/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-21 12:15:39,680 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-21 12:15:39,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 12:15:39,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 12:15:39,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 12:15:39,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 12:15:39,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-21 12:15:39,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-21 12:15:39,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-21 12:15:39,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-21 12:15:39,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-21 12:15:39,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 12:15:39,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 12:15:39,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 12:15:39,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 12:15:39,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 12:15:39,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 12:15:39,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 12:15:39,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 12:15:39,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 12:15:39,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 12:15:39,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 12:15:39,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 12:15:39,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 12:15:39,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-21 12:15:39,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-21 12:15:39,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 12:15:39,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 12:15:39,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-21 12:15:39,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-21 12:15:39,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-21 12:15:39,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-21 12:15:39,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-21 12:15:39,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-21 12:15:39,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 12:15:39,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 12:15:39,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-21 12:15:39,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-21 12:15:39,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-21 12:15:39,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-21 12:15:39,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 12:15:39,728 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 12:15:39,742 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-21 12:15:39,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 12:15:39,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 12:15:39,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-21 12:15:39,744 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-21 12:15:39,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 12:15:39,744 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-21 12:15:39,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-21 12:15:39,745 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-21 12:15:39,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-21 12:15:39,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 12:15:39,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 12:15:39,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 12:15:39,746 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-21 12:15:39,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-21 12:15:39,746 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-21 12:15:39,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-21 12:15:39,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 12:15:39,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-21 12:15:39,747 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-21 12:15:39,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-21 12:15:39,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 12:15:39,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 12:15:39,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 12:15:39,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 12:15:39,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-21 12:15:39,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:39,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 12:15:39,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-21 12:15:39,749 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 -> NOT_INCREMENTALLY
[2020-07-21 12:15:40,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 12:15:40,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 12:15:40,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 12:15:40,041 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-21 12:15:40,041 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-21 12:15:40,042 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c
[2020-07-21 12:15:40,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24c7d4766/7c9405a63a644d34a8a70deddb56849c/FLAGe8a5a0b63
[2020-07-21 12:15:40,588 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-21 12:15:40,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.01.cil.c
[2020-07-21 12:15:40,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24c7d4766/7c9405a63a644d34a8a70deddb56849c/FLAGe8a5a0b63
[2020-07-21 12:15:40,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24c7d4766/7c9405a63a644d34a8a70deddb56849c
[2020-07-21 12:15:40,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 12:15:40,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 12:15:40,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 12:15:40,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 12:15:40,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 12:15:40,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:15:40" (1/1) ...
[2020-07-21 12:15:40,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8168d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:15:40, skipping insertion in model container
[2020-07-21 12:15:40,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:15:40" (1/1) ...
[2020-07-21 12:15:40,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-21 12:15:41,023 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-21 12:15:41,230 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 12:15:41,235 INFO L203 MainTranslator]: Completed pre-run
[2020-07-21 12:15:41,272 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 12:15:41,292 INFO L208 MainTranslator]: Completed translation
[2020-07-21 12:15:41,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:15:41 WrapperNode
[2020-07-21 12:15:41,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 12:15:41,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 12:15:41,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 12:15:41,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 12:15:41,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:15:41" (1/1) ...
[2020-07-21 12:15:41,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:15:41" (1/1) ...
[2020-07-21 12:15:41,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:15:41" (1/1) ...
[2020-07-21 12:15:41,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:15:41" (1/1) ...
[2020-07-21 12:15:41,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:15:41" (1/1) ...
[2020-07-21 12:15:41,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:15:41" (1/1) ...
[2020-07-21 12:15:41,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:15:41" (1/1) ...
[2020-07-21 12:15:41,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 12:15:41,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 12:15:41,418 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 12:15:41,419 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-21 12:15:41,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:15:41" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 12:15:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 12:15:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 12:15:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure error
[2020-07-21 12:15:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure master
[2020-07-21 12:15:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1
[2020-07-21 12:15:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered
[2020-07-21 12:15:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered
[2020-07-21 12:15:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels
[2020-07-21 12:15:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads
[2020-07-21 12:15:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread
[2020-07-21 12:15:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure eval
[2020-07-21 12:15:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events
[2020-07-21 12:15:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events
[2020-07-21 12:15:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads
[2020-07-21 12:15:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify
[2020-07-21 12:15:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events
[2020-07-21 12:15:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events
[2020-07-21 12:15:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model
[2020-07-21 12:15:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation
[2020-07-21 12:15:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation
[2020-07-21 12:15:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 12:15:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 12:15:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 12:15:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure error
[2020-07-21 12:15:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered
[2020-07-21 12:15:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered
[2020-07-21 12:15:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify
[2020-07-21 12:15:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure master
[2020-07-21 12:15:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1
[2020-07-21 12:15:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels
[2020-07-21 12:15:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads
[2020-07-21 12:15:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread
[2020-07-21 12:15:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure eval
[2020-07-21 12:15:41,489 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events
[2020-07-21 12:15:41,489 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events
[2020-07-21 12:15:41,489 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads
[2020-07-21 12:15:41,489 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events
[2020-07-21 12:15:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events
[2020-07-21 12:15:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure init_model
[2020-07-21 12:15:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation
[2020-07-21 12:15:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation
[2020-07-21 12:15:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-21 12:15:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 12:15:41,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 12:15:41,939 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 12:15:41,939 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-21 12:15:41,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:15:41 BoogieIcfgContainer
[2020-07-21 12:15:41,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 12:15:41,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 12:15:41,946 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 12:15:41,957 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-21 12:15:41,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:15:40" (1/3) ...
[2020-07-21 12:15:41,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342a0a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:15:41, skipping insertion in model container
[2020-07-21 12:15:41,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:15:41" (2/3) ...
[2020-07-21 12:15:41,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342a0a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:15:41, skipping insertion in model container
[2020-07-21 12:15:41,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:15:41" (3/3) ...
[2020-07-21 12:15:41,961 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.01.cil.c
[2020-07-21 12:15:41,968 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 12:15:41,974 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 12:15:41,983 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 12:15:42,007 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-21 12:15:42,007 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-21 12:15:42,007 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 12:15:42,007 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 12:15:42,007 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 12:15:42,008 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-21 12:15:42,008 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 12:15:42,008 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 12:15:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states.
[2020-07-21 12:15:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2020-07-21 12:15:42,040 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:42,041 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]
[2020-07-21 12:15:42,042 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:42,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:42,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1024647557, now seen corresponding path program 1 times
[2020-07-21 12:15:42,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:42,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500029654]
[2020-07-21 12:15:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 12:15:42,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-21 12:15:42,248 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:15:42,331 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 12:15:42,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:15:42,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500029654]
[2020-07-21 12:15:42,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:15:42,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 12:15:42,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915639764]
[2020-07-21 12:15:42,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 12:15:42,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:15:42,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 12:15:42,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 12:15:42,360 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states.
[2020-07-21 12:15:42,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:15:42,490 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions.
[2020-07-21 12:15:42,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-21 12:15:42,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75
[2020-07-21 12:15:42,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:15:42,509 INFO L225 Difference]: With dead ends: 366
[2020-07-21 12:15:42,510 INFO L226 Difference]: Without dead ends: 234
[2020-07-21 12:15:42,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 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 12:15:42,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states.
[2020-07-21 12:15:42,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 226.
[2020-07-21 12:15:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states.
[2020-07-21 12:15:42,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 302 transitions.
[2020-07-21 12:15:42,596 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 302 transitions. Word has length 75
[2020-07-21 12:15:42,597 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:15:42,597 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 302 transitions.
[2020-07-21 12:15:42,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 12:15:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 302 transitions.
[2020-07-21 12:15:42,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2020-07-21 12:15:42,602 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:42,603 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]
[2020-07-21 12:15:42,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:42,817 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:42,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:42,818 INFO L82 PathProgramCache]: Analyzing trace with hash 106614370, now seen corresponding path program 1 times
[2020-07-21 12:15:42,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:42,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425378055]
[2020-07-21 12:15:42,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 12:15:42,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-21 12:15:42,967 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:15:43,043 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 12:15:43,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:15:43,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425378055]
[2020-07-21 12:15:43,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:15:43,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 12:15:43,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295881710]
[2020-07-21 12:15:43,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 12:15:43,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:15:43,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 12:15:43,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 12:15:43,048 INFO L87 Difference]: Start difference. First operand 226 states and 302 transitions. Second operand 3 states.
[2020-07-21 12:15:43,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:15:43,108 INFO L93 Difference]: Finished difference Result 622 states and 856 transitions.
[2020-07-21 12:15:43,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-21 12:15:43,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76
[2020-07-21 12:15:43,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:15:43,121 INFO L225 Difference]: With dead ends: 622
[2020-07-21 12:15:43,121 INFO L226 Difference]: Without dead ends: 421
[2020-07-21 12:15:43,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 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 12:15:43,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states.
[2020-07-21 12:15:43,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415.
[2020-07-21 12:15:43,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states.
[2020-07-21 12:15:43,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 556 transitions.
[2020-07-21 12:15:43,207 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 556 transitions. Word has length 76
[2020-07-21 12:15:43,208 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:15:43,208 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 556 transitions.
[2020-07-21 12:15:43,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 12:15:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 556 transitions.
[2020-07-21 12:15:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2020-07-21 12:15:43,211 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:43,211 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]
[2020-07-21 12:15:43,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:43,419 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:43,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:43,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1201390399, now seen corresponding path program 1 times
[2020-07-21 12:15:43,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:43,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1606242396]
[2020-07-21 12:15:43,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 12:15:43,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-21 12:15:43,510 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:15:43,529 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 12:15:43,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:15:43,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1606242396]
[2020-07-21 12:15:43,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:15:43,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 12:15:43,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039668523]
[2020-07-21 12:15:43,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 12:15:43,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:15:43,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 12:15:43,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 12:15:43,532 INFO L87 Difference]: Start difference. First operand 415 states and 556 transitions. Second operand 3 states.
[2020-07-21 12:15:43,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:15:43,620 INFO L93 Difference]: Finished difference Result 1178 states and 1628 transitions.
[2020-07-21 12:15:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-21 12:15:43,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76
[2020-07-21 12:15:43,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:15:43,628 INFO L225 Difference]: With dead ends: 1178
[2020-07-21 12:15:43,628 INFO L226 Difference]: Without dead ends: 788
[2020-07-21 12:15:43,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 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 12:15:43,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states.
[2020-07-21 12:15:43,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 780.
[2020-07-21 12:15:43,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states.
[2020-07-21 12:15:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1055 transitions.
[2020-07-21 12:15:43,721 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1055 transitions. Word has length 76
[2020-07-21 12:15:43,721 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:15:43,721 INFO L479 AbstractCegarLoop]: Abstraction has 780 states and 1055 transitions.
[2020-07-21 12:15:43,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 12:15:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1055 transitions.
[2020-07-21 12:15:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2020-07-21 12:15:43,725 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:43,726 INFO L422 BasicCegarLoop]: trace histogram [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]
[2020-07-21 12:15:43,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:43,939 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:43,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:43,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1503303426, now seen corresponding path program 1 times
[2020-07-21 12:15:43,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:43,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055745891]
[2020-07-21 12:15:43,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 12:15:44,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 12:15:44,020 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:15:44,056 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 12:15:44,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:15:44,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055745891]
[2020-07-21 12:15:44,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:15:44,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 12:15:44,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190576519]
[2020-07-21 12:15:44,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 12:15:44,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:15:44,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 12:15:44,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 12:15:44,064 INFO L87 Difference]: Start difference. First operand 780 states and 1055 transitions. Second operand 3 states.
[2020-07-21 12:15:44,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:15:44,221 INFO L93 Difference]: Finished difference Result 2245 states and 3186 transitions.
[2020-07-21 12:15:44,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-21 12:15:44,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95
[2020-07-21 12:15:44,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:15:44,238 INFO L225 Difference]: With dead ends: 2245
[2020-07-21 12:15:44,238 INFO L226 Difference]: Without dead ends: 1492
[2020-07-21 12:15:44,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 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 12:15:44,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states.
[2020-07-21 12:15:44,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1492.
[2020-07-21 12:15:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states.
[2020-07-21 12:15:44,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2086 transitions.
[2020-07-21 12:15:44,349 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2086 transitions. Word has length 95
[2020-07-21 12:15:44,349 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:15:44,349 INFO L479 AbstractCegarLoop]: Abstraction has 1492 states and 2086 transitions.
[2020-07-21 12:15:44,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 12:15:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2086 transitions.
[2020-07-21 12:15:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2020-07-21 12:15:44,363 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:44,363 INFO L422 BasicCegarLoop]: trace histogram [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, 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]
[2020-07-21 12:15:44,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:44,578 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:44,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:44,579 INFO L82 PathProgramCache]: Analyzing trace with hash 301276929, now seen corresponding path program 1 times
[2020-07-21 12:15:44,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:44,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676545200]
[2020-07-21 12:15:44,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 12:15:44,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-21 12:15:44,685 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:15:44,733 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2020-07-21 12:15:44,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:15:44,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676545200]
[2020-07-21 12:15:44,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:15:44,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 12:15:44,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349584009]
[2020-07-21 12:15:44,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 12:15:44,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:15:44,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 12:15:44,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 12:15:44,741 INFO L87 Difference]: Start difference. First operand 1492 states and 2086 transitions. Second operand 3 states.
[2020-07-21 12:15:44,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:15:44,846 INFO L93 Difference]: Finished difference Result 2874 states and 3952 transitions.
[2020-07-21 12:15:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-21 12:15:44,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163
[2020-07-21 12:15:44,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:15:44,859 INFO L225 Difference]: With dead ends: 2874
[2020-07-21 12:15:44,859 INFO L226 Difference]: Without dead ends: 1671
[2020-07-21 12:15:44,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 160 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 12:15:44,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states.
[2020-07-21 12:15:44,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1668.
[2020-07-21 12:15:44,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states.
[2020-07-21 12:15:44,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2176 transitions.
[2020-07-21 12:15:44,985 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2176 transitions. Word has length 163
[2020-07-21 12:15:44,986 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:15:44,986 INFO L479 AbstractCegarLoop]: Abstraction has 1668 states and 2176 transitions.
[2020-07-21 12:15:44,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 12:15:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2176 transitions.
[2020-07-21 12:15:44,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2020-07-21 12:15:44,990 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:44,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:15:45,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:45,205 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:45,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:45,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1914892441, now seen corresponding path program 1 times
[2020-07-21 12:15:45,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:45,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346428730]
[2020-07-21 12:15:45,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 12:15:45,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 12:15:45,303 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:15:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2020-07-21 12:15:45,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:15:45,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346428730]
[2020-07-21 12:15:45,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:15:45,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 12:15:45,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948497917]
[2020-07-21 12:15:45,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 12:15:45,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:15:45,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 12:15:45,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 12:15:45,352 INFO L87 Difference]: Start difference. First operand 1668 states and 2176 transitions. Second operand 5 states.
[2020-07-21 12:15:46,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:15:46,173 INFO L93 Difference]: Finished difference Result 5178 states and 7041 transitions.
[2020-07-21 12:15:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-21 12:15:46,174 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129
[2020-07-21 12:15:46,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:15:46,207 INFO L225 Difference]: With dead ends: 5178
[2020-07-21 12:15:46,208 INFO L226 Difference]: Without dead ends: 3539
[2020-07-21 12:15:46,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 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 12:15:46,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states.
[2020-07-21 12:15:46,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 3184.
[2020-07-21 12:15:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states.
[2020-07-21 12:15:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4100 transitions.
[2020-07-21 12:15:46,420 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4100 transitions. Word has length 129
[2020-07-21 12:15:46,420 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:15:46,421 INFO L479 AbstractCegarLoop]: Abstraction has 3184 states and 4100 transitions.
[2020-07-21 12:15:46,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 12:15:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4100 transitions.
[2020-07-21 12:15:46,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2020-07-21 12:15:46,425 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:46,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:15:46,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:46,639 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:46,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:46,639 INFO L82 PathProgramCache]: Analyzing trace with hash -58272937, now seen corresponding path program 1 times
[2020-07-21 12:15:46,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:46,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610046927]
[2020-07-21 12:15:46,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 12:15:46,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 12:15:46,728 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:15:46,762 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2020-07-21 12:15:46,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:15:46,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610046927]
[2020-07-21 12:15:46,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:15:46,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 12:15:46,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945603108]
[2020-07-21 12:15:46,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 12:15:46,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:15:46,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 12:15:46,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 12:15:46,765 INFO L87 Difference]: Start difference. First operand 3184 states and 4100 transitions. Second operand 5 states.
[2020-07-21 12:15:47,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:15:47,227 INFO L93 Difference]: Finished difference Result 6339 states and 8283 transitions.
[2020-07-21 12:15:47,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-07-21 12:15:47,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129
[2020-07-21 12:15:47,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:15:47,249 INFO L225 Difference]: With dead ends: 6339
[2020-07-21 12:15:47,249 INFO L226 Difference]: Without dead ends: 3184
[2020-07-21 12:15:47,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 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 12:15:47,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states.
[2020-07-21 12:15:47,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 3184.
[2020-07-21 12:15:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states.
[2020-07-21 12:15:47,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4004 transitions.
[2020-07-21 12:15:47,435 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4004 transitions. Word has length 129
[2020-07-21 12:15:47,435 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:15:47,435 INFO L479 AbstractCegarLoop]: Abstraction has 3184 states and 4004 transitions.
[2020-07-21 12:15:47,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 12:15:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4004 transitions.
[2020-07-21 12:15:47,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2020-07-21 12:15:47,439 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:47,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:15:47,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:47,653 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:47,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:47,654 INFO L82 PathProgramCache]: Analyzing trace with hash -232748707, now seen corresponding path program 1 times
[2020-07-21 12:15:47,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:47,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [720729791]
[2020-07-21 12:15:47,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 12:15:47,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core
[2020-07-21 12:15:47,744 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:15:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2020-07-21 12:15:47,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:15:47,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [720729791]
[2020-07-21 12:15:47,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:15:47,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 12:15:47,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785867420]
[2020-07-21 12:15:47,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 12:15:47,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:15:47,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 12:15:47,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 12:15:47,763 INFO L87 Difference]: Start difference. First operand 3184 states and 4004 transitions. Second operand 3 states.
[2020-07-21 12:15:47,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:15:47,926 INFO L93 Difference]: Finished difference Result 5685 states and 7150 transitions.
[2020-07-21 12:15:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-21 12:15:47,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129
[2020-07-21 12:15:47,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:15:47,946 INFO L225 Difference]: With dead ends: 5685
[2020-07-21 12:15:47,947 INFO L226 Difference]: Without dead ends: 2525
[2020-07-21 12:15:47,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 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 12:15:47,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states.
[2020-07-21 12:15:48,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2525.
[2020-07-21 12:15:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2525 states.
[2020-07-21 12:15:48,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3177 transitions.
[2020-07-21 12:15:48,107 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3177 transitions. Word has length 129
[2020-07-21 12:15:48,107 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:15:48,107 INFO L479 AbstractCegarLoop]: Abstraction has 2525 states and 3177 transitions.
[2020-07-21 12:15:48,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 12:15:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3177 transitions.
[2020-07-21 12:15:48,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2020-07-21 12:15:48,111 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:48,111 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:15:48,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:48,326 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:48,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:48,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1959893669, now seen corresponding path program 1 times
[2020-07-21 12:15:48,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:48,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005380662]
[2020-07-21 12:15:48,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 12:15:48,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-21 12:15:48,413 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:15:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2020-07-21 12:15:48,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:15:48,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005380662]
[2020-07-21 12:15:48,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:15:48,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-21 12:15:48,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787485285]
[2020-07-21 12:15:48,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-21 12:15:48,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:15:48,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-21 12:15:48,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-21 12:15:48,466 INFO L87 Difference]: Start difference. First operand 2525 states and 3177 transitions. Second operand 5 states.
[2020-07-21 12:15:49,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:15:49,008 INFO L93 Difference]: Finished difference Result 5444 states and 6956 transitions.
[2020-07-21 12:15:49,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-21 12:15:49,009 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129
[2020-07-21 12:15:49,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:15:49,025 INFO L225 Difference]: With dead ends: 5444
[2020-07-21 12:15:49,026 INFO L226 Difference]: Without dead ends: 2941
[2020-07-21 12:15:49,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 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 12:15:49,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states.
[2020-07-21 12:15:49,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2629.
[2020-07-21 12:15:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2629 states.
[2020-07-21 12:15:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 3205 transitions.
[2020-07-21 12:15:49,211 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 3205 transitions. Word has length 129
[2020-07-21 12:15:49,212 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:15:49,212 INFO L479 AbstractCegarLoop]: Abstraction has 2629 states and 3205 transitions.
[2020-07-21 12:15:49,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-21 12:15:49,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3205 transitions.
[2020-07-21 12:15:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2020-07-21 12:15:49,217 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:49,217 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:15:49,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:49,433 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:49,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:49,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1120860007, now seen corresponding path program 1 times
[2020-07-21 12:15:49,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:49,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429044828]
[2020-07-21 12:15:49,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 12:15:49,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-21 12:15:49,546 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:15:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2020-07-21 12:15:49,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:15:49,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429044828]
[2020-07-21 12:15:49,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:15:49,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 12:15:49,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816608784]
[2020-07-21 12:15:49,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 12:15:49,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:15:49,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 12:15:49,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 12:15:49,590 INFO L87 Difference]: Start difference. First operand 2629 states and 3205 transitions. Second operand 6 states.
[2020-07-21 12:15:49,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:15:49,737 INFO L93 Difference]: Finished difference Result 5334 states and 6680 transitions.
[2020-07-21 12:15:49,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-21 12:15:49,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129
[2020-07-21 12:15:49,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:15:49,754 INFO L225 Difference]: With dead ends: 5334
[2020-07-21 12:15:49,754 INFO L226 Difference]: Without dead ends: 2729
[2020-07-21 12:15:49,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 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 12:15:49,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states.
[2020-07-21 12:15:49,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2709.
[2020-07-21 12:15:49,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2709 states.
[2020-07-21 12:15:49,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2709 states and 3267 transitions.
[2020-07-21 12:15:49,965 INFO L78 Accepts]: Start accepts. Automaton has 2709 states and 3267 transitions. Word has length 129
[2020-07-21 12:15:49,965 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:15:49,965 INFO L479 AbstractCegarLoop]: Abstraction has 2709 states and 3267 transitions.
[2020-07-21 12:15:49,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 12:15:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 3267 transitions.
[2020-07-21 12:15:49,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2020-07-21 12:15:49,968 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:49,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:15:50,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:50,182 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:50,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:50,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1942329383, now seen corresponding path program 1 times
[2020-07-21 12:15:50,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:50,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [67820687]
[2020-07-21 12:15:50,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-21 12:15:50,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-21 12:15:50,308 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 12:15:50,363 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2020-07-21 12:15:50,363 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 12:15:50,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [67820687]
[2020-07-21 12:15:50,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 12:15:50,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-21 12:15:50,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310454825]
[2020-07-21 12:15:50,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 12:15:50,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 12:15:50,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 12:15:50,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-21 12:15:50,370 INFO L87 Difference]: Start difference. First operand 2709 states and 3267 transitions. Second operand 6 states.
[2020-07-21 12:15:50,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 12:15:50,535 INFO L93 Difference]: Finished difference Result 4625 states and 5657 transitions.
[2020-07-21 12:15:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-21 12:15:50,536 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129
[2020-07-21 12:15:50,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 12:15:50,552 INFO L225 Difference]: With dead ends: 4625
[2020-07-21 12:15:50,552 INFO L226 Difference]: Without dead ends: 1936
[2020-07-21 12:15:50,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 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 12:15:50,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states.
[2020-07-21 12:15:50,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1936.
[2020-07-21 12:15:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1936 states.
[2020-07-21 12:15:50,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2287 transitions.
[2020-07-21 12:15:50,708 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2287 transitions. Word has length 129
[2020-07-21 12:15:50,709 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 12:15:50,709 INFO L479 AbstractCegarLoop]: Abstraction has 1936 states and 2287 transitions.
[2020-07-21 12:15:50,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 12:15:50,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2287 transitions.
[2020-07-21 12:15:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2020-07-21 12:15:50,711 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 12:15:50,711 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:15:50,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:50,925 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 12:15:50,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 12:15:50,925 INFO L82 PathProgramCache]: Analyzing trace with hash 473506967, now seen corresponding path program 1 times
[2020-07-21 12:15:50,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 12:15:50,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [864117582]
[2020-07-21 12:15:50,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
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 12:15:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-21 12:15:51,010 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 12:15:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-21 12:15:51,054 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-21 12:15:51,215 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-21 12:15:51,216 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-21 12:15:51,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 12:15:51,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:15:51 BoogieIcfgContainer
[2020-07-21 12:15:51,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 12:15:51,555 INFO L168 Benchmark]: Toolchain (without parser) took 10600.53 ms. Allocated memory was 138.9 MB in the beginning and 407.9 MB in the end (delta: 269.0 MB). Free memory was 99.7 MB in the beginning and 155.5 MB in the end (delta: -55.8 MB). Peak memory consumption was 213.1 MB. Max. memory is 7.1 GB.
[2020-07-21 12:15:51,556 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-07-21 12:15:51,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.63 ms. Allocated memory is still 138.9 MB. Free memory was 99.3 MB in the beginning and 86.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB.
[2020-07-21 12:15:51,557 INFO L168 Benchmark]: Boogie Preprocessor took 124.10 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 86.2 MB in the beginning and 177.1 MB in the end (delta: -90.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB.
[2020-07-21 12:15:51,558 INFO L168 Benchmark]: RCFGBuilder took 526.63 ms. Allocated memory is still 199.8 MB. Free memory was 177.1 MB in the beginning and 146.8 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB.
[2020-07-21 12:15:51,559 INFO L168 Benchmark]: TraceAbstraction took 9607.06 ms. Allocated memory was 199.8 MB in the beginning and 407.9 MB in the end (delta: 208.1 MB). Free memory was 146.8 MB in the beginning and 155.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 199.4 MB. Max. memory is 7.1 GB.
[2020-07-21 12:15:51,562 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 138.9 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 336.63 ms. Allocated memory is still 138.9 MB. Free memory was 99.3 MB in the beginning and 86.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 124.10 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 86.2 MB in the beginning and 177.1 MB in the end (delta: -90.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 526.63 ms. Allocated memory is still 199.8 MB. Free memory was 177.1 MB in the beginning and 146.8 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 9607.06 ms. Allocated memory was 199.8 MB in the beginning and 407.9 MB in the end (delta: 208.1 MB). Free memory was 146.8 MB in the beginning and 155.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 199.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 11]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L15] int m_pc = 0;
[L16] int t1_pc = 0;
[L17] int m_st ;
[L18] int t1_st ;
[L19] int m_i ;
[L20] int t1_i ;
[L21] int M_E = 2;
[L22] int T1_E = 2;
[L23] int E_1 = 2;
VAL [\old(E_1)=8, \old(M_E)=11, \old(m_i)=9, \old(m_pc)=7, \old(m_st)=4, \old(T1_E)=10, \old(t1_i)=5, \old(t1_pc)=3, \old(t1_st)=6, E_1=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0]
[L439] int __retres1 ;
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0]
[L443] CALL init_model()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0]
[L354] m_i = 1
[L355] t1_i = 1
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L443] RET init_model()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L444] CALL start_simulation()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L380] int kernel_st ;
[L381] int tmp ;
[L382] int tmp___0 ;
[L386] kernel_st = 0
VAL [\old(E_1)=2, \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, E_1=2, kernel_st=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]
[L387] FCALL update_channels()
VAL [\old(E_1)=2, \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, E_1=2, kernel_st=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]
[L388] CALL init_threads()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L151] COND TRUE m_i == 1
[L152] m_st = 0
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L156] COND TRUE t1_i == 1
[L157] t1_st = 0
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L388] RET init_threads()
VAL [\old(E_1)=2, \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, E_1=2, kernel_st=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]
[L389] CALL fire_delta_events()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L240] COND FALSE !(M_E == 0)
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L245] COND FALSE !(T1_E == 0)
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L250] COND FALSE !(E_1 == 0)
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L389] RET fire_delta_events()
VAL [\old(E_1)=2, \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, E_1=2, kernel_st=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]
[L390] CALL activate_threads()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L283] int tmp ;
[L284] int tmp___0 ;
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L288] CALL, EXPR is_master_triggered()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L102] int __retres1 ;
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L105] COND FALSE !(m_pc == 1)
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L115] __retres1 = 0
VAL [\old(E_1)=2, \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, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L117] return (__retres1);
VAL [\old(E_1)=2, \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, \result=0, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L288] RET, EXPR is_master_triggered()
VAL [\old(E_1)=2, \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, E_1=2, is_master_triggered()=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]
[L288] tmp = is_master_triggered()
[L290] COND FALSE !(\read(tmp))
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=0]
[L296] CALL, EXPR is_transmit1_triggered()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L121] int __retres1 ;
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L124] COND FALSE !(t1_pc == 1)
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L134] __retres1 = 0
VAL [\old(E_1)=2, \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, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L136] return (__retres1);
VAL [\old(E_1)=2, \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, \result=0, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L296] RET, EXPR is_transmit1_triggered()
VAL [\old(E_1)=2, \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, E_1=2, is_transmit1_triggered()=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, tmp=0]
[L296] tmp___0 = is_transmit1_triggered()
[L298] COND FALSE !(\read(tmp___0))
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=0, tmp___0=0]
[L390] RET activate_threads()
VAL [\old(E_1)=2, \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, E_1=2, kernel_st=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]
[L391] CALL reset_delta_events()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L263] COND FALSE !(M_E == 1)
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L268] COND FALSE !(T1_E == 1)
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L273] COND FALSE !(E_1 == 1)
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L391] RET reset_delta_events()
VAL [\old(E_1)=2, \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, E_1=2, kernel_st=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]
[L394] COND TRUE 1
VAL [\old(E_1)=2, \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, E_1=2, kernel_st=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]
[L397] kernel_st = 1
VAL [\old(E_1)=2, \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, E_1=2, kernel_st=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L398] CALL eval()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L187] int tmp ;
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L191] COND TRUE 1
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L194] CALL, EXPR exists_runnable_thread()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L166] int __retres1 ;
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L169] COND TRUE m_st == 0
[L170] __retres1 = 1
VAL [\old(E_1)=2, \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, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L182] return (__retres1);
VAL [\old(E_1)=2, \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, \result=1, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L194] RET, EXPR exists_runnable_thread()
VAL [\old(E_1)=2, \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, E_1=2, exists_runnable_thread()=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0]
[L194] tmp = exists_runnable_thread()
[L196] COND TRUE \read(tmp)
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=1]
[L201] COND TRUE m_st == 0
[L202] int tmp_ndt_1;
[L203] tmp_ndt_1 = __VERIFIER_nondet_int()
[L204] COND FALSE !(\read(tmp_ndt_1))
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=1, tmp_ndt_1=0]
[L215] COND TRUE t1_st == 0
[L216] int tmp_ndt_2;
[L217] tmp_ndt_2 = __VERIFIER_nondet_int()
[L218] COND TRUE \read(tmp_ndt_2)
[L220] t1_st = 1
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1]
[L221] CALL transmit1()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1]
[L72] COND TRUE t1_pc == 0
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1]
[L83] COND TRUE 1
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1]
[L85] t1_pc = 1
[L86] t1_st = 2
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L221] RET transmit1()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1]
[L191] COND TRUE 1
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1]
[L194] CALL, EXPR exists_runnable_thread()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L166] int __retres1 ;
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L169] COND TRUE m_st == 0
[L170] __retres1 = 1
VAL [\old(E_1)=2, \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, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L182] return (__retres1);
VAL [\old(E_1)=2, \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, \result=1, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L194] RET, EXPR exists_runnable_thread()
VAL [\old(E_1)=2, \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, E_1=2, exists_runnable_thread()=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1]
[L194] tmp = exists_runnable_thread()
[L196] COND TRUE \read(tmp)
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1]
[L201] COND TRUE m_st == 0
[L202] int tmp_ndt_1;
[L203] tmp_ndt_1 = __VERIFIER_nondet_int()
[L204] COND TRUE \read(tmp_ndt_1)
[L206] m_st = 1
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=1]
[L207] CALL master()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L31] COND TRUE m_pc == 0
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L42] COND TRUE 1
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L45] E_1 = 1
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L46] CALL immediate_notify()
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L312] CALL activate_threads()
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L283] int tmp ;
[L284] int tmp___0 ;
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L288] CALL, EXPR is_master_triggered()
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L102] int __retres1 ;
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L105] COND FALSE !(m_pc == 1)
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L115] __retres1 = 0
VAL [\old(E_1)=2, \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, __retres1=0, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L117] return (__retres1);
VAL [\old(E_1)=2, \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, \result=0, __retres1=0, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L288] RET, EXPR is_master_triggered()
VAL [\old(E_1)=2, \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, E_1=1, is_master_triggered()=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]
[L288] tmp = is_master_triggered()
[L290] COND FALSE !(\read(tmp))
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=0]
[L296] CALL, EXPR is_transmit1_triggered()
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L121] int __retres1 ;
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L124] COND TRUE t1_pc == 1
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L125] COND TRUE E_1 == 1
[L126] __retres1 = 1
VAL [\old(E_1)=2, \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, __retres1=1, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L136] return (__retres1);
VAL [\old(E_1)=2, \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, \result=1, __retres1=1, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2]
[L296] RET, EXPR is_transmit1_triggered()
VAL [\old(E_1)=2, \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, E_1=1, is_transmit1_triggered()=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=0]
[L296] tmp___0 = is_transmit1_triggered()
[L298] COND TRUE \read(tmp___0)
[L299] t1_st = 0
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, tmp=0, tmp___0=1]
[L312] RET activate_threads()
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0]
[L46] RET immediate_notify()
VAL [\old(E_1)=2, \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, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0]
[L47] E_1 = 2
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0]
[L50] COND TRUE 1
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0]
[L52] m_pc = 1
[L53] m_st = 2
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0]
[L207] RET master()
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=1]
[L215] COND TRUE t1_st == 0
[L216] int tmp_ndt_2;
[L217] tmp_ndt_2 = __VERIFIER_nondet_int()
[L218] COND TRUE \read(tmp_ndt_2)
[L220] t1_st = 1
VAL [\old(E_1)=2, \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, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=-1]
[L221] CALL transmit1()
VAL [\old(E_1)=2, \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)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1]
[L72] COND FALSE !(t1_pc == 0)
VAL [\old(E_1)=2, \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)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1]
[L75] COND TRUE t1_pc == 1
VAL [\old(E_1)=2, \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)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1]
[L91] CALL error()
VAL [\old(E_1)=2, \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)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1]
[L11] __VERIFIER_error()
VAL [\old(E_1)=2, \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)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 21 procedures, 139 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.4s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2128 SDtfs, 1553 SDslu, 2214 SDs, 0 SdLazy, 804 SolverSat, 334 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1255 GetRequests, 1222 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3184occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 712 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1388 NumberOfCodeBlocks, 1388 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1248 ConstructedInterpolants, 0 QuantifiedInterpolants, 198680 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4915 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 314/314 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...