/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/pc_sfifo_2.cil-2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-21 02:16:29,007 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-21 02:16:29,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 02:16:29,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 02:16:29,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 02:16:29,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 02:16:29,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-21 02:16:29,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-21 02:16:29,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-21 02:16:29,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-21 02:16:29,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-21 02:16:29,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 02:16:29,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 02:16:29,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 02:16:29,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 02:16:29,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 02:16:29,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 02:16:29,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 02:16:29,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 02:16:29,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 02:16:29,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 02:16:29,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 02:16:29,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 02:16:29,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 02:16:29,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-21 02:16:29,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-21 02:16:29,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 02:16:29,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 02:16:29,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-21 02:16:29,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-21 02:16:29,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-21 02:16:29,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-21 02:16:29,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-21 02:16:29,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-21 02:16:29,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 02:16:29,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 02:16:29,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-21 02:16:29,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-21 02:16:29,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-21 02:16:29,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-21 02:16:29,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 02:16:29,056 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 02:16:29,070 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-21 02:16:29,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 02:16:29,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 02:16:29,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-21 02:16:29,072 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-21 02:16:29,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 02:16:29,072 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-21 02:16:29,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-21 02:16:29,072 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-21 02:16:29,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-21 02:16:29,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 02:16:29,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 02:16:29,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 02:16:29,073 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-21 02:16:29,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-21 02:16:29,074 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-21 02:16:29,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-21 02:16:29,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 02:16:29,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-21 02:16:29,075 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-21 02:16:29,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-21 02:16:29,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 02:16:29,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 02:16:29,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 02:16:29,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 02:16:29,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-21 02:16:29,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:29,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 02:16:29,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-21 02:16:29,077 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 02:16:29,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 02:16:29,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 02:16:29,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 02:16:29,360 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-21 02:16:29,360 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-21 02:16:29,361 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c
[2020-07-21 02:16:29,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e01ecca/5a8c90bd865d49259298b66c56a657ed/FLAGa932f6524
[2020-07-21 02:16:29,843 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-21 02:16:29,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c
[2020-07-21 02:16:29,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e01ecca/5a8c90bd865d49259298b66c56a657ed/FLAGa932f6524
[2020-07-21 02:16:30,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0e01ecca/5a8c90bd865d49259298b66c56a657ed
[2020-07-21 02:16:30,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 02:16:30,224 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 02:16:30,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 02:16:30,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 02:16:30,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 02:16:30,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:16:30" (1/1) ...
[2020-07-21 02:16:30,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ab2082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:30, skipping insertion in model container
[2020-07-21 02:16:30,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:16:30" (1/1) ...
[2020-07-21 02:16:30,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-21 02:16:30,297 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-21 02:16:30,530 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 02:16:30,537 INFO L203 MainTranslator]: Completed pre-run
[2020-07-21 02:16:30,690 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 02:16:30,717 INFO L208 MainTranslator]: Completed translation
[2020-07-21 02:16:30,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:30 WrapperNode
[2020-07-21 02:16:30,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 02:16:30,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 02:16:30,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 02:16:30,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 02:16:30,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:30" (1/1) ...
[2020-07-21 02:16:30,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:30" (1/1) ...
[2020-07-21 02:16:30,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:30" (1/1) ...
[2020-07-21 02:16:30,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:30" (1/1) ...
[2020-07-21 02:16:30,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:30" (1/1) ...
[2020-07-21 02:16:30,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:30" (1/1) ...
[2020-07-21 02:16:30,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:30" (1/1) ...
[2020-07-21 02:16:30,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 02:16:30,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 02:16:30,762 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 02:16:30,762 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-21 02:16:30,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:30" (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 02:16:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 02:16:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 02:16:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure error
[2020-07-21 02:16:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q
[2020-07-21 02:16:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered
[2020-07-21 02:16:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered
[2020-07-21 02:16:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads
[2020-07-21 02:16:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p
[2020-07-21 02:16:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c
[2020-07-21 02:16:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels
[2020-07-21 02:16:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads
[2020-07-21 02:16:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread
[2020-07-21 02:16:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events
[2020-07-21 02:16:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events
[2020-07-21 02:16:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads
[2020-07-21 02:16:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure eval
[2020-07-21 02:16:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation
[2020-07-21 02:16:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation
[2020-07-21 02:16:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model
[2020-07-21 02:16:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 02:16:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 02:16:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 02:16:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure error
[2020-07-21 02:16:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q
[2020-07-21 02:16:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered
[2020-07-21 02:16:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered
[2020-07-21 02:16:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads
[2020-07-21 02:16:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p
[2020-07-21 02:16:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c
[2020-07-21 02:16:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels
[2020-07-21 02:16:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads
[2020-07-21 02:16:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread
[2020-07-21 02:16:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events
[2020-07-21 02:16:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events
[2020-07-21 02:16:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads
[2020-07-21 02:16:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure eval
[2020-07-21 02:16:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation
[2020-07-21 02:16:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation
[2020-07-21 02:16:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure init_model
[2020-07-21 02:16:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-21 02:16:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 02:16:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 02:16:31,306 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 02:16:31,306 INFO L295 CfgBuilder]: Removed 4 assume(true) statements.
[2020-07-21 02:16:31,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:16:31 BoogieIcfgContainer
[2020-07-21 02:16:31,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 02:16:31,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 02:16:31,313 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 02:16:31,315 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-21 02:16:31,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:16:30" (1/3) ...
[2020-07-21 02:16:31,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6c95a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:16:31, skipping insertion in model container
[2020-07-21 02:16:31,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:16:30" (2/3) ...
[2020-07-21 02:16:31,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6c95a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:16:31, skipping insertion in model container
[2020-07-21 02:16:31,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:16:31" (3/3) ...
[2020-07-21 02:16:31,319 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-2.c
[2020-07-21 02:16:31,328 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 02:16:31,336 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 02:16:31,351 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 02:16:31,374 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-21 02:16:31,374 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-21 02:16:31,374 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 02:16:31,375 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 02:16:31,375 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 02:16:31,375 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-21 02:16:31,375 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 02:16:31,375 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 02:16:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states.
[2020-07-21 02:16:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-07-21 02:16:31,405 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 02:16:31,406 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]
[2020-07-21 02:16:31,406 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:31,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:31,413 INFO L82 PathProgramCache]: Analyzing trace with hash 742963907, now seen corresponding path program 1 times
[2020-07-21 02:16:31,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:31,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [547020029]
[2020-07-21 02:16:31,422 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 02:16:31,656 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 02:16:31,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:31,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 02:16:31,673 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:31,806 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 02:16:31,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:31,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [547020029]
[2020-07-21 02:16:31,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:31,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 02:16:31,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26931043]
[2020-07-21 02:16:31,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 02:16:31,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:31,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 02:16:31,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 02:16:31,835 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 5 states.
[2020-07-21 02:16:32,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:32,546 INFO L93 Difference]: Finished difference Result 379 states and 548 transitions.
[2020-07-21 02:16:32,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-21 02:16:32,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70
[2020-07-21 02:16:32,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:32,564 INFO L225 Difference]: With dead ends: 379
[2020-07-21 02:16:32,565 INFO L226 Difference]: Without dead ends: 251
[2020-07-21 02:16:32,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-21 02:16:32,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states.
[2020-07-21 02:16:32,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 232.
[2020-07-21 02:16:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states.
[2020-07-21 02:16:32,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 305 transitions.
[2020-07-21 02:16:32,665 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 305 transitions. Word has length 70
[2020-07-21 02:16:32,665 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:32,665 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 305 transitions.
[2020-07-21 02:16:32,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 02:16:32,666 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 305 transitions.
[2020-07-21 02:16:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-07-21 02:16:32,670 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 02:16:32,670 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]
[2020-07-21 02:16:32,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:32,882 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:32,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:32,883 INFO L82 PathProgramCache]: Analyzing trace with hash 2095723396, now seen corresponding path program 1 times
[2020-07-21 02:16:32,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:32,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [248183553]
[2020-07-21 02:16:32,885 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 02:16:32,976 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-21 02:16:32,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:32,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-21 02:16:32,984 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:33,024 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 02:16:33,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:33,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [248183553]
[2020-07-21 02:16:33,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:33,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 02:16:33,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656256424]
[2020-07-21 02:16:33,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 02:16:33,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:33,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 02:16:33,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 02:16:33,030 INFO L87 Difference]: Start difference. First operand 232 states and 305 transitions. Second operand 5 states.
[2020-07-21 02:16:33,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:33,596 INFO L93 Difference]: Finished difference Result 703 states and 975 transitions.
[2020-07-21 02:16:33,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-21 02:16:33,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70
[2020-07-21 02:16:33,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:33,611 INFO L225 Difference]: With dead ends: 703
[2020-07-21 02:16:33,611 INFO L226 Difference]: Without dead ends: 496
[2020-07-21 02:16:33,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-21 02:16:33,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states.
[2020-07-21 02:16:33,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 461.
[2020-07-21 02:16:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states.
[2020-07-21 02:16:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 618 transitions.
[2020-07-21 02:16:33,677 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 618 transitions. Word has length 70
[2020-07-21 02:16:33,678 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:33,678 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 618 transitions.
[2020-07-21 02:16:33,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 02:16:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 618 transitions.
[2020-07-21 02:16:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-07-21 02:16:33,682 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 02:16:33,682 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]
[2020-07-21 02:16:33,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:33,891 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:33,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:33,892 INFO L82 PathProgramCache]: Analyzing trace with hash 162619972, now seen corresponding path program 1 times
[2020-07-21 02:16:33,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:33,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [488239017]
[2020-07-21 02:16:33,893 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 02:16:33,986 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 02:16:33,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:33,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-21 02:16:33,992 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:34,017 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 02:16:34,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:34,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [488239017]
[2020-07-21 02:16:34,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:34,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 02:16:34,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056948472]
[2020-07-21 02:16:34,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 02:16:34,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:34,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 02:16:34,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:16:34,020 INFO L87 Difference]: Start difference. First operand 461 states and 618 transitions. Second operand 6 states.
[2020-07-21 02:16:34,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:34,104 INFO L93 Difference]: Finished difference Result 895 states and 1201 transitions.
[2020-07-21 02:16:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-21 02:16:34,104 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70
[2020-07-21 02:16:34,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:34,109 INFO L225 Difference]: With dead ends: 895
[2020-07-21 02:16:34,109 INFO L226 Difference]: Without dead ends: 475
[2020-07-21 02:16:34,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 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 02:16:34,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states.
[2020-07-21 02:16:34,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 471.
[2020-07-21 02:16:34,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states.
[2020-07-21 02:16:34,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 626 transitions.
[2020-07-21 02:16:34,151 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 626 transitions. Word has length 70
[2020-07-21 02:16:34,151 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:34,151 INFO L479 AbstractCegarLoop]: Abstraction has 471 states and 626 transitions.
[2020-07-21 02:16:34,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 02:16:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 626 transitions.
[2020-07-21 02:16:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-07-21 02:16:34,156 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 02:16:34,156 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]
[2020-07-21 02:16:34,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:34,371 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:34,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:34,371 INFO L82 PathProgramCache]: Analyzing trace with hash 303168582, now seen corresponding path program 1 times
[2020-07-21 02:16:34,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:34,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479453469]
[2020-07-21 02:16:34,373 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 02:16:34,494 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 02:16:34,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 02:16:34,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-21 02:16:34,511 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 02:16:34,555 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 02:16:34,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 02:16:34,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479453469]
[2020-07-21 02:16:34,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 02:16:34,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 02:16:34,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485722929]
[2020-07-21 02:16:34,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 02:16:34,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 02:16:34,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 02:16:34,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 02:16:34,558 INFO L87 Difference]: Start difference. First operand 471 states and 626 transitions. Second operand 6 states.
[2020-07-21 02:16:34,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 02:16:34,608 INFO L93 Difference]: Finished difference Result 923 states and 1229 transitions.
[2020-07-21 02:16:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-21 02:16:34,609 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70
[2020-07-21 02:16:34,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 02:16:34,613 INFO L225 Difference]: With dead ends: 923
[2020-07-21 02:16:34,613 INFO L226 Difference]: Without dead ends: 493
[2020-07-21 02:16:34,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 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 02:16:34,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states.
[2020-07-21 02:16:34,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 481.
[2020-07-21 02:16:34,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states.
[2020-07-21 02:16:34,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 634 transitions.
[2020-07-21 02:16:34,650 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 634 transitions. Word has length 70
[2020-07-21 02:16:34,650 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 02:16:34,651 INFO L479 AbstractCegarLoop]: Abstraction has 481 states and 634 transitions.
[2020-07-21 02:16:34,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 02:16:34,651 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 634 transitions.
[2020-07-21 02:16:34,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-07-21 02:16:34,653 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 02:16:34,653 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]
[2020-07-21 02:16:34,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:34,867 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 02:16:34,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 02:16:34,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1940814716, now seen corresponding path program 1 times
[2020-07-21 02:16:34,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 02:16:34,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [257735426]
[2020-07-21 02:16:34,869 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 02:16:34,968 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 02:16:34,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat
[2020-07-21 02:16:34,968 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 02:16:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-21 02:16:35,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 02:16:35,089 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-21 02:16:35,089 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-21 02:16:35,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 02:16:35,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 02:16:35 BoogieIcfgContainer
[2020-07-21 02:16:35,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 02:16:35,471 INFO L168 Benchmark]: Toolchain (without parser) took 5246.20 ms. Allocated memory was 136.8 MB in the beginning and 250.6 MB in the end (delta: 113.8 MB). Free memory was 101.3 MB in the beginning and 125.0 MB in the end (delta: -23.7 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB.
[2020-07-21 02:16:35,473 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-07-21 02:16:35,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.81 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 178.6 MB in the end (delta: -77.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB.
[2020-07-21 02:16:35,477 INFO L168 Benchmark]: Boogie Preprocessor took 43.38 ms. Allocated memory is still 201.9 MB. Free memory was 178.6 MB in the beginning and 176.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-07-21 02:16:35,478 INFO L168 Benchmark]: RCFGBuilder took 550.12 ms. Allocated memory is still 201.9 MB. Free memory was 176.5 MB in the beginning and 144.6 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB.
[2020-07-21 02:16:35,480 INFO L168 Benchmark]: TraceAbstraction took 4154.43 ms. Allocated memory was 201.9 MB in the beginning and 250.6 MB in the end (delta: 48.8 MB). Free memory was 143.9 MB in the beginning and 125.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB.
[2020-07-21 02:16:35,486 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 490.81 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 178.6 MB in the end (delta: -77.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 43.38 ms. Allocated memory is still 201.9 MB. Free memory was 178.6 MB in the beginning and 176.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 550.12 ms. Allocated memory is still 201.9 MB. Free memory was 176.5 MB in the beginning and 144.6 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 4154.43 ms. Allocated memory was 201.9 MB in the beginning and 250.6 MB in the end (delta: 48.8 MB). Free memory was 143.9 MB in the beginning and 125.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 67.6 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:
[L15] int q_buf_0 ;
[L16] int q_free ;
[L17] int q_read_ev ;
[L18] int q_write_ev ;
[L19] int q_req_up ;
[L20] int q_ev ;
[L41] int p_num_write ;
[L42] int p_last_write ;
[L43] int p_dw_st ;
[L44] int p_dw_pc ;
[L45] int p_dw_i ;
[L46] int c_num_read ;
[L47] int c_last_read ;
[L48] int c_dr_st ;
[L49] int c_dr_pc ;
[L50] int c_dr_i ;
[L154] static int a_t ;
VAL [\old(a_t)=3, \old(c_dr_i)=11, \old(c_dr_pc)=13, \old(c_dr_st)=5, \old(c_last_read)=17, \old(c_num_read)=19, \old(p_dw_i)=9, \old(p_dw_pc)=6, \old(p_dw_st)=18, \old(p_last_write)=4, \old(p_num_write)=7, \old(q_buf_0)=16, \old(q_ev)=8, \old(q_free)=14, \old(q_read_ev)=12, \old(q_req_up)=10, \old(q_write_ev)=15, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=0, q_read_ev=0, q_req_up=0, q_write_ev=0]
[L456] int __retres1 ;
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_req_up)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=0, q_read_ev=0, q_req_up=0, q_write_ev=0]
[L460] CALL init_model()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_req_up)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=0, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=0, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=0, q_read_ev=0, q_req_up=0, q_write_ev=0]
[L442] q_free = 1
[L443] q_write_ev = 2
[L444] q_read_ev = q_write_ev
[L445] p_num_write = 0
[L446] p_dw_pc = 0
[L447] p_dw_i = 1
[L448] c_num_read = 0
[L449] c_dr_pc = 0
[L450] c_dr_i = 1
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_req_up)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L460] RET init_model()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=0, \old(q_read_ev)=0, \old(q_req_up)=0, \old(q_write_ev)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L461] CALL start_simulation()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L396] int kernel_st ;
[L397] int tmp ;
[L401] kernel_st = 0
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L402] CALL update_channels()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L212] COND FALSE !((int )q_req_up == 1)
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L402] RET update_channels()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L403] CALL init_threads()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L227] COND TRUE (int )p_dw_i == 1
[L228] p_dw_st = 0
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L232] COND TRUE (int )c_dr_i == 1
[L233] c_dr_st = 0
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L403] RET init_threads()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L404] CALL fire_delta_events()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L265] COND FALSE !((int )q_read_ev == 0)
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L270] COND FALSE !((int )q_write_ev == 0)
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L404] RET fire_delta_events()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L405] CALL activate_threads()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L298] int tmp ;
[L299] int tmp___0 ;
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L303] CALL, EXPR is_do_write_p_triggered()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L52] int __retres1 ;
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L55] COND FALSE !((int )p_dw_pc == 1)
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L65] __retres1 = 0
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L67] return (__retres1);
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, \result=0, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L303] RET, EXPR is_do_write_p_triggered()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, is_do_write_p_triggered()=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L303] tmp = is_do_write_p_triggered()
[L305] COND FALSE !(\read(tmp))
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0]
[L311] CALL, EXPR is_do_read_c_triggered()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L71] int __retres1 ;
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L74] COND FALSE !((int )c_dr_pc == 1)
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L84] __retres1 = 0
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L86] return (__retres1);
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, \result=0, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L311] RET, EXPR is_do_read_c_triggered()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, is_do_read_c_triggered()=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0]
[L311] tmp___0 = is_do_read_c_triggered()
[L313] COND FALSE !(\read(tmp___0))
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0, tmp___0=0]
[L405] RET activate_threads()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L406] CALL reset_delta_events()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L283] COND FALSE !((int )q_read_ev == 1)
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L288] COND FALSE !((int )q_write_ev == 1)
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L406] RET reset_delta_events()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L409] COND TRUE 1
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L412] kernel_st = 1
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=1, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L413] CALL eval()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L323] int tmp ;
[L324] int tmp___0 ;
[L325] int tmp___1 ;
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L329] COND TRUE 1
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L332] CALL, EXPR exists_runnable_thread()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L242] int __retres1 ;
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L245] COND TRUE (int )p_dw_st == 0
[L246] __retres1 = 1
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, __retres1=1, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L258] return (__retres1);
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, \result=1, __retres1=1, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L332] RET, EXPR exists_runnable_thread()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, exists_runnable_thread()=1, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L332] tmp___1 = exists_runnable_thread()
[L334] COND TRUE \read(tmp___1)
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp___1=1]
[L339] COND TRUE (int )p_dw_st == 0
[L341] tmp = __VERIFIER_nondet_int()
[L343] COND FALSE !(\read(tmp))
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0, tmp___1=1]
[L349] CALL error()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
[L10] __VERIFIER_error()
VAL [\old(a_t)=0, \old(c_dr_i)=0, \old(c_dr_pc)=0, \old(c_dr_st)=0, \old(c_last_read)=0, \old(c_num_read)=0, \old(p_dw_i)=0, \old(p_dw_pc)=0, \old(p_dw_st)=0, \old(p_last_write)=0, \old(p_num_write)=0, \old(q_buf_0)=0, \old(q_ev)=0, \old(q_free)=1, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 20 procedures, 140 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 629 SDtfs, 633 SDslu, 1456 SDs, 0 SdLazy, 682 SolverSat, 222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 282 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=481occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 70 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 350 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 25392 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1584 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...