/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-21 02:16:49,135 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-21 02:16:49,137 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 02:16:49,148 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 02:16:49,149 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 02:16:49,150 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 02:16:49,151 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-21 02:16:49,153 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-21 02:16:49,154 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-21 02:16:49,155 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-21 02:16:49,156 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-21 02:16:49,157 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 02:16:49,157 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 02:16:49,158 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 02:16:49,159 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 02:16:49,160 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 02:16:49,161 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 02:16:49,162 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 02:16:49,163 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 02:16:49,165 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 02:16:49,167 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 02:16:49,168 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 02:16:49,169 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 02:16:49,170 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 02:16:49,172 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-21 02:16:49,172 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-21 02:16:49,173 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 02:16:49,173 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 02:16:49,174 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-21 02:16:49,175 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-21 02:16:49,175 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-21 02:16:49,176 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-21 02:16:49,176 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-21 02:16:49,177 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-21 02:16:49,178 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 02:16:49,178 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 02:16:49,179 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-21 02:16:49,179 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-21 02:16:49,179 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-21 02:16:49,180 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-21 02:16:49,181 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 02:16:49,181 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-21 02:16:49,195 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-21 02:16:49,195 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 02:16:49,196 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 02:16:49,196 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-21 02:16:49,197 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-21 02:16:49,197 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 02:16:49,197 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-21 02:16:49,197 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-21 02:16:49,197 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-21 02:16:49,198 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-21 02:16:49,198 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 02:16:49,198 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 02:16:49,198 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 02:16:49,198 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-21 02:16:49,199 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-21 02:16:49,199 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-21 02:16:49,199 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-21 02:16:49,199 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 02:16:49,199 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-21 02:16:49,200 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-21 02:16:49,200 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-21 02:16:49,200 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 02:16:49,200 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 02:16:49,200 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 02:16:49,200 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 02:16:49,201 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-21 02:16:49,201 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:49,201 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 02:16:49,201 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-21 02:16:49,201 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-21 02:16:49,460 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 02:16:49,472 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 02:16:49,475 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 02:16:49,477 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-21 02:16:49,477 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-21 02:16:49,478 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c
[2020-07-21 02:16:49,546 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5466b6d96/345d194046bb4adf856704388fba9398/FLAGb8e76fcf6
[2020-07-21 02:16:49,971 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-21 02:16:49,972 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c
[2020-07-21 02:16:49,981 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5466b6d96/345d194046bb4adf856704388fba9398/FLAGb8e76fcf6
[2020-07-21 02:16:50,367 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5466b6d96/345d194046bb4adf856704388fba9398
[2020-07-21 02:16:50,375 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 02:16:50,377 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 02:16:50,378 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 02:16:50,378 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 02:16:50,382 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 02:16:50,383 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:16:50" (1/1) ...
[2020-07-21 02:16:50,385 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3607cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:50, skipping insertion in model container
[2020-07-21 02:16:50,386 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:16:50" (1/1) ...
[2020-07-21 02:16:50,393 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-21 02:16:50,442 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-21 02:16:50,661 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 02:16:50,673 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-21 02:16:50,921 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-21 02:16:50,949 INFO  L208         MainTranslator]: Completed translation
[2020-07-21 02:16:50,949 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:50 WrapperNode
[2020-07-21 02:16:50,949 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 02:16:50,950 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 02:16:50,950 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 02:16:50,950 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 02:16:50,964 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:50" (1/1) ...
[2020-07-21 02:16:50,964 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:50" (1/1) ...
[2020-07-21 02:16:50,972 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:50" (1/1) ...
[2020-07-21 02:16:50,972 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:50" (1/1) ...
[2020-07-21 02:16:50,993 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:50" (1/1) ...
[2020-07-21 02:16:51,009 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:50" (1/1) ...
[2020-07-21 02:16:51,011 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:50" (1/1) ...
[2020-07-21 02:16:51,014 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 02:16:51,015 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 02:16:51,015 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 02:16:51,015 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-21 02:16:51,016 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:50" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 02:16:51,070 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 02:16:51,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 02:16:51,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure error
[2020-07-21 02:16:51,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure master
[2020-07-21 02:16:51,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure transmit1
[2020-07-21 02:16:51,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure transmit2
[2020-07-21 02:16:51,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure is_master_triggered
[2020-07-21 02:16:51,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered
[2020-07-21 02:16:51,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered
[2020-07-21 02:16:51,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure update_channels
[2020-07-21 02:16:51,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_threads
[2020-07-21 02:16:51,072 INFO  L138     BoogieDeclarations]: Found implementation of procedure exists_runnable_thread
[2020-07-21 02:16:51,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure eval
[2020-07-21 02:16:51,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure fire_delta_events
[2020-07-21 02:16:51,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure reset_delta_events
[2020-07-21 02:16:51,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_threads
[2020-07-21 02:16:51,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure immediate_notify
[2020-07-21 02:16:51,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure fire_time_events
[2020-07-21 02:16:51,073 INFO  L138     BoogieDeclarations]: Found implementation of procedure reset_time_events
[2020-07-21 02:16:51,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_model
[2020-07-21 02:16:51,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure stop_simulation
[2020-07-21 02:16:51,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure start_simulation
[2020-07-21 02:16:51,074 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 02:16:51,074 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 02:16:51,074 INFO  L130     BoogieDeclarations]: Found specification of procedure error
[2020-07-21 02:16:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure is_master_triggered
[2020-07-21 02:16:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure is_transmit1_triggered
[2020-07-21 02:16:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure is_transmit2_triggered
[2020-07-21 02:16:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure immediate_notify
[2020-07-21 02:16:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 02:16:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure master
[2020-07-21 02:16:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure transmit1
[2020-07-21 02:16:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure transmit2
[2020-07-21 02:16:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure update_channels
[2020-07-21 02:16:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure init_threads
[2020-07-21 02:16:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure exists_runnable_thread
[2020-07-21 02:16:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure eval
[2020-07-21 02:16:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure fire_delta_events
[2020-07-21 02:16:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure reset_delta_events
[2020-07-21 02:16:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_threads
[2020-07-21 02:16:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure fire_time_events
[2020-07-21 02:16:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure reset_time_events
[2020-07-21 02:16:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure init_model
[2020-07-21 02:16:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure stop_simulation
[2020-07-21 02:16:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure start_simulation
[2020-07-21 02:16:51,078 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-21 02:16:51,078 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 02:16:51,078 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 02:16:51,657 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 02:16:51,658 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-21 02:16:51,664 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:16:51 BoogieIcfgContainer
[2020-07-21 02:16:51,664 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 02:16:51,665 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 02:16:51,665 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 02:16:51,668 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-21 02:16:51,669 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:16:50" (1/3) ...
[2020-07-21 02:16:51,669 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fafb0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:16:51, skipping insertion in model container
[2020-07-21 02:16:51,670 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:50" (2/3) ...
[2020-07-21 02:16:51,670 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fafb0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:16:51, skipping insertion in model container
[2020-07-21 02:16:51,670 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:16:51" (3/3) ...
[2020-07-21 02:16:51,672 INFO  L109   eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-2.c
[2020-07-21 02:16:51,683 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 02:16:51,690 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 02:16:51,705 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 02:16:51,731 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-21 02:16:51,731 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-21 02:16:51,731 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 02:16:51,731 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 02:16:51,732 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 02:16:51,732 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-21 02:16:51,732 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 02:16:51,732 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 02:16:51,756 INFO  L276                IsEmpty]: Start isEmpty. Operand 181 states.
[2020-07-21 02:16:51,768 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2020-07-21 02:16:51,768 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:16:51,769 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:16:51,770 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:51,776 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:51,776 INFO  L82        PathProgramCache]: Analyzing trace with hash -67309704, now seen corresponding path program 1 times
[2020-07-21 02:16:51,785 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:51,786 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719944046]
[2020-07-21 02:16:51,787 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:51,960 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 02:16:51,961 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:51,965 INFO  L263         TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-21 02:16:51,976 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:52,070 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 02:16:52,070 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:52,072 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719944046]
[2020-07-21 02:16:52,072 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:52,073 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:16:52,074 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682969394]
[2020-07-21 02:16:52,079 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:16:52,080 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:52,094 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:16:52,095 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:16:52,097 INFO  L87              Difference]: Start difference. First operand 181 states. Second operand 3 states.
[2020-07-21 02:16:52,209 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:52,210 INFO  L93              Difference]: Finished difference Result 483 states and 706 transitions.
[2020-07-21 02:16:52,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:16:52,212 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 92
[2020-07-21 02:16:52,213 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:52,229 INFO  L225             Difference]: With dead ends: 483
[2020-07-21 02:16:52,230 INFO  L226             Difference]: Without dead ends: 309
[2020-07-21 02:16:52,236 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:16:52,255 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 309 states.
[2020-07-21 02:16:52,310 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 308.
[2020-07-21 02:16:52,312 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 308 states.
[2020-07-21 02:16:52,316 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 421 transitions.
[2020-07-21 02:16:52,318 INFO  L78                 Accepts]: Start accepts. Automaton has 308 states and 421 transitions. Word has length 92
[2020-07-21 02:16:52,319 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:52,319 INFO  L479      AbstractCegarLoop]: Abstraction has 308 states and 421 transitions.
[2020-07-21 02:16:52,319 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:16:52,319 INFO  L276                IsEmpty]: Start isEmpty. Operand 308 states and 421 transitions.
[2020-07-21 02:16:52,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2020-07-21 02:16:52,332 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:16:52,333 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:16:52,548 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:52,549 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:52,549 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:52,550 INFO  L82        PathProgramCache]: Analyzing trace with hash -76316608, now seen corresponding path program 1 times
[2020-07-21 02:16:52,550 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:52,551 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335166927]
[2020-07-21 02:16:52,551 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:52,662 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-21 02:16:52,662 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:52,664 INFO  L263         TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 02:16:52,671 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:52,739 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2020-07-21 02:16:52,739 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:52,740 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335166927]
[2020-07-21 02:16:52,740 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:52,740 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 02:16:52,741 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608391047]
[2020-07-21 02:16:52,743 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 02:16:52,743 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:52,743 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 02:16:52,743 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 02:16:52,744 INFO  L87              Difference]: Start difference. First operand 308 states and 421 transitions. Second operand 5 states.
[2020-07-21 02:16:53,276 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:53,276 INFO  L93              Difference]: Finished difference Result 682 states and 958 transitions.
[2020-07-21 02:16:53,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 02:16:53,277 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 147
[2020-07-21 02:16:53,278 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:53,282 INFO  L225             Difference]: With dead ends: 682
[2020-07-21 02:16:53,282 INFO  L226             Difference]: Without dead ends: 394
[2020-07-21 02:16:53,286 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:16:53,287 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 394 states.
[2020-07-21 02:16:53,319 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 393.
[2020-07-21 02:16:53,320 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 393 states.
[2020-07-21 02:16:53,322 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 522 transitions.
[2020-07-21 02:16:53,323 INFO  L78                 Accepts]: Start accepts. Automaton has 393 states and 522 transitions. Word has length 147
[2020-07-21 02:16:53,323 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:53,323 INFO  L479      AbstractCegarLoop]: Abstraction has 393 states and 522 transitions.
[2020-07-21 02:16:53,323 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 02:16:53,324 INFO  L276                IsEmpty]: Start isEmpty. Operand 393 states and 522 transitions.
[2020-07-21 02:16:53,329 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2020-07-21 02:16:53,330 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:16:53,330 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:16:53,543 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:53,544 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:53,544 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:53,545 INFO  L82        PathProgramCache]: Analyzing trace with hash -646107580, now seen corresponding path program 1 times
[2020-07-21 02:16:53,545 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:53,546 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134183295]
[2020-07-21 02:16:53,547 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:53,637 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-21 02:16:53,637 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:53,639 INFO  L263         TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 02:16:53,644 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:53,695 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2020-07-21 02:16:53,696 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:53,696 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134183295]
[2020-07-21 02:16:53,696 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:53,696 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 02:16:53,697 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159303725]
[2020-07-21 02:16:53,697 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 02:16:53,698 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:53,698 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 02:16:53,698 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 02:16:53,698 INFO  L87              Difference]: Start difference. First operand 393 states and 522 transitions. Second operand 5 states.
[2020-07-21 02:16:54,217 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:54,217 INFO  L93              Difference]: Finished difference Result 925 states and 1291 transitions.
[2020-07-21 02:16:54,218 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 02:16:54,218 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 147
[2020-07-21 02:16:54,218 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:54,223 INFO  L225             Difference]: With dead ends: 925
[2020-07-21 02:16:54,223 INFO  L226             Difference]: Without dead ends: 552
[2020-07-21 02:16:54,226 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:16:54,227 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 552 states.
[2020-07-21 02:16:54,278 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 464.
[2020-07-21 02:16:54,279 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 464 states.
[2020-07-21 02:16:54,282 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 597 transitions.
[2020-07-21 02:16:54,283 INFO  L78                 Accepts]: Start accepts. Automaton has 464 states and 597 transitions. Word has length 147
[2020-07-21 02:16:54,283 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:54,283 INFO  L479      AbstractCegarLoop]: Abstraction has 464 states and 597 transitions.
[2020-07-21 02:16:54,283 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 02:16:54,283 INFO  L276                IsEmpty]: Start isEmpty. Operand 464 states and 597 transitions.
[2020-07-21 02:16:54,286 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2020-07-21 02:16:54,286 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:16:54,286 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:16:54,499 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:54,500 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:54,501 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:54,501 INFO  L82        PathProgramCache]: Analyzing trace with hash -1129758528, now seen corresponding path program 1 times
[2020-07-21 02:16:54,501 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:54,501 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156410211]
[2020-07-21 02:16:54,502 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:54,590 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-21 02:16:54,590 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:54,591 INFO  L263         TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 02:16:54,596 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:54,642 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2020-07-21 02:16:54,642 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:54,643 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156410211]
[2020-07-21 02:16:54,643 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:54,643 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 02:16:54,643 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945395795]
[2020-07-21 02:16:54,644 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 02:16:54,644 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:54,644 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 02:16:54,645 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 02:16:54,645 INFO  L87              Difference]: Start difference. First operand 464 states and 597 transitions. Second operand 5 states.
[2020-07-21 02:16:55,068 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:55,068 INFO  L93              Difference]: Finished difference Result 908 states and 1177 transitions.
[2020-07-21 02:16:55,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 02:16:55,073 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 147
[2020-07-21 02:16:55,073 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:55,077 INFO  L225             Difference]: With dead ends: 908
[2020-07-21 02:16:55,077 INFO  L226             Difference]: Without dead ends: 464
[2020-07-21 02:16:55,078 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:16:55,079 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 464 states.
[2020-07-21 02:16:55,106 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464.
[2020-07-21 02:16:55,106 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 464 states.
[2020-07-21 02:16:55,109 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 591 transitions.
[2020-07-21 02:16:55,110 INFO  L78                 Accepts]: Start accepts. Automaton has 464 states and 591 transitions. Word has length 147
[2020-07-21 02:16:55,110 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:55,110 INFO  L479      AbstractCegarLoop]: Abstraction has 464 states and 591 transitions.
[2020-07-21 02:16:55,110 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 02:16:55,110 INFO  L276                IsEmpty]: Start isEmpty. Operand 464 states and 591 transitions.
[2020-07-21 02:16:55,113 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2020-07-21 02:16:55,113 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:16:55,113 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:16:55,328 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:55,328 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:55,329 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:55,330 INFO  L82        PathProgramCache]: Analyzing trace with hash 1056931268, now seen corresponding path program 1 times
[2020-07-21 02:16:55,330 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:55,331 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005648493]
[2020-07-21 02:16:55,331 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:55,406 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-21 02:16:55,406 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:55,407 INFO  L263         TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 02:16:55,411 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:55,451 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2020-07-21 02:16:55,451 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:55,451 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005648493]
[2020-07-21 02:16:55,451 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:55,452 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 02:16:55,452 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968526489]
[2020-07-21 02:16:55,453 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 02:16:55,453 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:55,453 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 02:16:55,453 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 02:16:55,453 INFO  L87              Difference]: Start difference. First operand 464 states and 591 transitions. Second operand 5 states.
[2020-07-21 02:16:55,849 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:55,850 INFO  L93              Difference]: Finished difference Result 908 states and 1165 transitions.
[2020-07-21 02:16:55,850 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 02:16:55,851 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 147
[2020-07-21 02:16:55,851 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:55,857 INFO  L225             Difference]: With dead ends: 908
[2020-07-21 02:16:55,857 INFO  L226             Difference]: Without dead ends: 464
[2020-07-21 02:16:55,867 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:16:55,868 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 464 states.
[2020-07-21 02:16:55,910 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464.
[2020-07-21 02:16:55,910 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 464 states.
[2020-07-21 02:16:55,915 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 585 transitions.
[2020-07-21 02:16:55,917 INFO  L78                 Accepts]: Start accepts. Automaton has 464 states and 585 transitions. Word has length 147
[2020-07-21 02:16:55,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:55,917 INFO  L479      AbstractCegarLoop]: Abstraction has 464 states and 585 transitions.
[2020-07-21 02:16:55,918 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 02:16:55,918 INFO  L276                IsEmpty]: Start isEmpty. Operand 464 states and 585 transitions.
[2020-07-21 02:16:55,924 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2020-07-21 02:16:55,924 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:16:55,925 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:16:56,139 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:56,140 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:56,140 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:56,140 INFO  L82        PathProgramCache]: Analyzing trace with hash 2003969154, now seen corresponding path program 1 times
[2020-07-21 02:16:56,141 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:56,141 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913505311]
[2020-07-21 02:16:56,141 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:56,215 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-21 02:16:56,215 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:56,216 INFO  L263         TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 02:16:56,220 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:56,257 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2020-07-21 02:16:56,258 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:56,258 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913505311]
[2020-07-21 02:16:56,258 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:56,258 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 02:16:56,258 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579636225]
[2020-07-21 02:16:56,259 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 02:16:56,259 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:56,259 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 02:16:56,260 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 02:16:56,260 INFO  L87              Difference]: Start difference. First operand 464 states and 585 transitions. Second operand 5 states.
[2020-07-21 02:16:56,717 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:56,718 INFO  L93              Difference]: Finished difference Result 1061 states and 1429 transitions.
[2020-07-21 02:16:56,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 02:16:56,718 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 147
[2020-07-21 02:16:56,719 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:56,728 INFO  L225             Difference]: With dead ends: 1061
[2020-07-21 02:16:56,728 INFO  L226             Difference]: Without dead ends: 617
[2020-07-21 02:16:56,730 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:16:56,732 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 617 states.
[2020-07-21 02:16:56,784 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 529.
[2020-07-21 02:16:56,785 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 529 states.
[2020-07-21 02:16:56,790 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 649 transitions.
[2020-07-21 02:16:56,791 INFO  L78                 Accepts]: Start accepts. Automaton has 529 states and 649 transitions. Word has length 147
[2020-07-21 02:16:56,791 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:56,792 INFO  L479      AbstractCegarLoop]: Abstraction has 529 states and 649 transitions.
[2020-07-21 02:16:56,792 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 02:16:56,792 INFO  L276                IsEmpty]: Start isEmpty. Operand 529 states and 649 transitions.
[2020-07-21 02:16:56,795 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2020-07-21 02:16:56,796 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:16:56,796 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:16:57,010 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:57,011 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:57,011 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:57,012 INFO  L82        PathProgramCache]: Analyzing trace with hash -1986895266, now seen corresponding path program 1 times
[2020-07-21 02:16:57,012 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:57,012 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1605066164]
[2020-07-21 02:16:57,013 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:57,115 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 02:16:57,116 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:57,118 INFO  L263         TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-21 02:16:57,124 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:57,176 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2020-07-21 02:16:57,176 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:57,177 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1605066164]
[2020-07-21 02:16:57,177 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:57,177 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 02:16:57,177 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57481185]
[2020-07-21 02:16:57,178 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 02:16:57,178 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:57,178 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 02:16:57,179 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 02:16:57,179 INFO  L87              Difference]: Start difference. First operand 529 states and 649 transitions. Second operand 5 states.
[2020-07-21 02:16:57,859 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:57,860 INFO  L93              Difference]: Finished difference Result 1595 states and 1971 transitions.
[2020-07-21 02:16:57,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-21 02:16:57,860 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 147
[2020-07-21 02:16:57,861 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:57,867 INFO  L225             Difference]: With dead ends: 1595
[2020-07-21 02:16:57,867 INFO  L226             Difference]: Without dead ends: 1086
[2020-07-21 02:16:57,869 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-07-21 02:16:57,870 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1086 states.
[2020-07-21 02:16:57,919 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1032.
[2020-07-21 02:16:57,919 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1032 states.
[2020-07-21 02:16:57,924 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1258 transitions.
[2020-07-21 02:16:57,925 INFO  L78                 Accepts]: Start accepts. Automaton has 1032 states and 1258 transitions. Word has length 147
[2020-07-21 02:16:57,925 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:57,926 INFO  L479      AbstractCegarLoop]: Abstraction has 1032 states and 1258 transitions.
[2020-07-21 02:16:57,926 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 02:16:57,926 INFO  L276                IsEmpty]: Start isEmpty. Operand 1032 states and 1258 transitions.
[2020-07-21 02:16:57,928 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2020-07-21 02:16:57,928 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:16:57,928 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:16:58,142 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:58,143 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:58,144 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:58,144 INFO  L82        PathProgramCache]: Analyzing trace with hash -110412448, now seen corresponding path program 1 times
[2020-07-21 02:16:58,145 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:58,145 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323630633]
[2020-07-21 02:16:58,146 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:58,246 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 02:16:58,247 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:58,248 INFO  L263         TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-21 02:16:58,251 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:58,291 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2020-07-21 02:16:58,291 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:58,292 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323630633]
[2020-07-21 02:16:58,292 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:58,292 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 02:16:58,292 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887869535]
[2020-07-21 02:16:58,293 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 02:16:58,293 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:58,293 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 02:16:58,293 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:16:58,294 INFO  L87              Difference]: Start difference. First operand 1032 states and 1258 transitions. Second operand 6 states.
[2020-07-21 02:16:58,375 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:58,376 INFO  L93              Difference]: Finished difference Result 2083 states and 2596 transitions.
[2020-07-21 02:16:58,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 02:16:58,376 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 147
[2020-07-21 02:16:58,377 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:58,382 INFO  L225             Difference]: With dead ends: 2083
[2020-07-21 02:16:58,383 INFO  L226             Difference]: Without dead ends: 1072
[2020-07-21 02:16:58,386 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-21 02:16:58,387 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1072 states.
[2020-07-21 02:16:58,453 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1052.
[2020-07-21 02:16:58,454 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1052 states.
[2020-07-21 02:16:58,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1266 transitions.
[2020-07-21 02:16:58,459 INFO  L78                 Accepts]: Start accepts. Automaton has 1052 states and 1266 transitions. Word has length 147
[2020-07-21 02:16:58,460 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:58,460 INFO  L479      AbstractCegarLoop]: Abstraction has 1052 states and 1266 transitions.
[2020-07-21 02:16:58,460 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 02:16:58,460 INFO  L276                IsEmpty]: Start isEmpty. Operand 1052 states and 1266 transitions.
[2020-07-21 02:16:58,462 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2020-07-21 02:16:58,462 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:16:58,462 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:16:58,676 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:58,677 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:58,677 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:58,677 INFO  L82        PathProgramCache]: Analyzing trace with hash -1357284192, now seen corresponding path program 1 times
[2020-07-21 02:16:58,677 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:58,678 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173413359]
[2020-07-21 02:16:58,678 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:58,786 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 02:16:58,786 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:58,788 INFO  L263         TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 02:16:58,791 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:58,819 INFO  L134       CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2020-07-21 02:16:58,819 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:58,820 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173413359]
[2020-07-21 02:16:58,820 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:58,820 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:16:58,820 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548417428]
[2020-07-21 02:16:58,821 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:16:58,821 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:58,821 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:16:58,821 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:16:58,822 INFO  L87              Difference]: Start difference. First operand 1052 states and 1266 transitions. Second operand 3 states.
[2020-07-21 02:16:58,910 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:58,910 INFO  L93              Difference]: Finished difference Result 2901 states and 3560 transitions.
[2020-07-21 02:16:58,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:16:58,911 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 147
[2020-07-21 02:16:58,913 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:58,924 INFO  L225             Difference]: With dead ends: 2901
[2020-07-21 02:16:58,924 INFO  L226             Difference]: Without dead ends: 1871
[2020-07-21 02:16:58,928 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:16:58,930 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1871 states.
[2020-07-21 02:16:59,031 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1871.
[2020-07-21 02:16:59,031 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1871 states.
[2020-07-21 02:16:59,041 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2283 transitions.
[2020-07-21 02:16:59,042 INFO  L78                 Accepts]: Start accepts. Automaton has 1871 states and 2283 transitions. Word has length 147
[2020-07-21 02:16:59,043 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:59,043 INFO  L479      AbstractCegarLoop]: Abstraction has 1871 states and 2283 transitions.
[2020-07-21 02:16:59,043 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:16:59,043 INFO  L276                IsEmpty]: Start isEmpty. Operand 1871 states and 2283 transitions.
[2020-07-21 02:16:59,047 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2020-07-21 02:16:59,047 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:16:59,048 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:16:59,261 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:59,262 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:59,262 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:59,262 INFO  L82        PathProgramCache]: Analyzing trace with hash -1552788304, now seen corresponding path program 1 times
[2020-07-21 02:16:59,263 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:59,264 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1221042429]
[2020-07-21 02:16:59,264 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:59,494 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 02:16:59,495 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:59,497 INFO  L263         TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-21 02:16:59,500 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:59,543 INFO  L134       CoverageAnalysis]: Checked inductivity of 105 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2020-07-21 02:16:59,543 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:59,543 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1221042429]
[2020-07-21 02:16:59,544 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:59,544 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:16:59,544 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496113824]
[2020-07-21 02:16:59,545 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:16:59,545 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:59,545 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:16:59,545 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:16:59,545 INFO  L87              Difference]: Start difference. First operand 1871 states and 2283 transitions. Second operand 3 states.
[2020-07-21 02:16:59,649 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:59,649 INFO  L93              Difference]: Finished difference Result 2925 states and 3680 transitions.
[2020-07-21 02:16:59,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:16:59,650 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 191
[2020-07-21 02:16:59,650 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:59,659 INFO  L225             Difference]: With dead ends: 2925
[2020-07-21 02:16:59,659 INFO  L226             Difference]: Without dead ends: 1873
[2020-07-21 02:16:59,664 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:16:59,666 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1873 states.
[2020-07-21 02:16:59,755 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1871.
[2020-07-21 02:16:59,756 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1871 states.
[2020-07-21 02:16:59,765 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2265 transitions.
[2020-07-21 02:16:59,766 INFO  L78                 Accepts]: Start accepts. Automaton has 1871 states and 2265 transitions. Word has length 191
[2020-07-21 02:16:59,766 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:59,767 INFO  L479      AbstractCegarLoop]: Abstraction has 1871 states and 2265 transitions.
[2020-07-21 02:16:59,767 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:16:59,767 INFO  L276                IsEmpty]: Start isEmpty. Operand 1871 states and 2265 transitions.
[2020-07-21 02:16:59,771 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2020-07-21 02:16:59,771 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:16:59,771 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:16:59,985 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:59,986 INFO  L427      AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:59,986 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:59,986 INFO  L82        PathProgramCache]: Analyzing trace with hash -752961142, now seen corresponding path program 1 times
[2020-07-21 02:16:59,986 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:59,987 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002025685]
[2020-07-21 02:16:59,987 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:00,091 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-21 02:17:00,093 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:00,094 INFO  L263         TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-21 02:17:00,098 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:00,205 INFO  L134       CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked.
[2020-07-21 02:17:00,206 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:00,206 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002025685]
[2020-07-21 02:17:00,206 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:00,206 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:17:00,206 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305179314]
[2020-07-21 02:17:00,207 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:17:00,207 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:00,207 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:17:00,207 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:00,208 INFO  L87              Difference]: Start difference. First operand 1871 states and 2265 transitions. Second operand 3 states.
[2020-07-21 02:17:00,307 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:00,307 INFO  L93              Difference]: Finished difference Result 3324 states and 4019 transitions.
[2020-07-21 02:17:00,308 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:17:00,308 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 191
[2020-07-21 02:17:00,308 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:00,315 INFO  L225             Difference]: With dead ends: 3324
[2020-07-21 02:17:00,316 INFO  L226             Difference]: Without dead ends: 1474
[2020-07-21 02:17:00,321 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:00,323 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1474 states.
[2020-07-21 02:17:00,399 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1474.
[2020-07-21 02:17:00,400 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1474 states.
[2020-07-21 02:17:00,405 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 1780 transitions.
[2020-07-21 02:17:00,406 INFO  L78                 Accepts]: Start accepts. Automaton has 1474 states and 1780 transitions. Word has length 191
[2020-07-21 02:17:00,406 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:00,406 INFO  L479      AbstractCegarLoop]: Abstraction has 1474 states and 1780 transitions.
[2020-07-21 02:17:00,407 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:17:00,407 INFO  L276                IsEmpty]: Start isEmpty. Operand 1474 states and 1780 transitions.
[2020-07-21 02:17:00,410 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2020-07-21 02:17:00,410 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:00,410 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:00,625 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:00,626 INFO  L427      AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:00,626 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:00,626 INFO  L82        PathProgramCache]: Analyzing trace with hash 674078602, now seen corresponding path program 1 times
[2020-07-21 02:17:00,627 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:00,627 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055895076]
[2020-07-21 02:17:00,627 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:00,795 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 02:17:00,796 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:00,799 INFO  L263         TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-21 02:17:00,805 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:00,873 INFO  L134       CoverageAnalysis]: Checked inductivity of 105 backedges. 14 proven. 61 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2020-07-21 02:17:00,874 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 02:17:01,201 INFO  L134       CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked.
[2020-07-21 02:17:01,202 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055895076]
[2020-07-21 02:17:01,202 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-07-21 02:17:01,202 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6
[2020-07-21 02:17:01,202 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681886228]
[2020-07-21 02:17:01,203 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 02:17:01,203 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:01,203 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 02:17:01,204 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:17:01,204 INFO  L87              Difference]: Start difference. First operand 1474 states and 1780 transitions. Second operand 5 states.
[2020-07-21 02:17:01,799 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:01,799 INFO  L93              Difference]: Finished difference Result 4667 states and 5997 transitions.
[2020-07-21 02:17:01,800 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 02:17:01,800 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 191
[2020-07-21 02:17:01,800 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:01,818 INFO  L225             Difference]: With dead ends: 4667
[2020-07-21 02:17:01,818 INFO  L226             Difference]: Without dead ends: 3214
[2020-07-21 02:17:01,824 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 372 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:17:01,828 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3214 states.
[2020-07-21 02:17:02,035 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3214 to 3070.
[2020-07-21 02:17:02,035 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3070 states.
[2020-07-21 02:17:02,048 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 3941 transitions.
[2020-07-21 02:17:02,049 INFO  L78                 Accepts]: Start accepts. Automaton has 3070 states and 3941 transitions. Word has length 191
[2020-07-21 02:17:02,050 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:02,050 INFO  L479      AbstractCegarLoop]: Abstraction has 3070 states and 3941 transitions.
[2020-07-21 02:17:02,050 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 02:17:02,050 INFO  L276                IsEmpty]: Start isEmpty. Operand 3070 states and 3941 transitions.
[2020-07-21 02:17:02,054 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2020-07-21 02:17:02,054 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:02,055 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:02,268 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:02,269 INFO  L427      AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:02,269 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:02,269 INFO  L82        PathProgramCache]: Analyzing trace with hash -2111585836, now seen corresponding path program 1 times
[2020-07-21 02:17:02,269 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:02,269 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588483338]
[2020-07-21 02:17:02,270 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:02,386 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 02:17:02,387 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:02,389 INFO  L263         TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-21 02:17:02,399 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:02,464 INFO  L134       CoverageAnalysis]: Checked inductivity of 107 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2020-07-21 02:17:02,465 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 02:17:02,804 INFO  L134       CoverageAnalysis]: Checked inductivity of 107 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked.
[2020-07-21 02:17:02,807 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588483338]
[2020-07-21 02:17:02,808 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-07-21 02:17:02,808 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6
[2020-07-21 02:17:02,808 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228398633]
[2020-07-21 02:17:02,810 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 02:17:02,810 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:02,810 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 02:17:02,811 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:17:02,811 INFO  L87              Difference]: Start difference. First operand 3070 states and 3941 transitions. Second operand 5 states.
[2020-07-21 02:17:03,705 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:03,705 INFO  L93              Difference]: Finished difference Result 10421 states and 14714 transitions.
[2020-07-21 02:17:03,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 02:17:03,706 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 192
[2020-07-21 02:17:03,706 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:03,752 INFO  L225             Difference]: With dead ends: 10421
[2020-07-21 02:17:03,753 INFO  L226             Difference]: Without dead ends: 7372
[2020-07-21 02:17:03,770 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 374 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:17:03,779 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7372 states.
[2020-07-21 02:17:04,263 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7372 to 6792.
[2020-07-21 02:17:04,264 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6792 states.
[2020-07-21 02:17:04,290 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6792 states to 6792 states and 9731 transitions.
[2020-07-21 02:17:04,293 INFO  L78                 Accepts]: Start accepts. Automaton has 6792 states and 9731 transitions. Word has length 192
[2020-07-21 02:17:04,296 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:04,296 INFO  L479      AbstractCegarLoop]: Abstraction has 6792 states and 9731 transitions.
[2020-07-21 02:17:04,296 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 02:17:04,296 INFO  L276                IsEmpty]: Start isEmpty. Operand 6792 states and 9731 transitions.
[2020-07-21 02:17:04,309 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2020-07-21 02:17:04,309 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:04,309 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:04,522 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:04,523 INFO  L427      AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:04,523 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:04,523 INFO  L82        PathProgramCache]: Analyzing trace with hash -797331926, now seen corresponding path program 1 times
[2020-07-21 02:17:04,523 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:04,523 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341681223]
[2020-07-21 02:17:04,524 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:04,622 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 02:17:04,623 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:04,624 INFO  L263         TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-21 02:17:04,628 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:04,662 INFO  L134       CoverageAnalysis]: Checked inductivity of 134 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2020-07-21 02:17:04,663 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:04,663 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341681223]
[2020-07-21 02:17:04,663 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:04,663 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:17:04,663 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720063093]
[2020-07-21 02:17:04,664 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:17:04,664 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:04,664 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:17:04,664 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:04,664 INFO  L87              Difference]: Start difference. First operand 6792 states and 9731 transitions. Second operand 3 states.
[2020-07-21 02:17:05,068 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:05,068 INFO  L93              Difference]: Finished difference Result 14232 states and 20564 transitions.
[2020-07-21 02:17:05,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:17:05,069 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 210
[2020-07-21 02:17:05,069 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:05,125 INFO  L225             Difference]: With dead ends: 14232
[2020-07-21 02:17:05,125 INFO  L226             Difference]: Without dead ends: 7462
[2020-07-21 02:17:05,162 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:05,171 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7462 states.
[2020-07-21 02:17:05,670 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7462 to 6760.
[2020-07-21 02:17:05,671 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6760 states.
[2020-07-21 02:17:05,693 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6760 states to 6760 states and 9563 transitions.
[2020-07-21 02:17:05,696 INFO  L78                 Accepts]: Start accepts. Automaton has 6760 states and 9563 transitions. Word has length 210
[2020-07-21 02:17:05,697 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:05,697 INFO  L479      AbstractCegarLoop]: Abstraction has 6760 states and 9563 transitions.
[2020-07-21 02:17:05,697 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:17:05,697 INFO  L276                IsEmpty]: Start isEmpty. Operand 6760 states and 9563 transitions.
[2020-07-21 02:17:05,705 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2020-07-21 02:17:05,705 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:05,706 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:05,920 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:05,921 INFO  L427      AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:05,921 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:05,921 INFO  L82        PathProgramCache]: Analyzing trace with hash -2011996507, now seen corresponding path program 1 times
[2020-07-21 02:17:05,921 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:05,922 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [358064372]
[2020-07-21 02:17:05,922 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:06,035 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 02:17:06,035 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:06,037 INFO  L263         TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 02:17:06,040 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:06,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 134 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2020-07-21 02:17:06,071 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:06,072 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [358064372]
[2020-07-21 02:17:06,072 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:06,072 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:17:06,072 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296366302]
[2020-07-21 02:17:06,072 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:17:06,073 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:06,073 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:17:06,073 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:06,073 INFO  L87              Difference]: Start difference. First operand 6760 states and 9563 transitions. Second operand 3 states.
[2020-07-21 02:17:06,533 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:06,533 INFO  L93              Difference]: Finished difference Result 18773 states and 27782 transitions.
[2020-07-21 02:17:06,534 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:17:06,534 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 211
[2020-07-21 02:17:06,534 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:06,596 INFO  L225             Difference]: With dead ends: 18773
[2020-07-21 02:17:06,596 INFO  L226             Difference]: Without dead ends: 12035
[2020-07-21 02:17:06,628 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:06,641 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12035 states.
[2020-07-21 02:17:07,416 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12035 to 12031.
[2020-07-21 02:17:07,416 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12031 states.
[2020-07-21 02:17:07,464 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12031 states to 12031 states and 17440 transitions.
[2020-07-21 02:17:07,470 INFO  L78                 Accepts]: Start accepts. Automaton has 12031 states and 17440 transitions. Word has length 211
[2020-07-21 02:17:07,470 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:07,471 INFO  L479      AbstractCegarLoop]: Abstraction has 12031 states and 17440 transitions.
[2020-07-21 02:17:07,471 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:17:07,471 INFO  L276                IsEmpty]: Start isEmpty. Operand 12031 states and 17440 transitions.
[2020-07-21 02:17:07,490 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2020-07-21 02:17:07,490 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:07,490 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:07,704 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:07,705 INFO  L427      AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:07,705 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:07,705 INFO  L82        PathProgramCache]: Analyzing trace with hash 1402880772, now seen corresponding path program 1 times
[2020-07-21 02:17:07,706 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:07,706 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636444027]
[2020-07-21 02:17:07,706 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:07,814 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 02:17:07,814 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:07,816 INFO  L263         TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-21 02:17:07,829 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:07,866 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2020-07-21 02:17:07,866 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:07,866 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636444027]
[2020-07-21 02:17:07,867 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:07,867 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-21 02:17:07,867 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309784996]
[2020-07-21 02:17:07,868 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-21 02:17:07,868 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:07,868 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-21 02:17:07,868 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-21 02:17:07,868 INFO  L87              Difference]: Start difference. First operand 12031 states and 17440 transitions. Second operand 4 states.
[2020-07-21 02:17:09,765 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:09,765 INFO  L93              Difference]: Finished difference Result 35712 states and 59343 transitions.
[2020-07-21 02:17:09,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 02:17:09,765 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 211
[2020-07-21 02:17:09,766 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:09,879 INFO  L225             Difference]: With dead ends: 35712
[2020-07-21 02:17:09,879 INFO  L226             Difference]: Without dead ends: 23708
[2020-07-21 02:17:09,941 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-07-21 02:17:09,970 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23708 states.
[2020-07-21 02:17:11,333 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23708 to 22864.
[2020-07-21 02:17:11,334 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 22864 states.
[2020-07-21 02:17:11,412 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22864 states to 22864 states and 34837 transitions.
[2020-07-21 02:17:11,421 INFO  L78                 Accepts]: Start accepts. Automaton has 22864 states and 34837 transitions. Word has length 211
[2020-07-21 02:17:11,421 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:11,421 INFO  L479      AbstractCegarLoop]: Abstraction has 22864 states and 34837 transitions.
[2020-07-21 02:17:11,422 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-21 02:17:11,422 INFO  L276                IsEmpty]: Start isEmpty. Operand 22864 states and 34837 transitions.
[2020-07-21 02:17:11,446 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2020-07-21 02:17:11,446 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:11,446 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:11,660 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:11,661 INFO  L427      AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:11,661 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:11,661 INFO  L82        PathProgramCache]: Analyzing trace with hash 1329296194, now seen corresponding path program 1 times
[2020-07-21 02:17:11,662 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:11,662 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648983404]
[2020-07-21 02:17:11,662 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:11,748 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-21 02:17:11,749 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:11,749 INFO  L263         TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-21 02:17:11,752 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:11,958 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2020-07-21 02:17:11,958 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:11,958 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648983404]
[2020-07-21 02:17:11,959 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:11,959 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:17:11,959 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887043863]
[2020-07-21 02:17:11,959 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:17:11,960 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:11,960 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:17:11,960 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:11,960 INFO  L87              Difference]: Start difference. First operand 22864 states and 34837 transitions. Second operand 3 states.
[2020-07-21 02:17:12,598 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:12,599 INFO  L93              Difference]: Finished difference Result 41808 states and 64174 transitions.
[2020-07-21 02:17:12,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:17:12,599 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 211
[2020-07-21 02:17:12,599 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:12,695 INFO  L225             Difference]: With dead ends: 41808
[2020-07-21 02:17:12,695 INFO  L226             Difference]: Without dead ends: 18971
[2020-07-21 02:17:13,026 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:13,040 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18971 states.
[2020-07-21 02:17:14,144 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18971 to 18971.
[2020-07-21 02:17:14,144 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 18971 states.
[2020-07-21 02:17:14,200 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18971 states to 18971 states and 29373 transitions.
[2020-07-21 02:17:14,207 INFO  L78                 Accepts]: Start accepts. Automaton has 18971 states and 29373 transitions. Word has length 211
[2020-07-21 02:17:14,207 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:14,207 INFO  L479      AbstractCegarLoop]: Abstraction has 18971 states and 29373 transitions.
[2020-07-21 02:17:14,207 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:17:14,207 INFO  L276                IsEmpty]: Start isEmpty. Operand 18971 states and 29373 transitions.
[2020-07-21 02:17:14,221 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 213
[2020-07-21 02:17:14,221 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:14,221 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:14,434 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:14,435 INFO  L427      AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:14,435 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:14,435 INFO  L82        PathProgramCache]: Analyzing trace with hash 1465510830, now seen corresponding path program 1 times
[2020-07-21 02:17:14,435 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:14,435 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1219545919]
[2020-07-21 02:17:14,436 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:14,552 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 02:17:14,552 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:14,553 INFO  L263         TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 02:17:14,556 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:14,593 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2020-07-21 02:17:14,593 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:14,593 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1219545919]
[2020-07-21 02:17:14,593 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:14,594 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:17:14,594 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615212919]
[2020-07-21 02:17:14,594 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:17:14,595 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:14,595 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:17:14,595 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:14,595 INFO  L87              Difference]: Start difference. First operand 18971 states and 29373 transitions. Second operand 3 states.
[2020-07-21 02:17:15,161 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:15,161 INFO  L93              Difference]: Finished difference Result 30075 states and 47713 transitions.
[2020-07-21 02:17:15,162 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:17:15,162 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 212
[2020-07-21 02:17:15,162 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:15,225 INFO  L225             Difference]: With dead ends: 30075
[2020-07-21 02:17:15,225 INFO  L226             Difference]: Without dead ends: 15165
[2020-07-21 02:17:15,292 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 209 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:15,309 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15165 states.
[2020-07-21 02:17:16,875 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15165 to 14181.
[2020-07-21 02:17:16,875 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 14181 states.
[2020-07-21 02:17:16,907 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14181 states to 14181 states and 19179 transitions.
[2020-07-21 02:17:16,912 INFO  L78                 Accepts]: Start accepts. Automaton has 14181 states and 19179 transitions. Word has length 212
[2020-07-21 02:17:16,912 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:16,913 INFO  L479      AbstractCegarLoop]: Abstraction has 14181 states and 19179 transitions.
[2020-07-21 02:17:16,913 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:17:16,913 INFO  L276                IsEmpty]: Start isEmpty. Operand 14181 states and 19179 transitions.
[2020-07-21 02:17:16,920 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 213
[2020-07-21 02:17:16,920 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:16,920 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:17,134 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:17,135 INFO  L427      AbstractCegarLoop]: === Iteration 19 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:17,135 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:17,136 INFO  L82        PathProgramCache]: Analyzing trace with hash 1291656528, now seen corresponding path program 1 times
[2020-07-21 02:17:17,136 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:17,136 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129705395]
[2020-07-21 02:17:17,137 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:17,213 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-21 02:17:17,213 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:17,214 INFO  L263         TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-21 02:17:17,217 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:17,251 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked.
[2020-07-21 02:17:17,251 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:17,251 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129705395]
[2020-07-21 02:17:17,251 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:17,252 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:17:17,252 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651194934]
[2020-07-21 02:17:17,253 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:17:17,253 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:17,254 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:17:17,254 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:17,254 INFO  L87              Difference]: Start difference. First operand 14181 states and 19179 transitions. Second operand 3 states.
[2020-07-21 02:17:17,726 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:17,726 INFO  L93              Difference]: Finished difference Result 25594 states and 34824 transitions.
[2020-07-21 02:17:17,726 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:17:17,726 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 212
[2020-07-21 02:17:17,727 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:17,765 INFO  L225             Difference]: With dead ends: 25594
[2020-07-21 02:17:17,765 INFO  L226             Difference]: Without dead ends: 11434
[2020-07-21 02:17:17,792 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:17,802 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11434 states.
[2020-07-21 02:17:18,358 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11434 to 11434.
[2020-07-21 02:17:18,359 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11434 states.
[2020-07-21 02:17:18,384 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11434 states to 11434 states and 15669 transitions.
[2020-07-21 02:17:18,388 INFO  L78                 Accepts]: Start accepts. Automaton has 11434 states and 15669 transitions. Word has length 212
[2020-07-21 02:17:18,388 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:18,388 INFO  L479      AbstractCegarLoop]: Abstraction has 11434 states and 15669 transitions.
[2020-07-21 02:17:18,388 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:17:18,388 INFO  L276                IsEmpty]: Start isEmpty. Operand 11434 states and 15669 transitions.
[2020-07-21 02:17:18,393 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 213
[2020-07-21 02:17:18,393 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:18,393 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:18,593 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:18,594 INFO  L427      AbstractCegarLoop]: === Iteration 20 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:18,595 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:18,595 INFO  L82        PathProgramCache]: Analyzing trace with hash -545801452, now seen corresponding path program 1 times
[2020-07-21 02:17:18,595 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:18,596 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327662477]
[2020-07-21 02:17:18,596 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:18,690 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 02:17:18,690 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:18,692 INFO  L263         TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 15 conjunts are in the unsatisfiable core
[2020-07-21 02:17:18,695 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:18,738 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2020-07-21 02:17:18,738 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:18,739 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327662477]
[2020-07-21 02:17:18,739 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:18,739 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-21 02:17:18,739 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156307430]
[2020-07-21 02:17:18,740 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-21 02:17:18,740 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:18,740 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-21 02:17:18,740 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-21 02:17:18,740 INFO  L87              Difference]: Start difference. First operand 11434 states and 15669 transitions. Second operand 4 states.
[2020-07-21 02:17:19,668 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:19,668 INFO  L93              Difference]: Finished difference Result 24294 states and 34990 transitions.
[2020-07-21 02:17:19,669 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-21 02:17:19,669 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 212
[2020-07-21 02:17:19,669 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:19,709 INFO  L225             Difference]: With dead ends: 24294
[2020-07-21 02:17:19,709 INFO  L226             Difference]: Without dead ends: 12882
[2020-07-21 02:17:19,732 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-07-21 02:17:19,742 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12882 states.
[2020-07-21 02:17:20,339 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12882 to 12540.
[2020-07-21 02:17:20,340 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12540 states.
[2020-07-21 02:17:20,368 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12540 states to 12540 states and 16989 transitions.
[2020-07-21 02:17:20,372 INFO  L78                 Accepts]: Start accepts. Automaton has 12540 states and 16989 transitions. Word has length 212
[2020-07-21 02:17:20,372 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:20,372 INFO  L479      AbstractCegarLoop]: Abstraction has 12540 states and 16989 transitions.
[2020-07-21 02:17:20,372 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-21 02:17:20,372 INFO  L276                IsEmpty]: Start isEmpty. Operand 12540 states and 16989 transitions.
[2020-07-21 02:17:20,378 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2020-07-21 02:17:20,378 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:20,378 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:20,579 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:20,579 INFO  L427      AbstractCegarLoop]: === Iteration 21 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:20,580 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:20,580 INFO  L82        PathProgramCache]: Analyzing trace with hash 1061507668, now seen corresponding path program 1 times
[2020-07-21 02:17:20,580 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:20,581 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479599919]
[2020-07-21 02:17:20,581 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:20,701 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 02:17:20,701 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:20,703 INFO  L263         TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-21 02:17:20,707 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:20,739 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-07-21 02:17:20,739 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:20,739 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479599919]
[2020-07-21 02:17:20,740 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:20,740 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:17:20,740 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729092817]
[2020-07-21 02:17:20,740 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:17:20,741 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:20,741 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:17:20,741 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:20,741 INFO  L87              Difference]: Start difference. First operand 12540 states and 16989 transitions. Second operand 3 states.
[2020-07-21 02:17:21,288 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:21,288 INFO  L93              Difference]: Finished difference Result 21062 states and 29979 transitions.
[2020-07-21 02:17:21,288 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:17:21,288 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 213
[2020-07-21 02:17:21,289 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:21,314 INFO  L225             Difference]: With dead ends: 21062
[2020-07-21 02:17:21,314 INFO  L226             Difference]: Without dead ends: 11410
[2020-07-21 02:17:21,335 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:21,342 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11410 states.
[2020-07-21 02:17:21,740 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11410 to 11402.
[2020-07-21 02:17:21,741 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11402 states.
[2020-07-21 02:17:21,763 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11402 states to 11402 states and 14513 transitions.
[2020-07-21 02:17:21,766 INFO  L78                 Accepts]: Start accepts. Automaton has 11402 states and 14513 transitions. Word has length 213
[2020-07-21 02:17:21,766 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:21,766 INFO  L479      AbstractCegarLoop]: Abstraction has 11402 states and 14513 transitions.
[2020-07-21 02:17:21,766 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:17:21,766 INFO  L276                IsEmpty]: Start isEmpty. Operand 11402 states and 14513 transitions.
[2020-07-21 02:17:21,771 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2020-07-21 02:17:21,771 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:21,771 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:21,971 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:21,972 INFO  L427      AbstractCegarLoop]: === Iteration 22 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:21,972 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:21,972 INFO  L82        PathProgramCache]: Analyzing trace with hash 908989622, now seen corresponding path program 1 times
[2020-07-21 02:17:21,973 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:21,973 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250222873]
[2020-07-21 02:17:21,974 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:22,108 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 02:17:22,108 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:22,110 INFO  L263         TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-21 02:17:22,117 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:22,144 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked.
[2020-07-21 02:17:22,144 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:22,144 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250222873]
[2020-07-21 02:17:22,144 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:22,144 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:17:22,145 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235955864]
[2020-07-21 02:17:22,145 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:17:22,145 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:22,145 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:17:22,146 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:22,146 INFO  L87              Difference]: Start difference. First operand 11402 states and 14513 transitions. Second operand 3 states.
[2020-07-21 02:17:22,639 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:22,639 INFO  L93              Difference]: Finished difference Result 19032 states and 25404 transitions.
[2020-07-21 02:17:22,641 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:17:22,641 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 214
[2020-07-21 02:17:22,641 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:22,664 INFO  L225             Difference]: With dead ends: 19032
[2020-07-21 02:17:22,664 INFO  L226             Difference]: Without dead ends: 10936
[2020-07-21 02:17:22,678 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:22,685 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10936 states.
[2020-07-21 02:17:23,065 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10936 to 10930.
[2020-07-21 02:17:23,065 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 10930 states.
[2020-07-21 02:17:23,085 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10930 states to 10930 states and 13535 transitions.
[2020-07-21 02:17:23,088 INFO  L78                 Accepts]: Start accepts. Automaton has 10930 states and 13535 transitions. Word has length 214
[2020-07-21 02:17:23,089 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:23,089 INFO  L479      AbstractCegarLoop]: Abstraction has 10930 states and 13535 transitions.
[2020-07-21 02:17:23,089 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:17:23,089 INFO  L276                IsEmpty]: Start isEmpty. Operand 10930 states and 13535 transitions.
[2020-07-21 02:17:23,095 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 216
[2020-07-21 02:17:23,096 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:23,096 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:23,310 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:23,311 INFO  L427      AbstractCegarLoop]: === Iteration 23 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:23,311 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:23,311 INFO  L82        PathProgramCache]: Analyzing trace with hash -1796614603, now seen corresponding path program 1 times
[2020-07-21 02:17:23,311 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:23,311 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148489168]
[2020-07-21 02:17:23,312 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:23,444 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 02:17:23,445 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:23,446 INFO  L263         TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-21 02:17:23,449 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:23,496 INFO  L134       CoverageAnalysis]: Checked inductivity of 138 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2020-07-21 02:17:23,496 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:23,497 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148489168]
[2020-07-21 02:17:23,497 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:23,497 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 02:17:23,497 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472680402]
[2020-07-21 02:17:23,499 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 02:17:23,499 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:23,499 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 02:17:23,500 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:17:23,500 INFO  L87              Difference]: Start difference. First operand 10930 states and 13535 transitions. Second operand 6 states.
[2020-07-21 02:17:23,865 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:23,865 INFO  L93              Difference]: Finished difference Result 20471 states and 26272 transitions.
[2020-07-21 02:17:23,865 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 02:17:23,865 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 215
[2020-07-21 02:17:23,866 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:23,888 INFO  L225             Difference]: With dead ends: 20471
[2020-07-21 02:17:23,889 INFO  L226             Difference]: Without dead ends: 9562
[2020-07-21 02:17:23,906 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-21 02:17:23,912 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9562 states.
[2020-07-21 02:17:24,355 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9562 to 9558.
[2020-07-21 02:17:24,355 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9558 states.
[2020-07-21 02:17:24,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9558 states to 9558 states and 11567 transitions.
[2020-07-21 02:17:24,375 INFO  L78                 Accepts]: Start accepts. Automaton has 9558 states and 11567 transitions. Word has length 215
[2020-07-21 02:17:24,375 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:24,375 INFO  L479      AbstractCegarLoop]: Abstraction has 9558 states and 11567 transitions.
[2020-07-21 02:17:24,375 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 02:17:24,376 INFO  L276                IsEmpty]: Start isEmpty. Operand 9558 states and 11567 transitions.
[2020-07-21 02:17:24,381 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 216
[2020-07-21 02:17:24,381 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:24,382 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:24,594 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:24,595 INFO  L427      AbstractCegarLoop]: === Iteration 24 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:24,595 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:24,596 INFO  L82        PathProgramCache]: Analyzing trace with hash 592829452, now seen corresponding path program 1 times
[2020-07-21 02:17:24,596 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:24,597 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735505034]
[2020-07-21 02:17:24,597 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:24,713 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 02:17:24,713 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:24,715 INFO  L263         TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-21 02:17:24,717 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:24,766 INFO  L134       CoverageAnalysis]: Checked inductivity of 138 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked.
[2020-07-21 02:17:24,766 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:24,766 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735505034]
[2020-07-21 02:17:24,766 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:24,767 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 02:17:24,767 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140752015]
[2020-07-21 02:17:24,767 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 02:17:24,767 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:24,768 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 02:17:24,768 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:17:24,768 INFO  L87              Difference]: Start difference. First operand 9558 states and 11567 transitions. Second operand 6 states.
[2020-07-21 02:17:24,969 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:24,970 INFO  L93              Difference]: Finished difference Result 14201 states and 17337 transitions.
[2020-07-21 02:17:24,970 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-21 02:17:24,970 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 215
[2020-07-21 02:17:24,970 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:24,981 INFO  L225             Difference]: With dead ends: 14201
[2020-07-21 02:17:24,981 INFO  L226             Difference]: Without dead ends: 2794
[2020-07-21 02:17:24,994 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-21 02:17:24,996 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2794 states.
[2020-07-21 02:17:25,092 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 2768.
[2020-07-21 02:17:25,092 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2768 states.
[2020-07-21 02:17:25,096 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 3161 transitions.
[2020-07-21 02:17:25,098 INFO  L78                 Accepts]: Start accepts. Automaton has 2768 states and 3161 transitions. Word has length 215
[2020-07-21 02:17:25,098 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:25,098 INFO  L479      AbstractCegarLoop]: Abstraction has 2768 states and 3161 transitions.
[2020-07-21 02:17:25,098 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 02:17:25,098 INFO  L276                IsEmpty]: Start isEmpty. Operand 2768 states and 3161 transitions.
[2020-07-21 02:17:25,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 362
[2020-07-21 02:17:25,104 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:25,104 INFO  L422         BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:25,319 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:25,320 INFO  L427      AbstractCegarLoop]: === Iteration 25 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:25,320 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:25,320 INFO  L82        PathProgramCache]: Analyzing trace with hash 1630965675, now seen corresponding path program 1 times
[2020-07-21 02:17:25,321 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:25,321 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1149305454]
[2020-07-21 02:17:25,322 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:25,452 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 02:17:25,452 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:25,454 INFO  L263         TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-21 02:17:25,459 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:25,528 INFO  L134       CoverageAnalysis]: Checked inductivity of 456 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked.
[2020-07-21 02:17:25,528 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:25,528 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1149305454]
[2020-07-21 02:17:25,529 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:25,529 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 02:17:25,529 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422152891]
[2020-07-21 02:17:25,530 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 02:17:25,530 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:25,530 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 02:17:25,530 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:17:25,530 INFO  L87              Difference]: Start difference. First operand 2768 states and 3161 transitions. Second operand 6 states.
[2020-07-21 02:17:25,587 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:25,587 INFO  L93              Difference]: Finished difference Result 3200 states and 3629 transitions.
[2020-07-21 02:17:25,587 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-21 02:17:25,588 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 361
[2020-07-21 02:17:25,588 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:25,589 INFO  L225             Difference]: With dead ends: 3200
[2020-07-21 02:17:25,589 INFO  L226             Difference]: Without dead ends: 454
[2020-07-21 02:17:25,592 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-07-21 02:17:25,592 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 454 states.
[2020-07-21 02:17:25,608 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 451.
[2020-07-21 02:17:25,608 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 451 states.
[2020-07-21 02:17:25,608 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 474 transitions.
[2020-07-21 02:17:25,609 INFO  L78                 Accepts]: Start accepts. Automaton has 451 states and 474 transitions. Word has length 361
[2020-07-21 02:17:25,609 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:25,609 INFO  L479      AbstractCegarLoop]: Abstraction has 451 states and 474 transitions.
[2020-07-21 02:17:25,609 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 02:17:25,609 INFO  L276                IsEmpty]: Start isEmpty. Operand 451 states and 474 transitions.
[2020-07-21 02:17:25,610 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2020-07-21 02:17:25,610 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:25,610 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:25,818 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:25,819 INFO  L427      AbstractCegarLoop]: === Iteration 26 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:25,819 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:25,819 INFO  L82        PathProgramCache]: Analyzing trace with hash -373872983, now seen corresponding path program 1 times
[2020-07-21 02:17:25,820 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:25,820 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840461339]
[2020-07-21 02:17:25,821 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:25,974 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 02:17:25,974 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:25,976 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 23 conjunts are in the unsatisfiable core
[2020-07-21 02:17:25,980 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:26,070 INFO  L134       CoverageAnalysis]: Checked inductivity of 239 backedges. 70 proven. 66 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked.
[2020-07-21 02:17:26,071 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 02:17:26,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 239 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked.
[2020-07-21 02:17:26,418 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840461339]
[2020-07-21 02:17:26,418 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-07-21 02:17:26,418 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 11
[2020-07-21 02:17:26,418 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299242063]
[2020-07-21 02:17:26,419 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-07-21 02:17:26,419 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:26,419 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-07-21 02:17:26,419 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110
[2020-07-21 02:17:26,419 INFO  L87              Difference]: Start difference. First operand 451 states and 474 transitions. Second operand 9 states.
[2020-07-21 02:17:27,137 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:27,137 INFO  L93              Difference]: Finished difference Result 453 states and 475 transitions.
[2020-07-21 02:17:27,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-07-21 02:17:27,137 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 267
[2020-07-21 02:17:27,138 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:27,138 INFO  L225             Difference]: With dead ends: 453
[2020-07-21 02:17:27,139 INFO  L226             Difference]: Without dead ends: 450
[2020-07-21 02:17:27,139 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272
[2020-07-21 02:17:27,140 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 450 states.
[2020-07-21 02:17:27,166 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450.
[2020-07-21 02:17:27,167 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 450 states.
[2020-07-21 02:17:27,168 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 472 transitions.
[2020-07-21 02:17:27,168 INFO  L78                 Accepts]: Start accepts. Automaton has 450 states and 472 transitions. Word has length 267
[2020-07-21 02:17:27,168 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:27,168 INFO  L479      AbstractCegarLoop]: Abstraction has 450 states and 472 transitions.
[2020-07-21 02:17:27,168 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-07-21 02:17:27,169 INFO  L276                IsEmpty]: Start isEmpty. Operand 450 states and 472 transitions.
[2020-07-21 02:17:27,170 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 272
[2020-07-21 02:17:27,170 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:27,170 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:27,385 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:27,386 INFO  L427      AbstractCegarLoop]: === Iteration 27 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:27,386 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:27,386 INFO  L82        PathProgramCache]: Analyzing trace with hash -271251823, now seen corresponding path program 1 times
[2020-07-21 02:17:27,387 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:27,387 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475383908]
[2020-07-21 02:17:27,387 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:27,540 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 02:17:27,540 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:17:27,542 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 02:17:27,546 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:17:27,588 INFO  L134       CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked.
[2020-07-21 02:17:27,588 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:17:27,588 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475383908]
[2020-07-21 02:17:27,588 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:17:27,589 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 02:17:27,589 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046107047]
[2020-07-21 02:17:27,589 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 02:17:27,590 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:17:27,590 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 02:17:27,590 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:27,590 INFO  L87              Difference]: Start difference. First operand 450 states and 472 transitions. Second operand 3 states.
[2020-07-21 02:17:27,646 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:17:27,647 INFO  L93              Difference]: Finished difference Result 643 states and 675 transitions.
[2020-07-21 02:17:27,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-21 02:17:27,647 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 271
[2020-07-21 02:17:27,648 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:17:27,649 INFO  L225             Difference]: With dead ends: 643
[2020-07-21 02:17:27,649 INFO  L226             Difference]: Without dead ends: 457
[2020-07-21 02:17:27,650 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 02:17:27,651 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 457 states.
[2020-07-21 02:17:27,694 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457.
[2020-07-21 02:17:27,695 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 457 states.
[2020-07-21 02:17:27,696 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 480 transitions.
[2020-07-21 02:17:27,696 INFO  L78                 Accepts]: Start accepts. Automaton has 457 states and 480 transitions. Word has length 271
[2020-07-21 02:17:27,697 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:17:27,697 INFO  L479      AbstractCegarLoop]: Abstraction has 457 states and 480 transitions.
[2020-07-21 02:17:27,697 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 02:17:27,697 INFO  L276                IsEmpty]: Start isEmpty. Operand 457 states and 480 transitions.
[2020-07-21 02:17:27,700 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 273
[2020-07-21 02:17:27,700 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-21 02:17:27,701 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 02:17:27,915 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:27,916 INFO  L427      AbstractCegarLoop]: === Iteration 28 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:17:27,916 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:17:27,916 INFO  L82        PathProgramCache]: Analyzing trace with hash 1410375831, now seen corresponding path program 1 times
[2020-07-21 02:17:27,918 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:17:27,918 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022163960]
[2020-07-21 02:17:27,918 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:28,078 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 02:17:28,079 INFO  L229   tOrderPrioritization]: Conjunction of SSA is sat
[2020-07-21 02:17:28,079 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 02:17:28,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-21 02:17:28,142 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 02:17:28,459 INFO  L174   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-21 02:17:28,459 INFO  L520         BasicCegarLoop]: Counterexample might be feasible
[2020-07-21 02:17:28,672 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:17:28,837 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 02:17:28 BoogieIcfgContainer
[2020-07-21 02:17:28,837 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 02:17:28,839 INFO  L168              Benchmark]: Toolchain (without parser) took 38462.15 ms. Allocated memory was 137.4 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 102.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 603.2 MB. Max. memory is 7.1 GB.
[2020-07-21 02:17:28,839 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-21 02:17:28,840 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 571.48 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 101.6 MB in the beginning and 181.5 MB in the end (delta: -79.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB.
[2020-07-21 02:17:28,840 INFO  L168              Benchmark]: Boogie Preprocessor took 64.34 ms. Allocated memory is still 204.5 MB. Free memory was 181.5 MB in the beginning and 179.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-07-21 02:17:28,840 INFO  L168              Benchmark]: RCFGBuilder took 649.24 ms. Allocated memory is still 204.5 MB. Free memory was 178.7 MB in the beginning and 139.7 MB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB.
[2020-07-21 02:17:28,841 INFO  L168              Benchmark]: TraceAbstraction took 37171.71 ms. Allocated memory was 204.5 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 139.0 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 573.0 MB. Max. memory is 7.1 GB.
[2020-07-21 02:17:28,842 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 137.4 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 571.48 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 101.6 MB in the beginning and 181.5 MB in the end (delta: -79.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 64.34 ms. Allocated memory is still 204.5 MB. Free memory was 181.5 MB in the beginning and 179.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 649.24 ms. Allocated memory is still 204.5 MB. Free memory was 178.7 MB in the beginning and 139.7 MB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 37171.71 ms. Allocated memory was 204.5 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 139.0 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 573.0 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L14]               int m_pc  =    0;
[L15]               int t1_pc  =    0;
[L16]               int t2_pc  =    0;
[L17]               int m_st  ;
[L18]               int t1_st  ;
[L19]               int t2_st  ;
[L20]               int m_i  ;
[L21]               int t1_i  ;
[L22]               int t2_i  ;
[L23]               int M_E  =    2;
[L24]               int T1_E  =    2;
[L25]               int T2_E  =    2;
[L26]               int E_M  =    2;
[L27]               int E_1  =    2;
[L28]               int E_2  =    2;
[L33]               int token  ;
[L35]               int local  ;
        VAL         [\old(E_1)=18, \old(E_2)=3, \old(E_M)=17, \old(local)=8, \old(M_E)=9, \old(m_i)=20, \old(m_pc)=6, \old(m_st)=11, \old(T1_E)=19, \old(t1_i)=15, \old(t1_pc)=13, \old(t1_st)=14, \old(T2_E)=10, \old(t2_i)=12, \old(t2_pc)=16, \old(t2_st)=7, \old(token)=4, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, token=0]
[L600]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, token=0]
[L604]  CALL        init_model()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0, T2_E=2, t2_i=0, t2_pc=0, t2_st=0, token=0]
[L514]              m_i = 1
[L515]              t1_i = 1
[L516]              t2_i = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L604]  RET         init_model()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L605]  CALL        start_simulation()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L541]              int kernel_st ;
[L542]              int tmp ;
[L543]              int tmp___0 ;
[L547]              kernel_st = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L548]  FCALL       update_channels()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L549]  CALL        init_threads()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L233]  COND TRUE   m_i == 1
[L234]              m_st = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L238]  COND TRUE   t1_i == 1
[L239]              t1_st = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L243]  COND TRUE   t2_i == 1
[L244]              t2_st = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L549]  RET         init_threads()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L550]  CALL        fire_delta_events()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L346]  COND FALSE  !(M_E == 0)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L351]  COND FALSE  !(T1_E == 0)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L356]  COND FALSE  !(T2_E == 0)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L361]  COND FALSE  !(E_M == 0)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L366]  COND FALSE  !(E_1 == 0)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L371]  COND FALSE  !(E_2 == 0)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L550]  RET         fire_delta_events()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L551]  CALL        activate_threads()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L419]              int tmp ;
[L420]              int tmp___0 ;
[L421]              int tmp___1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L425]  CALL, EXPR  is_master_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L165]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L168]  COND FALSE  !(m_pc == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L178]              __retres1 = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, __retres1=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L180]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, \result=0, __retres1=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L425]  RET, EXPR   is_master_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, is_master_triggered()=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L425]              tmp = is_master_triggered()
[L427]  COND FALSE  !(\read(tmp))
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0, token=0]
[L433]  CALL, EXPR  is_transmit1_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L184]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L187]  COND FALSE  !(t1_pc == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L197]              __retres1 = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, __retres1=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L199]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, \result=0, __retres1=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L433]  RET, EXPR   is_transmit1_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, is_transmit1_triggered()=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0, token=0]
[L433]              tmp___0 = is_transmit1_triggered()
[L435]  COND FALSE  !(\read(tmp___0))
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0, tmp___0=0, token=0]
[L441]  CALL, EXPR  is_transmit2_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L203]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L206]  COND FALSE  !(t2_pc == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L216]              __retres1 = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, __retres1=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L218]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, \result=0, __retres1=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L441]  RET, EXPR   is_transmit2_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, is_transmit2_triggered()=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0, tmp___0=0, token=0]
[L441]              tmp___1 = is_transmit2_triggered()
[L443]  COND FALSE  !(\read(tmp___1))
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0, tmp___0=0, tmp___1=0, token=0]
[L551]  RET         activate_threads()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L552]  CALL        reset_delta_events()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L384]  COND FALSE  !(M_E == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L389]  COND FALSE  !(T1_E == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L394]  COND FALSE  !(T2_E == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L399]  COND FALSE  !(E_M == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L404]  COND FALSE  !(E_1 == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L409]  COND FALSE  !(E_2 == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L552]  RET         reset_delta_events()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L555]  COND TRUE   1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, kernel_st=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L558]              kernel_st = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, kernel_st=1, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L559]  CALL        eval()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L279]              int tmp ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L283]  COND TRUE   1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L286]  CALL, EXPR  exists_runnable_thread()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L253]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L256]  COND TRUE   m_st == 0
[L257]              __retres1 = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, __retres1=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L274]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, \result=1, __retres1=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L286]  RET, EXPR   exists_runnable_thread()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, exists_runnable_thread()=1, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L286]              tmp = exists_runnable_thread()
[L288]  COND TRUE   \read(tmp)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1, token=0]
[L293]  COND TRUE   m_st == 0
[L294]              int tmp_ndt_1;
[L295]              tmp_ndt_1 = __VERIFIER_nondet_int()
[L296]  COND FALSE  !(\read(tmp_ndt_1))
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1, tmp_ndt_1=0, token=0]
[L307]  COND TRUE   t1_st == 0
[L308]              int tmp_ndt_2;
[L309]              tmp_ndt_2 = __VERIFIER_nondet_int()
[L310]  COND TRUE   \read(tmp_ndt_2)
[L312]              t1_st = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, token=0]
[L313]  CALL        transmit1()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L96]   COND TRUE   t1_pc == 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L107]  COND TRUE   1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L109]              t1_pc = 1
[L110]              t1_st = 2
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, token=0]
[L313]  RET         transmit1()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, token=0]
[L321]  COND TRUE   t2_st == 0
[L322]              int tmp_ndt_3;
[L323]              tmp_ndt_3 = __VERIFIER_nondet_int()
[L324]  COND TRUE   \read(tmp_ndt_3)
[L326]              t2_st = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=1, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=-1, token=0]
[L327]  CALL        transmit2()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=1, token=0]
[L132]  COND TRUE   t2_pc == 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=1, token=0]
[L143]  COND TRUE   1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=0, t2_st=1, token=0]
[L145]              t2_pc = 1
[L146]              t2_st = 2
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L327]  RET         transmit2()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=-1, token=0]
[L283]  COND TRUE   1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=-1, token=0]
[L286]  CALL, EXPR  exists_runnable_thread()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L253]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L256]  COND TRUE   m_st == 0
[L257]              __retres1 = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, __retres1=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L274]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, \result=1, __retres1=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L286]  RET, EXPR   exists_runnable_thread()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, exists_runnable_thread()=1, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=-1, token=0]
[L286]              tmp = exists_runnable_thread()
[L288]  COND TRUE   \read(tmp)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=-1, token=0]
[L293]  COND TRUE   m_st == 0
[L294]              int tmp_ndt_1;
[L295]              tmp_ndt_1 = __VERIFIER_nondet_int()
[L296]  COND TRUE   \read(tmp_ndt_1)
[L298]              m_st = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=1, tmp_ndt_3=-1, token=0]
[L299]  CALL        master()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L38]               int tmp_var = __VERIFIER_nondet_int();
[L40]   COND TRUE   m_pc == 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=0, token=0]
[L51]   COND TRUE   1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=0, token=0]
[L54]               token = __VERIFIER_nondet_int()
[L55]               local = token
[L56]               E_1 = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=0, token=0]
[L57]   CALL        immediate_notify()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L457]  CALL        activate_threads()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L419]              int tmp ;
[L420]              int tmp___0 ;
[L421]              int tmp___1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L425]  CALL, EXPR  is_master_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L165]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L168]  COND FALSE  !(m_pc == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L178]              __retres1 = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, __retres1=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L180]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, \result=0, __retres1=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L425]  RET, EXPR   is_master_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, is_master_triggered()=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L425]              tmp = is_master_triggered()
[L427]  COND FALSE  !(\read(tmp))
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, token=0]
[L433]  CALL, EXPR  is_transmit1_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L184]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L187]  COND TRUE   t1_pc == 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L188]  COND TRUE   E_1 == 1
[L189]              __retres1 = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, __retres1=1, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L199]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, \result=1, __retres1=1, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L433]  RET, EXPR   is_transmit1_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, is_transmit1_triggered()=1, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, token=0]
[L433]              tmp___0 = is_transmit1_triggered()
[L435]  COND TRUE   \read(tmp___0)
[L436]              t1_st = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=1, token=0]
[L441]  CALL, EXPR  is_transmit2_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L203]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L206]  COND TRUE   t2_pc == 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L207]  COND FALSE  !(E_2 == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L216]              __retres1 = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, __retres1=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L218]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, \result=0, __retres1=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L441]  RET, EXPR   is_transmit2_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, is_transmit2_triggered()=0, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=1, token=0]
[L441]              tmp___1 = is_transmit2_triggered()
[L443]  COND FALSE  !(\read(tmp___1))
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=1, tmp___1=0, token=0]
[L457]  RET         activate_threads()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L57]   RET         immediate_notify()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=1, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=0, token=0]
[L58]               E_1 = 2
[L59]               m_pc = 1
[L60]               m_st = 2
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=0, token=0]
[L299]  RET         master()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=1, tmp_ndt_3=-1, token=0]
[L307]  COND TRUE   t1_st == 0
[L308]              int tmp_ndt_2;
[L309]              tmp_ndt_2 = __VERIFIER_nondet_int()
[L310]  COND TRUE   \read(tmp_ndt_2)
[L312]              t1_st = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=-1, token=0]
[L313]  CALL        transmit1()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L96]   COND FALSE  !(t1_pc == 0)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L99]   COND TRUE   t1_pc == 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=0]
[L115]              token += 1
[L116]              E_2 = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L117]  CALL        immediate_notify()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L457]  CALL        activate_threads()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L419]              int tmp ;
[L420]              int tmp___0 ;
[L421]              int tmp___1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L425]  CALL, EXPR  is_master_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L165]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L168]  COND TRUE   m_pc == 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L169]  COND FALSE  !(E_M == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L178]              __retres1 = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, __retres1=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L180]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, \result=0, __retres1=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L425]  RET, EXPR   is_master_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, is_master_triggered()=0, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L425]              tmp = is_master_triggered()
[L427]  COND FALSE  !(\read(tmp))
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, token=1]
[L433]  CALL, EXPR  is_transmit1_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L184]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L187]  COND TRUE   t1_pc == 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L188]  COND FALSE  !(E_1 == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L197]              __retres1 = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, __retres1=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L199]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, \result=0, __retres1=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L433]  RET, EXPR   is_transmit1_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, is_transmit1_triggered()=0, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, token=1]
[L433]              tmp___0 = is_transmit1_triggered()
[L435]  COND FALSE  !(\read(tmp___0))
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=0, token=1]
[L441]  CALL, EXPR  is_transmit2_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L203]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L206]  COND TRUE   t2_pc == 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L207]  COND TRUE   E_2 == 1
[L208]              __retres1 = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, __retres1=1, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L218]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, \result=1, __retres1=1, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=1]
[L441]  RET, EXPR   is_transmit2_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, is_transmit2_triggered()=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=0, token=1]
[L441]              tmp___1 = is_transmit2_triggered()
[L443]  COND TRUE   \read(tmp___1)
[L444]              t2_st = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, tmp=0, tmp___0=0, tmp___1=1, token=1]
[L457]  RET         activate_threads()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, token=1]
[L117]  RET         immediate_notify()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=1, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, token=1]
[L118]              E_2 = 2
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, token=1]
[L107]  COND TRUE   1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, token=1]
[L109]              t1_pc = 1
[L110]              t1_st = 2
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, token=1]
[L313]  RET         transmit1()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=-1, token=1]
[L321]  COND TRUE   t2_st == 0
[L322]              int tmp_ndt_3;
[L323]              tmp_ndt_3 = __VERIFIER_nondet_int()
[L324]  COND TRUE   \read(tmp_ndt_3)
[L326]              t2_st = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=-1, token=1]
[L327]  CALL        transmit2()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=1]
[L132]  COND FALSE  !(t2_pc == 0)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=1]
[L135]  COND TRUE   t2_pc == 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=1]
[L151]              token += 1
[L152]              E_M = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L153]  CALL        immediate_notify()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L457]  CALL        activate_threads()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L419]              int tmp ;
[L420]              int tmp___0 ;
[L421]              int tmp___1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L425]  CALL, EXPR  is_master_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L165]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L168]  COND TRUE   m_pc == 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L169]  COND TRUE   E_M == 1
[L170]              __retres1 = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, __retres1=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L180]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, \result=1, __retres1=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L425]  RET, EXPR   is_master_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, is_master_triggered()=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L425]              tmp = is_master_triggered()
[L427]  COND TRUE   \read(tmp)
[L428]              m_st = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, tmp=1, token=2]
[L433]  CALL, EXPR  is_transmit1_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L184]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L187]  COND TRUE   t1_pc == 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L188]  COND FALSE  !(E_1 == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L197]              __retres1 = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, __retres1=0, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L199]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, \result=0, __retres1=0, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L433]  RET, EXPR   is_transmit1_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, is_transmit1_triggered()=0, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, tmp=1, token=2]
[L433]              tmp___0 = is_transmit1_triggered()
[L435]  COND FALSE  !(\read(tmp___0))
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, tmp=1, tmp___0=0, token=2]
[L441]  CALL, EXPR  is_transmit2_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L203]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L206]  COND TRUE   t2_pc == 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L207]  COND FALSE  !(E_2 == 1)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L216]              __retres1 = 0
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, __retres1=0, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L218]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, \result=0, __retres1=0, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L441]  RET, EXPR   is_transmit2_triggered()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, is_transmit2_triggered()=0, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, tmp=1, tmp___0=0, token=2]
[L441]              tmp___1 = is_transmit2_triggered()
[L443]  COND FALSE  !(\read(tmp___1))
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, tmp=1, tmp___0=0, tmp___1=0, token=2]
[L457]  RET         activate_threads()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L153]  RET         immediate_notify()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L154]              E_M = 2
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L143]  COND TRUE   1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, token=2]
[L145]              t2_pc = 1
[L146]              t2_st = 2
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, \old(token)=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=2]
[L327]  RET         transmit2()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=-1, token=2]
[L283]  COND TRUE   1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=-1, token=2]
[L286]  CALL, EXPR  exists_runnable_thread()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=2]
[L253]              int __retres1 ;
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=2]
[L256]  COND TRUE   m_st == 0
[L257]              __retres1 = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, __retres1=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=2]
[L274]              return (__retres1);
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, \result=1, __retres1=1, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=2]
[L286]  RET, EXPR   exists_runnable_thread()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, exists_runnable_thread()=1, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=-1, token=2]
[L286]              tmp = exists_runnable_thread()
[L288]  COND TRUE   \read(tmp)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=1, tmp_ndt_2=-1, tmp_ndt_3=-1, token=2]
[L293]  COND TRUE   m_st == 0
[L294]              int tmp_ndt_1;
[L295]              tmp_ndt_1 = __VERIFIER_nondet_int()
[L296]  COND TRUE   \read(tmp_ndt_1)
[L298]              m_st = 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \old(token)=0, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=-1, tmp_ndt_3=-1, token=2]
[L299]  CALL        master()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=1, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=2, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=2]
[L38]               int tmp_var = __VERIFIER_nondet_int();
[L40]   COND FALSE  !(m_pc == 0)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=1, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=2, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=5, token=2]
[L43]   COND TRUE   m_pc == 1
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=1, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=2, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=5, token=2]
[L65]   COND FALSE  !(token != local + 2)
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=1, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=2, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=5, token=2]
[L70]   COND TRUE   tmp_var <= 5
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=1, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=2, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=5, token=2]
[L71]   COND TRUE   tmp_var >= 5
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=1, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=2, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=5, token=2]
[L76]   COND TRUE   tmp_var <= 5
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=1, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=2, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=5, token=2]
[L77]   COND TRUE   tmp_var >= 5
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=1, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=2, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=5, token=2]
[L78]   COND TRUE   tmp_var == 5
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=1, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=2, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp_var=5, token=2]
[L79]   CALL        error()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=1, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=2, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=2]
[L10]               __VERIFIER_error()
        VAL         [\old(E_1)=2, \old(E_2)=2, \old(E_M)=2, \old(local)=0, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=1, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \old(token)=2, E_1=2, E_2=2, E_M=2, local=0, M_E=2, m_i=1, m_pc=1, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, token=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 23 procedures, 181 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 36.9s, OverallIterations: 28, TraceHistogramMax: 6, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6996 SDtfs, 6730 SDslu, 6359 SDs, 0 SdLazy, 3511 SolverSat, 1500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5919 GetRequests, 5818 SyntacticMatches, 13 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22864occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.8s AutomataMinimizationTime, 27 MinimizatonAttempts, 3901 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 5540 NumberOfCodeBlocks, 3493 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 5888 ConstructedInterpolants, 0 QuantifiedInterpolants, 1668224 SizeOfPredicates, 33 NumberOfNonLiveVariables, 16953 ConjunctsInSsa, 186 ConjunctsInUnsatCore, 30 InterpolantComputations, 27 PerfectInterpolantSequences, 3467/3657 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...