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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 03:02:57,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 03:02:57,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 03:02:57,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 03:02:57,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 03:02:57,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 03:02:57,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 03:02:57,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 03:02:57,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 03:02:57,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 03:02:57,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 03:02:57,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 03:02:57,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 03:02:57,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 03:02:57,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 03:02:57,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 03:02:57,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 03:02:57,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 03:02:57,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 03:02:57,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 03:02:57,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 03:02:57,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 03:02:57,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 03:02:57,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 03:02:57,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 03:02:57,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 03:02:57,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 03:02:57,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 03:02:57,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 03:02:57,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 03:02:57,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 03:02:57,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 03:02:57,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 03:02:57,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 03:02:57,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 03:02:57,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 03:02:57,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 03:02:57,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 03:02:57,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 03:02:57,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 03:02:57,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 03:02:57,376 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 [2019-10-14 03:02:57,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 03:02:57,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 03:02:57,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 03:02:57,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 03:02:57,392 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 03:02:57,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 03:02:57,393 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 03:02:57,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 03:02:57,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 03:02:57,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 03:02:57,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 03:02:57,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 03:02:57,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 03:02:57,394 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 03:02:57,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 03:02:57,394 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 03:02:57,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 03:02:57,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 03:02:57,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 03:02:57,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 03:02:57,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 03:02:57,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 03:02:57,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 03:02:57,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 03:02:57,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 03:02:57,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 03:02:57,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 03:02:57,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 03:02:57,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 03:02:57,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 03:02:57,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 03:02:57,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 03:02:57,765 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 03:02:57,765 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 03:02:57,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-10-14 03:02:57,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c9a836e2/ef2de0460992493a8498729cea72c571/FLAGe718ca442 [2019-10-14 03:02:58,333 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 03:02:58,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-10-14 03:02:58,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c9a836e2/ef2de0460992493a8498729cea72c571/FLAGe718ca442 [2019-10-14 03:02:58,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c9a836e2/ef2de0460992493a8498729cea72c571 [2019-10-14 03:02:58,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 03:02:58,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 03:02:58,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 03:02:58,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 03:02:58,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 03:02:58,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:02:58" (1/1) ... [2019-10-14 03:02:58,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7492c7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:58, skipping insertion in model container [2019-10-14 03:02:58,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:02:58" (1/1) ... [2019-10-14 03:02:58,721 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 03:02:58,765 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 03:02:59,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 03:02:59,143 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 03:02:59,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 03:02:59,357 INFO L192 MainTranslator]: Completed translation [2019-10-14 03:02:59,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:59 WrapperNode [2019-10-14 03:02:59,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 03:02:59,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 03:02:59,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 03:02:59,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 03:02:59,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:59" (1/1) ... [2019-10-14 03:02:59,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:59" (1/1) ... [2019-10-14 03:02:59,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:59" (1/1) ... [2019-10-14 03:02:59,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:59" (1/1) ... [2019-10-14 03:02:59,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:59" (1/1) ... [2019-10-14 03:02:59,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:59" (1/1) ... [2019-10-14 03:02:59,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:59" (1/1) ... [2019-10-14 03:02:59,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 03:02:59,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 03:02:59,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 03:02:59,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 03:02:59,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:02:59" (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 [2019-10-14 03:02:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 03:02:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 03:02:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-14 03:02:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-10-14 03:02:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-10-14 03:02:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-10-14 03:02:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-10-14 03:02:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-10-14 03:02:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-10-14 03:02:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-14 03:02:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-14 03:02:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-14 03:02:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-14 03:02:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-14 03:02:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-14 03:02:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-14 03:02:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-14 03:02:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-14 03:02:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-14 03:02:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-14 03:02:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-14 03:02:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-14 03:02:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 03:02:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 03:02:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-14 03:02:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-10-14 03:02:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-10-14 03:02:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-10-14 03:02:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-14 03:02:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 03:02:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-10-14 03:02:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-10-14 03:02:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-10-14 03:02:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-14 03:02:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-14 03:02:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-14 03:02:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-14 03:02:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-14 03:02:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-14 03:02:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-14 03:02:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-14 03:02:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-14 03:02:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-14 03:02:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-14 03:02:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-14 03:02:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 03:02:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 03:02:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 03:03:00,494 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 03:03:00,495 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 03:03:00,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:03:00 BoogieIcfgContainer [2019-10-14 03:03:00,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 03:03:00,497 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 03:03:00,497 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 03:03:00,498 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 03:03:00,499 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:03:00" (1/1) ... [2019-10-14 03:03:00,499 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 03:03:00,526 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 03:03:00,526 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 03:03:00,535 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 03:03:00,542 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 03:03:00,544 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 03:03:00,880 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 91 for LOIs [2019-10-14 03:03:00,939 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 80 for LOIs [2019-10-14 03:03:01,039 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-14 03:03:01,063 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-14 03:03:01,333 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-14 03:03:01,349 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-14 03:03:03,058 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-14 03:03:03,068 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-14 03:03:04,409 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 64 for LOIs [2019-10-14 03:03:05,435 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 36 for LOIs [2019-10-14 03:03:05,437 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 27 for LOIs [2019-10-14 03:03:05,442 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 03:03:05,442 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 03:03:05,444 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2436#(and (= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (= ~m_i~0 1) (= ~t1_i~0 1) (<= 1 ~t2_i~0) (= ~m_st~0 1) (<= ~t1_i~0 1) (<= ~m_i~0 1) (<= 1 ~m_i~0) (not (= ~m_pc~0 0)) (= ~t2_i~0 1) (not (= (+ ~local~0 2) ~token~0)) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~t2_i~0 1) (<= 1 ~t1_i~0)) [2019-10-14 03:03:05,461 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 03:03:05,461 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 03:03:05,464 INFO L168 Benchmark]: Toolchain (without parser) took 6759.44 ms. Allocated memory was 135.8 MB in the beginning and 384.3 MB in the end (delta: 248.5 MB). Free memory was 100.9 MB in the beginning and 257.5 MB in the end (delta: -156.6 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. [2019-10-14 03:03:05,465 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 03:03:05,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.86 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 177.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-14 03:03:05,467 INFO L168 Benchmark]: Boogie Preprocessor took 57.55 ms. Allocated memory is still 201.3 MB. Free memory was 177.0 MB in the beginning and 174.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-10-14 03:03:05,468 INFO L168 Benchmark]: RCFGBuilder took 1076.81 ms. Allocated memory is still 201.3 MB. Free memory was 174.1 MB in the beginning and 104.2 MB in the end (delta: 70.0 MB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. [2019-10-14 03:03:05,469 INFO L168 Benchmark]: Sifa took 4964.39 ms. Allocated memory was 201.3 MB in the beginning and 384.3 MB in the end (delta: 183.0 MB). Free memory was 104.2 MB in the beginning and 257.5 MB in the end (delta: -153.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2019-10-14 03:03:05,473 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 135.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.86 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 100.6 MB in the beginning and 177.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.55 ms. Allocated memory is still 201.3 MB. Free memory was 177.0 MB in the beginning and 174.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1076.81 ms. Allocated memory is still 201.3 MB. Free memory was 174.1 MB in the beginning and 104.2 MB in the end (delta: 70.0 MB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. * Sifa took 4964.39 ms. Allocated memory was 201.3 MB in the beginning and 384.3 MB in the end (delta: 183.0 MB). Free memory was 104.2 MB in the beginning and 257.5 MB in the end (delta: -153.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 4919, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 634, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 456, TOOLS_POST_TIME[ms]: 194, TOOLS_POST_CALL_APPLICATIONS: 123, TOOLS_POST_CALL_TIME[ms]: 331, TOOLS_POST_RETURN_APPLICATIONS: 118, TOOLS_POST_RETURN_TIME[ms]: 172, TOOLS_QUANTIFIERELIM_APPLICATIONS: 697, TOOLS_QUANTIFIERELIM_TIME[ms]: 499, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 654, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 257, DOMAIN_JOIN_TIME[ms]: 3645, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 12, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 185, DOMAIN_ISBOTTOM_TIME[ms]: 320, LOOP_SUMMARIZER_APPLICATIONS: 19, LOOP_SUMMARIZER_CACHE_MISSES: 19, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3518, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3517, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 118, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3282, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3280, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 14, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 503, DAG_COMPRESSION_RETAINED_NODES: 273 - UnprovableResult [Line: 10]: 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 2436#(and (= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (= ~m_i~0 1) (= ~t1_i~0 1) (<= 1 ~t2_i~0) (= ~m_st~0 1) (<= ~t1_i~0 1) (<= ~m_i~0 1) (<= 1 ~m_i~0) (not (= ~m_pc~0 0)) (= ~t2_i~0 1) (not (= (+ ~local~0 2) ~token~0)) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~t2_i~0 1) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...