/usr/bin/java -Xmx8000000000 -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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_power.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad
[2021-06-13 07:34:45,291 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-06-13 07:34:45,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-06-13 07:34:45,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-06-13 07:34:45,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-06-13 07:34:45,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-06-13 07:34:45,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-06-13 07:34:45,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-06-13 07:34:45,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-06-13 07:34:45,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-06-13 07:34:45,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-06-13 07:34:45,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-06-13 07:34:45,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-06-13 07:34:45,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-06-13 07:34:45,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-06-13 07:34:45,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-06-13 07:34:45,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-06-13 07:34:45,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-06-13 07:34:45,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-06-13 07:34:45,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-06-13 07:34:45,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-06-13 07:34:45,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-06-13 07:34:45,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-06-13 07:34:45,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-06-13 07:34:45,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-06-13 07:34:45,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-06-13 07:34:45,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-06-13 07:34:45,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-06-13 07:34:45,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-06-13 07:34:45,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-06-13 07:34:45,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-06-13 07:34:45,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-06-13 07:34:45,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-06-13 07:34:45,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-06-13 07:34:45,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-06-13 07:34:45,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-06-13 07:34:45,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-06-13 07:34:45,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-06-13 07:34:45,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-06-13 07:34:45,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-06-13 07:34:45,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-06-13 07:34:45,368 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-NoLbe.epf
[2021-06-13 07:34:45,403 INFO L113 SettingsManager]: Loading preferences was successful
[2021-06-13 07:34:45,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-13 07:34:45,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-13 07:34:45,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-06-13 07:34:45,405 INFO L138 SettingsManager]: * Use SBE=true
[2021-06-13 07:34:45,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-13 07:34:45,406 INFO L138 SettingsManager]: * sizeof long=4
[2021-06-13 07:34:45,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-06-13 07:34:45,406 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-06-13 07:34:45,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-06-13 07:34:45,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-06-13 07:34:45,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-13 07:34:45,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-06-13 07:34:45,407 INFO L138 SettingsManager]: * sizeof long double=12
[2021-06-13 07:34:45,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-06-13 07:34:45,408 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-06-13 07:34:45,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-06-13 07:34:45,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-13 07:34:45,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-06-13 07:34:45,408 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-06-13 07:34:45,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-06-13 07:34:45,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-13 07:34:45,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-13 07:34:45,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-06-13 07:34:45,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-13 07:34:45,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-06-13 07:34:45,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-13 07:34:45,409 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-06-13 07:34:45,409 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-06-13 07:34:45,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-13 07:34:45,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-13 07:34:45,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-13 07:34:45,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-13 07:34:45,699 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-06-13 07:34:45,699 INFO L275 PluginConnector]: CDTParser initialized
[2021-06-13 07:34:45,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_power.opt.i
[2021-06-13 07:34:45,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21579c03b/56454e18422c489ea6a5cf9e46dba111/FLAG4e87599cc
[2021-06-13 07:34:46,117 INFO L306 CDTParser]: Found 1 translation units.
[2021-06-13 07:34:46,117 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_power.opt.i
[2021-06-13 07:34:46,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21579c03b/56454e18422c489ea6a5cf9e46dba111/FLAG4e87599cc
[2021-06-13 07:34:46,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21579c03b/56454e18422c489ea6a5cf9e46dba111
[2021-06-13 07:34:46,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-13 07:34:46,467 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-06-13 07:34:46,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-06-13 07:34:46,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-06-13 07:34:46,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-06-13 07:34:46,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:34:46" (1/1) ...
[2021-06-13 07:34:46,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47360097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46, skipping insertion in model container
[2021-06-13 07:34:46,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 07:34:46" (1/1) ...
[2021-06-13 07:34:46,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-06-13 07:34:46,523 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-06-13 07:34:46,634 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_power.opt.i[951,964]
[2021-06-13 07:34:46,802 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-13 07:34:46,807 INFO L203 MainTranslator]: Completed pre-run
[2021-06-13 07:34:46,814 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_power.opt.i[951,964]
[2021-06-13 07:34:46,838 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-13 07:34:46,884 INFO L208 MainTranslator]: Completed translation
[2021-06-13 07:34:46,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46 WrapperNode
[2021-06-13 07:34:46,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-06-13 07:34:46,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-13 07:34:46,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-13 07:34:46,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-13 07:34:46,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46" (1/1) ...
[2021-06-13 07:34:46,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46" (1/1) ...
[2021-06-13 07:34:46,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-13 07:34:46,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-13 07:34:46,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-13 07:34:46,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-06-13 07:34:46,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46" (1/1) ...
[2021-06-13 07:34:46,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46" (1/1) ...
[2021-06-13 07:34:46,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46" (1/1) ...
[2021-06-13 07:34:46,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46" (1/1) ...
[2021-06-13 07:34:46,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46" (1/1) ...
[2021-06-13 07:34:46,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46" (1/1) ...
[2021-06-13 07:34:46,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46" (1/1) ...
[2021-06-13 07:34:46,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-13 07:34:46,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-13 07:34:46,966 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-06-13 07:34:46,966 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-06-13 07:34:46,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-13 07:34:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-06-13 07:34:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-06-13 07:34:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-06-13 07:34:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-06-13 07:34:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2021-06-13 07:34:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2021-06-13 07:34:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2021-06-13 07:34:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2021-06-13 07:34:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-06-13 07:34:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-06-13 07:34:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-13 07:34:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-13 07:34:47,020 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-13 07:34:48,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-13 07:34:48,122 INFO L299 CfgBuilder]: Removed 10 assume(true) statements.
[2021-06-13 07:34:48,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:34:48 BoogieIcfgContainer
[2021-06-13 07:34:48,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-13 07:34:48,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-13 07:34:48,125 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-06-13 07:34:48,127 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-06-13 07:34:48,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 07:34:46" (1/3) ...
[2021-06-13 07:34:48,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c31e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:34:48, skipping insertion in model container
[2021-06-13 07:34:48,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 07:34:46" (2/3) ...
[2021-06-13 07:34:48,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c31e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 07:34:48, skipping insertion in model container
[2021-06-13 07:34:48,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 07:34:48" (3/3) ...
[2021-06-13 07:34:48,128 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_power.opt.i
[2021-06-13 07:34:48,133 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-13 07:34:48,133 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2021-06-13 07:34:48,133 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-13 07:34:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,151 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,151 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,170 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,171 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,171 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,171 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,171 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,172 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,172 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,172 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,172 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,172 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,172 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,172 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,173 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,173 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,174 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,175 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,176 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,176 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,177 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,177 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,180 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,180 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-13 07:34:48,180 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-06-13 07:34:48,195 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-06-13 07:34:48,207 INFO L378 AbstractCegarLoop]: Interprodecural is true
[2021-06-13 07:34:48,208 INFO L379 AbstractCegarLoop]: Hoare is false
[2021-06-13 07:34:48,208 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-13 07:34:48,208 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-13 07:34:48,208 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-13 07:34:48,208 INFO L383 AbstractCegarLoop]: Difference is false
[2021-06-13 07:34:48,208 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-13 07:34:48,208 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P1========
[2021-06-13 07:34:48,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow
[2021-06-13 07:34:48,236 INFO L129 PetriNetUnfolder]: 2/83 cut-off events.
[2021-06-13 07:34:48,237 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:34:48,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place.
[2021-06-13 07:34:48,239 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow
[2021-06-13 07:34:48,241 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow
[2021-06-13 07:34:48,241 INFO L129 PetriNetUnfolder]: 0/0 cut-off events.
[2021-06-13 07:34:48,241 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:34:48,242 INFO L301 ceAbstractionStarter]: Result for error location P1 was SAFE (1/3)
[2021-06-13 07:34:48,243 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-06-13 07:34:48,248 INFO L378 AbstractCegarLoop]: Interprodecural is true
[2021-06-13 07:34:48,248 INFO L379 AbstractCegarLoop]: Hoare is false
[2021-06-13 07:34:48,248 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-13 07:34:48,248 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-13 07:34:48,251 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-13 07:34:48,251 INFO L383 AbstractCegarLoop]: Difference is false
[2021-06-13 07:34:48,251 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-13 07:34:48,251 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P1Thread1of1ForFork0========
[2021-06-13 07:34:48,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow
[2021-06-13 07:34:48,276 INFO L129 PetriNetUnfolder]: 2/83 cut-off events.
[2021-06-13 07:34:48,276 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:34:48,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place.
[2021-06-13 07:34:48,277 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow
[2021-06-13 07:34:48,279 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 83 transitions, 172 flow
[2021-06-13 07:34:48,291 INFO L129 PetriNetUnfolder]: 0/53 cut-off events.
[2021-06-13 07:34:48,291 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:34:48,291 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:48,292 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:48,292 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:48,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:48,297 INFO L82 PathProgramCache]: Analyzing trace with hash 100820283, now seen corresponding path program 1 times
[2021-06-13 07:34:48,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:48,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360934853]
[2021-06-13 07:34:48,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:48,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:48,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:48,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:48,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:48,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:48,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360934853]
[2021-06-13 07:34:48,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360934853] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:48,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:48,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-06-13 07:34:48,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485210559]
[2021-06-13 07:34:48,479 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-06-13 07:34:48,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:48,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-06-13 07:34:48,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-06-13 07:34:48,489 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 85
[2021-06-13 07:34:48,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 83 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:48,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:48,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 85
[2021-06-13 07:34:48,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:48,539 INFO L129 PetriNetUnfolder]: 16/185 cut-off events.
[2021-06-13 07:34:48,540 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:34:48,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 185 events. 16/185 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 596 event pairs, 6 based on Foata normal form. 9/183 useless extension candidates. Maximal degree in co-relation 185. Up to 27 conditions per place.
[2021-06-13 07:34:48,541 INFO L132 encePairwiseOnDemand]: 80/85 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions.
[2021-06-13 07:34:48,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 82 transitions, 188 flow
[2021-06-13 07:34:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-06-13 07:34:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-06-13 07:34:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions.
[2021-06-13 07:34:48,549 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9372549019607843
[2021-06-13 07:34:48,550 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 239 transitions.
[2021-06-13 07:34:48,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 239 transitions.
[2021-06-13 07:34:48,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:48,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 239 transitions.
[2021-06-13 07:34:48,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:48,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 85.0) internal successors, (340), 4 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:48,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 85.0) internal successors, (340), 4 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:48,559 INFO L185 Difference]: Start difference. First operand has 88 places, 83 transitions, 172 flow. Second operand 3 states and 239 transitions.
[2021-06-13 07:34:48,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 82 transitions, 188 flow
[2021-06-13 07:34:48,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 82 transitions, 186 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-06-13 07:34:48,562 INFO L241 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow
[2021-06-13 07:34:48,564 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0}
[2021-06-13 07:34:48,564 INFO L335 CegarLoopForPetriNet]: 88 programPoint places, -2 predicate places.
[2021-06-13 07:34:48,564 INFO L482 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow
[2021-06-13 07:34:48,565 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:48,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-13 07:34:48,565 INFO L301 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE (2/3)
[2021-06-13 07:34:48,566 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-06-13 07:34:48,566 INFO L378 AbstractCegarLoop]: Interprodecural is true
[2021-06-13 07:34:48,566 INFO L379 AbstractCegarLoop]: Hoare is false
[2021-06-13 07:34:48,566 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-13 07:34:48,566 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-13 07:34:48,567 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-13 07:34:48,567 INFO L383 AbstractCegarLoop]: Difference is false
[2021-06-13 07:34:48,567 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-13 07:34:48,567 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-13 07:34:48,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow
[2021-06-13 07:34:48,574 INFO L129 PetriNetUnfolder]: 2/83 cut-off events.
[2021-06-13 07:34:48,574 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:34:48,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place.
[2021-06-13 07:34:48,574 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow
[2021-06-13 07:34:48,575 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 73 transitions, 152 flow
[2021-06-13 07:34:48,580 INFO L129 PetriNetUnfolder]: 1/72 cut-off events.
[2021-06-13 07:34:48,580 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:34:48,580 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:48,580 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:48,580 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:48,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:48,581 INFO L82 PathProgramCache]: Analyzing trace with hash 453548779, now seen corresponding path program 1 times
[2021-06-13 07:34:48,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:48,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963347648]
[2021-06-13 07:34:48,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:48,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:48,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:48,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:48,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:48,733 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:48,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:48,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:48,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:48,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:48,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:48,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:48,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:48,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:48,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:48,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963347648]
[2021-06-13 07:34:48,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963347648] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:48,768 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:48,768 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-13 07:34:48,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380399874]
[2021-06-13 07:34:48,769 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-13 07:34:48,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:48,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-13 07:34:48,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-13 07:34:48,771 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 85
[2021-06-13 07:34:48,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 73 transitions, 152 flow. Second operand has 6 states, 6 states have (on average 73.16666666666667) internal successors, (439), 6 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:48,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:48,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 85
[2021-06-13 07:34:48,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:48,890 INFO L129 PetriNetUnfolder]: 24/154 cut-off events.
[2021-06-13 07:34:48,890 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-06-13 07:34:48,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 154 events. 24/154 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 455 event pairs, 5 based on Foata normal form. 6/156 useless extension candidates. Maximal degree in co-relation 179. Up to 31 conditions per place.
[2021-06-13 07:34:48,894 INFO L132 encePairwiseOnDemand]: 77/85 looper letters, 8 selfloop transitions, 3 changer transitions 19/93 dead transitions.
[2021-06-13 07:34:48,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 93 transitions, 252 flow
[2021-06-13 07:34:48,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-06-13 07:34:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-06-13 07:34:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 682 transitions.
[2021-06-13 07:34:48,901 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8915032679738563
[2021-06-13 07:34:48,901 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 682 transitions.
[2021-06-13 07:34:48,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 682 transitions.
[2021-06-13 07:34:48,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:48,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 682 transitions.
[2021-06-13 07:34:48,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 75.77777777777777) internal successors, (682), 9 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:48,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 85.0) internal successors, (850), 10 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:48,907 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 85.0) internal successors, (850), 10 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:48,907 INFO L185 Difference]: Start difference. First operand has 79 places, 73 transitions, 152 flow. Second operand 9 states and 682 transitions.
[2021-06-13 07:34:48,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 93 transitions, 252 flow
[2021-06-13 07:34:48,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 93 transitions, 250 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-06-13 07:34:48,910 INFO L241 Difference]: Finished difference. Result has 92 places, 74 transitions, 191 flow
[2021-06-13 07:34:48,911 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=191, PETRI_PLACES=92, PETRI_TRANSITIONS=74}
[2021-06-13 07:34:48,911 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 13 predicate places.
[2021-06-13 07:34:48,911 INFO L482 AbstractCegarLoop]: Abstraction has has 92 places, 74 transitions, 191 flow
[2021-06-13 07:34:48,911 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 73.16666666666667) internal successors, (439), 6 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:48,911 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:48,911 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:48,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-13 07:34:48,911 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:48,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:48,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1802447596, now seen corresponding path program 1 times
[2021-06-13 07:34:48,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:48,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45582280]
[2021-06-13 07:34:48,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:49,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:49,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:49,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:49,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-06-13 07:34:49,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-06-13 07:34:49,031 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size
[2021-06-13 07:34:49,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31
[2021-06-13 07:34:49,045 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:49,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:49,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:49,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:49,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:49,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:49,098 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:49,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45582280]
[2021-06-13 07:34:49,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45582280] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:49,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:49,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-06-13 07:34:49,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637630497]
[2021-06-13 07:34:49,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states
[2021-06-13 07:34:49,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:49,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-06-13 07:34:49,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2021-06-13 07:34:49,101 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 85
[2021-06-13 07:34:49,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 74 transitions, 191 flow. Second operand has 10 states, 10 states have (on average 66.1) internal successors, (661), 10 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:49,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:49,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 85
[2021-06-13 07:34:49,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:49,379 INFO L129 PetriNetUnfolder]: 189/471 cut-off events.
[2021-06-13 07:34:49,379 INFO L130 PetriNetUnfolder]: For 350/350 co-relation queries the response was YES.
[2021-06-13 07:34:49,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 471 events. 189/471 cut-off events. For 350/350 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2246 event pairs, 90 based on Foata normal form. 14/445 useless extension candidates. Maximal degree in co-relation 1062. Up to 203 conditions per place.
[2021-06-13 07:34:49,382 INFO L132 encePairwiseOnDemand]: 72/85 looper letters, 13 selfloop transitions, 10 changer transitions 37/118 dead transitions.
[2021-06-13 07:34:49,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 118 transitions, 427 flow
[2021-06-13 07:34:49,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2021-06-13 07:34:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states.
[2021-06-13 07:34:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1042 transitions.
[2021-06-13 07:34:49,385 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8172549019607843
[2021-06-13 07:34:49,385 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1042 transitions.
[2021-06-13 07:34:49,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1042 transitions.
[2021-06-13 07:34:49,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:49,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1042 transitions.
[2021-06-13 07:34:49,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 69.46666666666667) internal successors, (1042), 15 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:49,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 85.0) internal successors, (1360), 16 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:49,389 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 85.0) internal successors, (1360), 16 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:49,389 INFO L185 Difference]: Start difference. First operand has 92 places, 74 transitions, 191 flow. Second operand 15 states and 1042 transitions.
[2021-06-13 07:34:49,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 118 transitions, 427 flow
[2021-06-13 07:34:49,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 118 transitions, 406 flow, removed 9 selfloop flow, removed 4 redundant places.
[2021-06-13 07:34:49,393 INFO L241 Difference]: Finished difference. Result has 107 places, 80 transitions, 276 flow
[2021-06-13 07:34:49,393 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=276, PETRI_PLACES=107, PETRI_TRANSITIONS=80}
[2021-06-13 07:34:49,394 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 28 predicate places.
[2021-06-13 07:34:49,394 INFO L482 AbstractCegarLoop]: Abstraction has has 107 places, 80 transitions, 276 flow
[2021-06-13 07:34:49,394 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 66.1) internal successors, (661), 10 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:49,394 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:49,394 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:49,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-13 07:34:49,395 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:49,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:49,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1628271010, now seen corresponding path program 1 times
[2021-06-13 07:34:49,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:49,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930945377]
[2021-06-13 07:34:49,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:49,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:49,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:49,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:49,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-06-13 07:34:49,518 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size
[2021-06-13 07:34:49,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44
[2021-06-13 07:34:49,523 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:49,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:49,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:49,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:49,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:49,553 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:49,553 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930945377]
[2021-06-13 07:34:49,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930945377] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:49,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:49,554 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-13 07:34:49,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257036237]
[2021-06-13 07:34:49,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-13 07:34:49,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:49,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-13 07:34:49,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-06-13 07:34:49,559 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 85
[2021-06-13 07:34:49,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 80 transitions, 276 flow. Second operand has 8 states, 8 states have (on average 68.375) internal successors, (547), 8 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:49,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:49,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 85
[2021-06-13 07:34:49,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:49,796 INFO L129 PetriNetUnfolder]: 146/413 cut-off events.
[2021-06-13 07:34:49,796 INFO L130 PetriNetUnfolder]: For 1245/1288 co-relation queries the response was YES.
[2021-06-13 07:34:49,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1425 conditions, 413 events. 146/413 cut-off events. For 1245/1288 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1955 event pairs, 38 based on Foata normal form. 13/415 useless extension candidates. Maximal degree in co-relation 1360. Up to 134 conditions per place.
[2021-06-13 07:34:49,799 INFO L132 encePairwiseOnDemand]: 76/85 looper letters, 21 selfloop transitions, 7 changer transitions 25/113 dead transitions.
[2021-06-13 07:34:49,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 113 transitions, 624 flow
[2021-06-13 07:34:49,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-06-13 07:34:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-06-13 07:34:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 786 transitions.
[2021-06-13 07:34:49,801 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8406417112299466
[2021-06-13 07:34:49,801 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 786 transitions.
[2021-06-13 07:34:49,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 786 transitions.
[2021-06-13 07:34:49,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:49,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 786 transitions.
[2021-06-13 07:34:49,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 71.45454545454545) internal successors, (786), 11 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:49,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 85.0) internal successors, (1020), 12 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:49,804 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 85.0) internal successors, (1020), 12 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:49,805 INFO L185 Difference]: Start difference. First operand has 107 places, 80 transitions, 276 flow. Second operand 11 states and 786 transitions.
[2021-06-13 07:34:49,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 113 transitions, 624 flow
[2021-06-13 07:34:49,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 113 transitions, 600 flow, removed 10 selfloop flow, removed 5 redundant places.
[2021-06-13 07:34:49,810 INFO L241 Difference]: Finished difference. Result has 110 places, 82 transitions, 327 flow
[2021-06-13 07:34:49,811 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=327, PETRI_PLACES=110, PETRI_TRANSITIONS=82}
[2021-06-13 07:34:49,811 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 31 predicate places.
[2021-06-13 07:34:49,811 INFO L482 AbstractCegarLoop]: Abstraction has has 110 places, 82 transitions, 327 flow
[2021-06-13 07:34:49,811 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 68.375) internal successors, (547), 8 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:49,811 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:49,812 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:49,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-06-13 07:34:49,812 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:49,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:49,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1177996857, now seen corresponding path program 1 times
[2021-06-13 07:34:49,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:49,816 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564128379]
[2021-06-13 07:34:49,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:49,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:49,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:49,906 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:49,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:49,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:49,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:49,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:49,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:49,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:49,936 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:49,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564128379]
[2021-06-13 07:34:49,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564128379] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:49,936 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:49,936 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-13 07:34:49,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983575600]
[2021-06-13 07:34:49,937 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-13 07:34:49,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:49,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-13 07:34:49,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-13 07:34:49,938 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 85
[2021-06-13 07:34:49,939 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 82 transitions, 327 flow. Second operand has 6 states, 6 states have (on average 73.33333333333333) internal successors, (440), 6 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:49,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:49,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 85
[2021-06-13 07:34:49,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:50,083 INFO L129 PetriNetUnfolder]: 115/470 cut-off events.
[2021-06-13 07:34:50,083 INFO L130 PetriNetUnfolder]: For 2537/2594 co-relation queries the response was YES.
[2021-06-13 07:34:50,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1811 conditions, 470 events. 115/470 cut-off events. For 2537/2594 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2820 event pairs, 23 based on Foata normal form. 28/480 useless extension candidates. Maximal degree in co-relation 1743. Up to 123 conditions per place.
[2021-06-13 07:34:50,089 INFO L132 encePairwiseOnDemand]: 79/85 looper letters, 13 selfloop transitions, 3 changer transitions 11/97 dead transitions.
[2021-06-13 07:34:50,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 97 transitions, 518 flow
[2021-06-13 07:34:50,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-06-13 07:34:50,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-06-13 07:34:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 674 transitions.
[2021-06-13 07:34:50,090 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8810457516339869
[2021-06-13 07:34:50,090 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 674 transitions.
[2021-06-13 07:34:50,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 674 transitions.
[2021-06-13 07:34:50,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:50,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 674 transitions.
[2021-06-13 07:34:50,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 74.88888888888889) internal successors, (674), 9 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:50,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 85.0) internal successors, (850), 10 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:50,094 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 85.0) internal successors, (850), 10 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:50,095 INFO L185 Difference]: Start difference. First operand has 110 places, 82 transitions, 327 flow. Second operand 9 states and 674 transitions.
[2021-06-13 07:34:50,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 97 transitions, 518 flow
[2021-06-13 07:34:50,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 97 transitions, 481 flow, removed 14 selfloop flow, removed 6 redundant places.
[2021-06-13 07:34:50,107 INFO L241 Difference]: Finished difference. Result has 113 places, 82 transitions, 335 flow
[2021-06-13 07:34:50,107 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=335, PETRI_PLACES=113, PETRI_TRANSITIONS=82}
[2021-06-13 07:34:50,107 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 34 predicate places.
[2021-06-13 07:34:50,108 INFO L482 AbstractCegarLoop]: Abstraction has has 113 places, 82 transitions, 335 flow
[2021-06-13 07:34:50,108 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 73.33333333333333) internal successors, (440), 6 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:50,108 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:50,108 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:50,108 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-06-13 07:34:50,108 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:50,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:50,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1979748077, now seen corresponding path program 1 times
[2021-06-13 07:34:50,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:50,109 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155531780]
[2021-06-13 07:34:50,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:50,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:50,189 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size
[2021-06-13 07:34:50,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:50,192 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size
[2021-06-13 07:34:50,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:50,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11
[2021-06-13 07:34:50,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-06-13 07:34:50,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11
[2021-06-13 07:34:50,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-06-13 07:34:50,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-06-13 07:34:50,254 INFO L142 QuantifierPusher]: treesize reduction 140, result has 18.6 percent of original size
[2021-06-13 07:34:50,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32
[2021-06-13 07:34:50,269 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:50,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:50,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:50,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:50,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:50,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:50,298 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:50,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155531780]
[2021-06-13 07:34:50,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155531780] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:50,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:50,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-06-13 07:34:50,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628885028]
[2021-06-13 07:34:50,299 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states
[2021-06-13 07:34:50,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:50,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-06-13 07:34:50,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132
[2021-06-13 07:34:50,300 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 85
[2021-06-13 07:34:50,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 82 transitions, 335 flow. Second operand has 12 states, 12 states have (on average 62.25) internal successors, (747), 12 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:50,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:50,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 85
[2021-06-13 07:34:50,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:50,834 INFO L129 PetriNetUnfolder]: 384/1003 cut-off events.
[2021-06-13 07:34:50,834 INFO L130 PetriNetUnfolder]: For 5322/5361 co-relation queries the response was YES.
[2021-06-13 07:34:50,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3679 conditions, 1003 events. 384/1003 cut-off events. For 5322/5361 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6223 event pairs, 78 based on Foata normal form. 13/989 useless extension candidates. Maximal degree in co-relation 3605. Up to 301 conditions per place.
[2021-06-13 07:34:50,841 INFO L132 encePairwiseOnDemand]: 71/85 looper letters, 47 selfloop transitions, 16 changer transitions 41/158 dead transitions.
[2021-06-13 07:34:50,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 158 transitions, 1151 flow
[2021-06-13 07:34:50,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2021-06-13 07:34:50,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states.
[2021-06-13 07:34:50,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1391 transitions.
[2021-06-13 07:34:50,845 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7792717086834734
[2021-06-13 07:34:50,845 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1391 transitions.
[2021-06-13 07:34:50,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1391 transitions.
[2021-06-13 07:34:50,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:50,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1391 transitions.
[2021-06-13 07:34:50,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 66.23809523809524) internal successors, (1391), 21 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:50,852 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 85.0) internal successors, (1870), 22 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:50,852 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 85.0) internal successors, (1870), 22 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:50,852 INFO L185 Difference]: Start difference. First operand has 113 places, 82 transitions, 335 flow. Second operand 21 states and 1391 transitions.
[2021-06-13 07:34:50,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 158 transitions, 1151 flow
[2021-06-13 07:34:50,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 158 transitions, 1062 flow, removed 43 selfloop flow, removed 7 redundant places.
[2021-06-13 07:34:50,859 INFO L241 Difference]: Finished difference. Result has 134 places, 90 transitions, 438 flow
[2021-06-13 07:34:50,859 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=438, PETRI_PLACES=134, PETRI_TRANSITIONS=90}
[2021-06-13 07:34:50,860 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 55 predicate places.
[2021-06-13 07:34:50,860 INFO L482 AbstractCegarLoop]: Abstraction has has 134 places, 90 transitions, 438 flow
[2021-06-13 07:34:50,860 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 62.25) internal successors, (747), 12 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:50,860 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:50,860 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:50,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-06-13 07:34:50,860 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:50,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:50,861 INFO L82 PathProgramCache]: Analyzing trace with hash 919557961, now seen corresponding path program 2 times
[2021-06-13 07:34:50,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:50,861 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085862533]
[2021-06-13 07:34:50,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:50,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:50,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:50,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:50,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-06-13 07:34:50,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-06-13 07:34:50,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:50,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-06-13 07:34:51,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:51,023 INFO L142 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size
[2021-06-13 07:34:51,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36
[2021-06-13 07:34:51,041 INFO L142 QuantifierPusher]: treesize reduction 10, result has 66.7 percent of original size
[2021-06-13 07:34:51,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-06-13 07:34:51,052 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:51,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:51,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:51,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:51,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:51,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:51,081 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:51,081 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085862533]
[2021-06-13 07:34:51,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085862533] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:51,081 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:51,081 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2021-06-13 07:34:51,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868741294]
[2021-06-13 07:34:51,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states
[2021-06-13 07:34:51,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:51,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-06-13 07:34:51,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2021-06-13 07:34:51,083 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 85
[2021-06-13 07:34:51,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 90 transitions, 438 flow. Second operand has 13 states, 13 states have (on average 64.15384615384616) internal successors, (834), 13 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:51,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:51,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 85
[2021-06-13 07:34:51,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:51,311 INFO L129 PetriNetUnfolder]: 165/512 cut-off events.
[2021-06-13 07:34:51,311 INFO L130 PetriNetUnfolder]: For 5170/5460 co-relation queries the response was YES.
[2021-06-13 07:34:51,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2596 conditions, 512 events. 165/512 cut-off events. For 5170/5460 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2674 event pairs, 71 based on Foata normal form. 43/538 useless extension candidates. Maximal degree in co-relation 2507. Up to 254 conditions per place.
[2021-06-13 07:34:51,316 INFO L132 encePairwiseOnDemand]: 74/85 looper letters, 22 selfloop transitions, 14 changer transitions 12/108 dead transitions.
[2021-06-13 07:34:51,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 108 transitions, 767 flow
[2021-06-13 07:34:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-06-13 07:34:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2021-06-13 07:34:51,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 919 transitions.
[2021-06-13 07:34:51,318 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7722689075630252
[2021-06-13 07:34:51,318 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 919 transitions.
[2021-06-13 07:34:51,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 919 transitions.
[2021-06-13 07:34:51,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:51,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 919 transitions.
[2021-06-13 07:34:51,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 65.64285714285714) internal successors, (919), 14 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:51,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 85.0) internal successors, (1275), 15 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:51,322 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 85.0) internal successors, (1275), 15 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:51,322 INFO L185 Difference]: Start difference. First operand has 134 places, 90 transitions, 438 flow. Second operand 14 states and 919 transitions.
[2021-06-13 07:34:51,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 108 transitions, 767 flow
[2021-06-13 07:34:51,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 108 transitions, 685 flow, removed 39 selfloop flow, removed 11 redundant places.
[2021-06-13 07:34:51,329 INFO L241 Difference]: Finished difference. Result has 131 places, 93 transitions, 485 flow
[2021-06-13 07:34:51,329 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=485, PETRI_PLACES=131, PETRI_TRANSITIONS=93}
[2021-06-13 07:34:51,329 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 52 predicate places.
[2021-06-13 07:34:51,329 INFO L482 AbstractCegarLoop]: Abstraction has has 131 places, 93 transitions, 485 flow
[2021-06-13 07:34:51,330 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 64.15384615384616) internal successors, (834), 13 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:51,330 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:51,330 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:51,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-06-13 07:34:51,330 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:51,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:51,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1747726094, now seen corresponding path program 1 times
[2021-06-13 07:34:51,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:51,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716908785]
[2021-06-13 07:34:51,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:51,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:51,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:51,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:51,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-06-13 07:34:51,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-06-13 07:34:51,412 INFO L142 QuantifierPusher]: treesize reduction 20, result has 80.4 percent of original size
[2021-06-13 07:34:51,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82
[2021-06-13 07:34:51,429 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:51,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:51,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:51,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:51,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:51,456 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:51,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716908785]
[2021-06-13 07:34:51,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716908785] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:51,456 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:51,457 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-06-13 07:34:51,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665222068]
[2021-06-13 07:34:51,457 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states
[2021-06-13 07:34:51,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:51,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-06-13 07:34:51,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90
[2021-06-13 07:34:51,458 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 85
[2021-06-13 07:34:51,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 93 transitions, 485 flow. Second operand has 10 states, 10 states have (on average 64.4) internal successors, (644), 10 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:51,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:51,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 85
[2021-06-13 07:34:51,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:51,819 INFO L129 PetriNetUnfolder]: 216/696 cut-off events.
[2021-06-13 07:34:51,819 INFO L130 PetriNetUnfolder]: For 5533/5761 co-relation queries the response was YES.
[2021-06-13 07:34:51,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3166 conditions, 696 events. 216/696 cut-off events. For 5533/5761 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4322 event pairs, 75 based on Foata normal form. 62/739 useless extension candidates. Maximal degree in co-relation 3075. Up to 269 conditions per place.
[2021-06-13 07:34:51,824 INFO L132 encePairwiseOnDemand]: 73/85 looper letters, 31 selfloop transitions, 12 changer transitions 34/137 dead transitions.
[2021-06-13 07:34:51,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 137 transitions, 1085 flow
[2021-06-13 07:34:51,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2021-06-13 07:34:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2021-06-13 07:34:51,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1068 transitions.
[2021-06-13 07:34:51,827 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7852941176470588
[2021-06-13 07:34:51,827 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1068 transitions.
[2021-06-13 07:34:51,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1068 transitions.
[2021-06-13 07:34:51,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:51,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1068 transitions.
[2021-06-13 07:34:51,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 66.75) internal successors, (1068), 16 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:51,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 85.0) internal successors, (1445), 17 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:51,831 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 85.0) internal successors, (1445), 17 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:51,831 INFO L185 Difference]: Start difference. First operand has 131 places, 93 transitions, 485 flow. Second operand 16 states and 1068 transitions.
[2021-06-13 07:34:51,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 137 transitions, 1085 flow
[2021-06-13 07:34:51,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 137 transitions, 989 flow, removed 38 selfloop flow, removed 12 redundant places.
[2021-06-13 07:34:51,840 INFO L241 Difference]: Finished difference. Result has 143 places, 102 transitions, 596 flow
[2021-06-13 07:34:51,840 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=596, PETRI_PLACES=143, PETRI_TRANSITIONS=102}
[2021-06-13 07:34:51,841 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 64 predicate places.
[2021-06-13 07:34:51,841 INFO L482 AbstractCegarLoop]: Abstraction has has 143 places, 102 transitions, 596 flow
[2021-06-13 07:34:51,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 64.4) internal successors, (644), 10 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:51,841 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:51,841 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:51,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-06-13 07:34:51,841 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:51,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:51,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1936241010, now seen corresponding path program 2 times
[2021-06-13 07:34:51,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:51,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045193896]
[2021-06-13 07:34:51,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:51,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:51,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:51,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:51,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-06-13 07:34:51,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-06-13 07:34:51,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-06-13 07:34:51,923 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size
[2021-06-13 07:34:51,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44
[2021-06-13 07:34:51,939 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size
[2021-06-13 07:34:51,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44
[2021-06-13 07:34:51,953 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:51,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:51,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:51,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:51,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:51,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:51,991 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:51,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045193896]
[2021-06-13 07:34:51,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045193896] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:51,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:51,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-06-13 07:34:51,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255254781]
[2021-06-13 07:34:51,992 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states
[2021-06-13 07:34:51,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:51,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-06-13 07:34:51,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132
[2021-06-13 07:34:51,993 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 85
[2021-06-13 07:34:51,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 102 transitions, 596 flow. Second operand has 12 states, 12 states have (on average 65.08333333333333) internal successors, (781), 12 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:51,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:51,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 85
[2021-06-13 07:34:51,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:52,197 INFO L129 PetriNetUnfolder]: 152/570 cut-off events.
[2021-06-13 07:34:52,197 INFO L130 PetriNetUnfolder]: For 6861/7120 co-relation queries the response was YES.
[2021-06-13 07:34:52,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3018 conditions, 570 events. 152/570 cut-off events. For 6861/7120 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3488 event pairs, 43 based on Foata normal form. 60/612 useless extension candidates. Maximal degree in co-relation 2924. Up to 172 conditions per place.
[2021-06-13 07:34:52,201 INFO L132 encePairwiseOnDemand]: 73/85 looper letters, 25 selfloop transitions, 15 changer transitions 28/129 dead transitions.
[2021-06-13 07:34:52,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 129 transitions, 1174 flow
[2021-06-13 07:34:52,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2021-06-13 07:34:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2021-06-13 07:34:52,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 942 transitions.
[2021-06-13 07:34:52,209 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7915966386554621
[2021-06-13 07:34:52,209 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 942 transitions.
[2021-06-13 07:34:52,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 942 transitions.
[2021-06-13 07:34:52,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:52,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 942 transitions.
[2021-06-13 07:34:52,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 67.28571428571429) internal successors, (942), 14 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:52,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 85.0) internal successors, (1275), 15 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:52,214 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 85.0) internal successors, (1275), 15 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:52,214 INFO L185 Difference]: Start difference. First operand has 143 places, 102 transitions, 596 flow. Second operand 14 states and 942 transitions.
[2021-06-13 07:34:52,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 129 transitions, 1174 flow
[2021-06-13 07:34:52,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 129 transitions, 1123 flow, removed 20 selfloop flow, removed 6 redundant places.
[2021-06-13 07:34:52,226 INFO L241 Difference]: Finished difference. Result has 147 places, 101 transitions, 598 flow
[2021-06-13 07:34:52,226 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=598, PETRI_PLACES=147, PETRI_TRANSITIONS=101}
[2021-06-13 07:34:52,226 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 68 predicate places.
[2021-06-13 07:34:52,226 INFO L482 AbstractCegarLoop]: Abstraction has has 147 places, 101 transitions, 598 flow
[2021-06-13 07:34:52,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 65.08333333333333) internal successors, (781), 12 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:52,226 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:52,227 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:52,227 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-06-13 07:34:52,227 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:52,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:52,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1379610133, now seen corresponding path program 1 times
[2021-06-13 07:34:52,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:52,227 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974848190]
[2021-06-13 07:34:52,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:52,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:52,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:52,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:52,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-06-13 07:34:52,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-06-13 07:34:52,322 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size
[2021-06-13 07:34:52,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47
[2021-06-13 07:34:52,337 INFO L142 QuantifierPusher]: treesize reduction 20, result has 80.2 percent of original size
[2021-06-13 07:34:52,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81
[2021-06-13 07:34:52,348 INFO L142 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size
[2021-06-13 07:34:52,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68
[2021-06-13 07:34:52,367 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:52,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:52,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:52,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:52,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:52,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:52,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974848190]
[2021-06-13 07:34:52,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974848190] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:52,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:52,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2021-06-13 07:34:52,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404717770]
[2021-06-13 07:34:52,393 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states
[2021-06-13 07:34:52,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:52,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-06-13 07:34:52,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2021-06-13 07:34:52,394 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 85
[2021-06-13 07:34:52,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 101 transitions, 598 flow. Second operand has 11 states, 11 states have (on average 65.36363636363636) internal successors, (719), 11 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:52,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:52,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 85
[2021-06-13 07:34:52,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:52,622 INFO L129 PetriNetUnfolder]: 93/384 cut-off events.
[2021-06-13 07:34:52,622 INFO L130 PetriNetUnfolder]: For 5846/6124 co-relation queries the response was YES.
[2021-06-13 07:34:52,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2156 conditions, 384 events. 93/384 cut-off events. For 5846/6124 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1933 event pairs, 38 based on Foata normal form. 41/411 useless extension candidates. Maximal degree in co-relation 2056. Up to 157 conditions per place.
[2021-06-13 07:34:52,626 INFO L132 encePairwiseOnDemand]: 73/85 looper letters, 33 selfloop transitions, 16 changer transitions 10/120 dead transitions.
[2021-06-13 07:34:52,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 120 transitions, 1029 flow
[2021-06-13 07:34:52,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-06-13 07:34:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-06-13 07:34:52,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 873 transitions.
[2021-06-13 07:34:52,627 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7900452488687782
[2021-06-13 07:34:52,627 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 873 transitions.
[2021-06-13 07:34:52,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 873 transitions.
[2021-06-13 07:34:52,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:52,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 873 transitions.
[2021-06-13 07:34:52,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 67.15384615384616) internal successors, (873), 13 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:52,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 85.0) internal successors, (1190), 14 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:52,631 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 85.0) internal successors, (1190), 14 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:52,631 INFO L185 Difference]: Start difference. First operand has 147 places, 101 transitions, 598 flow. Second operand 13 states and 873 transitions.
[2021-06-13 07:34:52,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 120 transitions, 1029 flow
[2021-06-13 07:34:52,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 120 transitions, 943 flow, removed 32 selfloop flow, removed 12 redundant places.
[2021-06-13 07:34:52,642 INFO L241 Difference]: Finished difference. Result has 149 places, 106 transitions, 691 flow
[2021-06-13 07:34:52,643 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=691, PETRI_PLACES=149, PETRI_TRANSITIONS=106}
[2021-06-13 07:34:52,643 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 70 predicate places.
[2021-06-13 07:34:52,643 INFO L482 AbstractCegarLoop]: Abstraction has has 149 places, 106 transitions, 691 flow
[2021-06-13 07:34:52,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 65.36363636363636) internal successors, (719), 11 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:52,643 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:52,643 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:52,643 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-06-13 07:34:52,644 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:52,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:52,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1066836811, now seen corresponding path program 2 times
[2021-06-13 07:34:52,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:52,644 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863292029]
[2021-06-13 07:34:52,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:52,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:52,705 INFO L142 QuantifierPusher]: treesize reduction 5, result has 37.5 percent of original size
[2021-06-13 07:34:52,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:52,711 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size
[2021-06-13 07:34:52,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:52,714 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size
[2021-06-13 07:34:52,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-06-13 07:34:52,720 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size
[2021-06-13 07:34:52,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-06-13 07:34:52,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-06-13 07:34:52,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-06-13 07:34:52,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-06-13 07:34:52,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17
[2021-06-13 07:34:52,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-06-13 07:34:52,772 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.8 percent of original size
[2021-06-13 07:34:52,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45
[2021-06-13 07:34:52,787 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:52,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:52,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:52,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:52,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:52,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:52,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:52,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863292029]
[2021-06-13 07:34:52,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863292029] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:52,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:52,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2021-06-13 07:34:52,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451969669]
[2021-06-13 07:34:52,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states
[2021-06-13 07:34:52,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:52,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2021-06-13 07:34:52,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210
[2021-06-13 07:34:52,822 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 85
[2021-06-13 07:34:52,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 106 transitions, 691 flow. Second operand has 15 states, 15 states have (on average 59.266666666666666) internal successors, (889), 15 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:52,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:52,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 85
[2021-06-13 07:34:52,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:53,390 INFO L129 PetriNetUnfolder]: 291/754 cut-off events.
[2021-06-13 07:34:53,390 INFO L130 PetriNetUnfolder]: For 11439/11536 co-relation queries the response was YES.
[2021-06-13 07:34:53,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4249 conditions, 754 events. 291/754 cut-off events. For 11439/11536 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4099 event pairs, 53 based on Foata normal form. 44/781 useless extension candidates. Maximal degree in co-relation 4146. Up to 274 conditions per place.
[2021-06-13 07:34:53,396 INFO L132 encePairwiseOnDemand]: 70/85 looper letters, 46 selfloop transitions, 16 changer transitions 55/168 dead transitions.
[2021-06-13 07:34:53,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 168 transitions, 1780 flow
[2021-06-13 07:34:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2021-06-13 07:34:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2021-06-13 07:34:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1372 transitions.
[2021-06-13 07:34:53,399 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7336898395721925
[2021-06-13 07:34:53,399 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1372 transitions.
[2021-06-13 07:34:53,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1372 transitions.
[2021-06-13 07:34:53,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:53,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1372 transitions.
[2021-06-13 07:34:53,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 62.36363636363637) internal successors, (1372), 22 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:53,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 85.0) internal successors, (1955), 23 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:53,405 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 85.0) internal successors, (1955), 23 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:53,405 INFO L185 Difference]: Start difference. First operand has 149 places, 106 transitions, 691 flow. Second operand 22 states and 1372 transitions.
[2021-06-13 07:34:53,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 168 transitions, 1780 flow
[2021-06-13 07:34:53,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 168 transitions, 1596 flow, removed 85 selfloop flow, removed 9 redundant places.
[2021-06-13 07:34:53,422 INFO L241 Difference]: Finished difference. Result has 169 places, 99 transitions, 633 flow
[2021-06-13 07:34:53,423 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=633, PETRI_PLACES=169, PETRI_TRANSITIONS=99}
[2021-06-13 07:34:53,423 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 90 predicate places.
[2021-06-13 07:34:53,423 INFO L482 AbstractCegarLoop]: Abstraction has has 169 places, 99 transitions, 633 flow
[2021-06-13 07:34:53,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 59.266666666666666) internal successors, (889), 15 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:53,423 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:53,423 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:53,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-06-13 07:34:53,423 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:53,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:53,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1216914217, now seen corresponding path program 3 times
[2021-06-13 07:34:53,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:53,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791162090]
[2021-06-13 07:34:53,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:53,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:53,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:53,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:53,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-06-13 07:34:53,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-06-13 07:34:53,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-06-13 07:34:53,519 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.8 percent of original size
[2021-06-13 07:34:53,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45
[2021-06-13 07:34:53,538 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size
[2021-06-13 07:34:53,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48
[2021-06-13 07:34:53,554 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:53,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:53,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:53,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:53,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:53,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:53,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791162090]
[2021-06-13 07:34:53,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791162090] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:53,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:53,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-06-13 07:34:53,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484955289]
[2021-06-13 07:34:53,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states
[2021-06-13 07:34:53,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:53,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-06-13 07:34:53,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2021-06-13 07:34:53,580 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 85
[2021-06-13 07:34:53,581 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 99 transitions, 633 flow. Second operand has 12 states, 12 states have (on average 65.25) internal successors, (783), 12 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:53,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:53,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 85
[2021-06-13 07:34:53,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:53,875 INFO L129 PetriNetUnfolder]: 88/363 cut-off events.
[2021-06-13 07:34:53,876 INFO L130 PetriNetUnfolder]: For 8893/9141 co-relation queries the response was YES.
[2021-06-13 07:34:53,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2304 conditions, 363 events. 88/363 cut-off events. For 8893/9141 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1769 event pairs, 22 based on Foata normal form. 64/416 useless extension candidates. Maximal degree in co-relation 2193. Up to 116 conditions per place.
[2021-06-13 07:34:53,879 INFO L132 encePairwiseOnDemand]: 73/85 looper letters, 23 selfloop transitions, 18 changer transitions 22/122 dead transitions.
[2021-06-13 07:34:53,879 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 122 transitions, 1229 flow
[2021-06-13 07:34:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2021-06-13 07:34:53,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states.
[2021-06-13 07:34:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1005 transitions.
[2021-06-13 07:34:53,880 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.788235294117647
[2021-06-13 07:34:53,880 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1005 transitions.
[2021-06-13 07:34:53,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1005 transitions.
[2021-06-13 07:34:53,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:53,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1005 transitions.
[2021-06-13 07:34:53,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 67.0) internal successors, (1005), 15 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:53,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 85.0) internal successors, (1360), 16 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:53,883 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 85.0) internal successors, (1360), 16 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:53,883 INFO L185 Difference]: Start difference. First operand has 169 places, 99 transitions, 633 flow. Second operand 15 states and 1005 transitions.
[2021-06-13 07:34:53,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 122 transitions, 1229 flow
[2021-06-13 07:34:53,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 122 transitions, 988 flow, removed 103 selfloop flow, removed 25 redundant places.
[2021-06-13 07:34:53,897 INFO L241 Difference]: Finished difference. Result has 148 places, 96 transitions, 614 flow
[2021-06-13 07:34:53,897 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=614, PETRI_PLACES=148, PETRI_TRANSITIONS=96}
[2021-06-13 07:34:53,898 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 69 predicate places.
[2021-06-13 07:34:53,898 INFO L482 AbstractCegarLoop]: Abstraction has has 148 places, 96 transitions, 614 flow
[2021-06-13 07:34:53,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 65.25) internal successors, (783), 12 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:53,898 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:53,898 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:53,898 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-06-13 07:34:53,898 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:53,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:53,899 INFO L82 PathProgramCache]: Analyzing trace with hash -944258453, now seen corresponding path program 4 times
[2021-06-13 07:34:53,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:53,899 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025848688]
[2021-06-13 07:34:53,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:53,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:53,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:53,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:53,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:54,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-06-13 07:34:54,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-06-13 07:34:54,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16
[2021-06-13 07:34:54,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:54,034 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.1 percent of original size
[2021-06-13 07:34:54,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57
[2021-06-13 07:34:54,063 INFO L142 QuantifierPusher]: treesize reduction 47, result has 60.8 percent of original size
[2021-06-13 07:34:54,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73
[2021-06-13 07:34:54,095 INFO L142 QuantifierPusher]: treesize reduction 47, result has 60.5 percent of original size
[2021-06-13 07:34:54,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72
[2021-06-13 07:34:54,120 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:54,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:54,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:54,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:54,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:54,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:54,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025848688]
[2021-06-13 07:34:54,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025848688] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:54,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:54,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2021-06-13 07:34:54,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964137214]
[2021-06-13 07:34:54,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states
[2021-06-13 07:34:54,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:54,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-06-13 07:34:54,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182
[2021-06-13 07:34:54,156 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 85
[2021-06-13 07:34:54,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 96 transitions, 614 flow. Second operand has 14 states, 14 states have (on average 63.214285714285715) internal successors, (885), 14 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:54,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 85
[2021-06-13 07:34:54,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:54,395 INFO L129 PetriNetUnfolder]: 72/318 cut-off events.
[2021-06-13 07:34:54,395 INFO L130 PetriNetUnfolder]: For 4621/4910 co-relation queries the response was YES.
[2021-06-13 07:34:54,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1751 conditions, 318 events. 72/318 cut-off events. For 4621/4910 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1466 event pairs, 23 based on Foata normal form. 28/335 useless extension candidates. Maximal degree in co-relation 1650. Up to 129 conditions per place.
[2021-06-13 07:34:54,398 INFO L132 encePairwiseOnDemand]: 72/85 looper letters, 28 selfloop transitions, 7 changer transitions 15/107 dead transitions.
[2021-06-13 07:34:54,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 107 transitions, 948 flow
[2021-06-13 07:34:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2021-06-13 07:34:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2021-06-13 07:34:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1028 transitions.
[2021-06-13 07:34:54,399 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7558823529411764
[2021-06-13 07:34:54,399 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1028 transitions.
[2021-06-13 07:34:54,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1028 transitions.
[2021-06-13 07:34:54,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:54,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1028 transitions.
[2021-06-13 07:34:54,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 64.25) internal successors, (1028), 16 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 85.0) internal successors, (1445), 17 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,402 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 85.0) internal successors, (1445), 17 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,403 INFO L185 Difference]: Start difference. First operand has 148 places, 96 transitions, 614 flow. Second operand 16 states and 1028 transitions.
[2021-06-13 07:34:54,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 107 transitions, 948 flow
[2021-06-13 07:34:54,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 107 transitions, 811 flow, removed 56 selfloop flow, removed 17 redundant places.
[2021-06-13 07:34:54,412 INFO L241 Difference]: Finished difference. Result has 145 places, 92 transitions, 540 flow
[2021-06-13 07:34:54,412 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=533, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=540, PETRI_PLACES=145, PETRI_TRANSITIONS=92}
[2021-06-13 07:34:54,412 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 66 predicate places.
[2021-06-13 07:34:54,412 INFO L482 AbstractCegarLoop]: Abstraction has has 145 places, 92 transitions, 540 flow
[2021-06-13 07:34:54,413 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 63.214285714285715) internal successors, (885), 14 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,413 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:54,413 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:54,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-06-13 07:34:54,413 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:54,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:54,413 INFO L82 PathProgramCache]: Analyzing trace with hash -467937905, now seen corresponding path program 5 times
[2021-06-13 07:34:54,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:54,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313077091]
[2021-06-13 07:34:54,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:54,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:54,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:54,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:54,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-06-13 07:34:54,465 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size
[2021-06-13 07:34:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47
[2021-06-13 07:34:54,480 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size
[2021-06-13 07:34:54,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50
[2021-06-13 07:34:54,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10
[2021-06-13 07:34:54,504 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size
[2021-06-13 07:34:54,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44
[2021-06-13 07:34:54,510 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size
[2021-06-13 07:34:54,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-06-13 07:34:54,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:54,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:54,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:54,538 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:54,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313077091]
[2021-06-13 07:34:54,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313077091] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:54,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:54,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2021-06-13 07:34:54,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544848486]
[2021-06-13 07:34:54,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states
[2021-06-13 07:34:54,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:54,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-06-13 07:34:54,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2021-06-13 07:34:54,539 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 85
[2021-06-13 07:34:54,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 92 transitions, 540 flow. Second operand has 11 states, 11 states have (on average 64.45454545454545) internal successors, (709), 11 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:54,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 85
[2021-06-13 07:34:54,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:54,762 INFO L129 PetriNetUnfolder]: 69/370 cut-off events.
[2021-06-13 07:34:54,763 INFO L130 PetriNetUnfolder]: For 3555/3721 co-relation queries the response was YES.
[2021-06-13 07:34:54,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1619 conditions, 370 events. 69/370 cut-off events. For 3555/3721 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2037 event pairs, 12 based on Foata normal form. 24/384 useless extension candidates. Maximal degree in co-relation 1520. Up to 55 conditions per place.
[2021-06-13 07:34:54,765 INFO L132 encePairwiseOnDemand]: 75/85 looper letters, 25 selfloop transitions, 13 changer transitions 13/107 dead transitions.
[2021-06-13 07:34:54,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 107 transitions, 898 flow
[2021-06-13 07:34:54,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-06-13 07:34:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-06-13 07:34:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 856 transitions.
[2021-06-13 07:34:54,777 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7746606334841629
[2021-06-13 07:34:54,777 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 856 transitions.
[2021-06-13 07:34:54,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 856 transitions.
[2021-06-13 07:34:54,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:54,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 856 transitions.
[2021-06-13 07:34:54,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 65.84615384615384) internal successors, (856), 13 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 85.0) internal successors, (1190), 14 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,780 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 85.0) internal successors, (1190), 14 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,780 INFO L185 Difference]: Start difference. First operand has 145 places, 92 transitions, 540 flow. Second operand 13 states and 856 transitions.
[2021-06-13 07:34:54,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 107 transitions, 898 flow
[2021-06-13 07:34:54,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 107 transitions, 771 flow, removed 55 selfloop flow, removed 15 redundant places.
[2021-06-13 07:34:54,788 INFO L241 Difference]: Finished difference. Result has 137 places, 89 transitions, 507 flow
[2021-06-13 07:34:54,788 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=507, PETRI_PLACES=137, PETRI_TRANSITIONS=89}
[2021-06-13 07:34:54,789 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 58 predicate places.
[2021-06-13 07:34:54,789 INFO L482 AbstractCegarLoop]: Abstraction has has 137 places, 89 transitions, 507 flow
[2021-06-13 07:34:54,789 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 64.45454545454545) internal successors, (709), 11 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,789 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:54,789 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:54,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-06-13 07:34:54,789 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:54,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:54,790 INFO L82 PathProgramCache]: Analyzing trace with hash 415372559, now seen corresponding path program 1 times
[2021-06-13 07:34:54,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:54,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568233162]
[2021-06-13 07:34:54,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:54,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:54,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:54,817 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size
[2021-06-13 07:34:54,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-06-13 07:34:54,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:54,832 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-06-13 07:34:54,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:54,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:54,837 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:54,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568233162]
[2021-06-13 07:34:54,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568233162] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:54,838 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:54,838 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-13 07:34:54,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326166835]
[2021-06-13 07:34:54,838 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-13 07:34:54,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:54,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-13 07:34:54,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-13 07:34:54,839 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 85
[2021-06-13 07:34:54,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 89 transitions, 507 flow. Second operand has 6 states, 6 states have (on average 73.16666666666667) internal successors, (439), 6 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:54,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 85
[2021-06-13 07:34:54,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:54,945 INFO L129 PetriNetUnfolder]: 82/347 cut-off events.
[2021-06-13 07:34:54,945 INFO L130 PetriNetUnfolder]: For 1582/1596 co-relation queries the response was YES.
[2021-06-13 07:34:54,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 347 events. 82/347 cut-off events. For 1582/1596 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1889 event pairs, 8 based on Foata normal form. 10/336 useless extension candidates. Maximal degree in co-relation 1067. Up to 62 conditions per place.
[2021-06-13 07:34:54,947 INFO L132 encePairwiseOnDemand]: 76/85 looper letters, 13 selfloop transitions, 12 changer transitions 9/100 dead transitions.
[2021-06-13 07:34:54,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 100 transitions, 559 flow
[2021-06-13 07:34:54,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-06-13 07:34:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2021-06-13 07:34:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 755 transitions.
[2021-06-13 07:34:54,949 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.888235294117647
[2021-06-13 07:34:54,949 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 755 transitions.
[2021-06-13 07:34:54,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 755 transitions.
[2021-06-13 07:34:54,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:54,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 755 transitions.
[2021-06-13 07:34:54,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 75.5) internal successors, (755), 10 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 85.0) internal successors, (935), 11 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,957 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 85.0) internal successors, (935), 11 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,957 INFO L185 Difference]: Start difference. First operand has 137 places, 89 transitions, 507 flow. Second operand 10 states and 755 transitions.
[2021-06-13 07:34:54,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 100 transitions, 559 flow
[2021-06-13 07:34:54,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 100 transitions, 471 flow, removed 22 selfloop flow, removed 26 redundant places.
[2021-06-13 07:34:54,961 INFO L241 Difference]: Finished difference. Result has 118 places, 86 transitions, 374 flow
[2021-06-13 07:34:54,961 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=374, PETRI_PLACES=118, PETRI_TRANSITIONS=86}
[2021-06-13 07:34:54,961 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 39 predicate places.
[2021-06-13 07:34:54,961 INFO L482 AbstractCegarLoop]: Abstraction has has 118 places, 86 transitions, 374 flow
[2021-06-13 07:34:54,961 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 73.16666666666667) internal successors, (439), 6 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:54,961 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:54,962 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:54,962 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-06-13 07:34:54,962 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:54,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:54,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1652302451, now seen corresponding path program 1 times
[2021-06-13 07:34:54,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:54,963 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224321258]
[2021-06-13 07:34:54,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-13 07:34:54,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:54,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:54,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:54,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:55,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-06-13 07:34:55,003 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size
[2021-06-13 07:34:55,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23
[2021-06-13 07:34:55,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:55,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-06-13 07:34:55,018 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size
[2021-06-13 07:34:55,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-06-13 07:34:55,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-13 07:34:55,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-06-13 07:34:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-13 07:34:55,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-13 07:34:55,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224321258]
[2021-06-13 07:34:55,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224321258] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-13 07:34:55,026 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-13 07:34:55,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-13 07:34:55,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354570102]
[2021-06-13 07:34:55,026 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-13 07:34:55,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-13 07:34:55,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-13 07:34:55,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-13 07:34:55,027 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 85
[2021-06-13 07:34:55,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 86 transitions, 374 flow. Second operand has 7 states, 7 states have (on average 73.14285714285714) internal successors, (512), 7 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:55,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-06-13 07:34:55,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 85
[2021-06-13 07:34:55,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-06-13 07:34:55,143 INFO L129 PetriNetUnfolder]: 47/253 cut-off events.
[2021-06-13 07:34:55,144 INFO L130 PetriNetUnfolder]: For 543/593 co-relation queries the response was YES.
[2021-06-13 07:34:55,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 750 conditions, 253 events. 47/253 cut-off events. For 543/593 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1289 event pairs, 0 based on Foata normal form. 31/277 useless extension candidates. Maximal degree in co-relation 676. Up to 42 conditions per place.
[2021-06-13 07:34:55,145 INFO L132 encePairwiseOnDemand]: 76/85 looper letters, 11 selfloop transitions, 13 changer transitions 17/104 dead transitions.
[2021-06-13 07:34:55,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 104 transitions, 534 flow
[2021-06-13 07:34:55,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-06-13 07:34:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-06-13 07:34:55,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 970 transitions.
[2021-06-13 07:34:55,146 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8778280542986425
[2021-06-13 07:34:55,147 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 970 transitions.
[2021-06-13 07:34:55,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 970 transitions.
[2021-06-13 07:34:55,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-06-13 07:34:55,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 970 transitions.
[2021-06-13 07:34:55,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 74.61538461538461) internal successors, (970), 13 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:55,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 85.0) internal successors, (1190), 14 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:55,150 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 85.0) internal successors, (1190), 14 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:55,150 INFO L185 Difference]: Start difference. First operand has 118 places, 86 transitions, 374 flow. Second operand 13 states and 970 transitions.
[2021-06-13 07:34:55,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 104 transitions, 534 flow
[2021-06-13 07:34:55,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 104 transitions, 453 flow, removed 36 selfloop flow, removed 15 redundant places.
[2021-06-13 07:34:55,152 INFO L241 Difference]: Finished difference. Result has 122 places, 84 transitions, 338 flow
[2021-06-13 07:34:55,153 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=338, PETRI_PLACES=122, PETRI_TRANSITIONS=84}
[2021-06-13 07:34:55,153 INFO L335 CegarLoopForPetriNet]: 79 programPoint places, 43 predicate places.
[2021-06-13 07:34:55,153 INFO L482 AbstractCegarLoop]: Abstraction has has 122 places, 84 transitions, 338 flow
[2021-06-13 07:34:55,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 73.14285714285714) internal successors, (512), 7 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-13 07:34:55,153 INFO L247 CegarLoopForPetriNet]: Found error trace
[2021-06-13 07:34:55,154 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-13 07:34:55,154 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-06-13 07:34:55,154 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-13 07:34:55,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-13 07:34:55,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1649661772, now seen corresponding path program 1 times
[2021-06-13 07:34:55,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-13 07:34:55,154 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855969673]
[2021-06-13 07:34:55,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-13 07:34:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-06-13 07:34:55,175 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-06-13 07:34:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-06-13 07:34:55,196 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-06-13 07:34:55,229 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-06-13 07:34:55,229 INFO L573 BasicCegarLoop]: Counterexample might be feasible
[2021-06-13 07:34:55,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-06-13 07:34:55,230 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (3/3)
[2021-06-13 07:34:55,231 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-06-13 07:34:55,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 07:34:55 BasicIcfg
[2021-06-13 07:34:55,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-13 07:34:55,309 INFO L168 Benchmark]: Toolchain (without parser) took 8841.87 ms. Allocated memory was 206.6 MB in the beginning and 399.5 MB in the end (delta: 192.9 MB). Free memory was 169.2 MB in the beginning and 161.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 201.7 MB. Max. memory is 8.0 GB.
[2021-06-13 07:34:55,309 INFO L168 Benchmark]: CDTParser took 0.08 ms. Allocated memory is still 206.6 MB. Free memory is still 187.1 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-06-13 07:34:55,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.15 ms. Allocated memory is still 206.6 MB. Free memory was 169.0 MB in the beginning and 164.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB.
[2021-06-13 07:34:55,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.75 ms. Allocated memory is still 206.6 MB. Free memory was 164.7 MB in the beginning and 162.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-06-13 07:34:55,310 INFO L168 Benchmark]: Boogie Preprocessor took 44.19 ms. Allocated memory is still 206.6 MB. Free memory was 162.1 MB in the beginning and 160.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-06-13 07:34:55,310 INFO L168 Benchmark]: RCFGBuilder took 1157.93 ms. Allocated memory is still 206.6 MB. Free memory was 160.0 MB in the beginning and 76.6 MB in the end (delta: 83.4 MB). Peak memory consumption was 95.5 MB. Max. memory is 8.0 GB.
[2021-06-13 07:34:55,310 INFO L168 Benchmark]: TraceAbstraction took 7184.08 ms. Allocated memory was 206.6 MB in the beginning and 399.5 MB in the end (delta: 192.9 MB). Free memory was 76.1 MB in the beginning and 161.8 MB in the end (delta: -85.8 MB). Peak memory consumption was 107.6 MB. Max. memory is 8.0 GB.
[2021-06-13 07:34:55,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.08 ms. Allocated memory is still 206.6 MB. Free memory is still 187.1 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 414.15 ms. Allocated memory is still 206.6 MB. Free memory was 169.0 MB in the beginning and 164.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB.
* Boogie Procedure Inliner took 35.75 ms. Allocated memory is still 206.6 MB. Free memory was 164.7 MB in the beginning and 162.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 44.19 ms. Allocated memory is still 206.6 MB. Free memory was 162.1 MB in the beginning and 160.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 1157.93 ms. Allocated memory is still 206.6 MB. Free memory was 160.0 MB in the beginning and 76.6 MB in the end (delta: 83.4 MB). Peak memory consumption was 95.5 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 7184.08 ms. Allocated memory was 206.6 MB in the beginning and 399.5 MB in the end (delta: 192.9 MB). Free memory was 76.1 MB in the beginning and 161.8 MB in the end (delta: -85.8 MB). Peak memory consumption was 107.6 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 18]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- CounterExampleResult [Line: 18]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L708] 0 int __unbuffered_cnt = 0;
VAL [__unbuffered_cnt=0]
[L709] 0 _Bool main$tmp_guard0;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0]
[L710] 0 _Bool main$tmp_guard1;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0]
[L712] 0 int x = 0;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0]
[L713] 0 _Bool x$flush_delayed;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0]
[L714] 0 int x$mem_tmp;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0]
[L715] 0 _Bool x$r_buff0_thd0;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0]
[L716] 0 _Bool x$r_buff0_thd1;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0]
[L717] 0 _Bool x$r_buff0_thd2;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0]
[L718] 0 _Bool x$r_buff1_thd0;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0]
[L719] 0 _Bool x$r_buff1_thd1;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0]
[L720] 0 _Bool x$r_buff1_thd2;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0]
[L721] 0 _Bool x$read_delayed;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0]
[L722] 0 int *x$read_delayed_var;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}]
[L723] 0 int x$w_buff0;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0]
[L724] 0 _Bool x$w_buff0_used;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0]
[L725] 0 int x$w_buff1;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0]
[L726] 0 _Bool x$w_buff1_used;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0]
[L728] 0 int y = 0;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L729] 0 _Bool weak$$choice0;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L730] 0 _Bool weak$$choice2;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L790] 0 pthread_t t2475;
VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L791] FCALL, FORK 0 pthread_create(&t2475, ((void *)0), P0, ((void *)0))
VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L792] 0 pthread_t t2476;
VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L793] FCALL, FORK 0 pthread_create(&t2476, ((void *)0), P1, ((void *)0))
VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L754] 2 x$w_buff1 = x$w_buff0
[L755] 2 x$w_buff0 = 2
[L756] 2 x$w_buff1_used = x$w_buff0_used
[L757] 2 x$w_buff0_used = (_Bool)1
[L18] COND FALSE 2 !(!expression)
[L759] 2 x$r_buff1_thd0 = x$r_buff0_thd0
[L760] 2 x$r_buff1_thd1 = x$r_buff0_thd1
[L761] 2 x$r_buff1_thd2 = x$r_buff0_thd2
[L762] 2 x$r_buff0_thd2 = (_Bool)1
VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L765] 2 y = 1
VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1]
[L734] 1 y = 2
VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L737] 1 x = 1
VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L768] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)
[L768] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)
[L769] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L769] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L770] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used
[L770] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used
[L771] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L771] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L772] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2
[L772] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2
[L740] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x)
[L740] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x
[L740] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x)
[L740] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x)
[L741] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used
[L741] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used
[L742] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used
[L742] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used
[L743] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1
[L743] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1
[L744] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1
[L744] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1
[L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [__unbuffered_cnt=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L747] 1 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [__unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L795] 0 main$tmp_guard0 = __unbuffered_cnt == 2
VAL [__unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L3] COND FALSE 0 !(!cond)
VAL [__unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L799] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L799] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x
[L799] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L799] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L800] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L800] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L801] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used
[L801] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used
[L802] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L802] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L803] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0
[L803] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0
[L806] 0 weak$$choice0 = __VERIFIER_nondet_bool()
[L807] 0 weak$$choice2 = __VERIFIER_nondet_bool()
[L808] 0 x$flush_delayed = weak$$choice2
[L809] 0 x$mem_tmp = x
[L810] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1)
[L810] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1)
[L811] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0))
[L811] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)
[L811] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0))
[L811] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0))
[L812] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1))
[L812] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)
[L812] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1))
[L812] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1))
[L813] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used))
[L813] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)
[L813] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used))
[L813] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used))
[L814] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L814] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)
[L814] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L814] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L815] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0))
[L815] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)
[L815] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0))
[L815] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0))
[L816] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L816] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)
[L816] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L816] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0))
[L817] 0 main$tmp_guard1 = !(x == 2 && y == 2)
[L818] EXPR 0 x$flush_delayed ? x$mem_tmp : x
[L818] 0 x = x$flush_delayed ? x$mem_tmp : x
[L819] 0 x$flush_delayed = (_Bool)0
VAL [__unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L18] COND TRUE 0 !expression
VAL [__unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L18] 0 reach_error()
VAL [__unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1 with 1 thread instances
CFG has 5 procedures, 103 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 36.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 32.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork0 with 1 thread instances
CFG has 5 procedures, 103 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 320.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 78.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 7.4ms SsaConstructionTime, 29.4ms SatisfiabilityAnalysisTime, 76.8ms InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 103 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 6663.3ms, OverallIterations: 16, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4211.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 200 SDtfs, 702 SDslu, 806 SDs, 0 SdLazy, 1446 SolverSat, 347 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1091.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 2488.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=691occurred in iteration=9, InterpolantAutomatonStates: 211, 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: 38.7ms SsaConstructionTime, 433.7ms SatisfiabilityAnalysisTime, 1814.1ms InterpolantComputationTime, 973 NumberOfCodeBlocks, 973 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 892 ConstructedInterpolants, 0 QuantifiedInterpolants, 6622 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...