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/token_ring.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:12:16,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:12:16,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:12:16,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:12:16,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:12:16,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:12:16,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:12:16,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:12:16,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:12:16,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:12:16,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:12:16,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:12:16,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:12:16,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:12:16,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:12:16,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:12:16,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:12:16,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:12:16,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:12:16,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:12:16,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:12:16,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:12:16,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:12:16,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:12:16,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:12:16,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:12:16,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:12:16,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:12:16,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:12:16,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:12:16,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:12:16,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:12:16,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:12:16,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:12:16,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:12:16,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:12:16,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:12:16,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:12:16,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:12:16,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:12:16,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:12:16,449 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 [2019-09-17 06:12:16,463 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:12:16,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:12:16,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:12:16,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:12:16,465 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:12:16,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:12:16,466 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:12:16,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:12:16,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:12:16,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:12:16,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:12:16,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:12:16,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:12:16,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:12:16,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:12:16,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:12:16,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:12:16,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:12:16,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:12:16,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:12:16,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:12:16,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:12:16,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:12:16,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:12:16,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:12:16,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:12:16,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:12:16,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:12:16,470 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 [2019-09-17 06:12:16,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:12:16,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:12:16,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:12:16,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:12:16,521 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:12:16,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-17 06:12:16,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94253bab5/8699de9c617a4fd581db64373041ad84/FLAGda21de3eb [2019-09-17 06:12:17,072 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:12:17,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-17 06:12:17,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94253bab5/8699de9c617a4fd581db64373041ad84/FLAGda21de3eb [2019-09-17 06:12:17,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94253bab5/8699de9c617a4fd581db64373041ad84 [2019-09-17 06:12:17,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:12:17,413 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:12:17,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:12:17,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:12:17,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:12:17,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:12:17" (1/1) ... [2019-09-17 06:12:17,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cc76a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:17, skipping insertion in model container [2019-09-17 06:12:17,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:12:17" (1/1) ... [2019-09-17 06:12:17,431 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:12:17,482 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:12:17,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:12:17,755 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:12:17,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:12:17,926 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:12:17,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:17 WrapperNode [2019-09-17 06:12:17,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:12:17,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:12:17,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:12:17,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:12:17,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:17" (1/1) ... [2019-09-17 06:12:17,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:17" (1/1) ... [2019-09-17 06:12:17,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:17" (1/1) ... [2019-09-17 06:12:17,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:17" (1/1) ... [2019-09-17 06:12:17,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:17" (1/1) ... [2019-09-17 06:12:17,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:17" (1/1) ... [2019-09-17 06:12:17,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:17" (1/1) ... [2019-09-17 06:12:17,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:12:17,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:12:17,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:12:17,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:12:17,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:17" (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 [2019-09-17 06:12:18,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:12:18,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:12:18,033 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-17 06:12:18,033 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-17 06:12:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-17 06:12:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-17 06:12:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-17 06:12:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-17 06:12:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-17 06:12:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-17 06:12:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-17 06:12:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-17 06:12:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-17 06:12:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-17 06:12:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-17 06:12:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-17 06:12:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-17 06:12:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-17 06:12:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-17 06:12:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-17 06:12:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:12:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:12:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-17 06:12:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-17 06:12:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-17 06:12:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-17 06:12:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:12:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-17 06:12:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-17 06:12:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-17 06:12:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-17 06:12:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-17 06:12:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-17 06:12:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-17 06:12:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-17 06:12:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-17 06:12:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-17 06:12:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-17 06:12:18,039 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-17 06:12:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-17 06:12:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-17 06:12:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:12:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:12:18,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:12:18,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:12:18,882 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-17 06:12:18,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:12:18 BoogieIcfgContainer [2019-09-17 06:12:18,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:12:18,884 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:12:18,884 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:12:18,884 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:12:18,886 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:12:18" (1/1) ... [2019-09-17 06:12:18,886 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 [2019-09-17 06:12:18,909 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:12:18,910 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:12:18,918 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:12:18,928 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:12:18,929 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:12:19,058 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-17 06:12:19,088 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-17 06:12:19,195 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-17 06:12:19,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-17 06:12:20,024 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 50 for LOIs [2019-09-17 06:12:20,117 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-17 06:12:20,123 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 9 for LOIs [2019-09-17 06:12:20,125 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:12:20,125 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:12:20,127 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 931#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1)) [2019-09-17 06:12:20,139 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:12:20,139 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:12:20,142 INFO L168 Benchmark]: Toolchain (without parser) took 2728.08 ms. Allocated memory was 131.1 MB in the beginning and 219.2 MB in the end (delta: 88.1 MB). Free memory was 85.5 MB in the beginning and 103.9 MB in the end (delta: -18.4 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:20,143 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:12:20,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.34 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.3 MB in the beginning and 172.7 MB in the end (delta: -87.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:20,145 INFO L168 Benchmark]: Boogie Preprocessor took 48.52 ms. Allocated memory is still 198.7 MB. Free memory was 172.7 MB in the beginning and 170.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:20,146 INFO L168 Benchmark]: RCFGBuilder took 902.05 ms. Allocated memory is still 198.7 MB. Free memory was 170.8 MB in the beginning and 116.0 MB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:20,147 INFO L168 Benchmark]: Sifa took 1255.77 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 116.0 MB in the beginning and 103.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:20,151 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 512.34 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.3 MB in the beginning and 172.7 MB in the end (delta: -87.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.52 ms. Allocated memory is still 198.7 MB. Free memory was 172.7 MB in the beginning and 170.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 902.05 ms. Allocated memory is still 198.7 MB. Free memory was 170.8 MB in the beginning and 116.0 MB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 7.1 GB. * Sifa took 1255.77 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 116.0 MB in the beginning and 103.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 32.5 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]: 1218, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 254, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 171, TOOLS_POST_TIME[ms]: 75, TOOLS_POST_CALL_APPLICATIONS: 70, TOOLS_POST_CALL_TIME[ms]: 150, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 107, TOOLS_QUANTIFIERELIM_APPLICATIONS: 305, TOOLS_QUANTIFIERELIM_TIME[ms]: 235, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 260, FLUID_YES_ANSWERS: 7, DOMAIN_JOIN_APPLICATIONS: 76, DOMAIN_JOIN_TIME[ms]: 527, DOMAIN_ALPHA_APPLICATIONS: 7, DOMAIN_ALPHA_TIME[ms]: 111, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 9, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 56, DOMAIN_ISBOTTOM_TIME[ms]: 80, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 568, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 567, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 663, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 662, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 389, DAG_COMPRESSION_RETAINED_NODES: 196 - 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 931#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...