/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread/sync01.i


--------------------------------------------------------------------------------


This is Ultimate 0.1.25-b981219
[2020-04-18 16:09:39,175 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-04-18 16:09:39,178 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-18 16:09:39,197 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-18 16:09:39,197 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-18 16:09:39,200 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-18 16:09:39,201 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-18 16:09:39,211 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-18 16:09:39,215 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-18 16:09:39,218 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-04-18 16:09:39,220 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-04-18 16:09:39,222 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-18 16:09:39,222 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-18 16:09:39,224 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-18 16:09:39,226 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-18 16:09:39,228 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-18 16:09:39,229 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-18 16:09:39,230 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-18 16:09:39,232 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-18 16:09:39,236 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-18 16:09:39,241 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-18 16:09:39,245 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-18 16:09:39,246 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-04-18 16:09:39,247 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-18 16:09:39,249 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-18 16:09:39,249 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-18 16:09:39,249 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-18 16:09:39,251 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-18 16:09:39,252 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-18 16:09:39,253 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-18 16:09:39,253 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-18 16:09:39,254 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-18 16:09:39,255 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-04-18 16:09:39,256 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-04-18 16:09:39,257 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-18 16:09:39,257 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-04-18 16:09:39,257 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-04-18 16:09:39,258 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-04-18 16:09:39,258 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-04-18 16:09:39,259 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-04-18 16:09:39,259 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-04-18 16:09:39,260 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-FA-NoLbe-McrStrategy.epf
[2020-04-18 16:09:39,277 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-04-18 16:09:39,277 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-18 16:09:39,279 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-18 16:09:39,279 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-04-18 16:09:39,279 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-04-18 16:09:39,279 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-18 16:09:39,280 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-04-18 16:09:39,280 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-04-18 16:09:39,280 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-04-18 16:09:39,280 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-04-18 16:09:39,280 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-04-18 16:09:39,280 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-18 16:09:39,281 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-04-18 16:09:39,281 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-04-18 16:09:39,281 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-04-18 16:09:39,281 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-04-18 16:09:39,281 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-04-18 16:09:39,282 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-18 16:09:39,282 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-04-18 16:09:39,282 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-04-18 16:09:39,282 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-04-18 16:09:39,282 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 16:09:39,283 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-18 16:09:39,283 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-04-18 16:09:39,283 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-18 16:09:39,283 INFO  L138        SettingsManager]:  * Trace refinement strategy=MCR
[2020-04-18 16:09:39,283 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-18 16:09:39,284 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2020-04-18 16:09:39,284 INFO  L138        SettingsManager]:  * Trace refinement strategy used in MCR=CAMEL
[2020-04-18 16:09:39,284 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-18 16:09:39,284 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-18 16:09:39,572 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-18 16:09:39,584 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-18 16:09:39,588 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-18 16:09:39,589 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-04-18 16:09:39,590 INFO  L275        PluginConnector]: CDTParser initialized
[2020-04-18 16:09:39,591 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i
[2020-04-18 16:09:39,653 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2041988e/b52fb9cbfc8f40d39bcccd3d8ce8c4ad/FLAGf17920af6
[2020-04-18 16:09:40,211 INFO  L306              CDTParser]: Found 1 translation units.
[2020-04-18 16:09:40,216 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i
[2020-04-18 16:09:40,231 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2041988e/b52fb9cbfc8f40d39bcccd3d8ce8c4ad/FLAGf17920af6
[2020-04-18 16:09:40,454 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2041988e/b52fb9cbfc8f40d39bcccd3d8ce8c4ad
[2020-04-18 16:09:40,463 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-18 16:09:40,486 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-18 16:09:40,488 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-18 16:09:40,488 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-18 16:09:40,491 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-18 16:09:40,492 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:09:40" (1/1) ...
[2020-04-18 16:09:40,496 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b43a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:40, skipping insertion in model container
[2020-04-18 16:09:40,496 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:09:40" (1/1) ...
[2020-04-18 16:09:40,504 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-04-18 16:09:40,554 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-04-18 16:09:41,237 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-04-18 16:09:41,256 INFO  L203         MainTranslator]: Completed pre-run
[2020-04-18 16:09:41,299 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-04-18 16:09:41,441 INFO  L208         MainTranslator]: Completed translation
[2020-04-18 16:09:41,441 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41 WrapperNode
[2020-04-18 16:09:41,442 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-18 16:09:41,443 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-18 16:09:41,443 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-18 16:09:41,443 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-18 16:09:41,455 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41" (1/1) ...
[2020-04-18 16:09:41,486 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41" (1/1) ...
[2020-04-18 16:09:41,522 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-18 16:09:41,523 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-18 16:09:41,523 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-18 16:09:41,523 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-04-18 16:09:41,534 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41" (1/1) ...
[2020-04-18 16:09:41,534 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41" (1/1) ...
[2020-04-18 16:09:41,550 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41" (1/1) ...
[2020-04-18 16:09:41,551 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41" (1/1) ...
[2020-04-18 16:09:41,565 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41" (1/1) ...
[2020-04-18 16:09:41,571 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41" (1/1) ...
[2020-04-18 16:09:41,574 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41" (1/1) ...
[2020-04-18 16:09:41,579 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-18 16:09:41,579 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-18 16:09:41,579 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-04-18 16:09:41,580 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-04-18 16:09:41,581 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41" (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
[2020-04-18 16:09:41,647 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-18 16:09:41,647 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-18 16:09:41,647 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-04-18 16:09:41,648 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2020-04-18 16:09:41,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2020-04-18 16:09:41,648 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2020-04-18 16:09:41,648 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2020-04-18 16:09:41,648 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-04-18 16:09:41,649 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2020-04-18 16:09:41,649 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-04-18 16:09:41,649 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-18 16:09:41,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-18 16:09:41,651 WARN  L205             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-04-18 16:09:42,091 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-18 16:09:42,091 INFO  L295             CfgBuilder]: Removed 6 assume(true) statements.
[2020-04-18 16:09:42,095 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:09:42 BoogieIcfgContainer
[2020-04-18 16:09:42,095 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-18 16:09:42,097 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-18 16:09:42,097 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-04-18 16:09:42,100 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-04-18 16:09:42,100 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:09:40" (1/3) ...
[2020-04-18 16:09:42,101 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c17e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:09:42, skipping insertion in model container
[2020-04-18 16:09:42,102 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:09:41" (2/3) ...
[2020-04-18 16:09:42,102 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c17e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:09:42, skipping insertion in model container
[2020-04-18 16:09:42,103 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:09:42" (3/3) ...
[2020-04-18 16:09:42,104 INFO  L109   eAbstractionObserver]: Analyzing ICFG sync01.i
[2020-04-18 16:09:42,115 WARN  L146   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-18 16:09:42,115 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-18 16:09:42,122 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-18 16:09:42,123 INFO  L340   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-18 16:09:42,150 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,150 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,150 WARN  L315   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,151 WARN  L315   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,151 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,151 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,152 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,152 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,152 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,153 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,153 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,153 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,153 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,154 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,154 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,154 WARN  L315   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,155 WARN  L315   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,155 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,155 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,156 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,156 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,156 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,156 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,157 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,157 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,157 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,161 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,161 WARN  L315   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,162 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,162 WARN  L315   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,162 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,162 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,163 WARN  L315   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,168 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,169 WARN  L315   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,169 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,169 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,169 WARN  L315   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,170 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,170 WARN  L315   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 16:09:42,207 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2020-04-18 16:09:42,223 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-04-18 16:09:42,223 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-04-18 16:09:42,223 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-18 16:09:42,224 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-18 16:09:42,224 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-18 16:09:42,224 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-04-18 16:09:42,224 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-18 16:09:42,224 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-18 16:09:42,237 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 91 transitions, 204 flow
[2020-04-18 16:09:42,288 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 762 states.
[2020-04-18 16:09:42,291 INFO  L276                IsEmpty]: Start isEmpty. Operand 762 states.
[2020-04-18 16:09:42,320 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-04-18 16:09:42,320 INFO  L417         BasicCegarLoop]: Found error trace
[2020-04-18 16:09:42,321 INFO  L425         BasicCegarLoop]: 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, 1, 1]
[2020-04-18 16:09:42,322 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 16:09:42,328 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 16:09:42,329 INFO  L82        PathProgramCache]: Analyzing trace with hash -624029613, now seen corresponding path program 1 times
[2020-04-18 16:09:42,336 INFO  L163   FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 16:09:42,337 INFO  L354   FreeRefinementEngine]: Using trace check StrategyModuleMcr [1357378806]
[2020-04-18 16:09:42,370 INFO  L256    McrAutomatonBuilder]: Started intersection.
[2020-04-18 16:09:42,432 INFO  L259    McrAutomatonBuilder]: Finished intersection with 469 states and 1068 transitions.
[2020-04-18 16:09:42,440 INFO  L276                IsEmpty]: Start isEmpty. Operand 469 states.
[2020-04-18 16:09:42,443 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-04-18 16:09:42,444 INFO  L105                    Mcr]: ---- MCR iteration 0 ----
[2020-04-18 16:09:42,444 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 16:09:42,444 INFO  L82        PathProgramCache]: Analyzing trace with hash -624029613, now seen corresponding path program 2 times
[2020-04-18 16:09:42,448 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 16:09:42,449 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108094011]
[2020-04-18 16:09:42,449 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 16:09:42,585 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 16:09:42,690 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 16:09:42,691 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108094011]
[2020-04-18 16:09:42,693 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 16:09:42,694 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 16:09:42,695 INFO  L201    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 16:09:42,727 INFO  L256    McrAutomatonBuilder]: Started intersection.
[2020-04-18 16:09:42,963 INFO  L259    McrAutomatonBuilder]: Finished intersection with 226 states and 442 transitions.
[2020-04-18 16:09:42,963 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 16:09:42,995 INFO  L356    McrAutomatonBuilder]: Construction finished. Needed to calculate wp 3 times.
[2020-04-18 16:09:42,999 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 16:09:43,000 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 16:09:43,002 INFO  L87              Difference]: Start difference. First operand 469 states. Second operand 3 states.
[2020-04-18 16:09:43,035 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 16:09:43,036 INFO  L93              Difference]: Finished difference Result 469 states and 1068 transitions.
[2020-04-18 16:09:43,036 INFO  L276                IsEmpty]: Start isEmpty. Operand 469 states and 1068 transitions.
[2020-04-18 16:09:43,041 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 16:09:43,043 INFO  L354   FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1357378806]
[2020-04-18 16:09:43,044 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 16:09:43,044 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2
[2020-04-18 16:09:43,045 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1357378806]
[2020-04-18 16:09:43,048 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-18 16:09:43,049 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 16:09:43,053 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 16:09:43,054 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 16:09:43,054 INFO  L87              Difference]: Start difference. First operand 762 states. Second operand 3 states.
[2020-04-18 16:09:43,117 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 16:09:43,118 INFO  L93              Difference]: Finished difference Result 570 states and 1213 transitions.
[2020-04-18 16:09:43,118 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-04-18 16:09:43,120 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 68
[2020-04-18 16:09:43,120 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 16:09:43,135 INFO  L225             Difference]: With dead ends: 570
[2020-04-18 16:09:43,136 INFO  L226             Difference]: Without dead ends: 562
[2020-04-18 16:09:43,138 INFO  L678         BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 16:09:43,160 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 562 states.
[2020-04-18 16:09:43,242 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562.
[2020-04-18 16:09:43,247 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 562 states.
[2020-04-18 16:09:43,249 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1205 transitions.
[2020-04-18 16:09:43,251 INFO  L78                 Accepts]: Start accepts. Automaton has 562 states and 1205 transitions. Word has length 68
[2020-04-18 16:09:43,252 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-04-18 16:09:43,252 INFO  L479      AbstractCegarLoop]: Abstraction has 562 states and 1205 transitions.
[2020-04-18 16:09:43,253 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-18 16:09:43,253 INFO  L276                IsEmpty]: Start isEmpty. Operand 562 states and 1205 transitions.
[2020-04-18 16:09:43,256 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-04-18 16:09:43,257 INFO  L417         BasicCegarLoop]: Found error trace
[2020-04-18 16:09:43,257 INFO  L425         BasicCegarLoop]: 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, 1, 1]
[2020-04-18 16:09:43,257 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 16:09:43,257 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 16:09:43,258 INFO  L82        PathProgramCache]: Analyzing trace with hash -1809399259, now seen corresponding path program 1 times
[2020-04-18 16:09:43,258 INFO  L163   FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 16:09:43,258 INFO  L354   FreeRefinementEngine]: Using trace check StrategyModuleMcr [486632420]
[2020-04-18 16:09:43,263 INFO  L256    McrAutomatonBuilder]: Started intersection.
[2020-04-18 16:09:43,302 INFO  L259    McrAutomatonBuilder]: Finished intersection with 469 states and 1068 transitions.
[2020-04-18 16:09:43,305 INFO  L276                IsEmpty]: Start isEmpty. Operand 469 states.
[2020-04-18 16:09:43,308 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-04-18 16:09:43,308 INFO  L105                    Mcr]: ---- MCR iteration 0 ----
[2020-04-18 16:09:43,309 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 16:09:43,309 INFO  L82        PathProgramCache]: Analyzing trace with hash -257028087, now seen corresponding path program 2 times
[2020-04-18 16:09:43,309 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 16:09:43,310 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659375689]
[2020-04-18 16:09:43,310 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 16:09:43,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 16:09:43,490 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 16:09:43,490 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659375689]
[2020-04-18 16:09:43,491 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 16:09:43,491 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 16:09:43,491 INFO  L201    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 16:09:43,506 INFO  L256    McrAutomatonBuilder]: Started intersection.
[2020-04-18 16:09:43,955 INFO  L259    McrAutomatonBuilder]: Finished intersection with 226 states and 442 transitions.
[2020-04-18 16:09:43,956 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 16:09:43,972 INFO  L356    McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times.
[2020-04-18 16:09:43,972 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 16:09:43,973 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 16:09:43,973 INFO  L87              Difference]: Start difference. First operand 469 states. Second operand 4 states.
[2020-04-18 16:09:44,000 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 16:09:44,001 INFO  L93              Difference]: Finished difference Result 599 states and 1355 transitions.
[2020-04-18 16:09:44,001 INFO  L276                IsEmpty]: Start isEmpty. Operand 599 states and 1355 transitions.
[2020-04-18 16:09:44,003 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-04-18 16:09:44,003 INFO  L105                    Mcr]: ---- MCR iteration 1 ----
[2020-04-18 16:09:44,003 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 16:09:44,003 INFO  L82        PathProgramCache]: Analyzing trace with hash -942225913, now seen corresponding path program 3 times
[2020-04-18 16:09:44,004 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 16:09:44,004 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131717922]
[2020-04-18 16:09:44,004 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 16:09:44,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 16:09:44,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 16:09:44,138 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131717922]
[2020-04-18 16:09:44,138 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 16:09:44,138 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-04-18 16:09:44,139 INFO  L201    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 16:09:44,154 INFO  L256    McrAutomatonBuilder]: Started intersection.
[2020-04-18 16:09:44,309 INFO  L259    McrAutomatonBuilder]: Finished intersection with 262 states and 538 transitions.
[2020-04-18 16:09:44,309 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 16:09:44,367 INFO  L356    McrAutomatonBuilder]: Construction finished. Needed to calculate wp 5 times.
[2020-04-18 16:09:44,367 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 16:09:44,368 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-04-18 16:09:44,368 INFO  L87              Difference]: Start difference. First operand 599 states and 1355 transitions. Second operand 6 states.
[2020-04-18 16:09:44,470 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 16:09:44,470 INFO  L93              Difference]: Finished difference Result 711 states and 1590 transitions.
[2020-04-18 16:09:44,471 INFO  L276                IsEmpty]: Start isEmpty. Operand 711 states and 1590 transitions.
[2020-04-18 16:09:44,473 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-04-18 16:09:44,473 INFO  L105                    Mcr]: ---- MCR iteration 2 ----
[2020-04-18 16:09:44,473 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 16:09:44,473 INFO  L82        PathProgramCache]: Analyzing trace with hash -1809399259, now seen corresponding path program 4 times
[2020-04-18 16:09:44,474 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 16:09:44,474 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847965027]
[2020-04-18 16:09:44,474 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 16:09:44,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 16:09:44,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 16:09:44,618 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847965027]
[2020-04-18 16:09:44,618 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 16:09:44,619 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 16:09:44,619 INFO  L201    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 16:09:44,635 INFO  L256    McrAutomatonBuilder]: Started intersection.
[2020-04-18 16:09:44,816 INFO  L259    McrAutomatonBuilder]: Finished intersection with 226 states and 438 transitions.
[2020-04-18 16:09:44,816 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 16:09:44,917 INFO  L356    McrAutomatonBuilder]: Construction finished. Needed to calculate wp 3 times.
[2020-04-18 16:09:44,918 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 16:09:44,918 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132
[2020-04-18 16:09:44,918 INFO  L87              Difference]: Start difference. First operand 711 states and 1590 transitions. Second operand 8 states.
[2020-04-18 16:09:45,251 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 16:09:45,251 INFO  L93              Difference]: Finished difference Result 711 states and 1590 transitions.
[2020-04-18 16:09:45,251 INFO  L276                IsEmpty]: Start isEmpty. Operand 711 states and 1590 transitions.
[2020-04-18 16:09:45,253 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 16:09:45,254 INFO  L354   FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [486632420]
[2020-04-18 16:09:45,255 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 16:09:45,255 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-04-18 16:09:45,255 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [486632420]
[2020-04-18 16:09:45,257 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-04-18 16:09:45,258 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 16:09:45,259 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-04-18 16:09:45,260 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306
[2020-04-18 16:09:45,260 INFO  L87              Difference]: Start difference. First operand 562 states and 1205 transitions. Second operand 11 states.
[2020-04-18 16:09:45,607 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 16:09:45,607 INFO  L93              Difference]: Finished difference Result 334 states and 683 transitions.
[2020-04-18 16:09:45,607 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-04-18 16:09:45,608 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 68
[2020-04-18 16:09:45,608 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 16:09:45,610 INFO  L225             Difference]: With dead ends: 334
[2020-04-18 16:09:45,610 INFO  L226             Difference]: Without dead ends: 292
[2020-04-18 16:09:45,612 INFO  L678         BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 194 SyntacticMatches, 12 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462
[2020-04-18 16:09:45,614 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 292 states.
[2020-04-18 16:09:45,620 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292.
[2020-04-18 16:09:45,621 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 292 states.
[2020-04-18 16:09:45,622 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 599 transitions.
[2020-04-18 16:09:45,622 INFO  L78                 Accepts]: Start accepts. Automaton has 292 states and 599 transitions. Word has length 68
[2020-04-18 16:09:45,623 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-04-18 16:09:45,623 INFO  L479      AbstractCegarLoop]: Abstraction has 292 states and 599 transitions.
[2020-04-18 16:09:45,623 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-04-18 16:09:45,623 INFO  L276                IsEmpty]: Start isEmpty. Operand 292 states and 599 transitions.
[2020-04-18 16:09:45,624 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-04-18 16:09:45,624 INFO  L417         BasicCegarLoop]: Found error trace
[2020-04-18 16:09:45,625 INFO  L425         BasicCegarLoop]: 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, 1, 1]
[2020-04-18 16:09:45,625 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 16:09:45,625 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 16:09:45,625 INFO  L82        PathProgramCache]: Analyzing trace with hash 1207218393, now seen corresponding path program 1 times
[2020-04-18 16:09:45,625 INFO  L163   FreeRefinementEngine]: Executing refinement strategy MCR
[2020-04-18 16:09:45,626 INFO  L354   FreeRefinementEngine]: Using trace check StrategyModuleMcr [1752143622]
[2020-04-18 16:09:45,629 INFO  L256    McrAutomatonBuilder]: Started intersection.
[2020-04-18 16:09:45,645 INFO  L259    McrAutomatonBuilder]: Finished intersection with 469 states and 1068 transitions.
[2020-04-18 16:09:45,649 INFO  L276                IsEmpty]: Start isEmpty. Operand 469 states.
[2020-04-18 16:09:45,651 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-04-18 16:09:45,651 INFO  L105                    Mcr]: ---- MCR iteration 0 ----
[2020-04-18 16:09:45,651 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 16:09:45,652 INFO  L82        PathProgramCache]: Analyzing trace with hash 1559958581, now seen corresponding path program 2 times
[2020-04-18 16:09:45,652 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 16:09:45,652 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284621396]
[2020-04-18 16:09:45,652 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 16:09:45,666 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 16:09:45,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 16:09:45,715 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284621396]
[2020-04-18 16:09:45,715 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 16:09:45,715 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 16:09:45,715 INFO  L201    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 16:09:45,731 INFO  L256    McrAutomatonBuilder]: Started intersection.
[2020-04-18 16:09:45,932 INFO  L259    McrAutomatonBuilder]: Finished intersection with 217 states and 424 transitions.
[2020-04-18 16:09:45,933 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 16:09:45,948 INFO  L356    McrAutomatonBuilder]: Construction finished. Needed to calculate wp 4 times.
[2020-04-18 16:09:45,948 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 16:09:45,948 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 16:09:45,949 INFO  L87              Difference]: Start difference. First operand 469 states. Second operand 4 states.
[2020-04-18 16:09:45,964 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 16:09:45,965 INFO  L93              Difference]: Finished difference Result 593 states and 1343 transitions.
[2020-04-18 16:09:45,965 INFO  L276                IsEmpty]: Start isEmpty. Operand 593 states and 1343 transitions.
[2020-04-18 16:09:45,967 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-04-18 16:09:45,967 INFO  L105                    Mcr]: ---- MCR iteration 1 ----
[2020-04-18 16:09:45,967 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 16:09:45,967 INFO  L82        PathProgramCache]: Analyzing trace with hash -244955657, now seen corresponding path program 3 times
[2020-04-18 16:09:45,968 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 16:09:45,968 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559599195]
[2020-04-18 16:09:45,968 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 16:09:45,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 16:09:46,064 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 16:09:46,066 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559599195]
[2020-04-18 16:09:46,066 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 16:09:46,066 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-04-18 16:09:46,067 INFO  L201    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 16:09:46,082 INFO  L256    McrAutomatonBuilder]: Started intersection.
[2020-04-18 16:09:46,200 INFO  L259    McrAutomatonBuilder]: Finished intersection with 244 states and 502 transitions.
[2020-04-18 16:09:46,200 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 16:09:46,249 INFO  L356    McrAutomatonBuilder]: Construction finished. Needed to calculate wp 5 times.
[2020-04-18 16:09:46,249 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 16:09:46,249 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-04-18 16:09:46,250 INFO  L87              Difference]: Start difference. First operand 593 states and 1343 transitions. Second operand 6 states.
[2020-04-18 16:09:46,309 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 16:09:46,310 INFO  L93              Difference]: Finished difference Result 687 states and 1542 transitions.
[2020-04-18 16:09:46,310 INFO  L276                IsEmpty]: Start isEmpty. Operand 687 states and 1542 transitions.
[2020-04-18 16:09:46,312 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-04-18 16:09:46,312 INFO  L105                    Mcr]: ---- MCR iteration 2 ----
[2020-04-18 16:09:46,312 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 16:09:46,313 INFO  L82        PathProgramCache]: Analyzing trace with hash 1207218393, now seen corresponding path program 4 times
[2020-04-18 16:09:46,313 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 16:09:46,314 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497527721]
[2020-04-18 16:09:46,314 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 16:09:46,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 16:09:46,457 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 16:09:46,458 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497527721]
[2020-04-18 16:09:46,459 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 16:09:46,459 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 16:09:46,460 INFO  L201    McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-04-18 16:09:46,495 INFO  L256    McrAutomatonBuilder]: Started intersection.
[2020-04-18 16:09:46,597 INFO  L259    McrAutomatonBuilder]: Finished intersection with 202 states and 390 transitions.
[2020-04-18 16:09:46,597 INFO  L282    McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton.
[2020-04-18 16:09:46,695 INFO  L356    McrAutomatonBuilder]: Construction finished. Needed to calculate wp 16 times.
[2020-04-18 16:09:46,696 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 16:09:46,696 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2020-04-18 16:09:46,696 INFO  L87              Difference]: Start difference. First operand 687 states and 1542 transitions. Second operand 7 states.
[2020-04-18 16:09:46,820 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 16:09:46,820 INFO  L93              Difference]: Finished difference Result 687 states and 1542 transitions.
[2020-04-18 16:09:46,820 INFO  L276                IsEmpty]: Start isEmpty. Operand 687 states and 1542 transitions.
[2020-04-18 16:09:46,822 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 16:09:46,823 INFO  L354   FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1752143622]
[2020-04-18 16:09:46,824 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-04-18 16:09:46,824 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-04-18 16:09:46,824 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1752143622]
[2020-04-18 16:09:46,824 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-04-18 16:09:46,825 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR
[2020-04-18 16:09:46,825 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-04-18 16:09:46,825 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240
[2020-04-18 16:09:46,825 INFO  L87              Difference]: Start difference. First operand 292 states and 599 transitions. Second operand 9 states.
[2020-04-18 16:09:47,010 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 16:09:47,011 INFO  L93              Difference]: Finished difference Result 281 states and 567 transitions.
[2020-04-18 16:09:47,016 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-04-18 16:09:47,016 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 68
[2020-04-18 16:09:47,017 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 16:09:47,017 INFO  L225             Difference]: With dead ends: 281
[2020-04-18 16:09:47,017 INFO  L226             Difference]: Without dead ends: 0
[2020-04-18 16:09:47,018 INFO  L678         BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 186 SyntacticMatches, 34 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506
[2020-04-18 16:09:47,018 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-18 16:09:47,018 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-18 16:09:47,018 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-18 16:09:47,018 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-18 16:09:47,018 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68
[2020-04-18 16:09:47,019 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-04-18 16:09:47,019 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-18 16:09:47,019 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-04-18 16:09:47,019 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-18 16:09:47,019 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 16:09:47,024 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:09:47 BasicIcfg
[2020-04-18 16:09:47,025 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-18 16:09:47,029 INFO  L168              Benchmark]: Toolchain (without parser) took 6561.62 ms. Allocated memory was 144.7 MB in the beginning and 554.7 MB in the end (delta: 410.0 MB). Free memory was 100.8 MB in the beginning and 281.3 MB in the end (delta: -180.4 MB). Peak memory consumption was 229.5 MB. Max. memory is 7.1 GB.
[2020-04-18 16:09:47,031 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-04-18 16:09:47,032 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 954.71 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.0 MB in the beginning and 137.8 MB in the end (delta: -38.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB.
[2020-04-18 16:09:47,033 INFO  L168              Benchmark]: Boogie Procedure Inliner took 80.07 ms. Allocated memory is still 202.4 MB. Free memory was 137.8 MB in the beginning and 135.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-04-18 16:09:47,034 INFO  L168              Benchmark]: Boogie Preprocessor took 55.98 ms. Allocated memory is still 202.4 MB. Free memory was 135.8 MB in the beginning and 133.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-04-18 16:09:47,035 INFO  L168              Benchmark]: RCFGBuilder took 516.14 ms. Allocated memory is still 202.4 MB. Free memory was 133.7 MB in the beginning and 107.1 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB.
[2020-04-18 16:09:47,040 INFO  L168              Benchmark]: TraceAbstraction took 4928.04 ms. Allocated memory was 202.4 MB in the beginning and 554.7 MB in the end (delta: 352.3 MB). Free memory was 107.1 MB in the beginning and 281.3 MB in the end (delta: -174.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 7.1 GB.
[2020-04-18 16:09:47,047 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 954.71 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.0 MB in the beginning and 137.8 MB in the end (delta: -38.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 80.07 ms. Allocated memory is still 202.4 MB. Free memory was 137.8 MB in the beginning and 135.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 55.98 ms. Allocated memory is still 202.4 MB. Free memory was 135.8 MB in the beginning and 133.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 516.14 ms. Allocated memory is still 202.4 MB. Free memory was 133.7 MB in the beginning and 107.1 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 4928.04 ms. Allocated memory was 202.4 MB in the beginning and 554.7 MB in the end (delta: 352.3 MB). Free memory was 107.1 MB in the beginning and 281.3 MB in the end (delta: -174.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 947]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 277 SDtfs, 248 SDslu, 732 SDs, 0 SdLazy, 293 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 537 GetRequests, 449 SyntacticMatches, 46 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=762occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 correct!
Received shutdown request...