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.03.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 03:03:00,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 03:03:00,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 03:03:00,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 03:03:00,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 03:03:00,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 03:03:00,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 03:03:00,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 03:03:00,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 03:03:00,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 03:03:00,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 03:03:00,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 03:03:00,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 03:03:00,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 03:03:00,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 03:03:00,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 03:03:00,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 03:03:00,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 03:03:00,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 03:03:00,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 03:03:00,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 03:03:00,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 03:03:00,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 03:03:00,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 03:03:00,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 03:03:00,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 03:03:00,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 03:03:00,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 03:03:00,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 03:03:00,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 03:03:00,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 03:03:00,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 03:03:00,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 03:03:00,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 03:03:00,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 03:03:00,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 03:03:00,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 03:03:00,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 03:03:00,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 03:03:00,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 03:03:00,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 03:03:00,737 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 03:03:00,751 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 03:03:00,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 03:03:00,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 03:03:00,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 03:03:00,753 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 03:03:00,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 03:03:00,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 03:03:00,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 03:03:00,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 03:03:00,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 03:03:00,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 03:03:00,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 03:03:00,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 03:03:00,755 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 03:03:00,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 03:03:00,755 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 03:03:00,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 03:03:00,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 03:03:00,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 03:03:00,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 03:03:00,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 03:03:00,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 03:03:00,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 03:03:00,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 03:03:00,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 03:03:00,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 03:03:00,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 03:03:00,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 03:03:00,758 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 03:03:01,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 03:03:01,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 03:03:01,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 03:03:01,107 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 03:03:01,107 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 03:03:01,108 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.03.cil-2.c [2019-10-14 03:03:01,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009956ccf/7f2692a00a4e42bba0fee13c27ecb248/FLAG20472edb8 [2019-10-14 03:03:01,638 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 03:03:01,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.03.cil-2.c [2019-10-14 03:03:01,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009956ccf/7f2692a00a4e42bba0fee13c27ecb248/FLAG20472edb8 [2019-10-14 03:03:01,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009956ccf/7f2692a00a4e42bba0fee13c27ecb248 [2019-10-14 03:03:02,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 03:03:02,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 03:03:02,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 03:03:02,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 03:03:02,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 03:03:02,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:03:01" (1/1) ... [2019-10-14 03:03:02,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7a5bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:02, skipping insertion in model container [2019-10-14 03:03:02,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:03:01" (1/1) ... [2019-10-14 03:03:02,022 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 03:03:02,056 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 03:03:02,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 03:03:02,276 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 03:03:02,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 03:03:02,480 INFO L192 MainTranslator]: Completed translation [2019-10-14 03:03:02,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:02 WrapperNode [2019-10-14 03:03:02,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 03:03:02,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 03:03:02,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 03:03:02,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 03:03:02,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:02" (1/1) ... [2019-10-14 03:03:02,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:02" (1/1) ... [2019-10-14 03:03:02,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:02" (1/1) ... [2019-10-14 03:03:02,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:02" (1/1) ... [2019-10-14 03:03:02,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:02" (1/1) ... [2019-10-14 03:03:02,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:02" (1/1) ... [2019-10-14 03:03:02,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:02" (1/1) ... [2019-10-14 03:03:02,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 03:03:02,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 03:03:02,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 03:03:02,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 03:03:02,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:03:02" (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 03:03:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 03:03:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 03:03:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-14 03:03:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-10-14 03:03:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-10-14 03:03:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-10-14 03:03:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-10-14 03:03:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-10-14 03:03:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-10-14 03:03:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-10-14 03:03:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-10-14 03:03:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-14 03:03:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-14 03:03:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-14 03:03:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-14 03:03:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-14 03:03:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-14 03:03:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-14 03:03:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-14 03:03:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-14 03:03:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-14 03:03:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-14 03:03:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-14 03:03:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-14 03:03:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 03:03:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 03:03:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-14 03:03:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-10-14 03:03:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-10-14 03:03:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-10-14 03:03:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-10-14 03:03:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-14 03:03:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 03:03:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-10-14 03:03:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-10-14 03:03:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-10-14 03:03:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-10-14 03:03:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-14 03:03:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-14 03:03:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-14 03:03:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-14 03:03:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-14 03:03:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-14 03:03:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-14 03:03:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-14 03:03:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-14 03:03:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-14 03:03:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-14 03:03:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-14 03:03:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 03:03:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 03:03:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 03:03:03,638 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 03:03:03,639 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-14 03:03:03,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:03:03 BoogieIcfgContainer [2019-10-14 03:03:03,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 03:03:03,645 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 03:03:03,646 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 03:03:03,646 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 03:03:03,649 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:03:03" (1/1) ... [2019-10-14 03:03:03,649 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 03:03:03,704 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 03:03:03,705 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 03:03:03,725 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 03:03:03,738 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 03:03:03,740 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 03:03:04,093 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 117 for LOIs [2019-10-14 03:03:04,156 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 104 for LOIs [2019-10-14 03:03:04,238 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-14 03:03:04,285 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-14 03:03:04,771 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-14 03:03:04,807 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-14 03:03:05,408 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-14 03:03:05,435 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-10-14 03:03:06,514 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 60 for LOIs [2019-10-14 03:03:07,876 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 43 for LOIs [2019-10-14 03:03:07,878 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 31 for LOIs [2019-10-14 03:03:07,885 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 03:03:07,885 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 03:03:07,887 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2162#(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) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= 1 ~m_i~0) (not (= (+ ~local~0 3) ~token~0)) (= ~t3_i~0 1) (<= 1 ~t3_i~0) (not (= ~m_pc~0 0)) (= ~t2_i~0 1) (<= ~m_pc~0 1) (<= 1 ~m_st~0) (<= ~t2_i~0 1) (<= 1 ~t1_i~0)) [2019-10-14 03:03:07,902 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 03:03:07,902 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 03:03:07,906 INFO L168 Benchmark]: Toolchain (without parser) took 5899.85 ms. Allocated memory was 141.0 MB in the beginning and 359.1 MB in the end (delta: 218.1 MB). Free memory was 98.6 MB in the beginning and 85.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 230.9 MB. Max. memory is 7.1 GB. [2019-10-14 03:03:07,908 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 117.3 MB in the beginning and 117.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 03:03:07,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.80 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 98.4 MB in the beginning and 174.9 MB in the end (delta: -76.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-10-14 03:03:07,911 INFO L168 Benchmark]: Boogie Preprocessor took 56.14 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 172.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-10-14 03:03:07,911 INFO L168 Benchmark]: RCFGBuilder took 1107.76 ms. Allocated memory is still 199.2 MB. Free memory was 172.6 MB in the beginning and 81.4 MB in the end (delta: 91.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2019-10-14 03:03:07,917 INFO L168 Benchmark]: Sifa took 4257.10 ms. Allocated memory was 199.2 MB in the beginning and 359.1 MB in the end (delta: 159.9 MB). Free memory was 81.4 MB in the beginning and 85.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 155.5 MB. Max. memory is 7.1 GB. [2019-10-14 03:03:07,928 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 117.3 MB in the beginning and 117.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 474.80 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 98.4 MB in the beginning and 174.9 MB in the end (delta: -76.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.14 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 172.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1107.76 ms. Allocated memory is still 199.2 MB. Free memory was 172.6 MB in the beginning and 81.4 MB in the end (delta: 91.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. * Sifa took 4257.10 ms. Allocated memory was 199.2 MB in the beginning and 359.1 MB in the end (delta: 159.9 MB). Free memory was 81.4 MB in the beginning and 85.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 155.5 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]: 4184, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 331, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 237, TOOLS_POST_TIME[ms]: 113, TOOLS_POST_CALL_APPLICATIONS: 72, TOOLS_POST_CALL_TIME[ms]: 259, TOOLS_POST_RETURN_APPLICATIONS: 67, TOOLS_POST_RETURN_TIME[ms]: 101, TOOLS_QUANTIFIERELIM_APPLICATIONS: 376, TOOLS_QUANTIFIERELIM_TIME[ms]: 346, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 336, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 163, DOMAIN_JOIN_TIME[ms]: 3175, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 144, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 18, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 101, DOMAIN_ISBOTTOM_TIME[ms]: 158, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2734, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2734, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 67, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1939, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1938, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 61, DAG_COMPRESSION_PROCESSED_NODES: 502, DAG_COMPRESSION_RETAINED_NODES: 238 - 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 2162#(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) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= 1 ~m_i~0) (not (= (+ ~local~0 3) ~token~0)) (= ~t3_i~0 1) (<= 1 ~t3_i~0) (not (= ~m_pc~0 0)) (= ~t2_i~0 1) (<= ~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...