java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c


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


This is Ultimate 0.1.24-fea9116
[2019-09-21 08:39:05,413 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-21 08:39:05,415 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-21 08:39:05,427 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-21 08:39:05,427 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-21 08:39:05,428 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-21 08:39:05,429 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-21 08:39:05,431 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-21 08:39:05,433 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-21 08:39:05,434 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-21 08:39:05,435 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-21 08:39:05,436 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-21 08:39:05,436 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-21 08:39:05,437 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-21 08:39:05,438 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-21 08:39:05,439 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-21 08:39:05,440 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-21 08:39:05,441 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-21 08:39:05,443 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-21 08:39:05,445 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-21 08:39:05,447 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-21 08:39:05,448 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-21 08:39:05,449 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-21 08:39:05,450 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-21 08:39:05,453 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-21 08:39:05,453 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-21 08:39:05,453 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-21 08:39:05,454 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-21 08:39:05,455 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-21 08:39:05,456 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-21 08:39:05,456 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-21 08:39:05,457 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-21 08:39:05,458 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-21 08:39:05,459 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-21 08:39:05,460 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-21 08:39:05,460 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-21 08:39:05,461 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-21 08:39:05,461 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-21 08:39:05,461 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-21 08:39:05,462 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-21 08:39:05,463 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-21 08:39:05,464 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
[2019-09-21 08:39:05,492 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-21 08:39:05,492 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-21 08:39:05,493 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-21 08:39:05,493 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-21 08:39:05,494 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-21 08:39:05,494 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-21 08:39:05,495 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-21 08:39:05,495 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-21 08:39:05,495 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-21 08:39:05,495 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-21 08:39:05,496 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-21 08:39:05,496 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-21 08:39:05,497 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-21 08:39:05,497 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-21 08:39:05,497 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-21 08:39:05,497 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-21 08:39:05,498 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-21 08:39:05,498 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-21 08:39:05,498 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-21 08:39:05,498 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-21 08:39:05,499 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-21 08:39:05,499 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 08:39:05,499 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-21 08:39:05,499 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-21 08:39:05,499 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-21 08:39:05,500 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-21 08:39:05,500 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-21 08:39:05,500 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-21 08:39:05,500 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-09-21 08:39:05,545 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-21 08:39:05,559 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-21 08:39:05,562 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-21 08:39:05,566 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-21 08:39:05,566 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-21 08:39:05,567 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c
[2019-09-21 08:39:05,638 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98aa0746b/76f62a17ab584caa8849d31a3e6af7ff/FLAG88187d75f
[2019-09-21 08:39:06,061 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-21 08:39:06,061 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c
[2019-09-21 08:39:06,073 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98aa0746b/76f62a17ab584caa8849d31a3e6af7ff/FLAG88187d75f
[2019-09-21 08:39:06,464 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98aa0746b/76f62a17ab584caa8849d31a3e6af7ff
[2019-09-21 08:39:06,476 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-21 08:39:06,477 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-21 08:39:06,478 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-21 08:39:06,479 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-21 08:39:06,482 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-21 08:39:06,483 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:39:06" (1/1) ...
[2019-09-21 08:39:06,486 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f84248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06, skipping insertion in model container
[2019-09-21 08:39:06,486 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:39:06" (1/1) ...
[2019-09-21 08:39:06,493 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-21 08:39:06,534 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-21 08:39:06,739 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 08:39:06,747 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-21 08:39:06,875 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 08:39:06,906 INFO  L192         MainTranslator]: Completed translation
[2019-09-21 08:39:06,907 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06 WrapperNode
[2019-09-21 08:39:06,907 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-21 08:39:06,908 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-21 08:39:06,908 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-21 08:39:06,908 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-21 08:39:06,917 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ...
[2019-09-21 08:39:06,917 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ...
[2019-09-21 08:39:06,927 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ...
[2019-09-21 08:39:06,927 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ...
[2019-09-21 08:39:06,936 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ...
[2019-09-21 08:39:06,946 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ...
[2019-09-21 08:39:06,948 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (1/1) ...
[2019-09-21 08:39:06,951 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-21 08:39:06,952 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-21 08:39:06,952 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-21 08:39:06,952 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-21 08:39:06,953 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:39:06" (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
[2019-09-21 08:39:07,002 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-21 08:39:07,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-21 08:39:07,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure error
[2019-09-21 08:39:07,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure read_data
[2019-09-21 08:39:07,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure write_data
[2019-09-21 08:39:07,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure P_1
[2019-09-21 08:39:07,003 INFO  L138     BoogieDeclarations]: Found implementation of procedure is_P_1_triggered
[2019-09-21 08:39:07,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure C_1
[2019-09-21 08:39:07,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure is_C_1_triggered
[2019-09-21 08:39:07,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure update_channels
[2019-09-21 08:39:07,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_threads
[2019-09-21 08:39:07,004 INFO  L138     BoogieDeclarations]: Found implementation of procedure exists_runnable_thread
[2019-09-21 08:39:07,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure eval
[2019-09-21 08:39:07,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure fire_delta_events
[2019-09-21 08:39:07,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure reset_delta_events
[2019-09-21 08:39:07,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure fire_time_events
[2019-09-21 08:39:07,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure reset_time_events
[2019-09-21 08:39:07,005 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_threads
[2019-09-21 08:39:07,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure immediate_notify
[2019-09-21 08:39:07,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure stop_simulation
[2019-09-21 08:39:07,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure start_simulation
[2019-09-21 08:39:07,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure init_model
[2019-09-21 08:39:07,006 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-21 08:39:07,006 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-21 08:39:07,007 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-21 08:39:07,007 INFO  L130     BoogieDeclarations]: Found specification of procedure error
[2019-09-21 08:39:07,007 INFO  L130     BoogieDeclarations]: Found specification of procedure immediate_notify
[2019-09-21 08:39:07,007 INFO  L130     BoogieDeclarations]: Found specification of procedure read_data
[2019-09-21 08:39:07,007 INFO  L130     BoogieDeclarations]: Found specification of procedure write_data
[2019-09-21 08:39:07,007 INFO  L130     BoogieDeclarations]: Found specification of procedure P_1
[2019-09-21 08:39:07,008 INFO  L130     BoogieDeclarations]: Found specification of procedure is_P_1_triggered
[2019-09-21 08:39:07,008 INFO  L130     BoogieDeclarations]: Found specification of procedure C_1
[2019-09-21 08:39:07,008 INFO  L130     BoogieDeclarations]: Found specification of procedure is_C_1_triggered
[2019-09-21 08:39:07,008 INFO  L130     BoogieDeclarations]: Found specification of procedure update_channels
[2019-09-21 08:39:07,008 INFO  L130     BoogieDeclarations]: Found specification of procedure init_threads
[2019-09-21 08:39:07,008 INFO  L130     BoogieDeclarations]: Found specification of procedure exists_runnable_thread
[2019-09-21 08:39:07,009 INFO  L130     BoogieDeclarations]: Found specification of procedure eval
[2019-09-21 08:39:07,009 INFO  L130     BoogieDeclarations]: Found specification of procedure fire_delta_events
[2019-09-21 08:39:07,009 INFO  L130     BoogieDeclarations]: Found specification of procedure reset_delta_events
[2019-09-21 08:39:07,009 INFO  L130     BoogieDeclarations]: Found specification of procedure fire_time_events
[2019-09-21 08:39:07,009 INFO  L130     BoogieDeclarations]: Found specification of procedure reset_time_events
[2019-09-21 08:39:07,009 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_threads
[2019-09-21 08:39:07,009 INFO  L130     BoogieDeclarations]: Found specification of procedure stop_simulation
[2019-09-21 08:39:07,010 INFO  L130     BoogieDeclarations]: Found specification of procedure start_simulation
[2019-09-21 08:39:07,010 INFO  L130     BoogieDeclarations]: Found specification of procedure init_model
[2019-09-21 08:39:07,010 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-21 08:39:07,010 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-21 08:39:07,010 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-21 08:39:07,715 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-21 08:39:07,715 INFO  L283             CfgBuilder]: Removed 4 assume(true) statements.
[2019-09-21 08:39:07,716 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:39:07 BoogieIcfgContainer
[2019-09-21 08:39:07,717 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-21 08:39:07,717 INFO  L113        PluginConnector]: ------------------------Sifa----------------------------
[2019-09-21 08:39:07,717 INFO  L271        PluginConnector]: Initializing Sifa...
[2019-09-21 08:39:07,718 INFO  L275        PluginConnector]: Sifa initialized
[2019-09-21 08:39:07,719 INFO  L185        PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:39:07" (1/1) ...
[2019-09-21 08:39:07,720 INFO  L79            SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds
(negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than
(negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid
[2019-09-21 08:39:07,742 INFO  L162        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-21 08:39:07,743 INFO  L169        IcfgInterpreter]: Building call graph
[2019-09-21 08:39:07,752 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-21 08:39:07,761 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-09-21 08:39:07,762 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-21 08:39:07,901 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs
[2019-09-21 08:39:07,932 INFO  L199        IcfgInterpreter]: Interpreting procedure start_simulation with input of size 58 for LOIs
[2019-09-21 08:39:10,204 INFO  L199        IcfgInterpreter]: Interpreting procedure eval with input of size 28 for LOIs
[2019-09-21 08:39:10,498 INFO  L199        IcfgInterpreter]: Interpreting procedure C_1 with input of size 18 for LOIs
[2019-09-21 08:39:10,528 INFO  L199        IcfgInterpreter]: Interpreting procedure read_data with input of size 22 for LOIs
[2019-09-21 08:39:10,533 INFO  L199        IcfgInterpreter]: Interpreting procedure P_1 with input of size 18 for LOIs
[2019-09-21 08:39:10,535 INFO  L199        IcfgInterpreter]: Interpreting procedure write_data with input of size 19 for LOIs
[2019-09-21 08:39:10,538 INFO  L199        IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs
[2019-09-21 08:39:10,539 INFO  L183        IcfgInterpreter]: Interpretation finished
[2019-09-21 08:39:10,539 INFO  L191        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-21 08:39:10,541 INFO  L193        IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1748#true
[2019-09-21 08:39:10,553 INFO  L104           SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-21 08:39:10,553 INFO  L132        PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-21 08:39:10,556 INFO  L168              Benchmark]: Toolchain (without parser) took 4077.98 ms. Allocated memory was 129.5 MB in the beginning and 357.0 MB in the end (delta: 227.5 MB). Free memory was 84.5 MB in the beginning and 302.7 MB in the end (delta: -218.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
[2019-09-21 08:39:10,557 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 129.5 MB. Free memory is still 103.3 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2019-09-21 08:39:10,558 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 429.19 ms. Allocated memory was 129.5 MB in the beginning and 196.6 MB in the end (delta: 67.1 MB). Free memory was 84.5 MB in the beginning and 171.1 MB in the end (delta: -86.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB.
[2019-09-21 08:39:10,559 INFO  L168              Benchmark]: Boogie Preprocessor took 43.60 ms. Allocated memory is still 196.6 MB. Free memory was 171.1 MB in the beginning and 168.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB.
[2019-09-21 08:39:10,560 INFO  L168              Benchmark]: RCFGBuilder took 765.05 ms. Allocated memory is still 196.6 MB. Free memory was 168.2 MB in the beginning and 121.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB.
[2019-09-21 08:39:10,561 INFO  L168              Benchmark]: Sifa took 2836.40 ms. Allocated memory was 196.6 MB in the beginning and 357.0 MB in the end (delta: 160.4 MB). Free memory was 121.1 MB in the beginning and 302.7 MB in the end (delta: -181.6 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2019-09-21 08:39:10,564 INFO  L335   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 129.5 MB. Free memory is still 103.3 MB. There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 429.19 ms. Allocated memory was 129.5 MB in the beginning and 196.6 MB in the end (delta: 67.1 MB). Free memory was 84.5 MB in the beginning and 171.1 MB in the end (delta: -86.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 43.60 ms. Allocated memory is still 196.6 MB. Free memory was 171.1 MB in the beginning and 168.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 765.05 ms. Allocated memory is still 196.6 MB. Free memory was 168.2 MB in the beginning and 121.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB.
 * Sifa took 2836.40 ms. Allocated memory was 196.6 MB in the beginning and 357.0 MB in the end (delta: 160.4 MB). Free memory was 121.1 MB in the beginning and 302.7 MB in the end (delta: -181.6 MB). There was no memory consumed. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa:
  - StatisticsResult: Symbolic Interpretation with Fluid Abstractions
    OVERALL_TIME[ms]: 2799, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1081, DAG_INTERPRETER_EARLY_EXITS: 44, TOOLS_POST_APPLICATIONS: 765, TOOLS_POST_TIME[ms]: 306, TOOLS_POST_CALL_APPLICATIONS: 212, TOOLS_POST_CALL_TIME[ms]: 301, TOOLS_POST_RETURN_APPLICATIONS: 202, TOOLS_POST_RETURN_TIME[ms]: 224, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1178, TOOLS_QUANTIFIERELIM_TIME[ms]: 594, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 25, FLUID_QUERIES: 1173, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 231, DOMAIN_JOIN_TIME[ms]: 1345, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 9, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 43, DOMAIN_ISSUBSETEQ_APPLICATIONS: 92, DOMAIN_ISSUBSETEQ_TIME[ms]: 46, DOMAIN_ISBOTTOM_APPLICATIONS: 192, DOMAIN_ISBOTTOM_TIME[ms]: 302, LOOP_SUMMARIZER_APPLICATIONS: 90, LOOP_SUMMARIZER_CACHE_MISSES: 90, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1929, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1928, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 92, CALL_SUMMARIZER_APPLICATIONS: 202, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1937, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1936, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 53, DAG_COMPRESSION_PROCESSED_NODES: 798, DAG_COMPRESSION_RETAINED_NODES: 327
  - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: Over-approximation of reachable states at this location is 1748#true. 
Possible FailurePath: 

RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...