/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/mix039_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 06:16:27,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 06:16:27,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 06:16:28,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 06:16:28,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 06:16:28,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 06:16:28,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 06:16:28,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 06:16:28,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 06:16:28,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 06:16:28,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 06:16:28,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 06:16:28,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 06:16:28,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 06:16:28,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 06:16:28,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 06:16:28,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 06:16:28,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 06:16:28,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 06:16:28,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 06:16:28,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 06:16:28,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 06:16:28,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 06:16:28,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 06:16:28,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 06:16:28,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 06:16:28,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 06:16:28,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 06:16:28,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 06:16:28,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 06:16:28,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 06:16:28,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 06:16:28,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 06:16:28,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 06:16:28,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 06:16:28,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 06:16:28,050 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 06:16:28,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 06:16:28,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 06:16:28,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 06:16:28,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 06:16:28,303 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 06:16:28,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 06:16:28,303 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 06:16:28,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 06:16:28,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 06:16:28,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 06:16:28,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 06:16:28,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 06:16:28,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 06:16:28,304 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 06:16:28,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 06:16:28,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 06:16:28,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 06:16:28,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 06:16:28,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 06:16:28,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 06:16:28,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 06:16:28,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 06:16:28,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 06:16:28,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 06:16:28,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 06:16:28,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 06:16:28,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 06:16:28,308 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 06:16:28,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 06:16:28,308 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 06:16:28,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 06:16:28,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 06:16:28,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 06:16:28,629 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 06:16:28,631 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 06:16:28,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix039_tso.opt.i [2021-06-11 06:16:28,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfb8fcc33/9302894d5af44cc7b42e5501501338d5/FLAGc7a91e914 [2021-06-11 06:16:29,388 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 06:16:29,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix039_tso.opt.i [2021-06-11 06:16:29,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfb8fcc33/9302894d5af44cc7b42e5501501338d5/FLAGc7a91e914 [2021-06-11 06:16:29,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfb8fcc33/9302894d5af44cc7b42e5501501338d5 [2021-06-11 06:16:29,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 06:16:29,701 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 06:16:29,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 06:16:29,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 06:16:29,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 06:16:29,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:16:29" (1/1) ... [2021-06-11 06:16:29,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af63e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:29, skipping insertion in model container [2021-06-11 06:16:29,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 06:16:29" (1/1) ... [2021-06-11 06:16:29,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 06:16:29,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 06:16:29,971 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/mix039_tso.opt.i[948,961] [2021-06-11 06:16:30,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:16:30,197 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 06:16:30,207 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/mix039_tso.opt.i[948,961] [2021-06-11 06:16:30,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 06:16:30,326 INFO L208 MainTranslator]: Completed translation [2021-06-11 06:16:30,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30 WrapperNode [2021-06-11 06:16:30,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 06:16:30,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 06:16:30,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 06:16:30,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 06:16:30,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30" (1/1) ... [2021-06-11 06:16:30,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30" (1/1) ... [2021-06-11 06:16:30,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 06:16:30,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 06:16:30,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 06:16:30,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 06:16:30,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30" (1/1) ... [2021-06-11 06:16:30,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30" (1/1) ... [2021-06-11 06:16:30,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30" (1/1) ... [2021-06-11 06:16:30,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30" (1/1) ... [2021-06-11 06:16:30,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30" (1/1) ... [2021-06-11 06:16:30,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30" (1/1) ... [2021-06-11 06:16:30,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30" (1/1) ... [2021-06-11 06:16:30,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 06:16:30,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 06:16:30,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 06:16:30,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 06:16:30,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30" (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 06:16:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 06:16:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 06:16:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 06:16:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 06:16:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 06:16:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 06:16:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 06:16:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 06:16:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 06:16:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 06:16:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-11 06:16:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-11 06:16:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 06:16:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 06:16:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 06:16:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 06:16:30,513 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 06:16:32,021 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 06:16:32,021 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 06:16:32,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:16:32 BoogieIcfgContainer [2021-06-11 06:16:32,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 06:16:32,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 06:16:32,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 06:16:32,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 06:16:32,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 06:16:29" (1/3) ... [2021-06-11 06:16:32,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a02feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:16:32, skipping insertion in model container [2021-06-11 06:16:32,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 06:16:30" (2/3) ... [2021-06-11 06:16:32,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a02feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 06:16:32, skipping insertion in model container [2021-06-11 06:16:32,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 06:16:32" (3/3) ... [2021-06-11 06:16:32,031 INFO L111 eAbstractionObserver]: Analyzing ICFG mix039_tso.opt.i [2021-06-11 06:16:32,036 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 06:16:32,040 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 06:16:32,040 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 06:16:32,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,076 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,076 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,077 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,077 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,079 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,079 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,079 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,079 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,081 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,081 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,081 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,081 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,081 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,081 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,081 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,082 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,082 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,082 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,082 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,105 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,105 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,105 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,106 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,106 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,106 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,106 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,106 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,106 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,107 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,107 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,108 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,109 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,110 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,112 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,112 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,112 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,113 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,115 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,115 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,115 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,117 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,117 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,119 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,121 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 06:16:32,123 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 06:16:32,139 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 06:16:32,164 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 06:16:32,164 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 06:16:32,164 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 06:16:32,165 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 06:16:32,165 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 06:16:32,165 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 06:16:32,165 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 06:16:32,165 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 06:16:32,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-06-11 06:16:32,231 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-06-11 06:16:32,231 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:32,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-06-11 06:16:32,239 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-06-11 06:16:32,244 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-06-11 06:16:32,245 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:32,255 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-06-11 06:16:32,258 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-06-11 06:16:32,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-06-11 06:16:32,293 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-06-11 06:16:32,293 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:32,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-06-11 06:16:32,298 INFO L151 LiptonReduction]: Number of co-enabled transitions 2488 [2021-06-11 06:16:32,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:32,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:32,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:32,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:32,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:32,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:32,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:32,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:32,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:32,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:32,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:32,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:32,980 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 06:16:32,980 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:16:33,005 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:33,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:33,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:33,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:33,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:33,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:33,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:33,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:33,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:33,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:33,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:33,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:33,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,882 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:16:33,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:33,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:33,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:34,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:34,747 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 06:16:35,213 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-06-11 06:16:35,348 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-11 06:16:35,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:35,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 06:16:35,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:35,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,399 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-11 06:16:35,399 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:16:35,402 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,407 INFO L147 QuantifierPusher]: treesize reduction 50, result has 50.0 percent of original size 50 [2021-06-11 06:16:35,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:35,410 INFO L142 QuantifierPusher]: treesize reduction 50, result has 68.8 percent of original size [2021-06-11 06:16:35,412 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 1] term [2021-06-11 06:16:35,412 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:16:35,414 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,420 INFO L147 QuantifierPusher]: treesize reduction 76, result has 39.7 percent of original size 50 [2021-06-11 06:16:35,421 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 3, 2, 1] term [2021-06-11 06:16:35,421 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 06:16:35,426 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,431 INFO L147 QuantifierPusher]: treesize reduction 141, result has 44.3 percent of original size 112 [2021-06-11 06:16:35,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:35,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:35,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:35,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:35,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:35,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:35,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:35,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:35,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:35,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:35,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:35,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:36,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:36,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:36,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:36,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:36,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:36,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,186 INFO L147 QuantifierPusher]: treesize reduction 36, result has 2.7 percent of original size 1 [2021-06-11 06:16:36,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:36,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:36,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:36,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:36,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:36,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:36,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:36,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 06:16:36,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:36,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:36,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:36,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 06:16:36,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 06:16:36,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:36,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 06:16:36,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 06:16:36,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,675 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 06:16:36,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:36,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:37,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:37,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:37,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:37,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:37,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:37,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:37,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:37,420 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-06-11 06:16:37,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:37,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:37,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:37,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:37,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:37,966 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-06-11 06:16:38,164 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-11 06:16:38,501 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-06-11 06:16:38,651 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-11 06:16:38,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:38,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 06:16:38,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:38,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 06:16:38,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 06:16:38,690 INFO L163 LiptonReduction]: Checked pairs total: 6749 [2021-06-11 06:16:38,691 INFO L165 LiptonReduction]: Total number of compositions: 101 [2021-06-11 06:16:38,693 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6449 [2021-06-11 06:16:38,701 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-06-11 06:16:38,701 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:38,701 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:38,702 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:38,702 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:38,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:38,706 INFO L82 PathProgramCache]: Analyzing trace with hash 128355391, now seen corresponding path program 1 times [2021-06-11 06:16:38,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:38,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465217932] [2021-06-11 06:16:38,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:38,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:38,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:38,888 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 06:16:38,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465217932] [2021-06-11 06:16:38,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:38,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:16:38,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111643190] [2021-06-11 06:16:38,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:16:38,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:38,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:16:38,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:16:38,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 218 [2021-06-11 06:16:38,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 31 transitions, 74 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 06:16:38,913 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:38,913 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 218 [2021-06-11 06:16:38,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:38,946 INFO L129 PetriNetUnfolder]: 9/54 cut-off events. [2021-06-11 06:16:38,946 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:38,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 54 events. 9/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 138 event pairs, 1 based on Foata normal form. 11/61 useless extension candidates. Maximal degree in co-relation 78. Up to 17 conditions per place. [2021-06-11 06:16:38,948 INFO L132 encePairwiseOnDemand]: 213/218 looper letters, 5 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2021-06-11 06:16:38,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 30 transitions, 86 flow [2021-06-11 06:16:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:16:38,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:16:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2021-06-11 06:16:38,964 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8669724770642202 [2021-06-11 06:16:38,964 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2021-06-11 06:16:38,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2021-06-11 06:16:38,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:38,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2021-06-11 06:16:38,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 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 06:16:38,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 218.0) internal successors, (872), 4 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:38,984 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 218.0) internal successors, (872), 4 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:38,985 INFO L185 Difference]: Start difference. First operand has 43 places, 31 transitions, 74 flow. Second operand 3 states and 567 transitions. [2021-06-11 06:16:38,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 30 transitions, 86 flow [2021-06-11 06:16:38,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 30 transitions, 82 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 06:16:38,989 INFO L241 Difference]: Finished difference. Result has 39 places, 28 transitions, 68 flow [2021-06-11 06:16:38,991 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=39, PETRI_TRANSITIONS=28} [2021-06-11 06:16:38,991 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, -4 predicate places. [2021-06-11 06:16:38,991 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:38,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 28 transitions, 68 flow [2021-06-11 06:16:38,992 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 28 transitions, 68 flow [2021-06-11 06:16:38,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 68 flow [2021-06-11 06:16:38,996 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-06-11 06:16:38,997 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:38,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 06:16:38,997 INFO L151 LiptonReduction]: Number of co-enabled transitions 384 [2021-06-11 06:16:39,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:39,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:39,278 INFO L163 LiptonReduction]: Checked pairs total: 834 [2021-06-11 06:16:39,278 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 06:16:39,278 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 287 [2021-06-11 06:16:39,279 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 66 flow [2021-06-11 06:16:39,279 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 06:16:39,279 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:39,279 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:39,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 06:16:39,280 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:39,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:39,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1317257858, now seen corresponding path program 1 times [2021-06-11 06:16:39,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:39,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989582545] [2021-06-11 06:16:39,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:39,355 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 06:16:39,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:16:39,369 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 06:16:39,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 06:16:39,373 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 06:16:39,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989582545] [2021-06-11 06:16:39,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:39,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:16:39,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759460728] [2021-06-11 06:16:39,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:39,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:39,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:39,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:39,377 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 220 [2021-06-11 06:16:39,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:39,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:39,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 220 [2021-06-11 06:16:39,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:39,558 INFO L129 PetriNetUnfolder]: 296/603 cut-off events. [2021-06-11 06:16:39,558 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 06:16:39,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 603 events. 296/603 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 3462 event pairs, 62 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 1077. Up to 221 conditions per place. [2021-06-11 06:16:39,563 INFO L132 encePairwiseOnDemand]: 211/220 looper letters, 7 selfloop transitions, 7 changer transitions 14/46 dead transitions. [2021-06-11 06:16:39,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 46 transitions, 160 flow [2021-06-11 06:16:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:16:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:16:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 854 transitions. [2021-06-11 06:16:39,565 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7763636363636364 [2021-06-11 06:16:39,566 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 854 transitions. [2021-06-11 06:16:39,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 854 transitions. [2021-06-11 06:16:39,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:39,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 854 transitions. [2021-06-11 06:16:39,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 0 states have call successors, (0), 0 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 06:16:39,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 06:16:39,571 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 06:16:39,571 INFO L185 Difference]: Start difference. First operand has 38 places, 27 transitions, 66 flow. Second operand 5 states and 854 transitions. [2021-06-11 06:16:39,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 46 transitions, 160 flow [2021-06-11 06:16:39,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 46 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 06:16:39,573 INFO L241 Difference]: Finished difference. Result has 44 places, 32 transitions, 126 flow [2021-06-11 06:16:39,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=126, PETRI_PLACES=44, PETRI_TRANSITIONS=32} [2021-06-11 06:16:39,573 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 1 predicate places. [2021-06-11 06:16:39,573 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:39,574 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 32 transitions, 126 flow [2021-06-11 06:16:39,574 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 32 transitions, 126 flow [2021-06-11 06:16:39,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 32 transitions, 126 flow [2021-06-11 06:16:39,612 INFO L129 PetriNetUnfolder]: 152/359 cut-off events. [2021-06-11 06:16:39,612 INFO L130 PetriNetUnfolder]: For 102/109 co-relation queries the response was YES. [2021-06-11 06:16:39,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 359 events. 152/359 cut-off events. For 102/109 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2029 event pairs, 78 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 839. Up to 221 conditions per place. [2021-06-11 06:16:39,617 INFO L151 LiptonReduction]: Number of co-enabled transitions 406 [2021-06-11 06:16:39,621 INFO L163 LiptonReduction]: Checked pairs total: 222 [2021-06-11 06:16:39,621 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:39,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-06-11 06:16:39,622 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 32 transitions, 126 flow [2021-06-11 06:16:39,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:39,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:39,623 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:39,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 06:16:39,623 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:39,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:39,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1317258973, now seen corresponding path program 1 times [2021-06-11 06:16:39,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:39,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894449633] [2021-06-11 06:16:39,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:39,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:39,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:39,682 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 06:16:39,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:16:39,696 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 06:16:39,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894449633] [2021-06-11 06:16:39,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:39,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:16:39,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997512044] [2021-06-11 06:16:39,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:39,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:39,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:39,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:39,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 220 [2021-06-11 06:16:39,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 32 transitions, 126 flow. Second operand has 4 states, 4 states have (on average 174.75) internal successors, (699), 4 states have internal predecessors, (699), 0 states have call successors, (0), 0 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 06:16:39,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:39,700 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 220 [2021-06-11 06:16:39,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:39,775 INFO L129 PetriNetUnfolder]: 122/284 cut-off events. [2021-06-11 06:16:39,775 INFO L130 PetriNetUnfolder]: For 134/346 co-relation queries the response was YES. [2021-06-11 06:16:39,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 284 events. 122/284 cut-off events. For 134/346 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1367 event pairs, 12 based on Foata normal form. 3/278 useless extension candidates. Maximal degree in co-relation 894. Up to 181 conditions per place. [2021-06-11 06:16:39,778 INFO L132 encePairwiseOnDemand]: 212/220 looper letters, 13 selfloop transitions, 8 changer transitions 0/39 dead transitions. [2021-06-11 06:16:39,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 39 transitions, 210 flow [2021-06-11 06:16:39,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:16:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:16:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 713 transitions. [2021-06-11 06:16:39,781 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8102272727272727 [2021-06-11 06:16:39,781 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 713 transitions. [2021-06-11 06:16:39,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 713 transitions. [2021-06-11 06:16:39,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:39,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 713 transitions. [2021-06-11 06:16:39,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 178.25) internal successors, (713), 4 states have internal predecessors, (713), 0 states have call successors, (0), 0 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 06:16:39,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 06:16:39,785 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 06:16:39,785 INFO L185 Difference]: Start difference. First operand has 41 places, 32 transitions, 126 flow. Second operand 4 states and 713 transitions. [2021-06-11 06:16:39,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 39 transitions, 210 flow [2021-06-11 06:16:39,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 39 transitions, 170 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-06-11 06:16:39,790 INFO L241 Difference]: Finished difference. Result has 43 places, 36 transitions, 158 flow [2021-06-11 06:16:39,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=158, PETRI_PLACES=43, PETRI_TRANSITIONS=36} [2021-06-11 06:16:39,791 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 0 predicate places. [2021-06-11 06:16:39,791 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:39,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 36 transitions, 158 flow [2021-06-11 06:16:39,791 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 36 transitions, 158 flow [2021-06-11 06:16:39,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 36 transitions, 158 flow [2021-06-11 06:16:39,819 INFO L129 PetriNetUnfolder]: 122/302 cut-off events. [2021-06-11 06:16:39,819 INFO L130 PetriNetUnfolder]: For 143/157 co-relation queries the response was YES. [2021-06-11 06:16:39,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 302 events. 122/302 cut-off events. For 143/157 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1619 event pairs, 52 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 716. Up to 181 conditions per place. [2021-06-11 06:16:39,823 INFO L151 LiptonReduction]: Number of co-enabled transitions 450 [2021-06-11 06:16:39,831 INFO L163 LiptonReduction]: Checked pairs total: 289 [2021-06-11 06:16:39,832 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:39,832 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-06-11 06:16:39,832 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 158 flow [2021-06-11 06:16:39,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 174.75) internal successors, (699), 4 states have internal predecessors, (699), 0 states have call successors, (0), 0 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 06:16:39,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:39,833 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:39,833 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 06:16:39,833 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:39,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:39,834 INFO L82 PathProgramCache]: Analyzing trace with hash -2114666597, now seen corresponding path program 1 times [2021-06-11 06:16:39,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:39,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670263412] [2021-06-11 06:16:39,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:39,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:39,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:39,911 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 06:16:39,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670263412] [2021-06-11 06:16:39,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:39,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 06:16:39,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29106945] [2021-06-11 06:16:39,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:16:39,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:39,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:16:39,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:16:39,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 220 [2021-06-11 06:16:39,914 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 158 flow. Second operand has 3 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 06:16:39,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:39,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 220 [2021-06-11 06:16:39,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:39,955 INFO L129 PetriNetUnfolder]: 106/260 cut-off events. [2021-06-11 06:16:39,956 INFO L130 PetriNetUnfolder]: For 216/237 co-relation queries the response was YES. [2021-06-11 06:16:39,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 260 events. 106/260 cut-off events. For 216/237 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1259 event pairs, 28 based on Foata normal form. 4/255 useless extension candidates. Maximal degree in co-relation 689. Up to 161 conditions per place. [2021-06-11 06:16:39,958 INFO L132 encePairwiseOnDemand]: 216/220 looper letters, 6 selfloop transitions, 6 changer transitions 0/40 dead transitions. [2021-06-11 06:16:39,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 40 transitions, 206 flow [2021-06-11 06:16:39,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:16:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:16:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions. [2021-06-11 06:16:39,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8651515151515151 [2021-06-11 06:16:39,962 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 571 transitions. [2021-06-11 06:16:39,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 571 transitions. [2021-06-11 06:16:39,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:39,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 571 transitions. [2021-06-11 06:16:39,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 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 06:16:39,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 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 06:16:39,967 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 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 06:16:39,967 INFO L185 Difference]: Start difference. First operand has 43 places, 36 transitions, 158 flow. Second operand 3 states and 571 transitions. [2021-06-11 06:16:39,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 40 transitions, 206 flow [2021-06-11 06:16:39,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 40 transitions, 203 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:16:39,972 INFO L241 Difference]: Finished difference. Result has 45 places, 40 transitions, 207 flow [2021-06-11 06:16:39,973 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=207, PETRI_PLACES=45, PETRI_TRANSITIONS=40} [2021-06-11 06:16:39,973 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 2 predicate places. [2021-06-11 06:16:39,973 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:39,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 40 transitions, 207 flow [2021-06-11 06:16:39,973 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 40 transitions, 207 flow [2021-06-11 06:16:39,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 40 transitions, 207 flow [2021-06-11 06:16:40,000 INFO L129 PetriNetUnfolder]: 106/270 cut-off events. [2021-06-11 06:16:40,000 INFO L130 PetriNetUnfolder]: For 209/217 co-relation queries the response was YES. [2021-06-11 06:16:40,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 270 events. 106/270 cut-off events. For 209/217 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1380 event pairs, 42 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 707. Up to 161 conditions per place. [2021-06-11 06:16:40,004 INFO L151 LiptonReduction]: Number of co-enabled transitions 512 [2021-06-11 06:16:40,010 INFO L163 LiptonReduction]: Checked pairs total: 364 [2021-06-11 06:16:40,010 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:40,010 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-06-11 06:16:40,012 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 40 transitions, 207 flow [2021-06-11 06:16:40,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 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 06:16:40,013 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:40,013 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:40,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 06:16:40,013 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:40,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:40,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1129533958, now seen corresponding path program 1 times [2021-06-11 06:16:40,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:40,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923609852] [2021-06-11 06:16:40,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:40,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:40,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:40,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:40,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:16:40,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:40,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:40,107 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 06:16:40,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923609852] [2021-06-11 06:16:40,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:40,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:16:40,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576170930] [2021-06-11 06:16:40,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:40,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:40,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:40,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:40,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 220 [2021-06-11 06:16:40,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 40 transitions, 207 flow. Second operand has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 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 06:16:40,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:40,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 220 [2021-06-11 06:16:40,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:40,291 INFO L129 PetriNetUnfolder]: 851/1579 cut-off events. [2021-06-11 06:16:40,291 INFO L130 PetriNetUnfolder]: For 426/509 co-relation queries the response was YES. [2021-06-11 06:16:40,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3546 conditions, 1579 events. 851/1579 cut-off events. For 426/509 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 11256 event pairs, 288 based on Foata normal form. 110/1373 useless extension candidates. Maximal degree in co-relation 3530. Up to 757 conditions per place. [2021-06-11 06:16:40,307 INFO L132 encePairwiseOnDemand]: 212/220 looper letters, 10 selfloop transitions, 12 changer transitions 0/54 dead transitions. [2021-06-11 06:16:40,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 54 transitions, 279 flow [2021-06-11 06:16:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:16:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:16:40,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 909 transitions. [2021-06-11 06:16:40,310 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8263636363636364 [2021-06-11 06:16:40,310 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 909 transitions. [2021-06-11 06:16:40,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 909 transitions. [2021-06-11 06:16:40,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:40,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 909 transitions. [2021-06-11 06:16:40,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 181.8) internal successors, (909), 5 states have internal predecessors, (909), 0 states have call successors, (0), 0 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 06:16:40,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 06:16:40,315 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 0 states have call successors, (0), 0 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 06:16:40,315 INFO L185 Difference]: Start difference. First operand has 45 places, 40 transitions, 207 flow. Second operand 5 states and 909 transitions. [2021-06-11 06:16:40,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 54 transitions, 279 flow [2021-06-11 06:16:40,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 54 transitions, 273 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 06:16:40,320 INFO L241 Difference]: Finished difference. Result has 51 places, 50 transitions, 285 flow [2021-06-11 06:16:40,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=285, PETRI_PLACES=51, PETRI_TRANSITIONS=50} [2021-06-11 06:16:40,321 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 8 predicate places. [2021-06-11 06:16:40,321 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:40,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 50 transitions, 285 flow [2021-06-11 06:16:40,321 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 50 transitions, 285 flow [2021-06-11 06:16:40,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 50 transitions, 285 flow [2021-06-11 06:16:40,472 INFO L129 PetriNetUnfolder]: 711/1377 cut-off events. [2021-06-11 06:16:40,472 INFO L130 PetriNetUnfolder]: For 1193/1571 co-relation queries the response was YES. [2021-06-11 06:16:40,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4046 conditions, 1377 events. 711/1377 cut-off events. For 1193/1571 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 9972 event pairs, 275 based on Foata normal form. 9/1242 useless extension candidates. Maximal degree in co-relation 4028. Up to 856 conditions per place. [2021-06-11 06:16:40,492 INFO L151 LiptonReduction]: Number of co-enabled transitions 818 [2021-06-11 06:16:40,519 INFO L163 LiptonReduction]: Checked pairs total: 402 [2021-06-11 06:16:40,519 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:40,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 198 [2021-06-11 06:16:40,521 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 50 transitions, 285 flow [2021-06-11 06:16:40,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 0 states have call successors, (0), 0 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 06:16:40,523 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:40,523 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:40,523 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 06:16:40,523 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:40,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:40,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1844478131, now seen corresponding path program 1 times [2021-06-11 06:16:40,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:40,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952126407] [2021-06-11 06:16:40,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:40,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:40,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:40,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:40,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:40,576 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 06:16:40,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952126407] [2021-06-11 06:16:40,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:40,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 06:16:40,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789242346] [2021-06-11 06:16:40,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 06:16:40,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:40,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 06:16:40,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 06:16:40,579 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 220 [2021-06-11 06:16:40,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 50 transitions, 285 flow. Second operand has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 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 06:16:40,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:40,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 220 [2021-06-11 06:16:40,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:40,735 INFO L129 PetriNetUnfolder]: 857/1667 cut-off events. [2021-06-11 06:16:40,736 INFO L130 PetriNetUnfolder]: For 1981/3253 co-relation queries the response was YES. [2021-06-11 06:16:40,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4943 conditions, 1667 events. 857/1667 cut-off events. For 1981/3253 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 12634 event pairs, 369 based on Foata normal form. 73/1477 useless extension candidates. Maximal degree in co-relation 4923. Up to 1108 conditions per place. [2021-06-11 06:16:40,754 INFO L132 encePairwiseOnDemand]: 217/220 looper letters, 4 selfloop transitions, 8 changer transitions 0/50 dead transitions. [2021-06-11 06:16:40,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 50 transitions, 309 flow [2021-06-11 06:16:40,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 06:16:40,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 06:16:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2021-06-11 06:16:40,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8636363636363636 [2021-06-11 06:16:40,757 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 570 transitions. [2021-06-11 06:16:40,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 570 transitions. [2021-06-11 06:16:40,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:40,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 570 transitions. [2021-06-11 06:16:40,758 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 06:16:40,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 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 06:16:40,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 0 states have call successors, (0), 0 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 06:16:40,760 INFO L185 Difference]: Start difference. First operand has 51 places, 50 transitions, 285 flow. Second operand 3 states and 570 transitions. [2021-06-11 06:16:40,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 50 transitions, 309 flow [2021-06-11 06:16:40,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 50 transitions, 309 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 06:16:40,772 INFO L241 Difference]: Finished difference. Result has 54 places, 50 transitions, 311 flow [2021-06-11 06:16:40,772 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=54, PETRI_TRANSITIONS=50} [2021-06-11 06:16:40,772 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 11 predicate places. [2021-06-11 06:16:40,772 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:40,772 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 50 transitions, 311 flow [2021-06-11 06:16:40,773 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 50 transitions, 311 flow [2021-06-11 06:16:40,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 50 transitions, 311 flow [2021-06-11 06:16:40,909 INFO L129 PetriNetUnfolder]: 859/1648 cut-off events. [2021-06-11 06:16:40,910 INFO L130 PetriNetUnfolder]: For 1879/2388 co-relation queries the response was YES. [2021-06-11 06:16:40,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4928 conditions, 1648 events. 859/1648 cut-off events. For 1879/2388 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 12414 event pairs, 352 based on Foata normal form. 10/1479 useless extension candidates. Maximal degree in co-relation 4908. Up to 1103 conditions per place. [2021-06-11 06:16:40,936 INFO L151 LiptonReduction]: Number of co-enabled transitions 818 [2021-06-11 06:16:40,950 INFO L163 LiptonReduction]: Checked pairs total: 402 [2021-06-11 06:16:40,950 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:40,950 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 178 [2021-06-11 06:16:40,952 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 50 transitions, 311 flow [2021-06-11 06:16:40,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 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 06:16:40,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:40,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:40,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 06:16:40,952 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:40,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:40,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1465111068, now seen corresponding path program 1 times [2021-06-11 06:16:40,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:40,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041653750] [2021-06-11 06:16:40,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:41,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:41,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:41,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:41,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:41,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:41,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:16:41,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:41,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:41,057 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 06:16:41,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041653750] [2021-06-11 06:16:41,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:41,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:16:41,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924644050] [2021-06-11 06:16:41,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:16:41,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:41,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:16:41,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:16:41,060 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 220 [2021-06-11 06:16:41,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 50 transitions, 311 flow. Second operand has 5 states, 5 states have (on average 177.8) internal successors, (889), 5 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:41,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:41,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 220 [2021-06-11 06:16:41,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:41,318 INFO L129 PetriNetUnfolder]: 854/1705 cut-off events. [2021-06-11 06:16:41,318 INFO L130 PetriNetUnfolder]: For 2948/7976 co-relation queries the response was YES. [2021-06-11 06:16:41,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6413 conditions, 1705 events. 854/1705 cut-off events. For 2948/7976 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 12906 event pairs, 103 based on Foata normal form. 463/1940 useless extension candidates. Maximal degree in co-relation 6391. Up to 1166 conditions per place. [2021-06-11 06:16:41,338 INFO L132 encePairwiseOnDemand]: 212/220 looper letters, 10 selfloop transitions, 22 changer transitions 0/64 dead transitions. [2021-06-11 06:16:41,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 64 transitions, 456 flow [2021-06-11 06:16:41,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 06:16:41,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 06:16:41,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1273 transitions. [2021-06-11 06:16:41,341 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8266233766233766 [2021-06-11 06:16:41,342 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1273 transitions. [2021-06-11 06:16:41,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1273 transitions. [2021-06-11 06:16:41,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:41,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1273 transitions. [2021-06-11 06:16:41,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 181.85714285714286) internal successors, (1273), 7 states have internal predecessors, (1273), 0 states have call successors, (0), 0 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 06:16:41,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 220.0) internal successors, (1760), 8 states have internal predecessors, (1760), 0 states have call successors, (0), 0 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 06:16:41,347 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 220.0) internal successors, (1760), 8 states have internal predecessors, (1760), 0 states have call successors, (0), 0 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 06:16:41,348 INFO L185 Difference]: Start difference. First operand has 54 places, 50 transitions, 311 flow. Second operand 7 states and 1273 transitions. [2021-06-11 06:16:41,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 64 transitions, 456 flow [2021-06-11 06:16:41,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 64 transitions, 444 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 06:16:41,361 INFO L241 Difference]: Finished difference. Result has 62 places, 60 transitions, 447 flow [2021-06-11 06:16:41,361 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=447, PETRI_PLACES=62, PETRI_TRANSITIONS=60} [2021-06-11 06:16:41,361 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 19 predicate places. [2021-06-11 06:16:41,361 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:41,362 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 60 transitions, 447 flow [2021-06-11 06:16:41,362 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 60 transitions, 447 flow [2021-06-11 06:16:41,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 60 transitions, 447 flow [2021-06-11 06:16:41,500 INFO L129 PetriNetUnfolder]: 774/1591 cut-off events. [2021-06-11 06:16:41,501 INFO L130 PetriNetUnfolder]: For 6660/9494 co-relation queries the response was YES. [2021-06-11 06:16:41,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7071 conditions, 1591 events. 774/1591 cut-off events. For 6660/9494 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 12352 event pairs, 101 based on Foata normal form. 39/1454 useless extension candidates. Maximal degree in co-relation 7047. Up to 1085 conditions per place. [2021-06-11 06:16:41,531 INFO L151 LiptonReduction]: Number of co-enabled transitions 1116 [2021-06-11 06:16:41,542 INFO L163 LiptonReduction]: Checked pairs total: 574 [2021-06-11 06:16:41,542 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:41,542 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 181 [2021-06-11 06:16:41,543 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 60 transitions, 447 flow [2021-06-11 06:16:41,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 177.8) internal successors, (889), 5 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:41,543 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:41,543 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 06:16:41,544 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 06:16:41,544 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:41,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:41,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1911353829, now seen corresponding path program 1 times [2021-06-11 06:16:41,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:41,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128297803] [2021-06-11 06:16:41,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:41,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:41,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:41,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:41,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:41,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:41,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:41,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:16:41,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:41,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:41,644 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 06:16:41,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128297803] [2021-06-11 06:16:41,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:41,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 06:16:41,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901764997] [2021-06-11 06:16:41,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 06:16:41,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:41,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 06:16:41,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 06:16:41,646 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 220 [2021-06-11 06:16:41,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 60 transitions, 447 flow. Second operand has 6 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 0 states have call successors, (0), 0 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 06:16:41,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:41,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 220 [2021-06-11 06:16:41,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:41,940 INFO L129 PetriNetUnfolder]: 740/1513 cut-off events. [2021-06-11 06:16:41,940 INFO L130 PetriNetUnfolder]: For 8551/23562 co-relation queries the response was YES. [2021-06-11 06:16:41,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8012 conditions, 1513 events. 740/1513 cut-off events. For 8551/23562 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 11369 event pairs, 24 based on Foata normal form. 691/1992 useless extension candidates. Maximal degree in co-relation 7986. Up to 1087 conditions per place. [2021-06-11 06:16:41,959 INFO L132 encePairwiseOnDemand]: 212/220 looper letters, 6 selfloop transitions, 32 changer transitions 4/74 dead transitions. [2021-06-11 06:16:41,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 74 transitions, 665 flow [2021-06-11 06:16:41,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 06:16:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 06:16:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1637 transitions. [2021-06-11 06:16:41,964 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8267676767676768 [2021-06-11 06:16:41,964 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1637 transitions. [2021-06-11 06:16:41,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1637 transitions. [2021-06-11 06:16:41,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:41,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1637 transitions. [2021-06-11 06:16:41,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 181.88888888888889) internal successors, (1637), 9 states have internal predecessors, (1637), 0 states have call successors, (0), 0 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 06:16:41,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 220.0) internal successors, (2200), 10 states have internal predecessors, (2200), 0 states have call successors, (0), 0 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 06:16:41,972 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 220.0) internal successors, (2200), 10 states have internal predecessors, (2200), 0 states have call successors, (0), 0 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 06:16:41,972 INFO L185 Difference]: Start difference. First operand has 62 places, 60 transitions, 447 flow. Second operand 9 states and 1637 transitions. [2021-06-11 06:16:41,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 74 transitions, 665 flow [2021-06-11 06:16:42,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 74 transitions, 610 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-06-11 06:16:42,006 INFO L241 Difference]: Finished difference. Result has 70 places, 70 transitions, 589 flow [2021-06-11 06:16:42,006 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=589, PETRI_PLACES=70, PETRI_TRANSITIONS=70} [2021-06-11 06:16:42,006 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 27 predicate places. [2021-06-11 06:16:42,006 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:42,006 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 70 transitions, 589 flow [2021-06-11 06:16:42,007 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 70 transitions, 589 flow [2021-06-11 06:16:42,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 70 transitions, 589 flow [2021-06-11 06:16:42,127 INFO L129 PetriNetUnfolder]: 701/1460 cut-off events. [2021-06-11 06:16:42,127 INFO L130 PetriNetUnfolder]: For 8086/9207 co-relation queries the response was YES. [2021-06-11 06:16:42,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7167 conditions, 1460 events. 701/1460 cut-off events. For 8086/9207 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 11123 event pairs, 22 based on Foata normal form. 1/1300 useless extension candidates. Maximal degree in co-relation 7140. Up to 764 conditions per place. [2021-06-11 06:16:42,155 INFO L151 LiptonReduction]: Number of co-enabled transitions 1246 [2021-06-11 06:16:42,218 INFO L163 LiptonReduction]: Checked pairs total: 727 [2021-06-11 06:16:42,218 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:42,218 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 212 [2021-06-11 06:16:42,219 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 70 transitions, 589 flow [2021-06-11 06:16:42,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 0 states have call successors, (0), 0 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 06:16:42,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:42,220 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] [2021-06-11 06:16:42,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 06:16:42,220 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:42,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:42,220 INFO L82 PathProgramCache]: Analyzing trace with hash 395448771, now seen corresponding path program 1 times [2021-06-11 06:16:42,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:42,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460659917] [2021-06-11 06:16:42,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:42,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:42,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:42,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:42,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:42,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:42,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:42,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:42,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:42,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:42,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 06:16:42,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:42,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:42,293 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 06:16:42,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460659917] [2021-06-11 06:16:42,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:42,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 06:16:42,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311018004] [2021-06-11 06:16:42,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 06:16:42,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:42,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 06:16:42,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 06:16:42,295 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 220 [2021-06-11 06:16:42,296 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 70 transitions, 589 flow. Second operand has 7 states, 7 states have (on average 177.85714285714286) internal successors, (1245), 7 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:42,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:42,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 220 [2021-06-11 06:16:42,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:42,557 INFO L129 PetriNetUnfolder]: 682/1415 cut-off events. [2021-06-11 06:16:42,557 INFO L130 PetriNetUnfolder]: For 10721/21399 co-relation queries the response was YES. [2021-06-11 06:16:42,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8132 conditions, 1415 events. 682/1415 cut-off events. For 10721/21399 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 10741 event pairs, 15 based on Foata normal form. 573/1781 useless extension candidates. Maximal degree in co-relation 8103. Up to 727 conditions per place. [2021-06-11 06:16:42,576 INFO L132 encePairwiseOnDemand]: 212/220 looper letters, 2 selfloop transitions, 37 changer transitions 5/76 dead transitions. [2021-06-11 06:16:42,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 76 transitions, 743 flow [2021-06-11 06:16:42,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 06:16:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 06:16:42,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1993 transitions. [2021-06-11 06:16:42,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8235537190082645 [2021-06-11 06:16:42,581 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1993 transitions. [2021-06-11 06:16:42,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1993 transitions. [2021-06-11 06:16:42,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:42,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1993 transitions. [2021-06-11 06:16:42,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 181.1818181818182) internal successors, (1993), 11 states have internal predecessors, (1993), 0 states have call successors, (0), 0 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 06:16:42,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 220.0) internal successors, (2640), 12 states have internal predecessors, (2640), 0 states have call successors, (0), 0 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 06:16:42,590 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 220.0) internal successors, (2640), 12 states have internal predecessors, (2640), 0 states have call successors, (0), 0 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 06:16:42,590 INFO L185 Difference]: Start difference. First operand has 70 places, 70 transitions, 589 flow. Second operand 11 states and 1993 transitions. [2021-06-11 06:16:42,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 76 transitions, 743 flow [2021-06-11 06:16:42,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 76 transitions, 627 flow, removed 36 selfloop flow, removed 6 redundant places. [2021-06-11 06:16:42,671 INFO L241 Difference]: Finished difference. Result has 77 places, 71 transitions, 578 flow [2021-06-11 06:16:42,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=578, PETRI_PLACES=77, PETRI_TRANSITIONS=71} [2021-06-11 06:16:42,671 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 34 predicate places. [2021-06-11 06:16:42,671 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:42,671 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 71 transitions, 578 flow [2021-06-11 06:16:42,671 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 71 transitions, 578 flow [2021-06-11 06:16:42,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 71 transitions, 578 flow [2021-06-11 06:16:42,838 INFO L129 PetriNetUnfolder]: 673/1396 cut-off events. [2021-06-11 06:16:42,838 INFO L130 PetriNetUnfolder]: For 5324/5894 co-relation queries the response was YES. [2021-06-11 06:16:42,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6210 conditions, 1396 events. 673/1396 cut-off events. For 5324/5894 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 10929 event pairs, 14 based on Foata normal form. 1/1230 useless extension candidates. Maximal degree in co-relation 6181. Up to 472 conditions per place. [2021-06-11 06:16:42,873 INFO L151 LiptonReduction]: Number of co-enabled transitions 1202 [2021-06-11 06:16:42,909 INFO L163 LiptonReduction]: Checked pairs total: 695 [2021-06-11 06:16:42,909 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:42,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 238 [2021-06-11 06:16:42,910 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 71 transitions, 578 flow [2021-06-11 06:16:42,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 177.85714285714286) internal successors, (1245), 7 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 06:16:42,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:42,911 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] [2021-06-11 06:16:42,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 06:16:42,911 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:42,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:42,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1599346124, now seen corresponding path program 1 times [2021-06-11 06:16:42,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:42,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123885579] [2021-06-11 06:16:42,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:42,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:42,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:42,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:43,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:43,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:43,007 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 06:16:43,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123885579] [2021-06-11 06:16:43,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:43,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:16:43,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156580172] [2021-06-11 06:16:43,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:43,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:43,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:43,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:43,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 220 [2021-06-11 06:16:43,010 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 71 transitions, 578 flow. Second operand has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 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 06:16:43,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:43,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 220 [2021-06-11 06:16:43,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:43,216 INFO L129 PetriNetUnfolder]: 1097/2242 cut-off events. [2021-06-11 06:16:43,217 INFO L130 PetriNetUnfolder]: For 9315/10669 co-relation queries the response was YES. [2021-06-11 06:16:43,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10029 conditions, 2242 events. 1097/2242 cut-off events. For 9315/10669 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 18802 event pairs, 21 based on Foata normal form. 2/1948 useless extension candidates. Maximal degree in co-relation 9998. Up to 752 conditions per place. [2021-06-11 06:16:43,236 INFO L132 encePairwiseOnDemand]: 217/220 looper letters, 4 selfloop transitions, 3 changer transitions 7/73 dead transitions. [2021-06-11 06:16:43,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 73 transitions, 604 flow [2021-06-11 06:16:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 06:16:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 06:16:43,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 758 transitions. [2021-06-11 06:16:43,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8613636363636363 [2021-06-11 06:16:43,238 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 758 transitions. [2021-06-11 06:16:43,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 758 transitions. [2021-06-11 06:16:43,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:43,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 758 transitions. [2021-06-11 06:16:43,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 189.5) internal successors, (758), 4 states have internal predecessors, (758), 0 states have call successors, (0), 0 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 06:16:43,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 06:16:43,242 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 06:16:43,242 INFO L185 Difference]: Start difference. First operand has 76 places, 71 transitions, 578 flow. Second operand 4 states and 758 transitions. [2021-06-11 06:16:43,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 73 transitions, 604 flow [2021-06-11 06:16:43,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 73 transitions, 485 flow, removed 25 selfloop flow, removed 10 redundant places. [2021-06-11 06:16:43,386 INFO L241 Difference]: Finished difference. Result has 71 places, 66 transitions, 427 flow [2021-06-11 06:16:43,386 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=427, PETRI_PLACES=71, PETRI_TRANSITIONS=66} [2021-06-11 06:16:43,387 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 28 predicate places. [2021-06-11 06:16:43,387 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:43,387 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 66 transitions, 427 flow [2021-06-11 06:16:43,387 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 66 transitions, 427 flow [2021-06-11 06:16:43,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 66 transitions, 427 flow [2021-06-11 06:16:43,443 INFO L129 PetriNetUnfolder]: 460/1030 cut-off events. [2021-06-11 06:16:43,443 INFO L130 PetriNetUnfolder]: For 2051/2132 co-relation queries the response was YES. [2021-06-11 06:16:43,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3776 conditions, 1030 events. 460/1030 cut-off events. For 2051/2132 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 8194 event pairs, 20 based on Foata normal form. 1/907 useless extension candidates. Maximal degree in co-relation 3749. Up to 360 conditions per place. [2021-06-11 06:16:43,458 INFO L151 LiptonReduction]: Number of co-enabled transitions 886 [2021-06-11 06:16:43,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:43,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:43,506 INFO L163 LiptonReduction]: Checked pairs total: 822 [2021-06-11 06:16:43,507 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 06:16:43,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 120 [2021-06-11 06:16:43,507 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 66 transitions, 430 flow [2021-06-11 06:16:43,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 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 06:16:43,508 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:43,508 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] [2021-06-11 06:16:43,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 06:16:43,508 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:43,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:43,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1066211704, now seen corresponding path program 2 times [2021-06-11 06:16:43,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:43,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438175550] [2021-06-11 06:16:43,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:43,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:43,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:43,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:43,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:43,564 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 06:16:43,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:16:43,574 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 06:16:43,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438175550] [2021-06-11 06:16:43,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:43,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 06:16:43,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808996458] [2021-06-11 06:16:43,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 06:16:43,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:43,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 06:16:43,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 06:16:43,576 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 221 [2021-06-11 06:16:43,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 66 transitions, 430 flow. Second operand has 4 states, 4 states have (on average 173.25) internal successors, (693), 4 states have internal predecessors, (693), 0 states have call successors, (0), 0 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 06:16:43,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:43,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 221 [2021-06-11 06:16:43,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:43,782 INFO L129 PetriNetUnfolder]: 747/1629 cut-off events. [2021-06-11 06:16:43,783 INFO L130 PetriNetUnfolder]: For 3346/3531 co-relation queries the response was YES. [2021-06-11 06:16:43,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6126 conditions, 1629 events. 747/1629 cut-off events. For 3346/3531 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 13601 event pairs, 10 based on Foata normal form. 7/1417 useless extension candidates. Maximal degree in co-relation 6097. Up to 560 conditions per place. [2021-06-11 06:16:43,795 INFO L132 encePairwiseOnDemand]: 211/221 looper letters, 15 selfloop transitions, 16 changer transitions 3/81 dead transitions. [2021-06-11 06:16:43,795 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 81 transitions, 591 flow [2021-06-11 06:16:43,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 06:16:43,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 06:16:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 880 transitions. [2021-06-11 06:16:43,798 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7963800904977375 [2021-06-11 06:16:43,798 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 880 transitions. [2021-06-11 06:16:43,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 880 transitions. [2021-06-11 06:16:43,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:43,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 880 transitions. [2021-06-11 06:16:43,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 176.0) internal successors, (880), 5 states have internal predecessors, (880), 0 states have call successors, (0), 0 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 06:16:43,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 221.0) internal successors, (1326), 6 states have internal predecessors, (1326), 0 states have call successors, (0), 0 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 06:16:43,802 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 221.0) internal successors, (1326), 6 states have internal predecessors, (1326), 0 states have call successors, (0), 0 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 06:16:43,802 INFO L185 Difference]: Start difference. First operand has 71 places, 66 transitions, 430 flow. Second operand 5 states and 880 transitions. [2021-06-11 06:16:43,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 81 transitions, 591 flow [2021-06-11 06:16:43,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 81 transitions, 558 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-06-11 06:16:43,889 INFO L241 Difference]: Finished difference. Result has 74 places, 75 transitions, 533 flow [2021-06-11 06:16:43,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=533, PETRI_PLACES=74, PETRI_TRANSITIONS=75} [2021-06-11 06:16:43,890 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 31 predicate places. [2021-06-11 06:16:43,890 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:43,890 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 75 transitions, 533 flow [2021-06-11 06:16:43,890 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 75 transitions, 533 flow [2021-06-11 06:16:43,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 75 transitions, 533 flow [2021-06-11 06:16:44,018 INFO L129 PetriNetUnfolder]: 803/1799 cut-off events. [2021-06-11 06:16:44,019 INFO L130 PetriNetUnfolder]: For 3707/3839 co-relation queries the response was YES. [2021-06-11 06:16:44,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6755 conditions, 1799 events. 803/1799 cut-off events. For 3707/3839 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 15998 event pairs, 21 based on Foata normal form. 1/1591 useless extension candidates. Maximal degree in co-relation 6727. Up to 632 conditions per place. [2021-06-11 06:16:44,045 INFO L151 LiptonReduction]: Number of co-enabled transitions 1186 [2021-06-11 06:16:44,080 INFO L163 LiptonReduction]: Checked pairs total: 413 [2021-06-11 06:16:44,081 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 06:16:44,081 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 191 [2021-06-11 06:16:44,081 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 75 transitions, 533 flow [2021-06-11 06:16:44,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 173.25) internal successors, (693), 4 states have internal predecessors, (693), 0 states have call successors, (0), 0 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 06:16:44,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:44,082 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] [2021-06-11 06:16:44,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 06:16:44,082 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:44,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:44,082 INFO L82 PathProgramCache]: Analyzing trace with hash -988785040, now seen corresponding path program 3 times [2021-06-11 06:16:44,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:44,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254313658] [2021-06-11 06:16:44,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 06:16:44,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:44,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:44,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:44,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:44,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:44,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 06:16:44,145 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 06:16:44,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 06:16:44,156 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 06:16:44,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254313658] [2021-06-11 06:16:44,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 06:16:44,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 06:16:44,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908790959] [2021-06-11 06:16:44,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 06:16:44,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 06:16:44,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 06:16:44,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 06:16:44,158 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 221 [2021-06-11 06:16:44,159 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 75 transitions, 533 flow. Second operand has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 0 states have call successors, (0), 0 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 06:16:44,159 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 06:16:44,159 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 221 [2021-06-11 06:16:44,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 06:16:44,392 INFO L129 PetriNetUnfolder]: 1054/2296 cut-off events. [2021-06-11 06:16:44,392 INFO L130 PetriNetUnfolder]: For 4778/5032 co-relation queries the response was YES. [2021-06-11 06:16:44,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8842 conditions, 2296 events. 1054/2296 cut-off events. For 4778/5032 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 20148 event pairs, 24 based on Foata normal form. 13/2000 useless extension candidates. Maximal degree in co-relation 8812. Up to 816 conditions per place. [2021-06-11 06:16:44,405 INFO L132 encePairwiseOnDemand]: 212/221 looper letters, 8 selfloop transitions, 5 changer transitions 30/87 dead transitions. [2021-06-11 06:16:44,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 87 transitions, 719 flow [2021-06-11 06:16:44,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 06:16:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 06:16:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1053 transitions. [2021-06-11 06:16:44,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7941176470588235 [2021-06-11 06:16:44,408 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1053 transitions. [2021-06-11 06:16:44,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1053 transitions. [2021-06-11 06:16:44,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 06:16:44,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1053 transitions. [2021-06-11 06:16:44,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 175.5) internal successors, (1053), 6 states have internal predecessors, (1053), 0 states have call successors, (0), 0 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 06:16:44,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 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 06:16:44,413 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 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 06:16:44,413 INFO L185 Difference]: Start difference. First operand has 74 places, 75 transitions, 533 flow. Second operand 6 states and 1053 transitions. [2021-06-11 06:16:44,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 87 transitions, 719 flow [2021-06-11 06:16:44,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 87 transitions, 719 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 06:16:44,572 INFO L241 Difference]: Finished difference. Result has 80 places, 55 transitions, 365 flow [2021-06-11 06:16:44,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=533, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=365, PETRI_PLACES=80, PETRI_TRANSITIONS=55} [2021-06-11 06:16:44,573 INFO L343 CegarLoopForPetriNet]: 43 programPoint places, 37 predicate places. [2021-06-11 06:16:44,573 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 06:16:44,573 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 55 transitions, 365 flow [2021-06-11 06:16:44,573 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 55 transitions, 365 flow [2021-06-11 06:16:44,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 55 transitions, 365 flow [2021-06-11 06:16:44,616 INFO L129 PetriNetUnfolder]: 230/643 cut-off events. [2021-06-11 06:16:44,617 INFO L130 PetriNetUnfolder]: For 1372/1441 co-relation queries the response was YES. [2021-06-11 06:16:44,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2382 conditions, 643 events. 230/643 cut-off events. For 1372/1441 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 5038 event pairs, 19 based on Foata normal form. 0/571 useless extension candidates. Maximal degree in co-relation 2356. Up to 204 conditions per place. [2021-06-11 06:16:44,622 INFO L151 LiptonReduction]: Number of co-enabled transitions 438 [2021-06-11 06:16:44,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:44,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:44,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 06:16:44,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 06:16:44,780 INFO L163 LiptonReduction]: Checked pairs total: 433 [2021-06-11 06:16:44,780 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 06:16:44,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 208 [2021-06-11 06:16:44,781 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 53 transitions, 357 flow [2021-06-11 06:16:44,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 0 states have call successors, (0), 0 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 06:16:44,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 06:16:44,782 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] [2021-06-11 06:16:44,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 06:16:44,782 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 06:16:44,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 06:16:44,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1393060222, now seen corresponding path program 4 times [2021-06-11 06:16:44,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 06:16:44,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281007768] [2021-06-11 06:16:44,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 06:16:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:16:44,809 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:16:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 06:16:44,838 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 06:16:44,865 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 06:16:44,866 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 06:16:44,866 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 06:16:44,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 06:16:44 BasicIcfg [2021-06-11 06:16:44,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 06:16:44,946 INFO L168 Benchmark]: Toolchain (without parser) took 15245.46 ms. Allocated memory was 343.9 MB in the beginning and 610.3 MB in the end (delta: 266.3 MB). Free memory was 306.6 MB in the beginning and 444.0 MB in the end (delta: -137.4 MB). Peak memory consumption was 132.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:44,947 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 343.9 MB. Free memory was 325.2 MB in the beginning and 325.1 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 06:16:44,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.55 ms. Allocated memory is still 343.9 MB. Free memory was 306.5 MB in the beginning and 296.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:44,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.48 ms. Allocated memory is still 343.9 MB. Free memory was 296.3 MB in the beginning and 294.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:44,947 INFO L168 Benchmark]: Boogie Preprocessor took 53.03 ms. Allocated memory is still 343.9 MB. Free memory was 294.2 MB in the beginning and 292.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:44,947 INFO L168 Benchmark]: RCFGBuilder took 1598.19 ms. Allocated memory is still 343.9 MB. Free memory was 292.1 MB in the beginning and 305.6 MB in the end (delta: -13.5 MB). Peak memory consumption was 174.2 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:44,947 INFO L168 Benchmark]: TraceAbstraction took 12920.09 ms. Allocated memory was 343.9 MB in the beginning and 610.3 MB in the end (delta: 266.3 MB). Free memory was 305.6 MB in the beginning and 444.0 MB in the end (delta: -138.4 MB). Peak memory consumption was 128.9 MB. Max. memory is 16.0 GB. [2021-06-11 06:16:44,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 343.9 MB. Free memory was 325.2 MB in the beginning and 325.1 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 624.55 ms. Allocated memory is still 343.9 MB. Free memory was 306.5 MB in the beginning and 296.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 41.48 ms. Allocated memory is still 343.9 MB. Free memory was 296.3 MB in the beginning and 294.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 53.03 ms. Allocated memory is still 343.9 MB. Free memory was 294.2 MB in the beginning and 292.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1598.19 ms. Allocated memory is still 343.9 MB. Free memory was 292.1 MB in the beginning and 305.6 MB in the end (delta: -13.5 MB). Peak memory consumption was 174.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 12920.09 ms. Allocated memory was 343.9 MB in the beginning and 610.3 MB in the end (delta: 266.3 MB). Free memory was 305.6 MB in the beginning and 444.0 MB in the end (delta: -138.4 MB). Peak memory consumption was 128.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6432.8ms, 124 PlacesBefore, 43 PlacesAfterwards, 113 TransitionsBefore, 31 TransitionsAfterwards, 2488 CoEnabledTransitionPairs, 8 FixpointIterations, 42 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 101 TotalNumberOfCompositions, 6749 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3040, positive: 2850, positive conditional: 0, positive unconditional: 2850, negative: 190, negative conditional: 0, negative unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1683, positive: 1631, positive conditional: 0, positive unconditional: 1631, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1683, positive: 1631, positive conditional: 0, positive unconditional: 1631, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1683, positive: 1598, positive conditional: 0, positive unconditional: 1598, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 85, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 567, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 484, negative conditional: 0, negative unconditional: 484, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3040, positive: 1219, positive conditional: 0, positive unconditional: 1219, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 1683, unknown conditional: 0, unknown unconditional: 1683] , Statistics on independence cache: Total cache size (in pairs): 2894, Positive cache size: 2842, Positive conditional cache size: 0, Positive unconditional cache size: 2842, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 285.4ms, 39 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 384 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 834 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 306, positive: 260, positive conditional: 0, positive unconditional: 260, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 306, positive: 221, positive conditional: 0, positive unconditional: 221, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 45, unknown conditional: 0, unknown unconditional: 45] , Statistics on independence cache: Total cache size (in pairs): 2975, Positive cache size: 2917, Positive conditional cache size: 0, Positive unconditional cache size: 2917, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.2ms, 44 PlacesBefore, 41 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 222 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 33, positive conditional: 0, positive unconditional: 33, 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: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 44, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 2981, Positive cache size: 2923, Positive conditional cache size: 0, Positive unconditional cache size: 2923, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.1ms, 43 PlacesBefore, 43 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 289 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 87, positive: 74, positive conditional: 0, positive unconditional: 74, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 87, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 2989, Positive cache size: 2931, Positive conditional cache size: 0, Positive unconditional cache size: 2931, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.5ms, 45 PlacesBefore, 45 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 115, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 15, negative conditional: 0, negative unconditional: 15, 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: 115, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 2990, Positive cache size: 2932, Positive conditional cache size: 0, Positive unconditional cache size: 2932, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 197.6ms, 51 PlacesBefore, 51 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 818 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 402 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 36, positive conditional: 0, positive unconditional: 36, 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: 49, positive: 36, positive conditional: 0, positive unconditional: 36, 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): 2990, Positive cache size: 2932, Positive conditional cache size: 0, Positive unconditional cache size: 2932, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 177.2ms, 54 PlacesBefore, 54 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 818 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 402 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 36, positive conditional: 0, positive unconditional: 36, 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: 49, positive: 36, positive conditional: 0, positive unconditional: 36, 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): 2990, Positive cache size: 2932, Positive conditional cache size: 0, Positive unconditional cache size: 2932, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 180.5ms, 62 PlacesBefore, 62 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 1116 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 574 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 15, negative conditional: 0, negative unconditional: 15, 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: 96, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2990, Positive cache size: 2932, Positive conditional cache size: 0, Positive unconditional cache size: 2932, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 211.6ms, 70 PlacesBefore, 70 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 1246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 727 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 156, positive: 139, positive conditional: 0, positive unconditional: 139, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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: 156, positive: 139, positive conditional: 0, positive unconditional: 139, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2990, Positive cache size: 2932, Positive conditional cache size: 0, Positive unconditional cache size: 2932, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 237.4ms, 77 PlacesBefore, 76 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 1202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 695 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 159, positive: 142, positive conditional: 0, positive unconditional: 142, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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: 159, positive: 142, positive conditional: 0, positive unconditional: 142, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2990, Positive cache size: 2932, Positive conditional cache size: 0, Positive unconditional cache size: 2932, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 119.6ms, 71 PlacesBefore, 71 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 822 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 554, positive: 532, positive conditional: 0, positive unconditional: 532, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 7, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 7, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 554, positive: 526, positive conditional: 0, positive unconditional: 526, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 3081, Positive cache size: 3022, Positive conditional cache size: 0, Positive unconditional cache size: 3022, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.7ms, 74 PlacesBefore, 74 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 413 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 238, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 238, positive: 227, positive conditional: 0, positive unconditional: 227, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3081, Positive cache size: 3022, Positive conditional cache size: 0, Positive unconditional cache size: 3022, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 207.3ms, 80 PlacesBefore, 77 PlacesAfterwards, 55 TransitionsBefore, 53 TransitionsAfterwards, 438 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 433 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 314, positive: 300, positive conditional: 0, positive unconditional: 300, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 314, positive: 300, positive conditional: 0, positive unconditional: 300, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3202, Positive cache size: 3143, Positive conditional cache size: 0, Positive unconditional cache size: 3143, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59 - 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_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool z$flush_delayed; [L732] 0 int z$mem_tmp; [L733] 0 _Bool z$r_buff0_thd0; [L734] 0 _Bool z$r_buff0_thd1; [L735] 0 _Bool z$r_buff0_thd2; [L736] 0 _Bool z$r_buff0_thd3; [L737] 0 _Bool z$r_buff0_thd4; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$r_buff1_thd4; [L743] 0 _Bool z$read_delayed; [L744] 0 int *z$read_delayed_var; [L745] 0 int z$w_buff0; [L746] 0 _Bool z$w_buff0_used; [L747] 0 int z$w_buff1; [L748] 0 _Bool z$w_buff1_used; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L856] 0 pthread_t t1053; [L857] FCALL, FORK 0 pthread_create(&t1053, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 pthread_t t1054; [L859] FCALL, FORK 0 pthread_create(&t1054, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L860] 0 pthread_t t1055; [L861] FCALL, FORK 0 pthread_create(&t1055, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_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, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L862] 0 pthread_t t1056; [L863] FCALL, FORK 0 pthread_create(&t1056, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_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, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L812] 4 z$w_buff1 = z$w_buff0 [L813] 4 z$w_buff0 = 1 [L814] 4 z$w_buff1_used = z$w_buff0_used [L815] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L817] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L818] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L819] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L820] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L821] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L822] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L825] 4 a = 1 [L828] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_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}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L831] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_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}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_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}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_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}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L769] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_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}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_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}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L784] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_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, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L787] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L788] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L789] 3 z$flush_delayed = weak$$choice2 [L790] 3 z$mem_tmp = z [L791] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L791] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L792] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L792] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L793] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L793] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L794] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L794] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L795] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L796] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L797] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L797] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] 3 __unbuffered_p2_EAX = z [L799] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L799] 3 z = z$flush_delayed ? z$mem_tmp : z [L800] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 2 return 0; [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L805] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L807] 3 return 0; [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L834] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L835] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L836] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L836] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L837] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L837] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L838] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L838] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L841] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L843] 4 return 0; [L865] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L869] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L869] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L870] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L870] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L871] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L871] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L872] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L872] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L873] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L873] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L876] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_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_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, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 12707.4ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2991.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6532.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 85 SDtfs, 66 SDslu, 54 SDs, 0 SdLazy, 247 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 262.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 232.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=589occurred in iteration=8, InterpolantAutomatonStates: 65, 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: 39.1ms SsaConstructionTime, 423.2ms SatisfiabilityAnalysisTime, 542.0ms InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 999 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...