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 SingleStatement --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-efa34d5 [2019-09-18 15:05:57,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 15:05:57,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 15:05:57,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 15:05:57,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 15:05:57,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 15:05:57,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 15:05:57,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 15:05:57,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 15:05:57,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 15:05:57,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 15:05:57,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 15:05:57,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 15:05:57,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 15:05:57,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 15:05:57,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 15:05:57,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 15:05:57,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 15:05:57,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 15:05:57,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 15:05:57,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 15:05:57,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 15:05:57,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 15:05:57,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 15:05:57,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 15:05:57,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 15:05:57,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 15:05:57,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 15:05:57,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 15:05:57,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 15:05:57,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 15:05:57,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 15:05:57,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 15:05:57,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 15:05:57,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 15:05:57,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 15:05:57,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 15:05:57,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 15:05:57,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 15:05:57,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 15:05:57,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 15:05:57,257 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 [2019-09-18 15:05:57,271 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 15:05:57,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 15:05:57,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 15:05:57,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 15:05:57,274 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 15:05:57,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 15:05:57,275 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 15:05:57,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 15:05:57,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 15:05:57,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 15:05:57,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 15:05:57,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 15:05:57,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 15:05:57,276 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 15:05:57,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 15:05:57,277 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 15:05:57,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 15:05:57,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 15:05:57,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 15:05:57,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 15:05:57,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 15:05:57,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 15:05:57,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 15:05:57,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 15:05:57,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 15:05:57,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 15:05:57,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 15:05:57,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 15:05:57,279 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 -> SingleStatement 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 [2019-09-18 15:05:57,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 15:05:57,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 15:05:57,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 15:05:57,333 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 15:05:57,333 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 15:05:57,334 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-18 15:05:57,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e58fb3b9c/e7cc255e20bf4d988de7fc3defe23b5e/FLAG63f601b88 [2019-09-18 15:05:57,814 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 15:05:57,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-18 15:05:57,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e58fb3b9c/e7cc255e20bf4d988de7fc3defe23b5e/FLAG63f601b88 [2019-09-18 15:05:58,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e58fb3b9c/e7cc255e20bf4d988de7fc3defe23b5e [2019-09-18 15:05:58,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 15:05:58,159 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 15:05:58,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 15:05:58,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 15:05:58,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 15:05:58,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:05:58" (1/1) ... [2019-09-18 15:05:58,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d534124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:58, skipping insertion in model container [2019-09-18 15:05:58,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:05:58" (1/1) ... [2019-09-18 15:05:58,178 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 15:05:58,220 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 15:05:58,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 15:05:58,414 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 15:05:58,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 15:05:58,559 INFO L192 MainTranslator]: Completed translation [2019-09-18 15:05:58,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:58 WrapperNode [2019-09-18 15:05:58,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 15:05:58,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 15:05:58,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 15:05:58,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 15:05:58,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:58" (1/1) ... [2019-09-18 15:05:58,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:58" (1/1) ... [2019-09-18 15:05:58,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:58" (1/1) ... [2019-09-18 15:05:58,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:58" (1/1) ... [2019-09-18 15:05:58,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:58" (1/1) ... [2019-09-18 15:05:58,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:58" (1/1) ... [2019-09-18 15:05:58,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:58" (1/1) ... [2019-09-18 15:05:58,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 15:05:58,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 15:05:58,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 15:05:58,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 15:05:58,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:05:58" (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 [2019-09-18 15:05:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 15:05:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 15:05:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-18 15:05:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-18 15:05:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-18 15:05:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-18 15:05:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-18 15:05:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-18 15:05:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-18 15:05:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-18 15:05:58,665 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-18 15:05:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-18 15:05:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-18 15:05:58,666 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-18 15:05:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-18 15:05:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-18 15:05:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-18 15:05:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-18 15:05:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-18 15:05:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-18 15:05:58,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 15:05:58,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 15:05:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-18 15:05:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-18 15:05:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-18 15:05:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-18 15:05:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 15:05:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-18 15:05:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-18 15:05:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-18 15:05:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-18 15:05:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-18 15:05:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-18 15:05:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-18 15:05:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-18 15:05:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-18 15:05:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-18 15:05:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-18 15:05:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-18 15:05:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-18 15:05:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-18 15:05:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 15:05:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 15:05:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 15:05:59,245 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 15:05:59,246 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-18 15:05:59,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:05:59 BoogieIcfgContainer [2019-09-18 15:05:59,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 15:05:59,249 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 15:05:59,250 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 15:05:59,250 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 15:05:59,251 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:05:59" (1/1) ... [2019-09-18 15:05:59,252 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 [2019-09-18 15:05:59,297 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 15:05:59,297 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 15:05:59,315 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 15:05:59,323 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 15:05:59,325 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 15:05:59,499 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-18 15:05:59,533 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-18 15:06:00,598 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-18 15:06:02,308 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-18 15:06:02,436 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-18 15:06:02,998 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-18 15:06:03,389 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-18 15:06:03,646 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 15:06:03,807 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 15:06:03,931 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-18 15:06:04,569 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-18 15:06:04,993 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-18 15:06:05,276 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-18 15:06:05,378 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 49 for LOIs [2019-09-18 15:06:05,612 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 64 [2019-09-18 15:06:05,961 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2019-09-18 15:06:06,285 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2019-09-18 15:06:06,428 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 15:06:06,730 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2019-09-18 15:06:06,882 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 15:06:07,235 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-18 15:06:07,368 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 15:06:07,520 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 15:06:07,663 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 15:06:07,875 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 70 [2019-09-18 15:06:08,171 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-18 15:06:08,464 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-18 15:06:08,684 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-18 15:06:08,990 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-18 15:06:09,303 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-18 15:06:09,515 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 15:06:09,652 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 15:06:09,847 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2019-09-18 15:06:10,374 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-18 15:06:10,376 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 14 for LOIs [2019-09-18 15:06:10,393 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 15:06:10,394 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 15:06:10,397 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 862#(and (= ~m_pc~0 1) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))) [2019-09-18 15:06:10,419 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 15:06:10,419 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 15:06:10,425 INFO L168 Benchmark]: Toolchain (without parser) took 12266.03 ms. Allocated memory was 132.1 MB in the beginning and 390.1 MB in the end (delta: 257.9 MB). Free memory was 87.7 MB in the beginning and 361.5 MB in the end (delta: -273.8 MB). Peak memory consumption was 262.2 MB. Max. memory is 7.1 GB. [2019-09-18 15:06:10,426 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 15:06:10,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.25 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.4 MB in the beginning and 174.8 MB in the end (delta: -87.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-18 15:06:10,428 INFO L168 Benchmark]: Boogie Preprocessor took 44.59 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 171.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-18 15:06:10,429 INFO L168 Benchmark]: RCFGBuilder took 643.60 ms. Allocated memory is still 198.7 MB. Free memory was 171.8 MB in the beginning and 136.2 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2019-09-18 15:06:10,430 INFO L168 Benchmark]: Sifa took 11173.91 ms. Allocated memory was 198.7 MB in the beginning and 390.1 MB in the end (delta: 191.4 MB). Free memory was 136.2 MB in the beginning and 361.5 MB in the end (delta: -225.3 MB). Peak memory consumption was 244.2 MB. Max. memory is 7.1 GB. [2019-09-18 15:06:10,434 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 397.25 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.4 MB in the beginning and 174.8 MB in the end (delta: -87.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.59 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 171.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 643.60 ms. Allocated memory is still 198.7 MB. Free memory was 171.8 MB in the beginning and 136.2 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * Sifa took 11173.91 ms. Allocated memory was 198.7 MB in the beginning and 390.1 MB in the end (delta: 191.4 MB). Free memory was 136.2 MB in the beginning and 361.5 MB in the end (delta: -225.3 MB). Peak memory consumption was 244.2 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]: 11100, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 511, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 426, TOOLS_POST_TIME[ms]: 114, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 157, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME[ms]: 87, TOOLS_QUANTIFIERELIM_APPLICATIONS: 542, TOOLS_QUANTIFIERELIM_TIME[ms]: 234, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 518, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 139, DOMAIN_JOIN_TIME[ms]: 9534, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 814, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 107, DOMAIN_ISBOTTOM_TIME[ms]: 192, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9402, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9402, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4377, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4376, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 15, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 48, DAG_COMPRESSION_PROCESSED_NODES: 746, DAG_COMPRESSION_RETAINED_NODES: 370 - 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 862#(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...