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_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:25:42,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:25:42,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:25:42,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:25:42,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:25:42,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:25:42,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:25:42,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:25:42,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:25:42,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:25:42,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:25:42,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:25:42,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:25:42,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:25:42,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:25:42,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:25:42,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:25:42,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:25:42,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:25:42,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:25:42,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:25:42,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:25:42,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:25:42,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:25:42,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:25:42,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:25:42,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:25:42,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:25:42,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:25:42,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:25:42,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:25:42,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:25:42,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:25:42,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:25:42,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:25:42,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:25:42,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:25:42,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:25:42,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:25:42,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:25:42,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:25:42,212 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 [2019-09-20 14:25:42,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:25:42,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:25:42,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:25:42,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:25:42,229 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:25:42,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:25:42,229 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:25:42,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:25:42,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:25:42,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:25:42,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:25:42,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:25:42,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:25:42,230 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:25:42,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:25:42,231 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:25:42,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:25:42,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:25:42,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:25:42,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:25:42,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:25:42,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:25:42,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:25:42,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:25:42,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:25:42,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:25:42,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:25:42,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:25:42,233 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_DDA [2019-09-20 14:25:42,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:25:42,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:25:42,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:25:42,281 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:25:42,281 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:25:42,282 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 14:25:42,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59b74d80/537210f2987d4ca0afd5b42e250a5763/FLAGf11759ff4 [2019-09-20 14:25:42,783 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:25:42,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-20 14:25:42,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59b74d80/537210f2987d4ca0afd5b42e250a5763/FLAGf11759ff4 [2019-09-20 14:25:43,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59b74d80/537210f2987d4ca0afd5b42e250a5763 [2019-09-20 14:25:43,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:25:43,117 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:25:43,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:43,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:25:43,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:25:43,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:43" (1/1) ... [2019-09-20 14:25:43,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb381e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:43, skipping insertion in model container [2019-09-20 14:25:43,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:43" (1/1) ... [2019-09-20 14:25:43,134 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:25:43,177 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:25:43,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:43,398 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:25:43,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:43,544 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:25:43,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:43 WrapperNode [2019-09-20 14:25:43,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:43,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:25:43,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:25:43,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:25:43,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:43" (1/1) ... [2019-09-20 14:25:43,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:43" (1/1) ... [2019-09-20 14:25:43,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:43" (1/1) ... [2019-09-20 14:25:43,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:43" (1/1) ... [2019-09-20 14:25:43,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:43" (1/1) ... [2019-09-20 14:25:43,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:43" (1/1) ... [2019-09-20 14:25:43,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:43" (1/1) ... [2019-09-20 14:25:43,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:25:43,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:25:43,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:25:43,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:25:43,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:43" (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 [2019-09-20 14:25:43,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:25:43,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:25:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 14:25:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 14:25:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 14:25:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 14:25:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 14:25:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 14:25:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 14:25:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 14:25:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 14:25:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 14:25:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 14:25:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 14:25:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 14:25:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 14:25:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 14:25:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 14:25:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 14:25:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 14:25:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:25:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:25:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 14:25:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 14:25:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 14:25:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 14:25:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:25:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 14:25:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 14:25:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 14:25:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 14:25:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 14:25:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 14:25:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 14:25:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 14:25:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 14:25:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 14:25:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 14:25:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 14:25:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 14:25:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 14:25:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:25:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:25:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:25:44,394 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:25:44,395 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 14:25:44,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:44 BoogieIcfgContainer [2019-09-20 14:25:44,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:25:44,397 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:25:44,397 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:25:44,397 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:25:44,399 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:44" (1/1) ... [2019-09-20 14:25:44,400 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 14:25:44,423 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:25:44,424 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:25:44,433 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:25:44,442 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:25:44,443 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:25:44,584 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 14:25:44,629 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-20 14:25:45,187 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 14:25:46,148 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2019-09-20 14:25:46,347 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 14:25:46,686 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 14:25:47,614 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 14:25:47,923 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 14:25:48,462 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 14:25:48,770 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 14:25:49,440 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-20 14:25:49,557 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 14:25:49,941 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2019-09-20 14:25:50,064 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 14:25:50,225 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 14:25:50,387 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 14:25:50,930 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 14:25:51,229 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 14:25:52,033 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 14:25:52,351 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 14:25:52,860 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 14:25:53,162 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 14:25:53,857 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-20 14:25:54,093 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 51 for LOIs [2019-09-20 14:25:54,566 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2019-09-20 14:25:54,686 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 14:25:54,901 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-09-20 14:25:55,362 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-09-20 14:25:55,463 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 14:25:55,740 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-20 14:25:55,843 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 14:25:56,062 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2019-09-20 14:25:56,165 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 14:25:56,276 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 14:25:56,743 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-09-20 14:25:56,911 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 14:25:57,374 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 14:25:57,576 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 14:25:58,184 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-09-20 14:25:58,800 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 14:25:59,113 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-20 14:25:59,385 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-20 14:25:59,387 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 14 for LOIs [2019-09-20 14:25:59,407 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:25:59,407 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:25:59,410 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 773#(and (= ~m_pc~0 1) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))) [2019-09-20 14:25:59,426 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:25:59,426 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:25:59,428 INFO L168 Benchmark]: Toolchain (without parser) took 16310.69 ms. Allocated memory was 131.6 MB in the beginning and 417.3 MB in the end (delta: 285.7 MB). Free memory was 87.2 MB in the beginning and 76.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 296.3 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:59,429 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:25:59,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.51 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 86.9 MB in the beginning and 174.3 MB in the end (delta: -87.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:59,431 INFO L168 Benchmark]: Boogie Preprocessor took 48.35 ms. Allocated memory is still 199.8 MB. Free memory was 174.3 MB in the beginning and 172.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:59,432 INFO L168 Benchmark]: RCFGBuilder took 802.80 ms. Allocated memory is still 199.8 MB. Free memory was 172.4 MB in the beginning and 118.2 MB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:59,433 INFO L168 Benchmark]: Sifa took 15029.52 ms. Allocated memory was 199.8 MB in the beginning and 417.3 MB in the end (delta: 217.6 MB). Free memory was 118.2 MB in the beginning and 76.6 MB in the end (delta: 41.6 MB). Peak memory consumption was 259.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:25:59,437 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 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 426.51 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 86.9 MB in the beginning and 174.3 MB in the end (delta: -87.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.35 ms. Allocated memory is still 199.8 MB. Free memory was 174.3 MB in the beginning and 172.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 802.80 ms. Allocated memory is still 199.8 MB. Free memory was 172.4 MB in the beginning and 118.2 MB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. * Sifa took 15029.52 ms. Allocated memory was 199.8 MB in the beginning and 417.3 MB in the end (delta: 217.6 MB). Free memory was 118.2 MB in the beginning and 76.6 MB in the end (delta: 41.6 MB). Peak memory consumption was 259.2 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]: 14987, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 426, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 286, TOOLS_POST_TIME[ms]: 126, TOOLS_POST_CALL_APPLICATIONS: 103, TOOLS_POST_CALL_TIME[ms]: 212, TOOLS_POST_RETURN_APPLICATIONS: 98, TOOLS_POST_RETURN_TIME[ms]: 135, TOOLS_QUANTIFIERELIM_APPLICATIONS: 487, TOOLS_QUANTIFIERELIM_TIME[ms]: 339, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 445, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 122, DOMAIN_JOIN_TIME[ms]: 13157, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 11, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 978, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 75, DOMAIN_ISBOTTOM_TIME[ms]: 177, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 14082, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14081, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 19, CALL_SUMMARIZER_APPLICATIONS: 98, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 7725, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7725, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 216 - 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 773#(and (= ~m_pc~0 1) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...