/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/concurrent/pthreads/distributed_search2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b09bf87
[2020-10-16 14:00:31,228 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-10-16 14:00:31,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 14:00:31,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 14:00:31,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 14:00:31,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 14:00:31,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-16 14:00:31,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-16 14:00:31,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-16 14:00:31,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-16 14:00:31,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-10-16 14:00:31,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-16 14:00:31,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-16 14:00:31,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-16 14:00:31,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-16 14:00:31,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-16 14:00:31,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 14:00:31,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 14:00:31,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 14:00:31,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 14:00:31,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 14:00:31,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 14:00:31,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 14:00:31,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-16 14:00:31,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-16 14:00:31,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-16 14:00:31,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-16 14:00:31,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-16 14:00:31,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-16 14:00:31,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-16 14:00:31,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-16 14:00:31,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-16 14:00:31,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-10-16 14:00:31,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-16 14:00:31,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-16 14:00:31,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-10-16 14:00:31,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-16 14:00:31,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-16 14:00:31,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 14:00:31,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf
[2020-10-16 14:00:31,364 INFO L113 SettingsManager]: Loading preferences was successful
[2020-10-16 14:00:31,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 14:00:31,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 14:00:31,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-10-16 14:00:31,366 INFO L138 SettingsManager]: * Use SBE=true
[2020-10-16 14:00:31,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 14:00:31,367 INFO L138 SettingsManager]: * sizeof long=4
[2020-10-16 14:00:31,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-10-16 14:00:31,367 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-10-16 14:00:31,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-10-16 14:00:31,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 14:00:31,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 14:00:31,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 14:00:31,369 INFO L138 SettingsManager]: * sizeof long double=12
[2020-10-16 14:00:31,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-10-16 14:00:31,370 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-10-16 14:00:31,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-10-16 14:00:31,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 14:00:31,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-10-16 14:00:31,371 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-10-16 14:00:31,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-10-16 14:00:31,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 14:00:31,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 14:00:31,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2020-10-16 14:00:31,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 14:00:31,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-10-16 14:00:31,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 14:00:31,372 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true
[2020-10-16 14:00:31,372 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-10-16 14:00:31,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 14:00:31,373 INFO L138 SettingsManager]: * Interpolant automaton=MCR
[2020-10-16 14:00:31,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 14:00:31,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 14:00:31,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 14:00:31,721 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-10-16 14:00:31,722 INFO L275 PluginConnector]: CDTParser initialized
[2020-10-16 14:00:31,723 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/distributed_search2.c
[2020-10-16 14:00:31,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3fe7d72aa/9a3b7ce6f4444a32b6f76cac4ab034c1/FLAGcb980d79f
[2020-10-16 14:00:32,282 INFO L306 CDTParser]: Found 1 translation units.
[2020-10-16 14:00:32,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/concurrent/pthreads/distributed_search2.c
[2020-10-16 14:00:32,283 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available.
[2020-10-16 14:00:32,283 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available.
[2020-10-16 14:00:32,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3fe7d72aa/9a3b7ce6f4444a32b6f76cac4ab034c1/FLAGcb980d79f
[2020-10-16 14:00:32,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3fe7d72aa/9a3b7ce6f4444a32b6f76cac4ab034c1
[2020-10-16 14:00:32,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 14:00:32,653 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 14:00:32,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 14:00:32,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 14:00:32,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 14:00:32,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:00:32" (1/1) ...
[2020-10-16 14:00:32,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31daa23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:32, skipping insertion in model container
[2020-10-16 14:00:32,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:00:32" (1/1) ...
[2020-10-16 14:00:32,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-10-16 14:00:32,697 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-10-16 14:00:32,970 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-16 14:00:32,978 INFO L203 MainTranslator]: Completed pre-run
[2020-10-16 14:00:33,001 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-10-16 14:00:33,014 INFO L208 MainTranslator]: Completed translation
[2020-10-16 14:00:33,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33 WrapperNode
[2020-10-16 14:00:33,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 14:00:33,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 14:00:33,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 14:00:33,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 14:00:33,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33" (1/1) ...
[2020-10-16 14:00:33,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33" (1/1) ...
[2020-10-16 14:00:33,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 14:00:33,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 14:00:33,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 14:00:33,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 14:00:33,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33" (1/1) ...
[2020-10-16 14:00:33,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33" (1/1) ...
[2020-10-16 14:00:33,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33" (1/1) ...
[2020-10-16 14:00:33,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33" (1/1) ...
[2020-10-16 14:00:33,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33" (1/1) ...
[2020-10-16 14:00:33,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33" (1/1) ...
[2020-10-16 14:00:33,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33" (1/1) ...
[2020-10-16 14:00:33,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 14:00:33,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 14:00:33,087 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 14:00:33,087 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-10-16 14:00:33,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-10-16 14:00:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 14:00:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure search_worker
[2020-10-16 14:00:33,166 INFO L138 BoogieDeclarations]: Found implementation of procedure search_worker
[2020-10-16 14:00:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 14:00:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 14:00:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-16 14:00:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-10-16 14:00:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 14:00:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 14:00:33,173 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-10-16 14:00:33,582 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 14:00:33,583 INFO L298 CfgBuilder]: Removed 7 assume(true) statements.
[2020-10-16 14:00:33,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:00:33 BoogieIcfgContainer
[2020-10-16 14:00:33,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 14:00:33,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 14:00:33,588 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 14:00:33,592 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-10-16 14:00:33,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:00:32" (1/3) ...
[2020-10-16 14:00:33,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464ecd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:00:33, skipping insertion in model container
[2020-10-16 14:00:33,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:00:33" (2/3) ...
[2020-10-16 14:00:33,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464ecd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:00:33, skipping insertion in model container
[2020-10-16 14:00:33,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:00:33" (3/3) ...
[2020-10-16 14:00:33,598 INFO L111 eAbstractionObserver]: Analyzing ICFG distributed_search2.c
[2020-10-16 14:00:33,611 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 14:00:33,612 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-16 14:00:33,624 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-10-16 14:00:33,625 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 14:00:33,710 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,711 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,711 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,711 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,712 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,712 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,712 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,712 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,713 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,715 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,715 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,716 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,716 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,716 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,717 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,717 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,718 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,718 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,719 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,719 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,719 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,719 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,720 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,720 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,720 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,721 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,721 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,721 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,721 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,722 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,722 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,722 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,723 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,723 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,724 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,724 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,725 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,726 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,727 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,727 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,728 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,728 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#in~params.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,728 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,729 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,729 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,730 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,730 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,730 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,730 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,731 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,731 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,732 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,732 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,732 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,733 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,733 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,733 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,734 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,734 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,734 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,735 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,735 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,735 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,735 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,736 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,736 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,736 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,736 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,737 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,737 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,738 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,744 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,745 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,745 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,746 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,746 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,746 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,746 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,747 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,747 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,755 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,756 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,756 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,756 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,757 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,757 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,758 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,759 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,762 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,763 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,763 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,763 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,763 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork0_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,773 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,773 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,773 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,774 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,774 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,774 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,774 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,775 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,775 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~params.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,775 WARN L313 ript$VariableManager]: TermVariabe |search_workerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,775 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~bounds~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,776 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~lower~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,776 WARN L313 ript$VariableManager]: TermVariabe search_workerThread1of1ForFork1_~upper~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 14:00:33,794 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2020-10-16 14:00:33,810 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2020-10-16 14:00:33,836 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2020-10-16 14:00:33,836 INFO L378 AbstractCegarLoop]: Hoare is true
[2020-10-16 14:00:33,836 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-16 14:00:33,837 INFO L380 AbstractCegarLoop]: Backedges is MCR
[2020-10-16 14:00:33,837 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 14:00:33,837 INFO L382 AbstractCegarLoop]: Difference is false
[2020-10-16 14:00:33,837 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 14:00:33,837 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 14:00:33,862 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2020-10-16 14:00:33,863 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 138 transitions, 298 flow
[2020-10-16 14:00:33,865 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 138 transitions, 298 flow
[2020-10-16 14:00:33,866 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 135 places, 138 transitions, 298 flow
[2020-10-16 14:00:33,952 INFO L129 PetriNetUnfolder]: 9/138 cut-off events.
[2020-10-16 14:00:33,953 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2020-10-16 14:00:33,964 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 9/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 159 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 71. Up to 3 conditions per place.
[2020-10-16 14:00:33,971 INFO L117 LiptonReduction]: Number of co-enabled transitions 1920
[2020-10-16 14:00:36,028 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 87
[2020-10-16 14:00:36,163 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 83
[2020-10-16 14:00:36,551 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55
[2020-10-16 14:00:36,924 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 81
[2020-10-16 14:00:36,933 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 11, 1] term
[2020-10-16 14:00:36,933 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 14:00:36,935 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 14:00:36,941 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-10-16 14:00:37,475 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 119
[2020-10-16 14:00:37,665 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 107
[2020-10-16 14:00:37,908 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 114
[2020-10-16 14:00:38,150 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 112
[2020-10-16 14:00:38,158 INFO L132 LiptonReduction]: Checked pairs total: 4237
[2020-10-16 14:00:38,158 INFO L134 LiptonReduction]: Total number of compositions: 125
[2020-10-16 14:00:38,165 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 30 transitions, 82 flow
[2020-10-16 14:00:38,184 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 126 states.
[2020-10-16 14:00:38,186 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states.
[2020-10-16 14:00:38,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2020-10-16 14:00:38,196 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 14:00:38,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 14:00:38,198 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2020-10-16 14:00:38,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 14:00:38,204 INFO L82 PathProgramCache]: Analyzing trace with hash -878946956, now seen corresponding path program 1 times
[2020-10-16 14:00:38,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 14:00:38,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954718106]
[2020-10-16 14:00:38,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 14:00:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 14:00:38,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:38,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954718106]
[2020-10-16 14:00:38,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 14:00:38,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 14:00:38,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1753892226]
[2020-10-16 14:00:38,502 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 14:00:38,513 INFO L255 McrAutomatonBuilder]: Started intersection.
[2020-10-16 14:00:38,549 INFO L258 McrAutomatonBuilder]: Finished intersection with 46 states and 80 transitions.
[2020-10-16 14:00:38,549 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 14:00:38,694 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 14:00:38,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 14:00:38,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 14:00:38,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 14:00:38,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-10-16 14:00:38,716 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 5 states.
[2020-10-16 14:00:38,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 14:00:38,834 INFO L93 Difference]: Finished difference Result 126 states and 313 transitions.
[2020-10-16 14:00:38,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-10-16 14:00:38,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16
[2020-10-16 14:00:38,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 14:00:38,849 INFO L225 Difference]: With dead ends: 126
[2020-10-16 14:00:38,849 INFO L226 Difference]: Without dead ends: 104
[2020-10-16 14:00:38,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-10-16 14:00:38,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2020-10-16 14:00:38,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104.
[2020-10-16 14:00:38,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states.
[2020-10-16 14:00:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 267 transitions.
[2020-10-16 14:00:38,941 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 267 transitions. Word has length 16
[2020-10-16 14:00:38,944 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 14:00:38,945 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 267 transitions.
[2020-10-16 14:00:38,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 14:00:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 267 transitions.
[2020-10-16 14:00:38,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2020-10-16 14:00:38,952 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 14:00:38,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 14:00:38,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 14:00:38,953 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2020-10-16 14:00:38,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 14:00:38,954 INFO L82 PathProgramCache]: Analyzing trace with hash 351436872, now seen corresponding path program 1 times
[2020-10-16 14:00:38,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 14:00:38,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803326521]
[2020-10-16 14:00:38,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 14:00:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 14:00:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:39,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803326521]
[2020-10-16 14:00:39,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 14:00:39,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 14:00:39,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2101706265]
[2020-10-16 14:00:39,117 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 14:00:39,120 INFO L255 McrAutomatonBuilder]: Started intersection.
[2020-10-16 14:00:39,128 INFO L258 McrAutomatonBuilder]: Finished intersection with 43 states and 74 transitions.
[2020-10-16 14:00:39,128 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 14:00:39,216 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 14:00:39,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 14:00:39,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 14:00:39,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 14:00:39,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 14:00:39,219 INFO L87 Difference]: Start difference. First operand 104 states and 267 transitions. Second operand 3 states.
[2020-10-16 14:00:39,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 14:00:39,245 INFO L93 Difference]: Finished difference Result 170 states and 444 transitions.
[2020-10-16 14:00:39,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-10-16 14:00:39,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16
[2020-10-16 14:00:39,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 14:00:39,248 INFO L225 Difference]: With dead ends: 170
[2020-10-16 14:00:39,248 INFO L226 Difference]: Without dead ends: 163
[2020-10-16 14:00:39,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 14:00:39,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states.
[2020-10-16 14:00:39,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 140.
[2020-10-16 14:00:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states.
[2020-10-16 14:00:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 372 transitions.
[2020-10-16 14:00:39,263 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 372 transitions. Word has length 16
[2020-10-16 14:00:39,264 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 14:00:39,264 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 372 transitions.
[2020-10-16 14:00:39,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 14:00:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 372 transitions.
[2020-10-16 14:00:39,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-10-16 14:00:39,266 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 14:00:39,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 14:00:39,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 14:00:39,267 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2020-10-16 14:00:39,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 14:00:39,267 INFO L82 PathProgramCache]: Analyzing trace with hash 443469900, now seen corresponding path program 1 times
[2020-10-16 14:00:39,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 14:00:39,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537755607]
[2020-10-16 14:00:39,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 14:00:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 14:00:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:39,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537755607]
[2020-10-16 14:00:39,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960106624]
[2020-10-16 14:00:39,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 14:00:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 14:00:39,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 29 conjunts are in the unsatisfiable core
[2020-10-16 14:00:39,617 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-10-16 14:00:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:39,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-16 14:00:39,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6
[2020-10-16 14:00:39,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1392010258]
[2020-10-16 14:00:39,659 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 14:00:39,663 INFO L255 McrAutomatonBuilder]: Started intersection.
[2020-10-16 14:00:39,676 INFO L258 McrAutomatonBuilder]: Finished intersection with 60 states and 111 transitions.
[2020-10-16 14:00:39,677 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 14:00:39,782 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 14:00:39,820 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 14:00:39,841 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 14:00:39,859 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-10-16 14:00:39,876 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [1248#(or (and (= |ULTIMATE.start_main_~#haystack~0.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~#haystack~0.base|) (* search_workerThread1of1ForFork1_~i~0 4)) ULTIMATE.start_main_~needle~0)) (not (= ~search_needle~0 (select (select |#memory_int| ~search_haystack~0.base) (+ ~search_haystack~0.offset (* search_workerThread1of1ForFork1_~i~0 4))))))]
[2020-10-16 14:00:39,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-16 14:00:39,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 14:00:39,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-16 14:00:39,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2020-10-16 14:00:39,905 INFO L87 Difference]: Start difference. First operand 140 states and 372 transitions. Second operand 6 states.
[2020-10-16 14:00:40,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 14:00:40,076 INFO L93 Difference]: Finished difference Result 202 states and 539 transitions.
[2020-10-16 14:00:40,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-10-16 14:00:40,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19
[2020-10-16 14:00:40,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 14:00:40,081 INFO L225 Difference]: With dead ends: 202
[2020-10-16 14:00:40,081 INFO L226 Difference]: Without dead ends: 158
[2020-10-16 14:00:40,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132
[2020-10-16 14:00:40,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2020-10-16 14:00:40,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 110.
[2020-10-16 14:00:40,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states.
[2020-10-16 14:00:40,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 290 transitions.
[2020-10-16 14:00:40,104 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 290 transitions. Word has length 19
[2020-10-16 14:00:40,104 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 14:00:40,104 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 290 transitions.
[2020-10-16 14:00:40,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-16 14:00:40,104 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 290 transitions.
[2020-10-16 14:00:40,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2020-10-16 14:00:40,106 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 14:00:40,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 14:00:40,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2020-10-16 14:00:40,322 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2020-10-16 14:00:40,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 14:00:40,322 INFO L82 PathProgramCache]: Analyzing trace with hash -799546606, now seen corresponding path program 1 times
[2020-10-16 14:00:40,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 14:00:40,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364294735]
[2020-10-16 14:00:40,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 14:00:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 14:00:40,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:40,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364294735]
[2020-10-16 14:00:40,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 14:00:40,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-10-16 14:00:40,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [714420759]
[2020-10-16 14:00:40,774 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 14:00:40,778 INFO L255 McrAutomatonBuilder]: Started intersection.
[2020-10-16 14:00:40,790 INFO L258 McrAutomatonBuilder]: Finished intersection with 50 states and 86 transitions.
[2020-10-16 14:00:40,790 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 14:00:41,357 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 9 new interpolants: [1687#(and (= (mod ~search_found~0 256) 0) (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0)), 1688#(and (or (not (= (mod ~search_found~0 256) 0)) (and (= (mod ~search_found~0 256) 0) (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0)) (<= search_workerThread1of1ForFork0_~upper~0 search_workerThread1of1ForFork0_~i~0)) (or (and (= (mod ~search_found~0 256) 0) (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0)) (= search_workerThread1of1ForFork0_~i~0 0))), 1689#(and (or (not (= (mod ~search_found~0 256) 0)) (<= (select (select |#memory_int| search_workerThread1of1ForFork0_~bounds~0.base) (+ search_workerThread1of1ForFork0_~bounds~0.offset 4)) search_workerThread1of1ForFork0_~lower~0) (and (= (mod ~search_found~0 256) 0) (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0))) (or (= search_workerThread1of1ForFork0_~lower~0 0) (and (= (mod ~search_found~0 256) 0) (< search_workerThread1of1ForFork1_~i~0 search_workerThread1of1ForFork1_~upper~0)))), 1690#(and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)))), 1691#(and (or (not (= (mod ~search_found~0 256) 0)) (<= search_workerThread1of1ForFork0_~upper~0 search_workerThread1of1ForFork0_~i~0) (and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4))))) (or (= search_workerThread1of1ForFork0_~i~0 0) (and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)))))), 1692#(and (or (= search_workerThread1of1ForFork0_~lower~0 0) (and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4))))) (or (not (= (mod ~search_found~0 256) 0)) (<= (select (select |#memory_int| search_workerThread1of1ForFork0_~bounds~0.base) (+ search_workerThread1of1ForFork0_~bounds~0.offset 4)) search_workerThread1of1ForFork0_~lower~0) (and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) |search_workerThread1of1ForFork1_#in~params.offset|) (select (select |#memory_int| |search_workerThread1of1ForFork1_#in~params.base|) (+ |search_workerThread1of1ForFork1_#in~params.offset| 4)))))), 1693#(and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4)))), 1694#(and (or (not (= (mod ~search_found~0 256) 0)) (<= search_workerThread1of1ForFork0_~upper~0 search_workerThread1of1ForFork0_~i~0) (and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4))))) (or (= search_workerThread1of1ForFork0_~i~0 0) (and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4)))))), 1695#(and (or (not (= (mod ~search_found~0 256) 0)) (<= (select (select |#memory_int| search_workerThread1of1ForFork0_~bounds~0.base) (+ search_workerThread1of1ForFork0_~bounds~0.offset 4)) search_workerThread1of1ForFork0_~lower~0) (and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4))))) (or (= search_workerThread1of1ForFork0_~lower~0 0) (and (= (mod ~search_found~0 256) 0) (< (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) |ULTIMATE.start_search_~#bounds2~0.offset|) (select (select |#memory_int| |ULTIMATE.start_search_~#bounds2~0.base|) (+ |ULTIMATE.start_search_~#bounds2~0.offset| 4))))))]
[2020-10-16 14:00:41,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states
[2020-10-16 14:00:41,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 14:00:41,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2020-10-16 14:00:41,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342
[2020-10-16 14:00:41,359 INFO L87 Difference]: Start difference. First operand 110 states and 290 transitions. Second operand 19 states.
[2020-10-16 14:00:42,282 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 88
[2020-10-16 14:00:42,457 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 79
[2020-10-16 14:00:42,720 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74
[2020-10-16 14:00:43,112 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 97
[2020-10-16 14:00:43,429 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 96
[2020-10-16 14:00:43,621 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59
[2020-10-16 14:00:44,213 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92
[2020-10-16 14:00:44,381 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 86
[2020-10-16 14:00:44,744 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 107
[2020-10-16 14:00:44,965 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70
[2020-10-16 14:00:45,601 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90
[2020-10-16 14:00:46,098 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100
[2020-10-16 14:00:46,266 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 91
[2020-10-16 14:00:46,558 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75
[2020-10-16 14:00:47,394 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98
[2020-10-16 14:00:47,599 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 56
[2020-10-16 14:00:48,060 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 86
[2020-10-16 14:00:48,279 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73
[2020-10-16 14:00:48,559 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64
[2020-10-16 14:00:49,179 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68
[2020-10-16 14:00:49,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 14:00:49,588 INFO L93 Difference]: Finished difference Result 341 states and 947 transitions.
[2020-10-16 14:00:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2020-10-16 14:00:49,589 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 20
[2020-10-16 14:00:49,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 14:00:49,591 INFO L225 Difference]: With dead ends: 341
[2020-10-16 14:00:49,592 INFO L226 Difference]: Without dead ends: 299
[2020-10-16 14:00:49,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=667, Invalid=2195, Unknown=0, NotChecked=0, Total=2862
[2020-10-16 14:00:49,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states.
[2020-10-16 14:00:49,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 130.
[2020-10-16 14:00:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states.
[2020-10-16 14:00:49,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 351 transitions.
[2020-10-16 14:00:49,603 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 351 transitions. Word has length 20
[2020-10-16 14:00:49,603 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 14:00:49,603 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 351 transitions.
[2020-10-16 14:00:49,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states.
[2020-10-16 14:00:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 351 transitions.
[2020-10-16 14:00:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2020-10-16 14:00:49,604 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 14:00:49,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 14:00:49,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 14:00:49,605 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2020-10-16 14:00:49,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 14:00:49,606 INFO L82 PathProgramCache]: Analyzing trace with hash -598861718, now seen corresponding path program 2 times
[2020-10-16 14:00:49,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 14:00:49,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653359200]
[2020-10-16 14:00:49,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 14:00:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 14:00:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:49,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653359200]
[2020-10-16 14:00:49,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940146611]
[2020-10-16 14:00:49,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 14:00:50,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2020-10-16 14:00:50,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-10-16 14:00:50,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 70 conjunts are in the unsatisfiable core
[2020-10-16 14:00:50,006 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-10-16 14:00:50,052 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37
[2020-10-16 14:00:50,053 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts.
[2020-10-16 14:00:50,106 INFO L625 ElimStorePlain]: treesize reduction 22, result has 67.6 percent of original size
[2020-10-16 14:00:50,117 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18
[2020-10-16 14:00:50,117 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:50,136 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:00:50,138 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts.
[2020-10-16 14:00:50,138 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:51, output treesize:42
[2020-10-16 14:00:50,251 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:00:50,251 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 52
[2020-10-16 14:00:50,252 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:50,333 INFO L625 ElimStorePlain]: treesize reduction 16, result has 78.9 percent of original size
[2020-10-16 14:00:50,339 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:00:50,344 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts.
[2020-10-16 14:00:50,344 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:56, output treesize:60
[2020-10-16 14:00:50,347 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:00:51,007 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 44
[2020-10-16 14:00:51,018 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:00:51,702 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33
[2020-10-16 14:00:52,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:52,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-16 14:00:52,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 16
[2020-10-16 14:00:52,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1326116700]
[2020-10-16 14:00:52,091 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 14:00:52,095 INFO L255 McrAutomatonBuilder]: Started intersection.
[2020-10-16 14:00:52,108 INFO L258 McrAutomatonBuilder]: Finished intersection with 61 states and 109 transitions.
[2020-10-16 14:00:52,108 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 14:00:52,264 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 14:00:52,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-10-16 14:00:52,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 14:00:52,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-10-16 14:00:52,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306
[2020-10-16 14:00:52,265 INFO L87 Difference]: Start difference. First operand 130 states and 351 transitions. Second operand 9 states.
[2020-10-16 14:00:52,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 14:00:52,689 INFO L93 Difference]: Finished difference Result 282 states and 767 transitions.
[2020-10-16 14:00:52,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-10-16 14:00:52,689 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20
[2020-10-16 14:00:52,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 14:00:52,693 INFO L225 Difference]: With dead ends: 282
[2020-10-16 14:00:52,693 INFO L226 Difference]: Without dead ends: 264
[2020-10-16 14:00:52,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552
[2020-10-16 14:00:52,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states.
[2020-10-16 14:00:52,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 191.
[2020-10-16 14:00:52,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states.
[2020-10-16 14:00:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 530 transitions.
[2020-10-16 14:00:52,703 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 530 transitions. Word has length 20
[2020-10-16 14:00:52,704 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 14:00:52,704 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 530 transitions.
[2020-10-16 14:00:52,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-10-16 14:00:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 530 transitions.
[2020-10-16 14:00:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2020-10-16 14:00:52,705 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 14:00:52,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 14:00:52,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 14:00:52,920 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2020-10-16 14:00:52,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 14:00:52,921 INFO L82 PathProgramCache]: Analyzing trace with hash -2064989212, now seen corresponding path program 3 times
[2020-10-16 14:00:52,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 14:00:52,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515146244]
[2020-10-16 14:00:52,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 14:00:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 14:00:53,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:53,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515146244]
[2020-10-16 14:00:53,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658413165]
[2020-10-16 14:00:53,199 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 14:00:53,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2020-10-16 14:00:53,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-10-16 14:00:53,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 33 conjunts are in the unsatisfiable core
[2020-10-16 14:00:53,272 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-10-16 14:00:53,280 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 64
[2020-10-16 14:00:53,281 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,308 INFO L625 ElimStorePlain]: treesize reduction 42, result has 30.0 percent of original size
[2020-10-16 14:00:53,309 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,310 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:14
[2020-10-16 14:00:53,361 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22
[2020-10-16 14:00:53,362 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,368 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:00:53,370 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts.
[2020-10-16 14:00:53,370 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:23
[2020-10-16 14:00:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:53,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-16 14:00:53,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 11
[2020-10-16 14:00:53,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [255376439]
[2020-10-16 14:00:53,468 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 14:00:53,472 INFO L255 McrAutomatonBuilder]: Started intersection.
[2020-10-16 14:00:53,483 INFO L258 McrAutomatonBuilder]: Finished intersection with 48 states and 79 transitions.
[2020-10-16 14:00:53,483 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 14:00:53,535 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-10-16 14:00:53,536 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 14:00:53,551 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,552 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,559 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,560 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,567 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,567 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,574 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,575 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,582 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,583 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,589 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,590 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,596 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,597 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,604 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,604 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,612 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,613 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,744 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 45
[2020-10-16 14:00:53,745 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:00:53,750 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts.
[2020-10-16 14:00:53,750 INFO L244 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:388, output treesize:334
[2020-10-16 14:00:53,759 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-10-16 14:00:53,761 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 14:00:53,806 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,807 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,813 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,813 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,820 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,827 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,833 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,834 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,841 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,845 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,852 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,858 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,871 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,872 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,879 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,879 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:53,887 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:53,891 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:54,032 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 45
[2020-10-16 14:00:54,033 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:00:54,039 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts.
[2020-10-16 14:00:54,039 INFO L244 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:388, output treesize:334
[2020-10-16 14:00:54,052 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-10-16 14:00:54,056 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 14:00:54,074 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:54,075 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:54,084 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:54,085 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:54,092 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:54,093 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:54,100 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:54,101 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:54,108 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:54,109 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:54,118 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:54,119 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:54,128 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:54,130 INFO L545 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:54,140 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:54,141 INFO L545 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:54,150 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:00:54,151 INFO L545 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:54,307 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 45
[2020-10-16 14:00:54,309 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:00:54,313 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts.
[2020-10-16 14:00:54,313 INFO L244 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:388, output treesize:334
[2020-10-16 14:00:54,320 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 14:00:54,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-10-16 14:00:54,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 14:00:54,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-10-16 14:00:54,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156
[2020-10-16 14:00:54,322 INFO L87 Difference]: Start difference. First operand 191 states and 530 transitions. Second operand 9 states.
[2020-10-16 14:00:54,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 14:00:54,887 INFO L93 Difference]: Finished difference Result 415 states and 1147 transitions.
[2020-10-16 14:00:54,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-10-16 14:00:54,888 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20
[2020-10-16 14:00:54,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 14:00:54,892 INFO L225 Difference]: With dead ends: 415
[2020-10-16 14:00:54,892 INFO L226 Difference]: Without dead ends: 396
[2020-10-16 14:00:54,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420
[2020-10-16 14:00:54,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states.
[2020-10-16 14:00:54,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 193.
[2020-10-16 14:00:54,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states.
[2020-10-16 14:00:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 534 transitions.
[2020-10-16 14:00:54,920 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 534 transitions. Word has length 20
[2020-10-16 14:00:54,921 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 14:00:54,921 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 534 transitions.
[2020-10-16 14:00:54,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-10-16 14:00:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 534 transitions.
[2020-10-16 14:00:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-10-16 14:00:54,922 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 14:00:54,923 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 14:00:55,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 14:00:55,136 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2020-10-16 14:00:55,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 14:00:55,140 INFO L82 PathProgramCache]: Analyzing trace with hash 2072690650, now seen corresponding path program 1 times
[2020-10-16 14:00:55,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 14:00:55,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794401999]
[2020-10-16 14:00:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 14:00:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 14:00:55,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:55,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794401999]
[2020-10-16 14:00:55,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489867022]
[2020-10-16 14:00:55,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 14:00:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 14:00:55,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 70 conjunts are in the unsatisfiable core
[2020-10-16 14:00:55,548 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-10-16 14:00:55,584 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 218
[2020-10-16 14:00:55,586 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts.
[2020-10-16 14:00:55,672 INFO L625 ElimStorePlain]: treesize reduction 184, result has 20.0 percent of original size
[2020-10-16 14:00:55,682 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18
[2020-10-16 14:00:55,683 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:55,711 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:00:55,712 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts.
[2020-10-16 14:00:55,712 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:51, output treesize:42
[2020-10-16 14:00:55,841 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:00:55,842 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 52
[2020-10-16 14:00:55,842 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:55,921 INFO L625 ElimStorePlain]: treesize reduction 16, result has 78.9 percent of original size
[2020-10-16 14:00:55,924 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:00:55,926 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts.
[2020-10-16 14:00:55,926 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:56, output treesize:60
[2020-10-16 14:00:55,928 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:00:56,010 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:00:56,628 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33
[2020-10-16 14:00:57,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:57,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-16 14:00:57,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 18
[2020-10-16 14:00:57,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [771004100]
[2020-10-16 14:00:57,039 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 14:00:57,043 INFO L255 McrAutomatonBuilder]: Started intersection.
[2020-10-16 14:00:57,061 INFO L258 McrAutomatonBuilder]: Finished intersection with 71 states and 129 transitions.
[2020-10-16 14:00:57,062 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 14:00:57,304 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 14:00:57,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-10-16 14:00:57,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 14:00:57,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-10-16 14:00:57,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380
[2020-10-16 14:00:57,306 INFO L87 Difference]: Start difference. First operand 193 states and 534 transitions. Second operand 10 states.
[2020-10-16 14:00:58,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 14:00:58,132 INFO L93 Difference]: Finished difference Result 317 states and 868 transitions.
[2020-10-16 14:00:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-10-16 14:00:58,132 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22
[2020-10-16 14:00:58,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 14:00:58,134 INFO L225 Difference]: With dead ends: 317
[2020-10-16 14:00:58,134 INFO L226 Difference]: Without dead ends: 74
[2020-10-16 14:00:58,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 51 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756
[2020-10-16 14:00:58,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2020-10-16 14:00:58,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70.
[2020-10-16 14:00:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states.
[2020-10-16 14:00:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 149 transitions.
[2020-10-16 14:00:58,142 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 149 transitions. Word has length 22
[2020-10-16 14:00:58,142 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 14:00:58,142 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 149 transitions.
[2020-10-16 14:00:58,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-10-16 14:00:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions.
[2020-10-16 14:00:58,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-10-16 14:00:58,144 INFO L414 BasicCegarLoop]: Found error trace
[2020-10-16 14:00:58,144 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 14:00:58,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 14:00:58,358 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2020-10-16 14:00:58,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 14:00:58,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1587846356, now seen corresponding path program 2 times
[2020-10-16 14:00:58,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 14:00:58,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978286008]
[2020-10-16 14:00:58,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 14:00:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 14:00:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:00:58,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978286008]
[2020-10-16 14:00:58,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865123896]
[2020-10-16 14:00:58,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 14:00:58,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2020-10-16 14:00:58,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-10-16 14:00:58,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 62 conjunts are in the unsatisfiable core
[2020-10-16 14:00:58,788 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-10-16 14:00:58,808 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:00:58,808 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 34
[2020-10-16 14:00:58,809 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:58,846 INFO L625 ElimStorePlain]: treesize reduction 16, result has 67.3 percent of original size
[2020-10-16 14:00:58,846 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2020-10-16 14:00:58,847 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:33
[2020-10-16 14:00:59,141 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:00:59,142 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 113
[2020-10-16 14:00:59,143 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:00:59,193 INFO L625 ElimStorePlain]: treesize reduction 70, result has 40.2 percent of original size
[2020-10-16 14:00:59,195 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:00:59,196 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts.
[2020-10-16 14:00:59,197 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:45, output treesize:47
[2020-10-16 14:00:59,198 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:01:00,760 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:01:01,570 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:01:02,383 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:01:03,150 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:01:03,998 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-10-16 14:01:04,861 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 32
[2020-10-16 14:01:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 14:01:05,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-16 14:01:05,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16
[2020-10-16 14:01:05,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1871625434]
[2020-10-16 14:01:05,211 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class.
[2020-10-16 14:01:05,214 INFO L255 McrAutomatonBuilder]: Started intersection.
[2020-10-16 14:01:05,224 INFO L258 McrAutomatonBuilder]: Finished intersection with 50 states and 81 transitions.
[2020-10-16 14:01:05,224 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider
[2020-10-16 14:01:05,247 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-10-16 14:01:05,248 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 14:01:05,269 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,269 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,274 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,275 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,281 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,282 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,288 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,289 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,295 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,296 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,303 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,304 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,389 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:01:05,392 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 9 dim-0 vars, and 6 xjuncts.
[2020-10-16 14:01:05,392 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:277, output treesize:241
[2020-10-16 14:01:05,422 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-10-16 14:01:05,424 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 14:01:05,434 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,435 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,441 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,442 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,448 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,449 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,455 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,455 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,462 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,463 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,468 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,469 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,548 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:01:05,552 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 9 dim-0 vars, and 6 xjuncts.
[2020-10-16 14:01:05,553 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:277, output treesize:241
[2020-10-16 14:01:05,581 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-10-16 14:01:05,582 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts
[2020-10-16 14:01:05,597 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,600 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,608 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,608 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,614 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,620 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,626 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,627 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,632 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,632 INFO L545 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,638 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4
[2020-10-16 14:01:05,639 INFO L545 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts.
[2020-10-16 14:01:05,726 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 14:01:05,730 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 9 dim-0 vars, and 6 xjuncts.
[2020-10-16 14:01:05,730 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:277, output treesize:241
[2020-10-16 14:01:05,734 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: []
[2020-10-16 14:01:05,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-10-16 14:01:05,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 14:01:05,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-10-16 14:01:05,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=264, Unknown=1, NotChecked=0, Total=306
[2020-10-16 14:01:05,735 INFO L87 Difference]: Start difference. First operand 70 states and 149 transitions. Second operand 10 states.
[2020-10-16 14:01:06,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 14:01:06,413 INFO L93 Difference]: Finished difference Result 95 states and 209 transitions.
[2020-10-16 14:01:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-10-16 14:01:06,419 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22
[2020-10-16 14:01:06,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 14:01:06,420 INFO L225 Difference]: With dead ends: 95
[2020-10-16 14:01:06,420 INFO L226 Difference]: Without dead ends: 0
[2020-10-16 14:01:06,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 26 SyntacticMatches, 11 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=133, Invalid=622, Unknown=1, NotChecked=0, Total=756
[2020-10-16 14:01:06,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-10-16 14:01:06,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-10-16 14:01:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-10-16 14:01:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-10-16 14:01:06,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22
[2020-10-16 14:01:06,425 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-10-16 14:01:06,425 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-10-16 14:01:06,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-10-16 14:01:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-10-16 14:01:06,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-10-16 14:01:06,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 14:01:06,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:01:06 BasicIcfg
[2020-10-16 14:01:06,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 14:01:06,644 INFO L168 Benchmark]: Toolchain (without parser) took 33988.47 ms. Allocated memory was 140.0 MB in the beginning and 409.5 MB in the end (delta: 269.5 MB). Free memory was 100.8 MB in the beginning and 310.2 MB in the end (delta: -209.4 MB). Peak memory consumption was 60.1 MB. Max. memory is 7.1 GB.
[2020-10-16 14:01:06,644 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-10-16 14:01:06,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.48 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 179.1 MB in the end (delta: -78.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB.
[2020-10-16 14:01:06,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.69 ms. Allocated memory is still 203.4 MB. Free memory was 179.1 MB in the beginning and 177.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-10-16 14:01:06,646 INFO L168 Benchmark]: Boogie Preprocessor took 29.21 ms. Allocated memory is still 203.4 MB. Free memory was 177.2 MB in the beginning and 175.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
[2020-10-16 14:01:06,646 INFO L168 Benchmark]: RCFGBuilder took 499.95 ms. Allocated memory is still 203.4 MB. Free memory was 175.8 MB in the beginning and 149.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB.
[2020-10-16 14:01:06,646 INFO L168 Benchmark]: TraceAbstraction took 33051.55 ms. Allocated memory was 203.4 MB in the beginning and 409.5 MB in the end (delta: 206.0 MB). Free memory was 149.1 MB in the beginning and 310.2 MB in the end (delta: -161.1 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB.
[2020-10-16 14:01:06,655 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 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 361.48 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 179.1 MB in the end (delta: -78.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 40.69 ms. Allocated memory is still 203.4 MB. Free memory was 179.1 MB in the beginning and 177.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 29.21 ms. Allocated memory is still 203.4 MB. Free memory was 177.2 MB in the beginning and 175.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 499.95 ms. Allocated memory is still 203.4 MB. Free memory was 175.8 MB in the beginning and 149.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 33051.55 ms. Allocated memory was 203.4 MB in the beginning and 409.5 MB in the end (delta: 206.0 MB). Free memory was 149.1 MB in the beginning and 310.2 MB in the end (delta: -161.1 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
1124 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 82 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 135 PlacesBefore, 31 PlacesAfterwards, 138 TransitionsBefore, 30 TransitionsAfterwards, 1920 CoEnabledTransitionPairs, 7 FixpointIterations, 70 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 125 TotalNumberOfCompositions, 4237 MoverChecksTotal
- PositiveResult [Line: 67]: assertion always holds
For all program executions holds that assertion always holds at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.8s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: 231 SDtfs, 773 SDslu, 555 SDs, 0 SdLazy, 2196 SolverSat, 111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 284 SyntacticMatches, 28 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 18.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=6, 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, 8 MinimizatonAttempts, 520 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 11.9s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 245 ConstructedInterpolants, 72 QuantifiedInterpolants, 107715 SizeOfPredicates, 106 NumberOfNonLiveVariables, 820 ConjunctsInSsa, 264 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 1/23 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 correct!
Received shutdown request...