/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239
[2021-03-25 05:09:06,635 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-03-25 05:09:06,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-03-25 05:09:06,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-03-25 05:09:06,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-03-25 05:09:06,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-03-25 05:09:06,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-03-25 05:09:06,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-03-25 05:09:06,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-03-25 05:09:06,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-03-25 05:09:06,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-03-25 05:09:06,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-03-25 05:09:06,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-03-25 05:09:06,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-03-25 05:09:06,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-03-25 05:09:06,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-03-25 05:09:06,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-03-25 05:09:06,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-03-25 05:09:06,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-03-25 05:09:06,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-03-25 05:09:06,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-03-25 05:09:06,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-03-25 05:09:06,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-03-25 05:09:06,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-03-25 05:09:06,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-03-25 05:09:06,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-03-25 05:09:06,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-03-25 05:09:06,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-03-25 05:09:06,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-03-25 05:09:06,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-03-25 05:09:06,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-03-25 05:09:06,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-03-25 05:09:06,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-03-25 05:09:06,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-03-25 05:09:06,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-03-25 05:09:06,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-03-25 05:09:06,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-03-25 05:09:06,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-03-25 05:09:06,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-03-25 05:09:06,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-03-25 05:09:06,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-03-25 05:09:06,701 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-RepeatedVariableLbe.epf
[2021-03-25 05:09:06,739 INFO L113 SettingsManager]: Loading preferences was successful
[2021-03-25 05:09:06,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-03-25 05:09:06,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-03-25 05:09:06,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-03-25 05:09:06,743 INFO L138 SettingsManager]: * Use SBE=true
[2021-03-25 05:09:06,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-03-25 05:09:06,743 INFO L138 SettingsManager]: * sizeof long=4
[2021-03-25 05:09:06,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-03-25 05:09:06,744 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-03-25 05:09:06,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-03-25 05:09:06,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-03-25 05:09:06,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-03-25 05:09:06,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-03-25 05:09:06,745 INFO L138 SettingsManager]: * sizeof long double=12
[2021-03-25 05:09:06,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-03-25 05:09:06,745 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-03-25 05:09:06,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-03-25 05:09:06,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-03-25 05:09:06,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-03-25 05:09:06,746 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-03-25 05:09:06,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-03-25 05:09:06,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-03-25 05:09:06,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-03-25 05:09:06,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-03-25 05:09:06,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-03-25 05:09:06,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-03-25 05:09:06,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-03-25 05:09:06,747 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2021-03-25 05:09:06,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-03-25 05:09:06,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-03-25 05:09:06,747 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-03-25 05:09:07,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-03-25 05:09:07,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-03-25 05:09:07,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-03-25 05:09:07,048 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-03-25 05:09:07,051 INFO L275 PluginConnector]: CDTParser initialized
[2021-03-25 05:09:07,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i
[2021-03-25 05:09:07,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b40877ad1/e7de220de43147aa94207d686803778e/FLAGa0784d287
[2021-03-25 05:09:07,647 INFO L306 CDTParser]: Found 1 translation units.
[2021-03-25 05:09:07,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.oepc.i
[2021-03-25 05:09:07,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b40877ad1/e7de220de43147aa94207d686803778e/FLAGa0784d287
[2021-03-25 05:09:07,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b40877ad1/e7de220de43147aa94207d686803778e
[2021-03-25 05:09:07,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-03-25 05:09:07,965 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-03-25 05:09:07,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-03-25 05:09:07,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-03-25 05:09:07,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-03-25 05:09:07,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:09:07" (1/1) ...
[2021-03-25 05:09:07,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f604107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:07, skipping insertion in model container
[2021-03-25 05:09:07,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:09:07" (1/1) ...
[2021-03-25 05:09:07,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-03-25 05:09:08,025 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-03-25 05:09:08,142 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/safe029_tso.oepc.i[950,963]
[2021-03-25 05:09:08,333 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-03-25 05:09:08,341 INFO L203 MainTranslator]: Completed pre-run
[2021-03-25 05:09:08,354 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/safe029_tso.oepc.i[950,963]
[2021-03-25 05:09:08,387 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-03-25 05:09:08,460 INFO L208 MainTranslator]: Completed translation
[2021-03-25 05:09:08,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08 WrapperNode
[2021-03-25 05:09:08,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-03-25 05:09:08,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-03-25 05:09:08,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-03-25 05:09:08,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-03-25 05:09:08,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08" (1/1) ...
[2021-03-25 05:09:08,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08" (1/1) ...
[2021-03-25 05:09:08,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-03-25 05:09:08,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-03-25 05:09:08,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-03-25 05:09:08,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-03-25 05:09:08,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08" (1/1) ...
[2021-03-25 05:09:08,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08" (1/1) ...
[2021-03-25 05:09:08,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08" (1/1) ...
[2021-03-25 05:09:08,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08" (1/1) ...
[2021-03-25 05:09:08,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08" (1/1) ...
[2021-03-25 05:09:08,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08" (1/1) ...
[2021-03-25 05:09:08,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08" (1/1) ...
[2021-03-25 05:09:08,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-03-25 05:09:08,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-03-25 05:09:08,552 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-03-25 05:09:08,552 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-03-25 05:09:08,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08" (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
[2021-03-25 05:09:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-03-25 05:09:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-03-25 05:09:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-03-25 05:09:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-03-25 05:09:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2021-03-25 05:09:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2021-03-25 05:09:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2021-03-25 05:09:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2021-03-25 05:09:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-03-25 05:09:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-03-25 05:09:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-03-25 05:09:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-03-25 05:09:08,637 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-03-25 05:09:08,971 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-03-25 05:09:08,971 INFO L299 CfgBuilder]: Removed 8 assume(true) statements.
[2021-03-25 05:09:08,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:09:08 BoogieIcfgContainer
[2021-03-25 05:09:08,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-03-25 05:09:08,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-03-25 05:09:08,974 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-03-25 05:09:08,977 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-03-25 05:09:08,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 05:09:07" (1/3) ...
[2021-03-25 05:09:08,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f9de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:09:08, skipping insertion in model container
[2021-03-25 05:09:08,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:09:08" (2/3) ...
[2021-03-25 05:09:08,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f9de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:09:08, skipping insertion in model container
[2021-03-25 05:09:08,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:09:08" (3/3) ...
[2021-03-25 05:09:08,979 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i
[2021-03-25 05:09:08,984 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-03-25 05:09:08,989 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-03-25 05:09:08,989 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-03-25 05:09:09,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,016 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,017 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,017 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,017 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,020 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,020 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,020 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,020 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,023 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,024 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,030 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,030 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:09:09,032 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-03-25 05:09:09,048 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-03-25 05:09:09,076 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-03-25 05:09:09,077 INFO L377 AbstractCegarLoop]: Hoare is false
[2021-03-25 05:09:09,077 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-03-25 05:09:09,077 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-03-25 05:09:09,077 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-03-25 05:09:09,077 INFO L381 AbstractCegarLoop]: Difference is false
[2021-03-25 05:09:09,077 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-03-25 05:09:09,077 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-03-25 05:09:09,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 59 transitions, 128 flow
[2021-03-25 05:09:09,137 INFO L129 PetriNetUnfolder]: 2/57 cut-off events.
[2021-03-25 05:09:09,138 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 05:09:09,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 57 events. 2/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place.
[2021-03-25 05:09:09,143 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 59 transitions, 128 flow
[2021-03-25 05:09:09,155 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 47 transitions, 100 flow
[2021-03-25 05:09:09,156 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2021-03-25 05:09:09,167 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 47 transitions, 100 flow
[2021-03-25 05:09:09,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 47 transitions, 100 flow
[2021-03-25 05:09:09,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 47 transitions, 100 flow
[2021-03-25 05:09:09,195 INFO L129 PetriNetUnfolder]: 1/47 cut-off events.
[2021-03-25 05:09:09,195 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 05:09:09,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 47 events. 1/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 34 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place.
[2021-03-25 05:09:09,198 INFO L142 LiptonReduction]: Number of co-enabled transitions 456
[2021-03-25 05:09:10,332 INFO L154 LiptonReduction]: Checked pairs total: 644
[2021-03-25 05:09:10,333 INFO L156 LiptonReduction]: Total number of compositions: 31
[2021-03-25 05:09:10,335 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1180
[2021-03-25 05:09:10,345 INFO L129 PetriNetUnfolder]: 0/15 cut-off events.
[2021-03-25 05:09:10,345 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 05:09:10,345 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 05:09:10,346 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 05:09:10,346 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 05:09:10,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 05:09:10,352 INFO L82 PathProgramCache]: Analyzing trace with hash 769405957, now seen corresponding path program 1 times
[2021-03-25 05:09:10,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 05:09:10,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388993848]
[2021-03-25 05:09:10,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 05:09:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 05:09:10,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:09:10,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 05:09:10,571 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size
[2021-03-25 05:09:10,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-25 05:09:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 05:09:10,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388993848]
[2021-03-25 05:09:10,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 05:09:10,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-25 05:09:10,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158286949]
[2021-03-25 05:09:10,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-25 05:09:10,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 05:09:10,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-25 05:09:10,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-25 05:09:10,614 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 90
[2021-03-25 05:09:10,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 16 transitions, 38 flow. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:10,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 05:09:10,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 90
[2021-03-25 05:09:10,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 05:09:10,650 INFO L129 PetriNetUnfolder]: 11/50 cut-off events.
[2021-03-25 05:09:10,650 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 05:09:10,651 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 50 events. 11/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 137 event pairs, 3 based on Foata normal form. 2/47 useless extension candidates. Maximal degree in co-relation 79. Up to 17 conditions per place.
[2021-03-25 05:09:10,652 INFO L132 encePairwiseOnDemand]: 84/90 looper letters, 5 selfloop transitions, 5 changer transitions 0/20 dead transitions.
[2021-03-25 05:09:10,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 20 transitions, 66 flow
[2021-03-25 05:09:10,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-03-25 05:09:10,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-25 05:09:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions.
[2021-03-25 05:09:10,666 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8407407407407408
[2021-03-25 05:09:10,667 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 227 transitions.
[2021-03-25 05:09:10,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 227 transitions.
[2021-03-25 05:09:10,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 05:09:10,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 227 transitions.
[2021-03-25 05:09:10,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:10,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:10,687 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:10,688 INFO L185 Difference]: Start difference. First operand has 23 places, 16 transitions, 38 flow. Second operand 3 states and 227 transitions.
[2021-03-25 05:09:10,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 20 transitions, 66 flow
[2021-03-25 05:09:10,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 20 transitions, 64 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-03-25 05:09:10,702 INFO L241 Difference]: Finished difference. Result has 25 places, 20 transitions, 74 flow
[2021-03-25 05:09:10,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=25, PETRI_TRANSITIONS=20}
[2021-03-25 05:09:10,704 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 2 predicate places.
[2021-03-25 05:09:10,705 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2021-03-25 05:09:10,705 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 20 transitions, 74 flow
[2021-03-25 05:09:10,705 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 20 transitions, 74 flow
[2021-03-25 05:09:10,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 20 transitions, 74 flow
[2021-03-25 05:09:10,719 INFO L129 PetriNetUnfolder]: 11/50 cut-off events.
[2021-03-25 05:09:10,719 INFO L130 PetriNetUnfolder]: For 8/10 co-relation queries the response was YES.
[2021-03-25 05:09:10,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 50 events. 11/50 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 151 event pairs, 5 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 97. Up to 17 conditions per place.
[2021-03-25 05:09:10,720 INFO L142 LiptonReduction]: Number of co-enabled transitions 90
[2021-03-25 05:09:11,015 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70
[2021-03-25 05:09:11,205 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70
[2021-03-25 05:09:11,266 INFO L154 LiptonReduction]: Checked pairs total: 89
[2021-03-25 05:09:11,266 INFO L156 LiptonReduction]: Total number of compositions: 4
[2021-03-25 05:09:11,267 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 562
[2021-03-25 05:09:11,267 INFO L480 AbstractCegarLoop]: Abstraction has has 21 places, 16 transitions, 66 flow
[2021-03-25 05:09:11,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,268 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 05:09:11,268 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 05:09:11,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-03-25 05:09:11,268 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 05:09:11,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 05:09:11,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1918219436, now seen corresponding path program 1 times
[2021-03-25 05:09:11,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 05:09:11,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293167193]
[2021-03-25 05:09:11,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 05:09:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 05:09:11,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:09:11,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 05:09:11,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:09:11,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 05:09:11,357 INFO L142 QuantifierPusher]: treesize reduction 3, result has 75.0 percent of original size
[2021-03-25 05:09:11,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-03-25 05:09:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 05:09:11,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293167193]
[2021-03-25 05:09:11,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 05:09:11,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-25 05:09:11,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077692182]
[2021-03-25 05:09:11,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-25 05:09:11,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 05:09:11,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-25 05:09:11,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-03-25 05:09:11,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 94
[2021-03-25 05:09:11,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 16 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 05:09:11,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 94
[2021-03-25 05:09:11,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 05:09:11,399 INFO L129 PetriNetUnfolder]: 9/41 cut-off events.
[2021-03-25 05:09:11,399 INFO L130 PetriNetUnfolder]: For 13/17 co-relation queries the response was YES.
[2021-03-25 05:09:11,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 41 events. 9/41 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 121 event pairs, 1 based on Foata normal form. 2/43 useless extension candidates. Maximal degree in co-relation 111. Up to 16 conditions per place.
[2021-03-25 05:09:11,400 INFO L132 encePairwiseOnDemand]: 88/94 looper letters, 5 selfloop transitions, 8 changer transitions 0/19 dead transitions.
[2021-03-25 05:09:11,400 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 110 flow
[2021-03-25 05:09:11,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-03-25 05:09:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-03-25 05:09:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 305 transitions.
[2021-03-25 05:09:11,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8111702127659575
[2021-03-25 05:09:11,405 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 305 transitions.
[2021-03-25 05:09:11,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 305 transitions.
[2021-03-25 05:09:11,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 05:09:11,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 305 transitions.
[2021-03-25 05:09:11,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 76.25) internal successors, (305), 4 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,410 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,410 INFO L185 Difference]: Start difference. First operand has 21 places, 16 transitions, 66 flow. Second operand 4 states and 305 transitions.
[2021-03-25 05:09:11,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 110 flow
[2021-03-25 05:09:11,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 19 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-03-25 05:09:11,412 INFO L241 Difference]: Finished difference. Result has 24 places, 19 transitions, 97 flow
[2021-03-25 05:09:11,413 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=97, PETRI_PLACES=24, PETRI_TRANSITIONS=19}
[2021-03-25 05:09:11,413 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 1 predicate places.
[2021-03-25 05:09:11,413 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2021-03-25 05:09:11,413 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 19 transitions, 97 flow
[2021-03-25 05:09:11,414 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 19 transitions, 97 flow
[2021-03-25 05:09:11,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 19 transitions, 97 flow
[2021-03-25 05:09:11,424 INFO L129 PetriNetUnfolder]: 9/41 cut-off events.
[2021-03-25 05:09:11,424 INFO L130 PetriNetUnfolder]: For 19/22 co-relation queries the response was YES.
[2021-03-25 05:09:11,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 41 events. 9/41 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 119 event pairs, 1 based on Foata normal form. 1/42 useless extension candidates. Maximal degree in co-relation 95. Up to 16 conditions per place.
[2021-03-25 05:09:11,425 INFO L142 LiptonReduction]: Number of co-enabled transitions 56
[2021-03-25 05:09:11,426 INFO L154 LiptonReduction]: Checked pairs total: 20
[2021-03-25 05:09:11,426 INFO L156 LiptonReduction]: Total number of compositions: 0
[2021-03-25 05:09:11,427 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14
[2021-03-25 05:09:11,428 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 19 transitions, 97 flow
[2021-03-25 05:09:11,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,428 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 05:09:11,428 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-03-25 05:09:11,428 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-03-25 05:09:11,428 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 05:09:11,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 05:09:11,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1073751341, now seen corresponding path program 1 times
[2021-03-25 05:09:11,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 05:09:11,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479282523]
[2021-03-25 05:09:11,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 05:09:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 05:09:11,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:09:11,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 05:09:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 05:09:11,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479282523]
[2021-03-25 05:09:11,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 05:09:11,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-03-25 05:09:11,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535667452]
[2021-03-25 05:09:11,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-25 05:09:11,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 05:09:11,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-25 05:09:11,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-25 05:09:11,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 94
[2021-03-25 05:09:11,510 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 19 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,510 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 05:09:11,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 94
[2021-03-25 05:09:11,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 05:09:11,521 INFO L129 PetriNetUnfolder]: 7/36 cut-off events.
[2021-03-25 05:09:11,521 INFO L130 PetriNetUnfolder]: For 34/41 co-relation queries the response was YES.
[2021-03-25 05:09:11,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 36 events. 7/36 cut-off events. For 34/41 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 87 event pairs, 0 based on Foata normal form. 2/38 useless extension candidates. Maximal degree in co-relation 95. Up to 15 conditions per place.
[2021-03-25 05:09:11,522 INFO L132 encePairwiseOnDemand]: 90/94 looper letters, 4 selfloop transitions, 4 changer transitions 0/20 dead transitions.
[2021-03-25 05:09:11,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 20 transitions, 120 flow
[2021-03-25 05:09:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-03-25 05:09:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-25 05:09:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 238 transitions.
[2021-03-25 05:09:11,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8439716312056738
[2021-03-25 05:09:11,524 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 238 transitions.
[2021-03-25 05:09:11,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 238 transitions.
[2021-03-25 05:09:11,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 05:09:11,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 238 transitions.
[2021-03-25 05:09:11,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,530 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,530 INFO L185 Difference]: Start difference. First operand has 24 places, 19 transitions, 97 flow. Second operand 3 states and 238 transitions.
[2021-03-25 05:09:11,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 20 transitions, 120 flow
[2021-03-25 05:09:11,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 20 transitions, 120 flow, removed 0 selfloop flow, removed 0 redundant places.
[2021-03-25 05:09:11,534 INFO L241 Difference]: Finished difference. Result has 27 places, 20 transitions, 120 flow
[2021-03-25 05:09:11,534 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=27, PETRI_TRANSITIONS=20}
[2021-03-25 05:09:11,535 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 4 predicate places.
[2021-03-25 05:09:11,535 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2021-03-25 05:09:11,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 20 transitions, 120 flow
[2021-03-25 05:09:11,535 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 20 transitions, 120 flow
[2021-03-25 05:09:11,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 20 transitions, 120 flow
[2021-03-25 05:09:11,541 INFO L129 PetriNetUnfolder]: 7/36 cut-off events.
[2021-03-25 05:09:11,541 INFO L130 PetriNetUnfolder]: For 29/32 co-relation queries the response was YES.
[2021-03-25 05:09:11,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 36 events. 7/36 cut-off events. For 29/32 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 92 event pairs, 0 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 95. Up to 15 conditions per place.
[2021-03-25 05:09:11,542 INFO L142 LiptonReduction]: Number of co-enabled transitions 58
[2021-03-25 05:09:11,543 INFO L154 LiptonReduction]: Checked pairs total: 40
[2021-03-25 05:09:11,544 INFO L156 LiptonReduction]: Total number of compositions: 0
[2021-03-25 05:09:11,544 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9
[2021-03-25 05:09:11,545 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 120 flow
[2021-03-25 05:09:11,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,546 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 05:09:11,546 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 05:09:11,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-03-25 05:09:11,546 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 05:09:11,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 05:09:11,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1073118930, now seen corresponding path program 1 times
[2021-03-25 05:09:11,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 05:09:11,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769237216]
[2021-03-25 05:09:11,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 05:09:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 05:09:11,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:09:11,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 05:09:11,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:09:11,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-25 05:09:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 05:09:11,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769237216]
[2021-03-25 05:09:11,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 05:09:11,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-25 05:09:11,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096731515]
[2021-03-25 05:09:11,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-25 05:09:11,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 05:09:11,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-25 05:09:11,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-03-25 05:09:11,634 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 94
[2021-03-25 05:09:11,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 05:09:11,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 94
[2021-03-25 05:09:11,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 05:09:11,672 INFO L129 PetriNetUnfolder]: 9/47 cut-off events.
[2021-03-25 05:09:11,672 INFO L130 PetriNetUnfolder]: For 55/66 co-relation queries the response was YES.
[2021-03-25 05:09:11,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 47 events. 9/47 cut-off events. For 55/66 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 165 event pairs, 1 based on Foata normal form. 10/56 useless extension candidates. Maximal degree in co-relation 123. Up to 20 conditions per place.
[2021-03-25 05:09:11,674 INFO L132 encePairwiseOnDemand]: 89/94 looper letters, 4 selfloop transitions, 3 changer transitions 9/27 dead transitions.
[2021-03-25 05:09:11,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 27 transitions, 158 flow
[2021-03-25 05:09:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-03-25 05:09:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-03-25 05:09:11,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 379 transitions.
[2021-03-25 05:09:11,676 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8063829787234043
[2021-03-25 05:09:11,676 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 379 transitions.
[2021-03-25 05:09:11,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 379 transitions.
[2021-03-25 05:09:11,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 05:09:11,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 379 transitions.
[2021-03-25 05:09:11,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 75.8) internal successors, (379), 5 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 94.0) internal successors, (564), 6 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,679 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 94.0) internal successors, (564), 6 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,679 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 120 flow. Second operand 5 states and 379 transitions.
[2021-03-25 05:09:11,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 27 transitions, 158 flow
[2021-03-25 05:09:11,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 27 transitions, 146 flow, removed 1 selfloop flow, removed 2 redundant places.
[2021-03-25 05:09:11,681 INFO L241 Difference]: Finished difference. Result has 32 places, 18 transitions, 114 flow
[2021-03-25 05:09:11,682 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=114, PETRI_PLACES=32, PETRI_TRANSITIONS=18}
[2021-03-25 05:09:11,682 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 9 predicate places.
[2021-03-25 05:09:11,682 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2021-03-25 05:09:11,682 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 18 transitions, 114 flow
[2021-03-25 05:09:11,682 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 18 transitions, 114 flow
[2021-03-25 05:09:11,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 18 transitions, 114 flow
[2021-03-25 05:09:11,686 INFO L129 PetriNetUnfolder]: 5/29 cut-off events.
[2021-03-25 05:09:11,687 INFO L130 PetriNetUnfolder]: For 34/37 co-relation queries the response was YES.
[2021-03-25 05:09:11,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 29 events. 5/29 cut-off events. For 34/37 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 58 event pairs, 1 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 86. Up to 14 conditions per place.
[2021-03-25 05:09:11,687 INFO L142 LiptonReduction]: Number of co-enabled transitions 28
[2021-03-25 05:09:11,772 INFO L154 LiptonReduction]: Checked pairs total: 4
[2021-03-25 05:09:11,772 INFO L156 LiptonReduction]: Total number of compositions: 1
[2021-03-25 05:09:11,772 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90
[2021-03-25 05:09:11,773 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 17 transitions, 112 flow
[2021-03-25 05:09:11,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,774 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 05:09:11,774 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 05:09:11,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-03-25 05:09:11,774 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 05:09:11,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 05:09:11,775 INFO L82 PathProgramCache]: Analyzing trace with hash -673561019, now seen corresponding path program 1 times
[2021-03-25 05:09:11,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 05:09:11,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077944943]
[2021-03-25 05:09:11,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 05:09:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 05:09:11,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:09:11,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 05:09:11,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:09:11,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 05:09:11,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:09:11,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-03-25 05:09:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 05:09:11,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077944943]
[2021-03-25 05:09:11,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 05:09:11,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-25 05:09:11,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345446124]
[2021-03-25 05:09:11,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-03-25 05:09:11,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 05:09:11,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-03-25 05:09:11,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-03-25 05:09:11,850 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 95
[2021-03-25 05:09:11,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 17 transitions, 112 flow. Second operand has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 05:09:11,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 95
[2021-03-25 05:09:11,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 05:09:11,877 INFO L129 PetriNetUnfolder]: 2/17 cut-off events.
[2021-03-25 05:09:11,877 INFO L130 PetriNetUnfolder]: For 65/71 co-relation queries the response was YES.
[2021-03-25 05:09:11,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 17 events. 2/17 cut-off events. For 65/71 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 16 event pairs, 0 based on Foata normal form. 6/23 useless extension candidates. Maximal degree in co-relation 61. Up to 6 conditions per place.
[2021-03-25 05:09:11,877 INFO L132 encePairwiseOnDemand]: 91/95 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions.
[2021-03-25 05:09:11,877 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 16 transitions, 108 flow
[2021-03-25 05:09:11,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-03-25 05:09:11,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-03-25 05:09:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 298 transitions.
[2021-03-25 05:09:11,879 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7842105263157895
[2021-03-25 05:09:11,879 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 298 transitions.
[2021-03-25 05:09:11,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 298 transitions.
[2021-03-25 05:09:11,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 05:09:11,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 298 transitions.
[2021-03-25 05:09:11,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,881 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,882 INFO L185 Difference]: Start difference. First operand has 29 places, 17 transitions, 112 flow. Second operand 4 states and 298 transitions.
[2021-03-25 05:09:11,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 16 transitions, 108 flow
[2021-03-25 05:09:11,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 16 transitions, 89 flow, removed 2 selfloop flow, removed 4 redundant places.
[2021-03-25 05:09:11,885 INFO L241 Difference]: Finished difference. Result has 27 places, 0 transitions, 0 flow
[2021-03-25 05:09:11,885 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=27, PETRI_TRANSITIONS=0}
[2021-03-25 05:09:11,885 INFO L343 CegarLoopForPetriNet]: 23 programPoint places, 4 predicate places.
[2021-03-25 05:09:11,885 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2021-03-25 05:09:11,885 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 0 transitions, 0 flow
[2021-03-25 05:09:11,886 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 0 transitions, 0 flow
[2021-03-25 05:09:11,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow
[2021-03-25 05:09:11,886 INFO L129 PetriNetUnfolder]: 0/0 cut-off events.
[2021-03-25 05:09:11,886 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 05:09:11,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place.
[2021-03-25 05:09:11,886 INFO L142 LiptonReduction]: Number of co-enabled transitions 0
[2021-03-25 05:09:11,886 INFO L154 LiptonReduction]: Checked pairs total: 0
[2021-03-25 05:09:11,887 INFO L156 LiptonReduction]: Total number of compositions: 0
[2021-03-25 05:09:11,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2
[2021-03-25 05:09:11,888 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow
[2021-03-25 05:09:11,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:09:11,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-03-25 05:09:11,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 05:09:11 BasicIcfg
[2021-03-25 05:09:11,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-03-25 05:09:11,896 INFO L168 Benchmark]: Toolchain (without parser) took 3928.51 ms. Allocated memory was 360.7 MB in the beginning and 434.1 MB in the end (delta: 73.4 MB). Free memory was 324.5 MB in the beginning and 410.7 MB in the end (delta: -86.2 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-03-25 05:09:11,898 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 360.7 MB. Free memory was 342.4 MB in the beginning and 342.3 MB in the end (delta: 70.8 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-03-25 05:09:11,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.36 ms. Allocated memory is still 360.7 MB. Free memory was 324.3 MB in the beginning and 323.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB.
[2021-03-25 05:09:11,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.76 ms. Allocated memory is still 360.7 MB. Free memory was 323.2 MB in the beginning and 322.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-03-25 05:09:11,899 INFO L168 Benchmark]: Boogie Preprocessor took 35.00 ms. Allocated memory is still 360.7 MB. Free memory was 322.2 MB in the beginning and 320.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-03-25 05:09:11,899 INFO L168 Benchmark]: RCFGBuilder took 421.02 ms. Allocated memory is still 360.7 MB. Free memory was 320.1 MB in the beginning and 300.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB.
[2021-03-25 05:09:11,899 INFO L168 Benchmark]: TraceAbstraction took 2918.48 ms. Allocated memory was 360.7 MB in the beginning and 434.1 MB in the end (delta: 73.4 MB). Free memory was 299.1 MB in the beginning and 410.7 MB in the end (delta: -111.6 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-03-25 05:09:11,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.51 ms. Allocated memory is still 360.7 MB. Free memory was 342.4 MB in the beginning and 342.3 MB in the end (delta: 70.8 kB). There was no memory consumed. Max. memory is 16.0 GB.
* CACSL2BoogieTranslator took 496.36 ms. Allocated memory is still 360.7 MB. Free memory was 324.3 MB in the beginning and 323.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 52.76 ms. Allocated memory is still 360.7 MB. Free memory was 323.2 MB in the beginning and 322.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
* Boogie Preprocessor took 35.00 ms. Allocated memory is still 360.7 MB. Free memory was 322.2 MB in the beginning and 320.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* RCFGBuilder took 421.02 ms. Allocated memory is still 360.7 MB. Free memory was 320.1 MB in the beginning and 300.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 2918.48 ms. Allocated memory was 360.7 MB in the beginning and 434.1 MB in the end (delta: 73.4 MB). Free memory was 299.1 MB in the beginning and 410.7 MB in the end (delta: -111.6 MB). There was no memory consumed. Max. memory is 16.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 1162.8ms, 53 PlacesBefore, 23 PlacesAfterwards, 47 TransitionsBefore, 16 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 31 TotalNumberOfCompositions, 644 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 377, positive: 344, positive conditional: 0, positive unconditional: 344, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 229, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 229, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 377, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 229, unknown conditional: 0, unknown unconditional: 229] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 561.2ms, 25 PlacesBefore, 21 PlacesAfterwards, 20 TransitionsBefore, 16 TransitionsAfterwards, 90 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 89 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 12.2ms, 24 PlacesBefore, 24 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 56 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 20 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 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] , Cache Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 8.2ms, 27 PlacesBefore, 27 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 40 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 5, negative conditional: 0, negative unconditional: 5, 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: 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] , Cache Queries: [ total: 14, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 90.0ms, 32 PlacesBefore, 29 PlacesAfterwards, 18 TransitionsBefore, 17 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , Cache Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 0.8ms, 27 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2
- PositiveResult [Line: 18]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 2817.4ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 255.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1262.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 23 SDtfs, 4 SDslu, 7 SDs, 0 SdLazy, 36 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 53.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=3, InterpolantAutomatonStates: 19, 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: 14.6ms SsaConstructionTime, 146.5ms SatisfiabilityAnalysisTime, 285.7ms InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
Received shutdown request...