INFO L132 encePairwiseOnDemand]: 223/226 looper letters, 11 selfloop transitions, 3 changer transitions 0/38 dead transitions. [2021-06-11 06:14:52,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 38 transitions, 145 flow [2021-06-11 06:14:52,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:14:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:14:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 566 transitions. [2021-06-11 06:14:52,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8348082595870207 [2021-06-11 06:14:52,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 566 transitions. [2021-06-11 06:14:52,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 566 transitions. [2021-06-11 06:14:52,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:14:52,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 566 transitions. [2021-06-11 06:14:52,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 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 06:14:52,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:14:52,305 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 226.0) internal successors, (904), 4 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:14:52,305 INFO L185 Difference]: Start difference. First operand has 43 places, 35 transitions, 105 flow. Second operand 3 states and 566 transitions. [2021-06-11 06:14:52,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 38 transitions, 145 flow [2021-06-11 06:14:52,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:14:52,308 INFO L241 Difference]: Finished difference. Result has 45 places, 35 transitions, 111 flow [2021-06-11 06:14:52,308 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2021-06-11 06:14:52,308 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2021-06-11 06:14:52,308 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:14:52,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 35 transitions, 111 flow [2021-06-11 06:14:52,309 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 35 transitions, 111 flow [2021-06-11 06:14:52,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 35 transitions, 111 flow [2021-06-11 06:14:52,331 INFO L129 PetriNetUnfolder]: 61/159 cut-off events. [2021-06-11 06:14:52,331 INFO L130 PetriNetUnfolder]: For 23/29 co-relation queries the response was YES. [2021-06-11 06:14:52,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 159 events. 61/159 cut-off events. For 23/29 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 674 event pairs, 38 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 295. Up to 101 conditions per place. [2021-06-11 06:14:52,333 INFO L151 LiptonReduction]: Number of co-enabled transitions 536 [2021-06-11 06:14:52,337 INFO L163 LiptonReduction]: Checked pairs total: 421 [2021-06-11 06:14:52,337 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:14:52,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-06-11 06:14:52,338 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 111 flow [2021-06-11 06:14:52,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 0 states have call successors, (0), 0 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 06:14:52,338 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:14:52,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:14:52,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 06:14:52,339 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:14:52,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:14:52,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1823478633, now seen corresponding path program 1 times [2021-06-11 06:14:52,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:14:52,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437029759] [2021-06-11 06:14:52,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:14:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:14:52,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:52,415 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:14:52,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:52,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:52,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:52,421 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 06:14:52,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437029759] [2021-06-11 06:14:52,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:14:52,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:14:52,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429925137] [2021-06-11 06:14:52,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:14:52,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:14:52,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:14:52,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:14:52,423 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 226 [2021-06-11 06:14:52,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 111 flow. Second operand has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 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 06:14:52,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:14:52,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 226 [2021-06-11 06:14:52,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:14:52,527 INFO L129 PetriNetUnfolder]: 434/820 cut-off events. [2021-06-11 06:14:52,527 INFO L130 PetriNetUnfolder]: For 69/76 co-relation queries the response was YES. [2021-06-11 06:14:52,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 820 events. 434/820 cut-off events. For 69/76 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 5164 event pairs, 172 based on Foata normal form. 51/725 useless extension candidates. Maximal degree in co-relation 1675. Up to 362 conditions per place. [2021-06-11 06:14:52,534 INFO L132 encePairwiseOnDemand]: 218/226 looper letters, 10 selfloop transitions, 12 changer transitions 0/49 dead transitions. [2021-06-11 06:14:52,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 49 transitions, 183 flow [2021-06-11 06:14:52,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:14:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:14:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 939 transitions. [2021-06-11 06:14:52,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8309734513274336 [2021-06-11 06:14:52,537 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 939 transitions. [2021-06-11 06:14:52,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 939 transitions. [2021-06-11 06:14:52,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:14:52,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 939 transitions. [2021-06-11 06:14:52,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 187.8) internal successors, (939), 5 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:14:52,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 226.0) internal successors, (1356), 6 states have internal predecessors, (1356), 0 states have call successors, (0), 0 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 06:14:52,543 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 226.0) internal successors, (1356), 6 states have internal predecessors, (1356), 0 states have call successors, (0), 0 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 06:14:52,543 INFO L185 Difference]: Start difference. First operand has 45 places, 35 transitions, 111 flow. Second operand 5 states and 939 transitions. [2021-06-11 06:14:52,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 49 transitions, 183 flow [2021-06-11 06:14:52,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 49 transitions, 177 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:14:52,545 INFO L241 Difference]: Finished difference. Result has 50 places, 45 transitions, 189 flow [2021-06-11 06:14:52,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=189, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2021-06-11 06:14:52,545 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 2 predicate places. [2021-06-11 06:14:52,545 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:14:52,545 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 45 transitions, 189 flow [2021-06-11 06:14:52,546 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 45 transitions, 189 flow [2021-06-11 06:14:52,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 45 transitions, 189 flow [2021-06-11 06:14:52,606 INFO L129 PetriNetUnfolder]: 375/757 cut-off events. [2021-06-11 06:14:52,606 INFO L130 PetriNetUnfolder]: For 443/569 co-relation queries the response was YES. [2021-06-11 06:14:52,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1987 conditions, 757 events. 375/757 cut-off events. For 443/569 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 5074 event pairs, 205 based on Foata normal form. 5/674 useless extension candidates. Maximal degree in co-relation 1974. Up to 418 conditions per place. [2021-06-11 06:14:52,617 INFO L151 LiptonReduction]: Number of co-enabled transitions 738 [2021-06-11 06:14:52,735 INFO L163 LiptonReduction]: Checked pairs total: 602 [2021-06-11 06:14:52,735 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:14:52,735 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 190 [2021-06-11 06:14:52,736 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 189 flow [2021-06-11 06:14:52,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 0 states have call successors, (0), 0 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 06:14:52,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:14:52,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:14:52,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 06:14:52,737 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:14:52,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:14:52,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1826151674, now seen corresponding path program 1 times [2021-06-11 06:14:52,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:14:52,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583572433] [2021-06-11 06:14:52,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:14:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:14:52,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:52,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:52,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:52,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:52,810 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:14:52,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:52,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:52,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:52,817 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 06:14:52,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583572433] [2021-06-11 06:14:52,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:14:52,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:14:52,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994822896] [2021-06-11 06:14:52,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:14:52,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:14:52,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:14:52,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:14:52,819 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 226 [2021-06-11 06:14:52,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 189 flow. Second operand has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 0 states have call successors, (0), 0 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 06:14:52,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:14:52,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 226 [2021-06-11 06:14:52,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:14:52,934 INFO L129 PetriNetUnfolder]: 329/689 cut-off events. [2021-06-11 06:14:52,934 INFO L130 PetriNetUnfolder]: For 825/1647 co-relation queries the response was YES. [2021-06-11 06:14:52,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2383 conditions, 689 events. 329/689 cut-off events. For 825/1647 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 4185 event pairs, 56 based on Foata normal form. 173/789 useless extension candidates. Maximal degree in co-relation 2368. Up to 427 conditions per place. [2021-06-11 06:14:52,942 INFO L132 encePairwiseOnDemand]: 218/226 looper letters, 10 selfloop transitions, 22 changer transitions 0/59 dead transitions. [2021-06-11 06:14:52,942 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 59 transitions, 334 flow [2021-06-11 06:14:52,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:14:52,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:14:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1315 transitions. [2021-06-11 06:14:52,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8312262958280657 [2021-06-11 06:14:52,946 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1315 transitions. [2021-06-11 06:14:52,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1315 transitions. [2021-06-11 06:14:52,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:14:52,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1315 transitions. [2021-06-11 06:14:52,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 187.85714285714286) internal successors, (1315), 7 states have internal predecessors, (1315), 0 states have call successors, (0), 0 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 06:14:52,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 226.0) internal successors, (1808), 8 states have internal predecessors, (1808), 0 states have call successors, (0), 0 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 06:14:52,953 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 226.0) internal successors, (1808), 8 states have internal predecessors, (1808), 0 states have call successors, (0), 0 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 06:14:52,953 INFO L185 Difference]: Start difference. First operand has 50 places, 45 transitions, 189 flow. Second operand 7 states and 1315 transitions. [2021-06-11 06:14:52,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 59 transitions, 334 flow [2021-06-11 06:14:52,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 59 transitions, 334 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 06:14:52,958 INFO L241 Difference]: Finished difference. Result has 59 places, 55 transitions, 337 flow [2021-06-11 06:14:52,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=337, PETRI_PLACES=59, PETRI_TRANSITIONS=55} [2021-06-11 06:14:52,959 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 11 predicate places. [2021-06-11 06:14:52,959 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:14:52,959 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 55 transitions, 337 flow [2021-06-11 06:14:52,959 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 55 transitions, 337 flow [2021-06-11 06:14:52,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 55 transitions, 337 flow [2021-06-11 06:14:53,019 INFO L129 PetriNetUnfolder]: 315/685 cut-off events. [2021-06-11 06:14:53,020 INFO L130 PetriNetUnfolder]: For 1716/2230 co-relation queries the response was YES. [2021-06-11 06:14:53,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2774 conditions, 685 events. 315/685 cut-off events. For 1716/2230 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4496 event pairs, 62 based on Foata normal form. 20/635 useless extension candidates. Maximal degree in co-relation 2756. Up to 417 conditions per place. [2021-06-11 06:14:53,031 INFO L151 LiptonReduction]: Number of co-enabled transitions 964 [2021-06-11 06:14:53,062 INFO L163 LiptonReduction]: Checked pairs total: 1058 [2021-06-11 06:14:53,062 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:14:53,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-06-11 06:14:53,063 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 55 transitions, 337 flow [2021-06-11 06:14:53,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 0 states have call successors, (0), 0 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 06:14:53,063 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:14:53,064 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 06:14:53,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 06:14:53,064 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:14:53,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:14:53,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1483922077, now seen corresponding path program 1 times [2021-06-11 06:14:53,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:14:53,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721607318] [2021-06-11 06:14:53,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:14:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:14:53,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:53,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:53,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:53,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:53,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:53,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:53,220 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:14:53,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:53,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:53,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:53,227 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 06:14:53,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721607318] [2021-06-11 06:14:53,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:14:53,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:14:53,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727563259] [2021-06-11 06:14:53,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:14:53,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:14:53,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:14:53,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:14:53,231 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 226 [2021-06-11 06:14:53,232 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 55 transitions, 337 flow. Second operand has 6 states, 6 states have (on average 183.83333333333334) internal successors, (1103), 6 states have internal predecessors, (1103), 0 states have call successors, (0), 0 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 06:14:53,232 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:14:53,232 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 226 [2021-06-11 06:14:53,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:14:53,367 INFO L129 PetriNetUnfolder]: 274/591 cut-off events. [2021-06-11 06:14:53,367 INFO L130 PetriNetUnfolder]: For 2329/4098 co-relation queries the response was YES. [2021-06-11 06:14:53,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2939 conditions, 591 events. 274/591 cut-off events. For 2329/4098 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 3469 event pairs, 16 based on Foata normal form. 262/789 useless extension candidates. Maximal degree in co-relation 2919. Up to 397 conditions per place. [2021-06-11 06:14:53,374 INFO L132 encePairwiseOnDemand]: 218/226 looper letters, 6 selfloop transitions, 32 changer transitions 4/69 dead transitions. [2021-06-11 06:14:53,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 69 transitions, 555 flow [2021-06-11 06:14:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 06:14:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 06:14:53,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1691 transitions. [2021-06-11 06:14:53,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8313667649950836 [2021-06-11 06:14:53,378 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1691 transitions. [2021-06-11 06:14:53,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1691 transitions. [2021-06-11 06:14:53,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:14:53,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1691 transitions. [2021-06-11 06:14:53,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 187.88888888888889) internal successors, (1691), 9 states have internal predecessors, (1691), 0 states have call successors, (0), 0 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 06:14:53,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 226.0) internal successors, (2260), 10 states have internal predecessors, (2260), 0 states have call successors, (0), 0 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 06:14:53,386 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 226.0) internal successors, (2260), 10 states have internal predecessors, (2260), 0 states have call successors, (0), 0 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 06:14:53,386 INFO L185 Difference]: Start difference. First operand has 59 places, 55 transitions, 337 flow. Second operand 9 states and 1691 transitions. [2021-06-11 06:14:53,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 69 transitions, 555 flow [2021-06-11 06:14:53,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 69 transitions, 500 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-06-11 06:14:53,404 INFO L241 Difference]: Finished difference. Result has 67 places, 65 transitions, 479 flow [2021-06-11 06:14:53,404 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=479, PETRI_PLACES=67, PETRI_TRANSITIONS=65} [2021-06-11 06:14:53,404 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 19 predicate places. [2021-06-11 06:14:53,405 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:14:53,405 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 65 transitions, 479 flow [2021-06-11 06:14:53,405 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 65 transitions, 479 flow [2021-06-11 06:14:53,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 65 transitions, 479 flow [2021-06-11 06:14:53,456 INFO L129 PetriNetUnfolder]: 264/588 cut-off events. [2021-06-11 06:14:53,456 INFO L130 PetriNetUnfolder]: For 2584/2757 co-relation queries the response was YES. [2021-06-11 06:14:53,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2676 conditions, 588 events. 264/588 cut-off events. For 2584/2757 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 3850 event pairs, 19 based on Foata normal form. 1/526 useless extension candidates. Maximal degree in co-relation 2655. Up to 275 conditions per place. [2021-06-11 06:14:53,466 INFO L151 LiptonReduction]: Number of co-enabled transitions 1086 [2021-06-11 06:14:53,509 INFO L163 LiptonReduction]: Checked pairs total: 1534 [2021-06-11 06:14:53,509 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:14:53,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-06-11 06:14:53,510 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 479 flow [2021-06-11 06:14:53,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 183.83333333333334) internal successors, (1103), 6 states have internal predecessors, (1103), 0 states have call successors, (0), 0 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 06:14:53,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:14:53,511 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 06:14:53,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 06:14:53,511 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:14:53,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:14:53,512 INFO L82 PathProgramCache]: Analyzing trace with hash -753438181, now seen corresponding path program 1 times [2021-06-11 06:14:53,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:14:53,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740453345] [2021-06-11 06:14:53,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:14:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:14:53,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:53,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:53,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:53,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:53,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:53,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:53,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:53,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:53,661 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 06:14:53,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:14:53,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:53,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:53,671 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 06:14:53,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740453345] [2021-06-11 06:14:53,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:14:53,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:14:53,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996476998] [2021-06-11 06:14:53,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:14:53,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:14:53,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:14:53,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:14:53,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 226 [2021-06-11 06:14:53,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 479 flow. Second operand has 7 states, 7 states have (on average 183.85714285714286) internal successors, (1287), 7 states have internal predecessors, (1287), 0 states have call successors, (0), 0 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 06:14:53,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:14:53,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 226 [2021-06-11 06:14:53,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:14:53,827 INFO L129 PetriNetUnfolder]: 252/550 cut-off events. [2021-06-11 06:14:53,827 INFO L130 PetriNetUnfolder]: For 2848/3761 co-relation queries the response was YES. [2021-06-11 06:14:53,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2975 conditions, 550 events. 252/550 cut-off events. For 2848/3761 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 3320 event pairs, 11 based on Foata normal form. 184/671 useless extension candidates. Maximal degree in co-relation 2952. Up to 262 conditions per place. [2021-06-11 06:14:53,834 INFO L132 encePairwiseOnDemand]: 218/226 looper letters, 2 selfloop transitions, 37 changer transitions 5/71 dead transitions. [2021-06-11 06:14:53,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 71 transitions, 633 flow [2021-06-11 06:14:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 06:14:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 06:14:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2059 transitions. [2021-06-11 06:14:53,839 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.828238133547868 [2021-06-11 06:14:53,839 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2059 transitions. [2021-06-11 06:14:53,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2059 transitions. [2021-06-11 06:14:53,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:14:53,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2059 transitions. [2021-06-11 06:14:53,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 187.1818181818182) internal successors, (2059), 11 states have internal predecessors, (2059), 0 states have call successors, (0), 0 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 06:14:53,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 226.0) internal successors, (2712), 12 states have internal predecessors, (2712), 0 states have call successors, (0), 0 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 06:14:53,849 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 226.0) internal successors, (2712), 12 states have internal predecessors, (2712), 0 states have call successors, (0), 0 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 06:14:53,849 INFO L185 Difference]: Start difference. First operand has 67 places, 65 transitions, 479 flow. Second operand 11 states and 2059 transitions. [2021-06-11 06:14:53,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 71 transitions, 633 flow [2021-06-11 06:14:53,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 71 transitions, 517 flow, removed 36 selfloop flow, removed 6 redundant places. [2021-06-11 06:14:53,875 INFO L241 Difference]: Finished difference. Result has 74 places, 66 transitions, 468 flow [2021-06-11 06:14:53,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=468, PETRI_PLACES=74, PETRI_TRANSITIONS=66} [2021-06-11 06:14:53,875 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 26 predicate places. [2021-06-11 06:14:53,875 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:14:53,875 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 66 transitions, 468 flow [2021-06-11 06:14:53,876 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 66 transitions, 468 flow [2021-06-11 06:14:53,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 66 transitions, 468 flow [2021-06-11 06:14:53,918 INFO L129 PetriNetUnfolder]: 251/557 cut-off events. [2021-06-11 06:14:53,919 INFO L130 PetriNetUnfolder]: For 1610/1743 co-relation queries the response was YES. [2021-06-11 06:14:53,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2336 conditions, 557 events. 251/557 cut-off events. For 1610/1743 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 3612 event pairs, 14 based on Foata normal form. 1/501 useless extension candidates. Maximal degree in co-relation 2313. Up to 176 conditions per place. [2021-06-11 06:14:53,928 INFO L151 LiptonReduction]: Number of co-enabled transitions 1038 [2021-06-11 06:14:53,936 INFO L163 LiptonReduction]: Checked pairs total: 1464 [2021-06-11 06:14:53,937 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:14:53,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62 [2021-06-11 06:14:53,937 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 66 transitions, 468 flow [2021-06-11 06:14:53,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 183.85714285714286) internal successors, (1287), 7 states have internal predecessors, (1287), 0 states have call successors, (0), 0 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 06:14:53,938 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:14:53,938 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, 1] [2021-06-11 06:14:53,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 06:14:53,938 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:14:53,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:14:53,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1144784488, now seen corresponding path program 1 times [2021-06-11 06:14:53,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:14:53,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120143839] [2021-06-11 06:14:53,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:14:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:14:54,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:54,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:54,023 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-11 06:14:54,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 06:14:54,032 INFO L142 QuantifierPusher]: treesize reduction 10, result has 54.5 percent of original size [2021-06-11 06:14:54,032 INFO L147 QuantifierPusher]: treesize reduction 9, result has 25.0 percent of original size 3 [2021-06-11 06:14:54,042 INFO L142 QuantifierPusher]: treesize reduction 10, result has 56.5 percent of original size [2021-06-11 06:14:54,044 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-06-11 06:14:54,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:54,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:14:54,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:54,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:14:54,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:54,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:14:54,079 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 06:14:54,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120143839] [2021-06-11 06:14:54,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:14:54,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 06:14:54,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181346153] [2021-06-11 06:14:54,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 06:14:54,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:14:54,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 06:14:54,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-11 06:14:54,081 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 226 [2021-06-11 06:14:54,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 66 transitions, 468 flow. Second operand has 8 states, 8 states have (on average 161.75) internal successors, (1294), 8 states have internal predecessors, (1294), 0 states have call successors, (0), 0 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 06:14:54,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:14:54,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 226 [2021-06-11 06:14:54,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:14:54,876 INFO L129 PetriNetUnfolder]: 1909/3769 cut-off events. [2021-06-11 06:14:54,877 INFO L130 PetriNetUnfolder]: For 19222/24704 co-relation queries the response was YES. [2021-06-11 06:14:54,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14899 conditions, 3769 events. 1909/3769 cut-off events. For 19222/24704 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 31242 event pairs, 16 based on Foata normal form. 432/3688 useless extension candidates. Maximal degree in co-relation 14874. Up to 976 conditions per place. [2021-06-11 06:14:54,932 INFO L132 encePairwiseOnDemand]: 213/226 looper letters, 51 selfloop transitions, 39 changer transitions 2/140 dead transitions. [2021-06-11 06:14:54,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 140 transitions, 920 flow [2021-06-11 06:14:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 06:14:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 06:14:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2334 transitions. [2021-06-11 06:14:54,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7376738305941846 [2021-06-11 06:14:54,938 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2334 transitions. [2021-06-11 06:14:54,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2334 transitions. [2021-06-11 06:14:54,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:14:54,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2334 transitions. [2021-06-11 06:14:54,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 166.71428571428572) internal successors, (2334), 14 states have internal predecessors, (2334), 0 states have call successors, (0), 0 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 06:14:54,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 226.0) internal successors, (3390), 15 states have internal predecessors, (3390), 0 states have call successors, (0), 0 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 06:14:54,952 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 226.0) internal successors, (3390), 15 states have internal predecessors, (3390), 0 states have call successors, (0), 0 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 06:14:54,952 INFO L185 Difference]: Start difference. First operand has 73 places, 66 transitions, 468 flow. Second operand 14 states and 2334 transitions. [2021-06-11 06:14:54,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 140 transitions, 920 flow [2021-06-11 06:14:55,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 140 transitions, 789 flow, removed 31 selfloop flow, removed 10 redundant places. [2021-06-11 06:14:55,387 INFO L241 Difference]: Finished difference. Result has 83 places, 98 transitions, 601 flow [2021-06-11 06:14:55,387 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=601, PETRI_PLACES=83, PETRI_TRANSITIONS=98} [2021-06-11 06:14:55,388 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 35 predicate places. [2021-06-11 06:14:55,388 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:14:55,388 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 98 transitions, 601 flow [2021-06-11 06:14:55,388 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 98 transitions, 601 flow [2021-06-11 06:14:55,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 98 transitions, 601 flow [2021-06-11 06:14:55,882 INFO L129 PetriNetUnfolder]: 2023/4370 cut-off events. [2021-06-11 06:14:55,882 INFO L130 PetriNetUnfolder]: For 8975/9290 co-relation queries the response was YES. [2021-06-11 06:14:55,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16006 conditions, 4370 events. 2023/4370 cut-off events. For 8975/9290 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 42133 event pairs, 203 based on Foata normal form. 3/3850 useless extension candidates. Maximal degree in co-relation 15979. Up to 1368 conditions per place. [2021-06-11 06:14:55,967 INFO L151 LiptonReduction]: Number of co-enabled transitions 1908 [2021-06-11 06:14:56,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:56,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:56,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:56,153 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:14:56,153 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:14:56,154 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:56,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:56,445 INFO L163 LiptonReduction]: Checked pairs total: 1686 [2021-06-11 06:14:56,445 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 06:14:56,445 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1057 [2021-06-11 06:14:56,445 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 98 transitions, 601 flow [2021-06-11 06:14:56,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 161.75) internal successors, (1294), 8 states have internal predecessors, (1294), 0 states have call successors, (0), 0 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 06:14:56,446 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:14:56,446 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, 1] [2021-06-11 06:14:56,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 06:14:56,446 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:14:56,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:14:56,447 INFO L82 PathProgramCache]: Analyzing trace with hash 732730594, now seen corresponding path program 2 times [2021-06-11 06:14:56,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:14:56,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292241335] [2021-06-11 06:14:56,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:14:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:14:56,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:56,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:14:56,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:56,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:56,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:14:56,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:14:56,508 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 06:14:56,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:14:56,519 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 06:14:56,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292241335] [2021-06-11 06:14:56,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:14:56,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:14:56,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800523610] [2021-06-11 06:14:56,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:14:56,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:14:56,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:14:56,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:14:56,521 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 228 [2021-06-11 06:14:56,522 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 98 transitions, 601 flow. Second operand has 5 states, 5 states have (on average 179.6) internal successors, (898), 5 states have internal predecessors, (898), 0 states have call successors, (0), 0 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 06:14:56,522 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:14:56,522 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 228 [2021-06-11 06:14:56,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:14:57,382 INFO L129 PetriNetUnfolder]: 3615/7633 cut-off events. [2021-06-11 06:14:57,383 INFO L130 PetriNetUnfolder]: For 15946/16650 co-relation queries the response was YES. [2021-06-11 06:14:57,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28513 conditions, 7633 events. 3615/7633 cut-off events. For 15946/16650 co-relation queries the response was YES. Maximal size of possible extension queue 1129. Compared 76577 event pairs, 220 based on Foata normal form. 43/6825 useless extension candidates. Maximal degree in co-relation 28484. Up to 2376 conditions per place. [2021-06-11 06:14:57,562 INFO L132 encePairwiseOnDemand]: 219/228 looper letters, 24 selfloop transitions, 24 changer transitions 0/121 dead transitions. [2021-06-11 06:14:57,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 121 transitions, 848 flow [2021-06-11 06:14:57,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:14:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:14:57,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1097 transitions. [2021-06-11 06:14:57,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8019005847953217 [2021-06-11 06:14:57,576 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1097 transitions. [2021-06-11 06:14:57,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1097 transitions. [2021-06-11 06:14:57,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:14:57,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1097 transitions. [2021-06-11 06:14:57,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.83333333333334) internal successors, (1097), 6 states have internal predecessors, (1097), 0 states have call successors, (0), 0 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 06:14:57,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 228.0) internal successors, (1596), 7 states have internal predecessors, (1596), 0 states have call successors, (0), 0 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 06:14:57,581 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 228.0) internal successors, (1596), 7 states have internal predecessors, (1596), 0 states have call successors, (0), 0 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 06:14:57,581 INFO L185 Difference]: Start difference. First operand has 83 places, 98 transitions, 601 flow. Second operand 6 states and 1097 transitions. [2021-06-11 06:14:57,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 121 transitions, 848 flow [2021-06-11 06:14:59,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 121 transitions, 827 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:14:59,360 INFO L241 Difference]: Finished difference. Result has 89 places, 108 transitions, 708 flow [2021-06-11 06:14:59,360 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=708, PETRI_PLACES=89, PETRI_TRANSITIONS=108} [2021-06-11 06:14:59,360 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 41 predicate places. [2021-06-11 06:14:59,360 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:14:59,361 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 108 transitions, 708 flow [2021-06-11 06:14:59,361 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 108 transitions, 708 flow [2021-06-11 06:14:59,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 108 transitions, 708 flow [2021-06-11 06:15:00,009 INFO L129 PetriNetUnfolder]: 3667/7813 cut-off events. [2021-06-11 06:15:00,010 INFO L130 PetriNetUnfolder]: For 16245/16990 co-relation queries the response was YES. [2021-06-11 06:15:00,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28799 conditions, 7813 events. 3667/7813 cut-off events. For 16245/16990 co-relation queries the response was YES. Maximal size of possible extension queue 1186. Compared 82096 event pairs, 320 based on Foata normal form. 14/6848 useless extension candidates. Maximal degree in co-relation 28769. Up to 2440 conditions per place. [2021-06-11 06:15:00,109 INFO L151 LiptonReduction]: Number of co-enabled transitions 2010 [2021-06-11 06:15:00,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:00,679 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:15:00,680 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:15:00,680 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:00,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:01,207 INFO L163 LiptonReduction]: Checked pairs total: 1560 [2021-06-11 06:15:01,207 INFO L165 LiptonReduction]: Total number of compositions: 4 [2021-06-11 06:15:01,207 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1847 [2021-06-11 06:15:01,208 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 108 transitions, 708 flow [2021-06-11 06:15:01,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 179.6) internal successors, (898), 5 states have internal predecessors, (898), 0 states have call successors, (0), 0 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 06:15:01,208 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:15:01,209 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 06:15:01,209 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 06:15:01,209 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:15:01,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:15:01,209 INFO L82 PathProgramCache]: Analyzing trace with hash 158408404, now seen corresponding path program 1 times [2021-06-11 06:15:01,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:15:01,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138796344] [2021-06-11 06:15:01,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:15:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:15:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:15:01,281 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-06-11 06:15:01,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 06:15:01,297 INFO L142 QuantifierPusher]: treesize reduction 10, result has 65.5 percent of original size [2021-06-11 06:15:01,297 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-11 06:15:01,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:01,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:15:01,365 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 06:15:01,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138796344] [2021-06-11 06:15:01,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:15:01,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:15:01,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2416413] [2021-06-11 06:15:01,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:15:01,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:15:01,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:15:01,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:15:01,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 232 [2021-06-11 06:15:01,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 108 transitions, 708 flow. Second operand has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 06:15:01,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:15:01,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 232 [2021-06-11 06:15:01,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:15:02,965 INFO L129 PetriNetUnfolder]: 6460/12889 cut-off events. [2021-06-11 06:15:02,966 INFO L130 PetriNetUnfolder]: For 40142/46877 co-relation queries the response was YES. [2021-06-11 06:15:03,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49876 conditions, 12889 events. 6460/12889 cut-off events. For 40142/46877 co-relation queries the response was YES. Maximal size of possible extension queue 2093. Compared 135163 event pairs, 316 based on Foata normal form. 917/11965 useless extension candidates. Maximal degree in co-relation 49844. Up to 4000 conditions per place. [2021-06-11 06:15:03,073 INFO L132 encePairwiseOnDemand]: 214/232 looper letters, 37 selfloop transitions, 49 changer transitions 2/142 dead transitions. [2021-06-11 06:15:03,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 142 transitions, 1152 flow [2021-06-11 06:15:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 06:15:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 06:15:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1277 transitions. [2021-06-11 06:15:03,077 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6880387931034483 [2021-06-11 06:15:03,077 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1277 transitions. [2021-06-11 06:15:03,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1277 transitions. [2021-06-11 06:15:03,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:15:03,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1277 transitions. [2021-06-11 06:15:03,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 159.625) internal successors, (1277), 8 states have internal predecessors, (1277), 0 states have call successors, (0), 0 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 06:15:03,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 232.0) internal successors, (2088), 9 states have internal predecessors, (2088), 0 states have call successors, (0), 0 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 06:15:03,083 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 232.0) internal successors, (2088), 9 states have internal predecessors, (2088), 0 states have call successors, (0), 0 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 06:15:03,083 INFO L185 Difference]: Start difference. First operand has 89 places, 108 transitions, 708 flow. Second operand 8 states and 1277 transitions. [2021-06-11 06:15:03,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 142 transitions, 1152 flow [2021-06-11 06:15:07,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 142 transitions, 1152 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 06:15:07,349 INFO L241 Difference]: Finished difference. Result has 100 places, 124 transitions, 1027 flow [2021-06-11 06:15:07,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1027, PETRI_PLACES=100, PETRI_TRANSITIONS=124} [2021-06-11 06:15:07,349 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 52 predicate places. [2021-06-11 06:15:07,350 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:15:07,350 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 124 transitions, 1027 flow [2021-06-11 06:15:07,350 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 124 transitions, 1027 flow [2021-06-11 06:15:07,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 124 transitions, 1027 flow [2021-06-11 06:15:09,116 INFO L129 PetriNetUnfolder]: 6784/14179 cut-off events. [2021-06-11 06:15:09,116 INFO L130 PetriNetUnfolder]: For 35327/37564 co-relation queries the response was YES. [2021-06-11 06:15:09,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54737 conditions, 14179 events. 6784/14179 cut-off events. For 35327/37564 co-relation queries the response was YES. Maximal size of possible extension queue 2269. Compared 160506 event pairs, 279 based on Foata normal form. 248/12638 useless extension candidates. Maximal degree in co-relation 54701. Up to 4720 conditions per place. [2021-06-11 06:15:09,394 INFO L151 LiptonReduction]: Number of co-enabled transitions 2792 [2021-06-11 06:15:09,405 INFO L163 LiptonReduction]: Checked pairs total: 1066 [2021-06-11 06:15:09,405 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:15:09,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2055 [2021-06-11 06:15:09,406 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 124 transitions, 1027 flow [2021-06-11 06:15:09,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 155.0) internal successors, (930), 6 states have internal predecessors, (930), 0 states have call successors, (0), 0 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 06:15:09,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:15:09,407 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 06:15:09,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 06:15:09,407 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:15:09,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:15:09,407 INFO L82 PathProgramCache]: Analyzing trace with hash 181441410, now seen corresponding path program 2 times [2021-06-11 06:15:09,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:15:09,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172919833] [2021-06-11 06:15:09,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:15:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:15:09,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:09,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 06:15:09,590 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-06-11 06:15:09,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 06:15:09,614 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.7 percent of original size [2021-06-11 06:15:09,615 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-06-11 06:15:09,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:09,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 06:15:09,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:09,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 06:15:09,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:09,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:15:09,674 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 06:15:09,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172919833] [2021-06-11 06:15:09,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:15:09,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:15:09,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511819444] [2021-06-11 06:15:09,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 06:15:09,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:15:09,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 06:15:09,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-11 06:15:09,677 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 232 [2021-06-11 06:15:09,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 124 transitions, 1027 flow. Second operand has 8 states, 8 states have (on average 166.125) internal successors, (1329), 8 states have internal predecessors, (1329), 0 states have call successors, (0), 0 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 06:15:09,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:15:09,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 232 [2021-06-11 06:15:09,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:15:11,282 INFO L129 PetriNetUnfolder]: 7399/15048 cut-off events. [2021-06-11 06:15:11,282 INFO L130 PetriNetUnfolder]: For 53628/60388 co-relation queries the response was YES. [2021-06-11 06:15:11,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59525 conditions, 15048 events. 7399/15048 cut-off events. For 53628/60388 co-relation queries the response was YES. Maximal size of possible extension queue 2753. Compared 166416 event pairs, 203 based on Foata normal form. 777/13608 useless extension candidates. Maximal degree in co-relation 59487. Up to 4944 conditions per place. [2021-06-11 06:15:11,414 INFO L132 encePairwiseOnDemand]: 225/232 looper letters, 33 selfloop transitions, 17 changer transitions 10/138 dead transitions. [2021-06-11 06:15:11,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 138 transitions, 1271 flow [2021-06-11 06:15:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:15:11,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:15:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1178 transitions. [2021-06-11 06:15:11,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7253694581280788 [2021-06-11 06:15:11,418 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1178 transitions. [2021-06-11 06:15:11,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1178 transitions. [2021-06-11 06:15:11,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:15:11,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1178 transitions. [2021-06-11 06:15:11,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 168.28571428571428) internal successors, (1178), 7 states have internal predecessors, (1178), 0 states have call successors, (0), 0 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 06:15:11,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 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 06:15:11,424 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 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 06:15:11,424 INFO L185 Difference]: Start difference. First operand has 100 places, 124 transitions, 1027 flow. Second operand 7 states and 1178 transitions. [2021-06-11 06:15:11,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 138 transitions, 1271 flow [2021-06-11 06:15:18,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 138 transitions, 1236 flow, removed 11 selfloop flow, removed 2 redundant places. [2021-06-11 06:15:18,285 INFO L241 Difference]: Finished difference. Result has 106 places, 116 transitions, 963 flow [2021-06-11 06:15:18,285 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=963, PETRI_PLACES=106, PETRI_TRANSITIONS=116} [2021-06-11 06:15:18,286 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 58 predicate places. [2021-06-11 06:15:18,286 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:15:18,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 116 transitions, 963 flow [2021-06-11 06:15:18,286 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 116 transitions, 963 flow [2021-06-11 06:15:18,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 116 transitions, 963 flow [2021-06-11 06:15:19,756 INFO L129 PetriNetUnfolder]: 7594/15617 cut-off events. [2021-06-11 06:15:19,756 INFO L130 PetriNetUnfolder]: For 40169/42782 co-relation queries the response was YES. [2021-06-11 06:15:19,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60486 conditions, 15617 events. 7594/15617 cut-off events. For 40169/42782 co-relation queries the response was YES. Maximal size of possible extension queue 2711. Compared 177539 event pairs, 300 based on Foata normal form. 241/13829 useless extension candidates. Maximal degree in co-relation 60447. Up to 5200 conditions per place. [2021-06-11 06:15:20,139 INFO L151 LiptonReduction]: Number of co-enabled transitions 2542 [2021-06-11 06:15:20,157 INFO L163 LiptonReduction]: Checked pairs total: 858 [2021-06-11 06:15:20,157 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:15:20,157 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1871 [2021-06-11 06:15:20,158 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 116 transitions, 963 flow [2021-06-11 06:15:20,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 166.125) internal successors, (1329), 8 states have internal predecessors, (1329), 0 states have call successors, (0), 0 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 06:15:20,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:15:20,159 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 06:15:20,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 06:15:20,159 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:15:20,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:15:20,159 INFO L82 PathProgramCache]: Analyzing trace with hash -183482496, now seen corresponding path program 3 times [2021-06-11 06:15:20,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:15:20,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932012190] [2021-06-11 06:15:20,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:15:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:15:20,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:20,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:20,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:20,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:15:20,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:15:20,216 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 06:15:20,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:15:20,226 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 06:15:20,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932012190] [2021-06-11 06:15:20,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:15:20,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:15:20,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716092718] [2021-06-11 06:15:20,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:15:20,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:15:20,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:15:20,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:15:20,229 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 232 [2021-06-11 06:15:20,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 116 transitions, 963 flow. Second operand has 5 states, 5 states have (on average 179.6) internal successors, (898), 5 states have internal predecessors, (898), 0 states have call successors, (0), 0 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 06:15:20,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:15:20,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 232 [2021-06-11 06:15:20,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:15:22,480 INFO L129 PetriNetUnfolder]: 10833/21948 cut-off events. [2021-06-11 06:15:22,481 INFO L130 PetriNetUnfolder]: For 58958/63451 co-relation queries the response was YES. [2021-06-11 06:15:22,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85994 conditions, 21948 events. 10833/21948 cut-off events. For 58958/63451 co-relation queries the response was YES. Maximal size of possible extension queue 3926. Compared 250836 event pairs, 286 based on Foata normal form. 356/19220 useless extension candidates. Maximal degree in co-relation 85956. Up to 7352 conditions per place. [2021-06-11 06:15:22,774 INFO L132 encePairwiseOnDemand]: 223/232 looper letters, 39 selfloop transitions, 28 changer transitions 3/151 dead transitions. [2021-06-11 06:15:22,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 151 transitions, 1448 flow [2021-06-11 06:15:22,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:15:22,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:15:22,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1097 transitions. [2021-06-11 06:15:22,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7880747126436781 [2021-06-11 06:15:22,777 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1097 transitions. [2021-06-11 06:15:22,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1097 transitions. [2021-06-11 06:15:22,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:15:22,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1097 transitions. [2021-06-11 06:15:22,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.83333333333334) internal successors, (1097), 6 states have internal predecessors, (1097), 0 states have call successors, (0), 0 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 06:15:22,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 232.0) internal successors, (1624), 7 states have internal predecessors, (1624), 0 states have call successors, (0), 0 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 06:15:22,782 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 232.0) internal successors, (1624), 7 states have internal predecessors, (1624), 0 states have call successors, (0), 0 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 06:15:22,782 INFO L185 Difference]: Start difference. First operand has 105 places, 116 transitions, 963 flow. Second operand 6 states and 1097 transitions. [2021-06-11 06:15:22,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 151 transitions, 1448 flow [2021-06-11 06:15:45,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 151 transitions, 1398 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-06-11 06:15:45,728 INFO L241 Difference]: Finished difference. Result has 107 places, 125 transitions, 1074 flow [2021-06-11 06:15:45,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1074, PETRI_PLACES=107, PETRI_TRANSITIONS=125} [2021-06-11 06:15:45,728 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 59 predicate places. [2021-06-11 06:15:45,729 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:15:45,729 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 125 transitions, 1074 flow [2021-06-11 06:15:45,729 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 125 transitions, 1074 flow [2021-06-11 06:15:45,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 125 transitions, 1074 flow [2021-06-11 06:15:47,638 INFO L129 PetriNetUnfolder]: 11752/24358 cut-off events. [2021-06-11 06:15:47,639 INFO L130 PetriNetUnfolder]: For 58595/61430 co-relation queries the response was YES. [2021-06-11 06:15:47,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94349 conditions, 24358 events. 11752/24358 cut-off events. For 58595/61430 co-relation queries the response was YES. Maximal size of possible extension queue 4152. Compared 295151 event pairs, 418 based on Foata normal form. 272/21575 useless extension candidates. Maximal degree in co-relation 94310. Up to 8264 conditions per place. [2021-06-11 06:15:48,147 INFO L151 LiptonReduction]: Number of co-enabled transitions 2630 [2021-06-11 06:15:48,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:48,189 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:15:48,189 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:15:48,190 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:15:48,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:15:48,887 INFO L163 LiptonReduction]: Checked pairs total: 104 [2021-06-11 06:15:48,887 INFO L165 LiptonReduction]: Total number of compositions: 8 [2021-06-11 06:15:48,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3158 [2021-06-11 06:15:48,887 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 125 transitions, 1074 flow [2021-06-11 06:15:48,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 179.6) internal successors, (898), 5 states have internal predecessors, (898), 0 states have call successors, (0), 0 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 06:15:48,888 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:15:48,888 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 06:15:48,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 06:15:48,888 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:15:48,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:15:48,888 INFO L82 PathProgramCache]: Analyzing trace with hash -800582512, now seen corresponding path program 4 times [2021-06-11 06:15:48,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:15:48,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178865246] [2021-06-11 06:15:48,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:15:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:15:48,929 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:15:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:15:48,973 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:15:49,001 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 06:15:49,002 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 06:15:49,002 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 06:15:49,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:15:49 BasicIcfg [2021-06-11 06:15:49,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 06:15:49,095 INFO L168 Benchmark]: Toolchain (without parser) took 67158.83 ms. Allocated memory was 379.6 MB in the beginning and 6.6 GB in the end (delta: 6.2 GB). Free memory was 342.0 MB in the beginning and 4.7 GB in the end (delta: -4.3 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.0 GB. [2021-06-11 06:15:49,095 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 379.6 MB. Free memory was 360.6 MB in the beginning and 360.5 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:15:49,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.12 ms. Allocated memory is still 379.6 MB. Free memory was 341.9 MB in the beginning and 336.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:15:49,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.13 ms. Allocated memory is still 379.6 MB. Free memory was 336.9 MB in the beginning and 333.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:15:49,096 INFO L168 Benchmark]: Boogie Preprocessor took 39.07 ms. Allocated memory is still 379.6 MB. Free memory was 333.8 MB in the beginning and 331.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:15:49,096 INFO L168 Benchmark]: RCFGBuilder took 1855.52 ms. Allocated memory is still 379.6 MB. Free memory was 331.7 MB in the beginning and 234.6 MB in the end (delta: 97.1 MB). Peak memory consumption was 141.8 MB. Max. memory is 16.0 GB. [2021-06-11 06:15:49,096 INFO L168 Benchmark]: TraceAbstraction took 64673.63 ms. Allocated memory was 379.6 MB in the beginning and 6.6 GB in the end (delta: 6.2 GB). Free memory was 233.5 MB in the beginning and 4.7 GB in the end (delta: -4.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2021-06-11 06:15:49,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 379.6 MB. Free memory was 360.6 MB in the beginning and 360.5 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 529.12 ms. Allocated memory is still 379.6 MB. Free memory was 341.9 MB in the beginning and 336.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.13 ms. Allocated memory is still 379.6 MB. Free memory was 336.9 MB in the beginning and 333.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.07 ms. Allocated memory is still 379.6 MB. Free memory was 333.8 MB in the beginning and 331.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1855.52 ms. Allocated memory is still 379.6 MB. Free memory was 331.7 MB in the beginning and 234.6 MB in the end (delta: 97.1 MB). Peak memory consumption was 141.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 64673.63 ms. Allocated memory was 379.6 MB in the beginning and 6.6 GB in the end (delta: 6.2 GB). Free memory was 233.5 MB in the beginning and 4.7 GB in the end (delta: -4.5 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6320.7ms, 128 PlacesBefore, 48 PlacesAfterwards, 117 TransitionsBefore, 36 TransitionsAfterwards, 2876 CoEnabledTransitionPairs, 8 FixpointIterations, 43 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 105 TotalNumberOfCompositions, 8936 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4186, positive: 3958, positive conditional: 0, positive unconditional: 3958, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1944, positive: 1877, positive conditional: 0, positive unconditional: 1877, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1944, positive: 1877, positive conditional: 0, positive unconditional: 1877, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1944, positive: 1852, positive conditional: 0, positive unconditional: 1852, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 92, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 814, positive: 124, positive conditional: 0, positive unconditional: 124, negative: 690, negative conditional: 0, negative unconditional: 690, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4186, positive: 2081, positive conditional: 0, positive unconditional: 2081, negative: 161, negative conditional: 0, negative unconditional: 161, unknown: 1944, unknown conditional: 0, unknown unconditional: 1944] , Statistics on independence cache: Total cache size (in pairs): 3461, Positive cache size: 3399, Positive conditional cache size: 0, Positive unconditional cache size: 3399, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 402.6ms, 44 PlacesBefore, 43 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 612 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 155, positive: 125, positive conditional: 0, positive unconditional: 125, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 393, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 393, negative conditional: 0, negative unconditional: 393, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 155, positive: 121, positive conditional: 0, positive unconditional: 121, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 17, unknown conditional: 0, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 3478, Positive cache size: 3403, Positive conditional cache size: 0, Positive unconditional cache size: 3403, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 115.3ms, 44 PlacesBefore, 43 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 423 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 82, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 82, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 3486, Positive cache size: 3406, Positive conditional cache size: 0, Positive unconditional cache size: 3406, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.8ms, 45 PlacesBefore, 45 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 536 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 421 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 19, negative conditional: 0, negative unconditional: 19, 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: 84, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3487, Positive cache size: 3407, Positive conditional cache size: 0, Positive unconditional cache size: 3407, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 189.3ms, 50 PlacesBefore, 50 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 738 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 602 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 77, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 77, positive: 53, positive conditional: 0, positive unconditional: 53, 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): 3491, Positive cache size: 3411, Positive conditional cache size: 0, Positive unconditional cache size: 3411, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.0ms, 59 PlacesBefore, 59 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 964 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1058 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 151, positive: 123, positive conditional: 0, positive unconditional: 123, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 151, positive: 116, positive conditional: 0, positive unconditional: 116, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 3498, Positive cache size: 3418, Positive conditional cache size: 0, Positive unconditional cache size: 3418, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.3ms, 67 PlacesBefore, 67 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 1086 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1534 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 263, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 36, negative conditional: 0, negative unconditional: 36, 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: 263, positive: 222, positive conditional: 0, positive unconditional: 222, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 3503, Positive cache size: 3423, Positive conditional cache size: 0, Positive unconditional cache size: 3423, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.9ms, 74 PlacesBefore, 73 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 1038 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1464 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 199, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 36, negative conditional: 0, negative unconditional: 36, 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: 199, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3503, Positive cache size: 3423, Positive conditional cache size: 0, Positive unconditional cache size: 3423, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1056.7ms, 83 PlacesBefore, 83 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 1908 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1686 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 109, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 26, negative conditional: 0, negative unconditional: 26, 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: 109, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 3700, Positive cache size: 3620, Positive conditional cache size: 0, Positive unconditional cache size: 3620, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1846.4ms, 89 PlacesBefore, 89 PlacesAfterwards, 108 TransitionsBefore, 108 TransitionsAfterwards, 2010 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 1560 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 250, positive: 230, positive conditional: 0, positive unconditional: 230, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 250, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 3940, Positive cache size: 3859, Positive conditional cache size: 0, Positive unconditional cache size: 3859, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2055.3ms, 100 PlacesBefore, 100 PlacesAfterwards, 124 TransitionsBefore, 124 TransitionsAfterwards, 2792 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1066 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 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: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3940, Positive cache size: 3859, Positive conditional cache size: 0, Positive unconditional cache size: 3859, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1870.8ms, 106 PlacesBefore, 105 PlacesAfterwards, 116 TransitionsBefore, 116 TransitionsAfterwards, 2542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 858 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 165, positive: 154, positive conditional: 0, positive unconditional: 154, 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: 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: 165, positive: 153, positive conditional: 0, positive unconditional: 153, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3941, Positive cache size: 3860, Positive conditional cache size: 0, Positive unconditional cache size: 3860, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3157.8ms, 107 PlacesBefore, 107 PlacesAfterwards, 125 TransitionsBefore, 125 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 104 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 104, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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: 104, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 4950, Positive cache size: 4869, Positive conditional cache size: 0, Positive unconditional cache size: 4869, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81 - 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_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L724] 0 int b = 0; [L725] 0 _Bool b$flush_delayed; [L726] 0 int b$mem_tmp; [L727] 0 _Bool b$r_buff0_thd0; [L728] 0 _Bool b$r_buff0_thd1; [L729] 0 _Bool b$r_buff0_thd2; [L730] 0 _Bool b$r_buff0_thd3; [L731] 0 _Bool b$r_buff0_thd4; [L732] 0 _Bool b$r_buff1_thd0; [L733] 0 _Bool b$r_buff1_thd1; [L734] 0 _Bool b$r_buff1_thd2; [L735] 0 _Bool b$r_buff1_thd3; [L736] 0 _Bool b$r_buff1_thd4; [L737] 0 _Bool b$read_delayed; [L738] 0 int *b$read_delayed_var; [L739] 0 int b$w_buff0; [L740] 0 _Bool b$w_buff0_used; [L741] 0 int b$w_buff1; [L742] 0 _Bool b$w_buff1_used; [L743] 0 _Bool main$tmp_guard0; [L744] 0 _Bool main$tmp_guard1; [L746] 0 int x = 0; [L748] 0 int y = 0; [L750] 0 int z = 0; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L873] 0 pthread_t t945; [L874] FCALL, FORK 0 pthread_create(&t945, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L756] 1 b$w_buff1 = b$w_buff0 [L757] 1 b$w_buff0 = 1 [L758] 1 b$w_buff1_used = b$w_buff0_used [L759] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L761] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L762] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L763] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L764] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L765] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L766] 1 b$r_buff0_thd1 = (_Bool)1 [L769] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t946; [L876] FCALL, FORK 0 pthread_create(&t946, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L786] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L789] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L877] 0 pthread_t t947; [L878] FCALL, FORK 0 pthread_create(&t947, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L806] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L809] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L879] 0 pthread_t t948; [L880] FCALL, FORK 0 pthread_create(&t948, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L826] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L812] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L812] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L812] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L812] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L813] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L813] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L814] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L814] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L815] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L815] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L816] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L816] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L792] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L792] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L792] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L793] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L793] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L794] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L794] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L795] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L795] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L796] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L796] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L829] 4 a = 1 [L832] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L835] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L836] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L837] 4 b$flush_delayed = weak$$choice2 [L838] 4 b$mem_tmp = b [L839] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L839] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L840] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L840] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0) [L840] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L840] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L841] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L841] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1) [L841] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L841] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L842] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L842] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used) [L842] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L842] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L843] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L843] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L844] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4) [L844] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L844] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L845] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L845] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L845] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L846] 4 __unbuffered_p3_EBX = b [L847] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L847] 4 b = b$flush_delayed ? b$mem_tmp : b [L848] 4 b$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] [L772] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L772] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L773] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L773] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L774] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L774] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L775] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L775] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L776] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L776] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L779] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L781] 1 return 0; [L799] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L801] 2 return 0; [L819] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L821] 3 return 0; [L851] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L851] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L851] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L851] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L852] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L852] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L853] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L853] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L854] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L854] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L855] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L855] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L858] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L860] 4 return 0; [L882] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L886] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L886] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L886] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L886] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L887] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L887] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L888] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L888] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L889] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L889] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L890] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L890] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L893] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 64425.5ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 45262.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6434.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 121 SDtfs, 151 SDslu, 143 SDs, 0 SdLazy, 560 SolverSat, 165 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 669.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 579.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1074occurred in iteration=12, InterpolantAutomatonStates: 82, 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: 42.5ms SsaConstructionTime, 458.5ms SatisfiabilityAnalysisTime, 986.6ms InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 1960 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...