/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe023_tso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239
[2021-03-25 14:58:24,888 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-03-25 14:58:24,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-03-25 14:58:24,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-03-25 14:58:24,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-03-25 14:58:24,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-03-25 14:58:24,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-03-25 14:58:24,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-03-25 14:58:24,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-03-25 14:58:24,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-03-25 14:58:24,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-03-25 14:58:24,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-03-25 14:58:24,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-03-25 14:58:24,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-03-25 14:58:24,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-03-25 14:58:24,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-03-25 14:58:24,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-03-25 14:58:24,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-03-25 14:58:24,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-03-25 14:58:24,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-03-25 14:58:24,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-03-25 14:58:24,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-03-25 14:58:24,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-03-25 14:58:24,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-03-25 14:58:24,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-03-25 14:58:24,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-03-25 14:58:24,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-03-25 14:58:24,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-03-25 14:58:24,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-03-25 14:58:24,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-03-25 14:58:24,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-03-25 14:58:24,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-03-25 14:58:24,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-03-25 14:58:24,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-03-25 14:58:24,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-03-25 14:58:24,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-03-25 14:58:24,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-03-25 14:58:24,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-03-25 14:58:24,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-03-25 14:58:24,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-03-25 14:58:24,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-03-25 14:58:24,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf
[2021-03-25 14:58:24,976 INFO L113 SettingsManager]: Loading preferences was successful
[2021-03-25 14:58:24,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-03-25 14:58:24,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-03-25 14:58:24,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-03-25 14:58:24,979 INFO L138 SettingsManager]: * Use SBE=true
[2021-03-25 14:58:24,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-03-25 14:58:24,979 INFO L138 SettingsManager]: * sizeof long=4
[2021-03-25 14:58:24,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-03-25 14:58:24,979 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-03-25 14:58:24,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-03-25 14:58:24,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-03-25 14:58:24,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-03-25 14:58:24,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-03-25 14:58:24,980 INFO L138 SettingsManager]: * sizeof long double=12
[2021-03-25 14:58:24,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-03-25 14:58:24,981 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-03-25 14:58:24,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-03-25 14:58:24,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-03-25 14:58:24,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-03-25 14:58:24,981 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-03-25 14:58:24,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-03-25 14:58:24,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-03-25 14:58:24,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-03-25 14:58:24,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-03-25 14:58:24,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-03-25 14:58:24,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-03-25 14:58:24,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-03-25 14:58:24,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-03-25 14:58:24,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-03-25 14:58:24,982 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-03-25 14:58:25,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-03-25 14:58:25,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-03-25 14:58:25,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-03-25 14:58:25,229 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-03-25 14:58:25,229 INFO L275 PluginConnector]: CDTParser initialized
[2021-03-25 14:58:25,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_tso.oepc.i
[2021-03-25 14:58:25,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4cd4c0ca/4c18eb52d3604fd3b019ca757ac95535/FLAGc0c3d3036
[2021-03-25 14:58:25,697 INFO L306 CDTParser]: Found 1 translation units.
[2021-03-25 14:58:25,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_tso.oepc.i
[2021-03-25 14:58:25,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4cd4c0ca/4c18eb52d3604fd3b019ca757ac95535/FLAGc0c3d3036
[2021-03-25 14:58:25,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4cd4c0ca/4c18eb52d3604fd3b019ca757ac95535
[2021-03-25 14:58:25,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-03-25 14:58:25,731 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-03-25 14:58:25,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-03-25 14:58:25,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-03-25 14:58:25,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-03-25 14:58:25,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:58:25" (1/1) ...
[2021-03-25 14:58:25,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31157560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:25, skipping insertion in model container
[2021-03-25 14:58:25,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:58:25" (1/1) ...
[2021-03-25 14:58:25,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-03-25 14:58:25,782 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-03-25 14:58:25,925 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_tso.oepc.i[950,963]
[2021-03-25 14:58:26,071 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-03-25 14:58:26,075 INFO L203 MainTranslator]: Completed pre-run
[2021-03-25 14:58:26,082 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/safe023_tso.oepc.i[950,963]
[2021-03-25 14:58:26,102 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-03-25 14:58:26,154 INFO L208 MainTranslator]: Completed translation
[2021-03-25 14:58:26,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26 WrapperNode
[2021-03-25 14:58:26,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-03-25 14:58:26,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-03-25 14:58:26,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-03-25 14:58:26,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-03-25 14:58:26,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26" (1/1) ...
[2021-03-25 14:58:26,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26" (1/1) ...
[2021-03-25 14:58:26,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-03-25 14:58:26,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-03-25 14:58:26,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-03-25 14:58:26,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-03-25 14:58:26,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26" (1/1) ...
[2021-03-25 14:58:26,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26" (1/1) ...
[2021-03-25 14:58:26,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26" (1/1) ...
[2021-03-25 14:58:26,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26" (1/1) ...
[2021-03-25 14:58:26,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26" (1/1) ...
[2021-03-25 14:58:26,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26" (1/1) ...
[2021-03-25 14:58:26,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26" (1/1) ...
[2021-03-25 14:58:26,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-03-25 14:58:26,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-03-25 14:58:26,207 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-03-25 14:58:26,207 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-03-25 14:58:26,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-03-25 14:58:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-03-25 14:58:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-03-25 14:58:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-03-25 14:58:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-03-25 14:58:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2021-03-25 14:58:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2021-03-25 14:58:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2021-03-25 14:58:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2021-03-25 14:58:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2021-03-25 14:58:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2021-03-25 14:58:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-03-25 14:58:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-03-25 14:58:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-03-25 14:58:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-03-25 14:58:26,266 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 14:58:26,513 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-03-25 14:58:26,514 INFO L299 CfgBuilder]: Removed 8 assume(true) statements.
[2021-03-25 14:58:26,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:58:26 BoogieIcfgContainer
[2021-03-25 14:58:26,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-03-25 14:58:26,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-03-25 14:58:26,519 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-03-25 14:58:26,520 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-03-25 14:58:26,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:58:25" (1/3) ...
[2021-03-25 14:58:26,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6171ed86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:58:26, skipping insertion in model container
[2021-03-25 14:58:26,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:58:26" (2/3) ...
[2021-03-25 14:58:26,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6171ed86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:58:26, skipping insertion in model container
[2021-03-25 14:58:26,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:58:26" (3/3) ...
[2021-03-25 14:58:26,522 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_tso.oepc.i
[2021-03-25 14:58:26,529 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-03-25 14:58:26,532 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-03-25 14:58:26,533 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-03-25 14:58:26,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,559 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,559 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,560 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,560 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,560 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,561 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,561 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,562 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,562 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,564 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,564 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,565 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,565 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,567 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,570 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,570 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,574 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,574 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,579 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,579 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 14:58:26,581 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-03-25 14:58:26,594 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-03-25 14:58:26,615 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-03-25 14:58:26,616 INFO L377 AbstractCegarLoop]: Hoare is false
[2021-03-25 14:58:26,616 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-03-25 14:58:26,616 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-03-25 14:58:26,616 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-03-25 14:58:26,616 INFO L381 AbstractCegarLoop]: Difference is false
[2021-03-25 14:58:26,616 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-03-25 14:58:26,616 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-03-25 14:58:26,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 75 transitions, 165 flow
[2021-03-25 14:58:26,662 INFO L129 PetriNetUnfolder]: 2/72 cut-off events.
[2021-03-25 14:58:26,663 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 14:58:26,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 72 events. 2/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place.
[2021-03-25 14:58:26,665 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 75 transitions, 165 flow
[2021-03-25 14:58:26,669 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 60 transitions, 129 flow
[2021-03-25 14:58:26,670 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 14:58:26,677 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 60 transitions, 129 flow
[2021-03-25 14:58:26,680 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 60 transitions, 129 flow
[2021-03-25 14:58:26,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 60 transitions, 129 flow
[2021-03-25 14:58:26,699 INFO L129 PetriNetUnfolder]: 1/60 cut-off events.
[2021-03-25 14:58:26,699 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 14:58:26,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place.
[2021-03-25 14:58:26,701 INFO L142 LiptonReduction]: Number of co-enabled transitions 864
[2021-03-25 14:58:27,996 INFO L154 LiptonReduction]: Checked pairs total: 1010
[2021-03-25 14:58:27,996 INFO L156 LiptonReduction]: Total number of compositions: 38
[2021-03-25 14:58:27,998 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1329
[2021-03-25 14:58:28,007 INFO L129 PetriNetUnfolder]: 0/21 cut-off events.
[2021-03-25 14:58:28,007 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 14:58:28,007 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 14:58:28,007 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 14:58:28,008 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 14:58:28,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 14:58:28,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1013680624, now seen corresponding path program 1 times
[2021-03-25 14:58:28,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 14:58:28,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555257676]
[2021-03-25 14:58:28,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 14:58:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 14:58:28,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:28,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 14:58:28,174 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size
[2021-03-25 14:58:28,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-03-25 14:58:28,184 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 14:58:28,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555257676]
[2021-03-25 14:58:28,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 14:58:28,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-25 14:58:28,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817878322]
[2021-03-25 14:58:28,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-25 14:58:28,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 14:58:28,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-25 14:58:28,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-25 14:58:28,199 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 113
[2021-03-25 14:58:28,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 22 transitions, 53 flow. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 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 14:58:28,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 14:58:28,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 113
[2021-03-25 14:58:28,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 14:58:28,231 INFO L129 PetriNetUnfolder]: 46/141 cut-off events.
[2021-03-25 14:58:28,231 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 14:58:28,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 141 events. 46/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 585 event pairs, 14 based on Foata normal form. 5/133 useless extension candidates. Maximal degree in co-relation 236. Up to 54 conditions per place.
[2021-03-25 14:58:28,233 INFO L132 encePairwiseOnDemand]: 106/113 looper letters, 7 selfloop transitions, 6 changer transitions 0/27 dead transitions.
[2021-03-25 14:58:28,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 27 transitions, 89 flow
[2021-03-25 14:58:28,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-03-25 14:58:28,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-25 14:58:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 275 transitions.
[2021-03-25 14:58:28,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8112094395280236
[2021-03-25 14:58:28,241 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 275 transitions.
[2021-03-25 14:58:28,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 275 transitions.
[2021-03-25 14:58:28,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 14:58:28,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 275 transitions.
[2021-03-25 14:58:28,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 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 14:58:28,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 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 14:58:28,249 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 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 14:58:28,251 INFO L185 Difference]: Start difference. First operand has 32 places, 22 transitions, 53 flow. Second operand 3 states and 275 transitions.
[2021-03-25 14:58:28,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 27 transitions, 89 flow
[2021-03-25 14:58:28,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 27 transitions, 86 flow, removed 0 selfloop flow, removed 3 redundant places.
[2021-03-25 14:58:28,253 INFO L241 Difference]: Finished difference. Result has 33 places, 27 transitions, 96 flow
[2021-03-25 14:58:28,254 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=33, PETRI_TRANSITIONS=27}
[2021-03-25 14:58:28,255 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 1 predicate places.
[2021-03-25 14:58:28,255 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 14:58:28,255 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 27 transitions, 96 flow
[2021-03-25 14:58:28,255 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 27 transitions, 96 flow
[2021-03-25 14:58:28,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 27 transitions, 96 flow
[2021-03-25 14:58:28,265 INFO L129 PetriNetUnfolder]: 46/153 cut-off events.
[2021-03-25 14:58:28,265 INFO L130 PetriNetUnfolder]: For 24/28 co-relation queries the response was YES.
[2021-03-25 14:58:28,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 153 events. 46/153 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 706 event pairs, 14 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 296. Up to 53 conditions per place.
[2021-03-25 14:58:28,267 INFO L142 LiptonReduction]: Number of co-enabled transitions 200
[2021-03-25 14:58:28,675 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76
[2021-03-25 14:58:28,854 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76
[2021-03-25 14:58:28,936 INFO L154 LiptonReduction]: Checked pairs total: 273
[2021-03-25 14:58:28,936 INFO L156 LiptonReduction]: Total number of compositions: 5
[2021-03-25 14:58:28,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 681
[2021-03-25 14:58:28,937 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 22 transitions, 86 flow
[2021-03-25 14:58:28,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 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 14:58:28,937 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 14:58:28,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 14:58:28,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-03-25 14:58:28,937 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 14:58:28,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 14:58:28,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1359329172, now seen corresponding path program 1 times
[2021-03-25 14:58:28,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 14:58:28,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729623118]
[2021-03-25 14:58:28,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 14:58:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 14:58:28,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:28,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 14:58:28,992 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size
[2021-03-25 14:58:28,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-03-25 14:58:28,999 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 14:58:28,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729623118]
[2021-03-25 14:58:28,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 14:58:28,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-25 14:58:28,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937360014]
[2021-03-25 14:58:29,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-25 14:58:29,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 14:58:29,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-25 14:58:29,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-03-25 14:58:29,004 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 118
[2021-03-25 14:58:29,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 86 flow. Second operand has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 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 14:58:29,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 14:58:29,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 118
[2021-03-25 14:58:29,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 14:58:29,022 INFO L129 PetriNetUnfolder]: 23/86 cut-off events.
[2021-03-25 14:58:29,023 INFO L130 PetriNetUnfolder]: For 32/104 co-relation queries the response was YES.
[2021-03-25 14:58:29,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 86 events. 23/86 cut-off events. For 32/104 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 317 event pairs, 4 based on Foata normal form. 8/90 useless extension candidates. Maximal degree in co-relation 228. Up to 30 conditions per place.
[2021-03-25 14:58:29,023 INFO L132 encePairwiseOnDemand]: 112/118 looper letters, 10 selfloop transitions, 6 changer transitions 2/28 dead transitions.
[2021-03-25 14:58:29,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 28 transitions, 152 flow
[2021-03-25 14:58:29,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-03-25 14:58:29,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-03-25 14:58:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 374 transitions.
[2021-03-25 14:58:29,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7923728813559322
[2021-03-25 14:58:29,025 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 374 transitions.
[2021-03-25 14:58:29,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 374 transitions.
[2021-03-25 14:58:29,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 14:58:29,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 374 transitions.
[2021-03-25 14:58:29,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 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 14:58:29,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 0 states have call successors, (0), 0 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 14:58:29,028 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 0 states have call successors, (0), 0 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 14:58:29,028 INFO L185 Difference]: Start difference. First operand has 28 places, 22 transitions, 86 flow. Second operand 4 states and 374 transitions.
[2021-03-25 14:58:29,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 28 transitions, 152 flow
[2021-03-25 14:58:29,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 28 transitions, 134 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-03-25 14:58:29,029 INFO L241 Difference]: Finished difference. Result has 32 places, 25 transitions, 118 flow
[2021-03-25 14:58:29,029 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=118, PETRI_PLACES=32, PETRI_TRANSITIONS=25}
[2021-03-25 14:58:29,030 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 0 predicate places.
[2021-03-25 14:58:29,030 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 14:58:29,030 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 25 transitions, 118 flow
[2021-03-25 14:58:29,030 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 25 transitions, 118 flow
[2021-03-25 14:58:29,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 25 transitions, 118 flow
[2021-03-25 14:58:29,035 INFO L129 PetriNetUnfolder]: 23/86 cut-off events.
[2021-03-25 14:58:29,035 INFO L130 PetriNetUnfolder]: For 44/52 co-relation queries the response was YES.
[2021-03-25 14:58:29,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 86 events. 23/86 cut-off events. For 44/52 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 336 event pairs, 3 based on Foata normal form. 1/85 useless extension candidates. Maximal degree in co-relation 199. Up to 30 conditions per place.
[2021-03-25 14:58:29,035 INFO L142 LiptonReduction]: Number of co-enabled transitions 164
[2021-03-25 14:58:29,046 INFO L154 LiptonReduction]: Checked pairs total: 121
[2021-03-25 14:58:29,047 INFO L156 LiptonReduction]: Total number of compositions: 0
[2021-03-25 14:58:29,047 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17
[2021-03-25 14:58:29,048 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 25 transitions, 118 flow
[2021-03-25 14:58:29,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 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 14:58:29,048 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 14:58:29,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 14:58:29,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-03-25 14:58:29,049 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 14:58:29,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 14:58:29,049 INFO L82 PathProgramCache]: Analyzing trace with hash -292561667, now seen corresponding path program 1 times
[2021-03-25 14:58:29,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 14:58:29,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976455892]
[2021-03-25 14:58:29,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 14:58:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 14:58:29,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:29,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 14:58:29,097 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 14:58:29,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976455892]
[2021-03-25 14:58:29,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 14:58:29,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-03-25 14:58:29,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068890117]
[2021-03-25 14:58:29,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-25 14:58:29,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 14:58:29,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-25 14:58:29,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-25 14:58:29,099 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 118
[2021-03-25 14:58:29,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 25 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 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 14:58:29,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 14:58:29,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 118
[2021-03-25 14:58:29,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 14:58:29,111 INFO L129 PetriNetUnfolder]: 22/82 cut-off events.
[2021-03-25 14:58:29,111 INFO L130 PetriNetUnfolder]: For 90/116 co-relation queries the response was YES.
[2021-03-25 14:58:29,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 82 events. 22/82 cut-off events. For 90/116 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 296 event pairs, 2 based on Foata normal form. 2/80 useless extension candidates. Maximal degree in co-relation 203. Up to 30 conditions per place.
[2021-03-25 14:58:29,111 INFO L132 encePairwiseOnDemand]: 115/118 looper letters, 1 selfloop transitions, 4 changer transitions 0/25 dead transitions.
[2021-03-25 14:58:29,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 25 transitions, 128 flow
[2021-03-25 14:58:29,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-03-25 14:58:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-25 14:58:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions.
[2021-03-25 14:58:29,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8757062146892656
[2021-03-25 14:58:29,116 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions.
[2021-03-25 14:58:29,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions.
[2021-03-25 14:58:29,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 14:58:29,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions.
[2021-03-25 14:58:29,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 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 14:58:29,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 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 14:58:29,118 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 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 14:58:29,118 INFO L185 Difference]: Start difference. First operand has 32 places, 25 transitions, 118 flow. Second operand 3 states and 310 transitions.
[2021-03-25 14:58:29,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 25 transitions, 128 flow
[2021-03-25 14:58:29,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 25 transitions, 125 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-03-25 14:58:29,119 INFO L241 Difference]: Finished difference. Result has 34 places, 25 transitions, 129 flow
[2021-03-25 14:58:29,120 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=129, PETRI_PLACES=34, PETRI_TRANSITIONS=25}
[2021-03-25 14:58:29,120 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 2 predicate places.
[2021-03-25 14:58:29,120 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 14:58:29,120 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 129 flow
[2021-03-25 14:58:29,120 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 129 flow
[2021-03-25 14:58:29,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 25 transitions, 129 flow
[2021-03-25 14:58:29,124 INFO L129 PetriNetUnfolder]: 22/89 cut-off events.
[2021-03-25 14:58:29,124 INFO L130 PetriNetUnfolder]: For 53/62 co-relation queries the response was YES.
[2021-03-25 14:58:29,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 89 events. 22/89 cut-off events. For 53/62 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 383 event pairs, 4 based on Foata normal form. 1/88 useless extension candidates. Maximal degree in co-relation 218. Up to 30 conditions per place.
[2021-03-25 14:58:29,125 INFO L142 LiptonReduction]: Number of co-enabled transitions 164
[2021-03-25 14:58:29,127 INFO L154 LiptonReduction]: Checked pairs total: 74
[2021-03-25 14:58:29,127 INFO L156 LiptonReduction]: Total number of compositions: 0
[2021-03-25 14:58:29,127 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7
[2021-03-25 14:58:29,131 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 129 flow
[2021-03-25 14:58:29,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 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 14:58:29,132 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 14:58:29,132 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 14:58:29,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-03-25 14:58:29,132 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 14:58:29,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 14:58:29,132 INFO L82 PathProgramCache]: Analyzing trace with hash -262165144, now seen corresponding path program 1 times
[2021-03-25 14:58:29,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 14:58:29,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922797485]
[2021-03-25 14:58:29,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 14:58:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 14:58:29,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:29,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 14:58:29,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:29,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 14:58:29,152 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 14:58:29,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922797485]
[2021-03-25 14:58:29,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 14:58:29,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-25 14:58:29,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060625858]
[2021-03-25 14:58:29,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-25 14:58:29,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 14:58:29,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-25 14:58:29,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-25 14:58:29,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 118
[2021-03-25 14:58:29,154 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 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 14:58:29,154 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 14:58:29,154 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 118
[2021-03-25 14:58:29,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 14:58:29,169 INFO L129 PetriNetUnfolder]: 20/87 cut-off events.
[2021-03-25 14:58:29,169 INFO L130 PetriNetUnfolder]: For 99/164 co-relation queries the response was YES.
[2021-03-25 14:58:29,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 87 events. 20/87 cut-off events. For 99/164 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 360 event pairs, 0 based on Foata normal form. 5/89 useless extension candidates. Maximal degree in co-relation 269. Up to 34 conditions per place.
[2021-03-25 14:58:29,169 INFO L132 encePairwiseOnDemand]: 115/118 looper letters, 10 selfloop transitions, 5 changer transitions 4/32 dead transitions.
[2021-03-25 14:58:29,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 32 transitions, 209 flow
[2021-03-25 14:58:29,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-03-25 14:58:29,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-25 14:58:29,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions.
[2021-03-25 14:58:29,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8757062146892656
[2021-03-25 14:58:29,171 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions.
[2021-03-25 14:58:29,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions.
[2021-03-25 14:58:29,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 14:58:29,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions.
[2021-03-25 14:58:29,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 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 14:58:29,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 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 14:58:29,172 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 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 14:58:29,172 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 129 flow. Second operand 3 states and 310 transitions.
[2021-03-25 14:58:29,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 32 transitions, 209 flow
[2021-03-25 14:58:29,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 32 transitions, 201 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-03-25 14:58:29,174 INFO L241 Difference]: Finished difference. Result has 35 places, 25 transitions, 138 flow
[2021-03-25 14:58:29,174 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=35, PETRI_TRANSITIONS=25}
[2021-03-25 14:58:29,174 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 3 predicate places.
[2021-03-25 14:58:29,174 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 14:58:29,174 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 25 transitions, 138 flow
[2021-03-25 14:58:29,174 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 25 transitions, 138 flow
[2021-03-25 14:58:29,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 25 transitions, 138 flow
[2021-03-25 14:58:29,178 INFO L129 PetriNetUnfolder]: 13/64 cut-off events.
[2021-03-25 14:58:29,178 INFO L130 PetriNetUnfolder]: For 52/60 co-relation queries the response was YES.
[2021-03-25 14:58:29,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 64 events. 13/64 cut-off events. For 52/60 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 236 event pairs, 1 based on Foata normal form. 1/64 useless extension candidates. Maximal degree in co-relation 173. Up to 21 conditions per place.
[2021-03-25 14:58:29,178 INFO L142 LiptonReduction]: Number of co-enabled transitions 146
[2021-03-25 14:58:29,180 INFO L154 LiptonReduction]: Checked pairs total: 106
[2021-03-25 14:58:29,180 INFO L156 LiptonReduction]: Total number of compositions: 0
[2021-03-25 14:58:29,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6
[2021-03-25 14:58:29,180 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 25 transitions, 138 flow
[2021-03-25 14:58:29,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 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 14:58:29,181 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 14:58:29,181 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 14:58:29,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-03-25 14:58:29,181 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 14:58:29,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 14:58:29,181 INFO L82 PathProgramCache]: Analyzing trace with hash -479477582, now seen corresponding path program 1 times
[2021-03-25 14:58:29,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 14:58:29,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382577640]
[2021-03-25 14:58:29,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 14:58:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 14:58:29,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:29,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 14:58:29,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:29,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 14:58:29,203 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 14:58:29,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382577640]
[2021-03-25 14:58:29,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 14:58:29,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-25 14:58:29,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284116178]
[2021-03-25 14:58:29,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-25 14:58:29,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 14:58:29,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-25 14:58:29,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-03-25 14:58:29,205 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 118
[2021-03-25 14:58:29,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 25 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 98.75) internal successors, (395), 4 states have internal predecessors, (395), 0 states have call successors, (0), 0 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 14:58:29,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 14:58:29,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 118
[2021-03-25 14:58:29,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 14:58:29,222 INFO L129 PetriNetUnfolder]: 16/74 cut-off events.
[2021-03-25 14:58:29,222 INFO L130 PetriNetUnfolder]: For 142/174 co-relation queries the response was YES.
[2021-03-25 14:58:29,222 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 74 events. 16/74 cut-off events. For 142/174 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 291 event pairs, 1 based on Foata normal form. 8/81 useless extension candidates. Maximal degree in co-relation 215. Up to 26 conditions per place.
[2021-03-25 14:58:29,223 INFO L132 encePairwiseOnDemand]: 114/118 looper letters, 1 selfloop transitions, 4 changer transitions 7/27 dead transitions.
[2021-03-25 14:58:29,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 27 transitions, 168 flow
[2021-03-25 14:58:29,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-03-25 14:58:29,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-03-25 14:58:29,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 399 transitions.
[2021-03-25 14:58:29,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8453389830508474
[2021-03-25 14:58:29,227 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 399 transitions.
[2021-03-25 14:58:29,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 399 transitions.
[2021-03-25 14:58:29,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 14:58:29,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 399 transitions.
[2021-03-25 14:58:29,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 99.75) internal successors, (399), 4 states have internal predecessors, (399), 0 states have call successors, (0), 0 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 14:58:29,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 0 states have call successors, (0), 0 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 14:58:29,229 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 0 states have call successors, (0), 0 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 14:58:29,229 INFO L185 Difference]: Start difference. First operand has 35 places, 25 transitions, 138 flow. Second operand 4 states and 399 transitions.
[2021-03-25 14:58:29,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 27 transitions, 168 flow
[2021-03-25 14:58:29,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 27 transitions, 163 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-03-25 14:58:29,231 INFO L241 Difference]: Finished difference. Result has 39 places, 20 transitions, 121 flow
[2021-03-25 14:58:29,231 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=121, PETRI_PLACES=39, PETRI_TRANSITIONS=20}
[2021-03-25 14:58:29,231 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 7 predicate places.
[2021-03-25 14:58:29,231 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 14:58:29,231 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 20 transitions, 121 flow
[2021-03-25 14:58:29,231 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 20 transitions, 121 flow
[2021-03-25 14:58:29,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 20 transitions, 121 flow
[2021-03-25 14:58:29,233 INFO L129 PetriNetUnfolder]: 1/28 cut-off events.
[2021-03-25 14:58:29,233 INFO L130 PetriNetUnfolder]: For 27/28 co-relation queries the response was YES.
[2021-03-25 14:58:29,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 28 events. 1/28 cut-off events. For 27/28 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 47 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 78. Up to 7 conditions per place.
[2021-03-25 14:58:29,234 INFO L142 LiptonReduction]: Number of co-enabled transitions 98
[2021-03-25 14:58:29,356 INFO L154 LiptonReduction]: Checked pairs total: 132
[2021-03-25 14:58:29,356 INFO L156 LiptonReduction]: Total number of compositions: 5
[2021-03-25 14:58:29,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125
[2021-03-25 14:58:29,357 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 18 transitions, 127 flow
[2021-03-25 14:58:29,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 98.75) internal successors, (395), 4 states have internal predecessors, (395), 0 states have call successors, (0), 0 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 14:58:29,357 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 14:58:29,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 14:58:29,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-03-25 14:58:29,357 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 14:58:29,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 14:58:29,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1980600870, now seen corresponding path program 1 times
[2021-03-25 14:58:29,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 14:58:29,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441469933]
[2021-03-25 14:58:29,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 14:58:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 14:58:29,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:29,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 14:58:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:29,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 14:58:29,395 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 14:58:29,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441469933]
[2021-03-25 14:58:29,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 14:58:29,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-25 14:58:29,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166540379]
[2021-03-25 14:58:29,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-25 14:58:29,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 14:58:29,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-25 14:58:29,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-25 14:58:29,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 123
[2021-03-25 14:58:29,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 18 transitions, 127 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 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 14:58:29,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 14:58:29,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 123
[2021-03-25 14:58:29,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 14:58:29,414 INFO L129 PetriNetUnfolder]: 26/64 cut-off events.
[2021-03-25 14:58:29,414 INFO L130 PetriNetUnfolder]: For 208/238 co-relation queries the response was YES.
[2021-03-25 14:58:29,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 64 events. 26/64 cut-off events. For 208/238 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 176 event pairs, 8 based on Foata normal form. 5/67 useless extension candidates. Maximal degree in co-relation 231. Up to 50 conditions per place.
[2021-03-25 14:58:29,417 INFO L132 encePairwiseOnDemand]: 117/123 looper letters, 4 selfloop transitions, 3 changer transitions 5/22 dead transitions.
[2021-03-25 14:58:29,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 22 transitions, 171 flow
[2021-03-25 14:58:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-03-25 14:58:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-25 14:58:29,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions.
[2021-03-25 14:58:29,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8265582655826558
[2021-03-25 14:58:29,418 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 305 transitions.
[2021-03-25 14:58:29,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 305 transitions.
[2021-03-25 14:58:29,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 14:58:29,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 305 transitions.
[2021-03-25 14:58:29,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 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 14:58:29,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 123.0) internal successors, (492), 4 states have internal predecessors, (492), 0 states have call successors, (0), 0 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 14:58:29,421 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 123.0) internal successors, (492), 4 states have internal predecessors, (492), 0 states have call successors, (0), 0 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 14:58:29,421 INFO L185 Difference]: Start difference. First operand has 37 places, 18 transitions, 127 flow. Second operand 3 states and 305 transitions.
[2021-03-25 14:58:29,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 22 transitions, 171 flow
[2021-03-25 14:58:29,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 22 transitions, 121 flow, removed 6 selfloop flow, removed 8 redundant places.
[2021-03-25 14:58:29,424 INFO L241 Difference]: Finished difference. Result has 32 places, 17 transitions, 83 flow
[2021-03-25 14:58:29,424 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=83, PETRI_PLACES=32, PETRI_TRANSITIONS=17}
[2021-03-25 14:58:29,425 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 0 predicate places.
[2021-03-25 14:58:29,425 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 14:58:29,425 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 17 transitions, 83 flow
[2021-03-25 14:58:29,425 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 17 transitions, 83 flow
[2021-03-25 14:58:29,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 17 transitions, 83 flow
[2021-03-25 14:58:29,427 INFO L129 PetriNetUnfolder]: 12/40 cut-off events.
[2021-03-25 14:58:29,428 INFO L130 PetriNetUnfolder]: For 41/44 co-relation queries the response was YES.
[2021-03-25 14:58:29,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 40 events. 12/40 cut-off events. For 41/44 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 88 event pairs, 7 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 95. Up to 28 conditions per place.
[2021-03-25 14:58:29,428 INFO L142 LiptonReduction]: Number of co-enabled transitions 50
[2021-03-25 14:58:29,467 INFO L154 LiptonReduction]: Checked pairs total: 4
[2021-03-25 14:58:29,468 INFO L156 LiptonReduction]: Total number of compositions: 1
[2021-03-25 14:58:29,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43
[2021-03-25 14:58:29,468 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 17 transitions, 88 flow
[2021-03-25 14:58:29,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 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 14:58:29,468 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 14:58:29,469 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 14:58:29,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-03-25 14:58:29,469 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 14:58:29,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 14:58:29,469 INFO L82 PathProgramCache]: Analyzing trace with hash -336226306, now seen corresponding path program 1 times
[2021-03-25 14:58:29,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 14:58:29,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049006315]
[2021-03-25 14:58:29,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 14:58:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 14:58:29,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:29,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 14:58:29,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:29,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 14:58:29,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 14:58:29,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 14:58:29,502 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 14:58:29,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049006315]
[2021-03-25 14:58:29,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 14:58:29,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-25 14:58:29,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406664937]
[2021-03-25 14:58:29,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-25 14:58:29,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 14:58:29,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-25 14:58:29,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-03-25 14:58:29,504 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 124
[2021-03-25 14:58:29,504 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 17 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 96.25) internal successors, (385), 4 states have internal predecessors, (385), 0 states have call successors, (0), 0 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 14:58:29,504 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 14:58:29,504 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 124
[2021-03-25 14:58:29,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 14:58:29,515 INFO L129 PetriNetUnfolder]: 10/34 cut-off events.
[2021-03-25 14:58:29,515 INFO L130 PetriNetUnfolder]: For 39/41 co-relation queries the response was YES.
[2021-03-25 14:58:29,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 34 events. 10/34 cut-off events. For 39/41 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 76 event pairs, 6 based on Foata normal form. 2/34 useless extension candidates. Maximal degree in co-relation 94. Up to 23 conditions per place.
[2021-03-25 14:58:29,515 INFO L132 encePairwiseOnDemand]: 120/124 looper letters, 0 selfloop transitions, 0 changer transitions 16/16 dead transitions.
[2021-03-25 14:58:29,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 16 transitions, 94 flow
[2021-03-25 14:58:29,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-03-25 14:58:29,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-03-25 14:58:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 387 transitions.
[2021-03-25 14:58:29,516 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.780241935483871
[2021-03-25 14:58:29,516 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 387 transitions.
[2021-03-25 14:58:29,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 387 transitions.
[2021-03-25 14:58:29,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 14:58:29,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 387 transitions.
[2021-03-25 14:58:29,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 96.75) internal successors, (387), 4 states have internal predecessors, (387), 0 states have call successors, (0), 0 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 14:58:29,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 0 states have call successors, (0), 0 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 14:58:29,518 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 0 states have call successors, (0), 0 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 14:58:29,518 INFO L185 Difference]: Start difference. First operand has 32 places, 17 transitions, 88 flow. Second operand 4 states and 387 transitions.
[2021-03-25 14:58:29,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 16 transitions, 94 flow
[2021-03-25 14:58:29,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 16 transitions, 79 flow, removed 2 selfloop flow, removed 4 redundant places.
[2021-03-25 14:58:29,519 INFO L241 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow
[2021-03-25 14:58:29,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=27, 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=30, PETRI_TRANSITIONS=0}
[2021-03-25 14:58:29,519 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, -2 predicate places.
[2021-03-25 14:58:29,519 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-03-25 14:58:29,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 0 transitions, 0 flow
[2021-03-25 14:58:29,519 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 0 transitions, 0 flow
[2021-03-25 14:58:29,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow
[2021-03-25 14:58:29,520 INFO L129 PetriNetUnfolder]: 0/0 cut-off events.
[2021-03-25 14:58:29,520 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 14:58:29,520 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 14:58:29,520 INFO L142 LiptonReduction]: Number of co-enabled transitions 0
[2021-03-25 14:58:29,520 INFO L154 LiptonReduction]: Checked pairs total: 0
[2021-03-25 14:58:29,520 INFO L156 LiptonReduction]: Total number of compositions: 0
[2021-03-25 14:58:29,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1
[2021-03-25 14:58:29,520 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow
[2021-03-25 14:58:29,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 96.25) internal successors, (385), 4 states have internal predecessors, (385), 0 states have call successors, (0), 0 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 14:58:29,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-03-25 14:58:29,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:58:29 BasicIcfg
[2021-03-25 14:58:29,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-03-25 14:58:29,524 INFO L168 Benchmark]: Toolchain (without parser) took 3792.68 ms. Allocated memory was 323.0 MB in the beginning and 425.7 MB in the end (delta: 102.8 MB). Free memory was 286.4 MB in the beginning and 354.8 MB in the end (delta: -68.4 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.0 GB.
[2021-03-25 14:58:29,524 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 323.0 MB. Free memory was 304.5 MB in the beginning and 304.3 MB in the end (delta: 134.1 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-03-25 14:58:29,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.04 ms. Allocated memory is still 323.0 MB. Free memory was 286.2 MB in the beginning and 285.9 MB in the end (delta: 341.8 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB.
[2021-03-25 14:58:29,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.36 ms. Allocated memory is still 323.0 MB. Free memory was 285.9 MB in the beginning and 283.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-03-25 14:58:29,525 INFO L168 Benchmark]: Boogie Preprocessor took 12.97 ms. Allocated memory is still 323.0 MB. Free memory was 283.8 MB in the beginning and 281.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-03-25 14:58:29,525 INFO L168 Benchmark]: RCFGBuilder took 309.85 ms. Allocated memory is still 323.0 MB. Free memory was 281.7 MB in the beginning and 257.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB.
[2021-03-25 14:58:29,525 INFO L168 Benchmark]: TraceAbstraction took 3004.74 ms. Allocated memory was 323.0 MB in the beginning and 425.7 MB in the end (delta: 102.8 MB). Free memory was 257.6 MB in the beginning and 354.8 MB in the end (delta: -97.2 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB.
[2021-03-25 14:58:29,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.09 ms. Allocated memory is still 323.0 MB. Free memory was 304.5 MB in the beginning and 304.3 MB in the end (delta: 134.1 kB). There was no memory consumed. Max. memory is 16.0 GB.
* CACSL2BoogieTranslator took 422.04 ms. Allocated memory is still 323.0 MB. Free memory was 286.2 MB in the beginning and 285.9 MB in the end (delta: 341.8 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 36.36 ms. Allocated memory is still 323.0 MB. Free memory was 285.9 MB in the beginning and 283.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* Boogie Preprocessor took 12.97 ms. Allocated memory is still 323.0 MB. Free memory was 283.8 MB in the beginning and 281.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* RCFGBuilder took 309.85 ms. Allocated memory is still 323.0 MB. Free memory was 281.7 MB in the beginning and 257.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 3004.74 ms. Allocated memory was 323.0 MB in the beginning and 425.7 MB in the end (delta: 102.8 MB). Free memory was 257.6 MB in the beginning and 354.8 MB in the end (delta: -97.2 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 1316.5ms, 69 PlacesBefore, 32 PlacesAfterwards, 60 TransitionsBefore, 22 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 38 TotalNumberOfCompositions, 1010 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 707, positive: 671, positive conditional: 0, positive unconditional: 671, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 526, positive: 506, positive conditional: 0, positive unconditional: 506, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 526, positive: 506, positive conditional: 0, positive unconditional: 506, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 526, positive: 499, positive conditional: 0, positive unconditional: 499, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 707, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 526, unknown conditional: 0, unknown unconditional: 526] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 680.4ms, 33 PlacesBefore, 28 PlacesAfterwards, 27 TransitionsBefore, 22 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 273 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 125, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 125, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 39, unknown conditional: 0, unknown unconditional: 39] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 16.3ms, 32 PlacesBefore, 32 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 121 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 69, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 69, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 6.8ms, 34 PlacesBefore, 34 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 74 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 46, positive: 41, positive conditional: 0, positive unconditional: 41, 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 46, positive: 41, positive conditional: 0, positive unconditional: 41, 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): 71, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 5.3ms, 35 PlacesBefore, 35 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 106 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 124.7ms, 39 PlacesBefore, 37 PlacesAfterwards, 20 TransitionsBefore, 18 TransitionsAfterwards, 98 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 132 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 105, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 105, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 42.7ms, 32 PlacesBefore, 32 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 50 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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): 23, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 0.5ms, 30 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: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 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): 23, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, 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 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 2909.0ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 203.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1387.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 37 SDtfs, 12 SDslu, 5 SDs, 0 SdLazy, 42 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=4, InterpolantAutomatonStates: 24, 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: 24.0ms SsaConstructionTime, 89.8ms SatisfiabilityAnalysisTime, 204.8ms InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...