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 SequenceOfStatements --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-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 05:41:02,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 05:41:02,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 05:41:02,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 05:41:02,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 05:41:02,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 05:41:02,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 05:41:02,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 05:41:02,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 05:41:02,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 05:41:02,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 05:41:02,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 05:41:02,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 05:41:02,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 05:41:02,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 05:41:02,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 05:41:02,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 05:41:02,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 05:41:02,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 05:41:02,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 05:41:02,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 05:41:02,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 05:41:02,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 05:41:02,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 05:41:02,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 05:41:02,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 05:41:02,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 05:41:02,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 05:41:02,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 05:41:02,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 05:41:02,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 05:41:02,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 05:41:02,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 05:41:02,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 05:41:02,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 05:41:02,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 05:41:02,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 05:41:02,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 05:41:02,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 05:41:02,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 05:41:02,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 05:41:02,405 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 05:41:02,431 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 05:41:02,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 05:41:02,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 05:41:02,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 05:41:02,434 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 05:41:02,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 05:41:02,435 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 05:41:02,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 05:41:02,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 05:41:02,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 05:41:02,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 05:41:02,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 05:41:02,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 05:41:02,437 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 05:41:02,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 05:41:02,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 05:41:02,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 05:41:02,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 05:41:02,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 05:41:02,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 05:41:02,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 05:41:02,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 05:41:02,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 05:41:02,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 05:41:02,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 05:41:02,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 05:41:02,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 05:41:02,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 05:41:02,440 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 -> SequenceOfStatements 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 05:41:02,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 05:41:02,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 05:41:02,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 05:41:02,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 05:41:02,521 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 05:41:02,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-18 05:41:02,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f41338d16/a77fa8a4fb8d4d7e834f212deb1d5912/FLAGe9a6cd5e8 [2019-09-18 05:41:03,023 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 05:41:03,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-18 05:41:03,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f41338d16/a77fa8a4fb8d4d7e834f212deb1d5912/FLAGe9a6cd5e8 [2019-09-18 05:41:03,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f41338d16/a77fa8a4fb8d4d7e834f212deb1d5912 [2019-09-18 05:41:03,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 05:41:03,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 05:41:03,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 05:41:03,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 05:41:03,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 05:41:03,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:41:03" (1/1) ... [2019-09-18 05:41:03,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b20aa1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:03, skipping insertion in model container [2019-09-18 05:41:03,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:41:03" (1/1) ... [2019-09-18 05:41:03,441 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 05:41:03,483 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 05:41:03,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:41:03,732 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 05:41:03,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:41:03,894 INFO L192 MainTranslator]: Completed translation [2019-09-18 05:41:03,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:03 WrapperNode [2019-09-18 05:41:03,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 05:41:03,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 05:41:03,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 05:41:03,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 05:41:03,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:03" (1/1) ... [2019-09-18 05:41:03,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:03" (1/1) ... [2019-09-18 05:41:03,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:03" (1/1) ... [2019-09-18 05:41:03,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:03" (1/1) ... [2019-09-18 05:41:03,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:03" (1/1) ... [2019-09-18 05:41:03,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:03" (1/1) ... [2019-09-18 05:41:03,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:03" (1/1) ... [2019-09-18 05:41:03,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 05:41:03,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 05:41:03,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 05:41:03,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 05:41:03,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:41:03" (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 05:41:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 05:41:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 05:41:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-18 05:41:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-18 05:41:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-18 05:41:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-18 05:41:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-18 05:41:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-18 05:41:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-18 05:41:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-18 05:41:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-18 05:41:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-18 05:41:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-18 05:41:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-18 05:41:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-18 05:41:03,992 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-18 05:41:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-18 05:41:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-18 05:41:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-18 05:41:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-18 05:41:03,993 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 05:41:03,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 05:41:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-18 05:41:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-18 05:41:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-18 05:41:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-18 05:41:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 05:41:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-18 05:41:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-18 05:41:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-18 05:41:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-18 05:41:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-18 05:41:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-18 05:41:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-18 05:41:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-18 05:41:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-18 05:41:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-18 05:41:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-18 05:41:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-18 05:41:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-18 05:41:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-18 05:41:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 05:41:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 05:41:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 05:41:04,547 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 05:41:04,548 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-18 05:41:04,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:41:04 BoogieIcfgContainer [2019-09-18 05:41:04,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 05:41:04,552 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 05:41:04,552 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 05:41:04,552 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 05:41:04,553 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:41:04" (1/1) ... [2019-09-18 05:41:04,554 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 05:41:04,584 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 05:41:04,584 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 05:41:04,600 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 05:41:04,610 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 05:41:04,611 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 05:41:04,760 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-18 05:41:04,811 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-18 05:41:05,637 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-09-18 05:41:07,703 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-18 05:41:08,347 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-18 05:41:08,461 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-18 05:41:09,027 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-09-18 05:41:09,468 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-18 05:41:09,755 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-18 05:41:09,864 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-18 05:41:10,208 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-18 05:41:10,371 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 05:41:10,375 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 48 for LOIs [2019-09-18 05:41:10,598 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-18 05:41:10,755 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 05:41:11,012 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-18 05:41:11,627 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 21 for LOIs [2019-09-18 05:41:11,775 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-09-18 05:41:11,926 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-09-18 05:41:12,010 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 6 for LOIs [2019-09-18 05:41:12,016 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 05:41:12,017 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 05:41:12,019 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 618#(and (= ~m_pc~0 1) (= ~m_st~0 1)) [2019-09-18 05:41:12,032 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 05:41:12,033 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 05:41:12,034 INFO L168 Benchmark]: Toolchain (without parser) took 8607.34 ms. Allocated memory was 134.2 MB in the beginning and 337.1 MB in the end (delta: 202.9 MB). Free memory was 89.9 MB in the beginning and 296.6 MB in the end (delta: -206.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 05:41:12,036 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 05:41:12,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.12 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.7 MB in the beginning and 174.9 MB in the end (delta: -85.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-18 05:41:12,037 INFO L168 Benchmark]: Boogie Preprocessor took 41.68 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 173.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-18 05:41:12,038 INFO L168 Benchmark]: RCFGBuilder took 613.60 ms. Allocated memory is still 200.3 MB. Free memory was 173.1 MB in the beginning and 141.3 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-09-18 05:41:12,039 INFO L168 Benchmark]: Sifa took 7481.07 ms. Allocated memory was 200.3 MB in the beginning and 337.1 MB in the end (delta: 136.8 MB). Free memory was 141.3 MB in the beginning and 296.6 MB in the end (delta: -155.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 05:41:12,043 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 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 467.12 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.7 MB in the beginning and 174.9 MB in the end (delta: -85.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.68 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 173.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 613.60 ms. Allocated memory is still 200.3 MB. Free memory was 173.1 MB in the beginning and 141.3 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Sifa took 7481.07 ms. Allocated memory was 200.3 MB in the beginning and 337.1 MB in the end (delta: 136.8 MB). Free memory was 141.3 MB in the beginning and 296.6 MB in the end (delta: -155.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 7436, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 328, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 238, TOOLS_POST_TIME[ms]: 71, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 151, TOOLS_POST_RETURN_APPLICATIONS: 55, TOOLS_POST_RETURN_TIME[ms]: 85, TOOLS_QUANTIFIERELIM_APPLICATIONS: 353, TOOLS_QUANTIFIERELIM_TIME[ms]: 212, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 333, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 118, DOMAIN_JOIN_TIME[ms]: 6702, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 74, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 86, DOMAIN_ISBOTTOM_TIME[ms]: 178, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4495, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4494, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 55, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4182, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4181, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 516, DAG_COMPRESSION_RETAINED_NODES: 288 - 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 618#(and (= ~m_pc~0 1) (= ~m_st~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...