java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:31:32,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:31:32,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:31:32,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:31:32,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:31:32,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:31:32,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:31:32,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:31:32,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:31:32,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:31:32,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:31:32,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:31:32,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:31:32,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:31:32,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:31:32,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:31:32,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:31:32,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:31:32,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:31:32,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:31:32,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:31:32,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:31:32,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:31:32,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:31:32,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:31:32,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:31:32,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:31:32,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:31:32,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:31:32,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:31:32,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:31:32,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:31:32,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:31:32,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:31:32,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:31:32,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:31:32,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:31:32,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:31:32,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:31:32,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:31:32,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:31:32,502 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 [2019-09-25 16:31:32,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:31:32,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:31:32,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:31:32,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:31:32,523 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:31:32,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:31:32,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:31:32,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:31:32,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:31:32,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:31:32,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:31:32,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:31:32,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:31:32,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:31:32,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:31:32,525 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:31:32,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:31:32,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:31:32,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:31:32,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:31:32,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:31:32,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:31:32,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:31:32,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:31:32,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:31:32,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:31:32,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:31:32,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:31:32,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:31:32,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:31:32,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:31:32,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:31:32,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:31:32,583 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:31:32,584 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-25 16:31:32,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5280e8976/a082fed08c3c4c538acf2ad1213c0a4c/FLAG08c26b61d [2019-09-25 16:31:33,135 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:31:33,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-25 16:31:33,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5280e8976/a082fed08c3c4c538acf2ad1213c0a4c/FLAG08c26b61d [2019-09-25 16:31:33,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5280e8976/a082fed08c3c4c538acf2ad1213c0a4c [2019-09-25 16:31:33,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:31:33,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:31:33,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:31:33,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:31:33,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:31:33,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:31:33" (1/1) ... [2019-09-25 16:31:33,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e611eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:33, skipping insertion in model container [2019-09-25 16:31:33,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:31:33" (1/1) ... [2019-09-25 16:31:33,515 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:31:33,563 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:31:33,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:31:33,794 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:31:33,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:31:33,970 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:31:33,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:33 WrapperNode [2019-09-25 16:31:33,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:31:33,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:31:33,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:31:33,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:31:33,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:33" (1/1) ... [2019-09-25 16:31:33,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:33" (1/1) ... [2019-09-25 16:31:33,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:33" (1/1) ... [2019-09-25 16:31:33,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:33" (1/1) ... [2019-09-25 16:31:34,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:33" (1/1) ... [2019-09-25 16:31:34,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:33" (1/1) ... [2019-09-25 16:31:34,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:33" (1/1) ... [2019-09-25 16:31:34,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:31:34,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:31:34,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:31:34,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:31:34,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:33" (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 [2019-09-25 16:31:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:31:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:31:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-25 16:31:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-25 16:31:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-25 16:31:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-25 16:31:34,099 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-25 16:31:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-25 16:31:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-25 16:31:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-25 16:31:34,100 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-25 16:31:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-25 16:31:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-25 16:31:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-25 16:31:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-25 16:31:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-25 16:31:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-25 16:31:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-25 16:31:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-25 16:31:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-25 16:31:34,102 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-25 16:31:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-25 16:31:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:31:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:31:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 16:31:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-25 16:31:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-25 16:31:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-25 16:31:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-25 16:31:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-25 16:31:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-25 16:31:34,104 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-25 16:31:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-25 16:31:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-25 16:31:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-25 16:31:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-25 16:31:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-25 16:31:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-25 16:31:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-25 16:31:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-25 16:31:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-25 16:31:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-25 16:31:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-25 16:31:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-25 16:31:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-25 16:31:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:31:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:31:34,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:31:34,844 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:31:34,845 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-25 16:31:34,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:31:34 BoogieIcfgContainer [2019-09-25 16:31:34,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:31:34,847 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:31:34,847 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:31:34,848 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:31:34,849 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:31:34" (1/1) ... [2019-09-25 16:31:34,850 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 16:31:34,875 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:31:34,876 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:31:34,885 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:31:34,893 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:31:34,895 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:31:35,187 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 80 for LOIs [2019-09-25 16:31:35,219 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 70 for LOIs [2019-09-25 16:31:39,366 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 80 for LOIs [2019-09-25 16:31:40,998 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 40 for LOIs [2019-09-25 16:31:41,108 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 53 for LOIs [2019-09-25 16:31:41,125 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 40 for LOIs [2019-09-25 16:31:41,127 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 40 for LOIs [2019-09-25 16:31:41,141 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 46 for LOIs [2019-09-25 16:31:41,151 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:31:41,151 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:31:41,153 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3703#(and (or (and (= ~C_1_i~0 1) (= ~e~0 0) (= ~P_1_i~0 1) (= ~C_1_pr~0 0) (= ~P_1_st~0 1) (= ~max_loop~0 2)) (and (= ~C_1_i~0 1) (= ~e~0 0) (= ~P_1_i~0 1) (= ~C_1_pr~0 0) (= ~C_1_st~0 1) (= ~max_loop~0 2))) (<= 1 ~P_1_i~0) (<= ~e~0 0) (<= ~max_loop~0 2) (<= ~C_1_pr~0 0) (<= ~P_1_i~0 1) (<= 1 ~C_1_i~0) (<= 0 ~C_1_pr~0) (<= ~C_1_i~0 1) (<= 2 ~max_loop~0) (<= 0 ~e~0)) [2019-09-25 16:31:41,167 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:31:41,167 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:31:41,170 INFO L168 Benchmark]: Toolchain (without parser) took 7671.24 ms. Allocated memory was 131.1 MB in the beginning and 474.5 MB in the end (delta: 343.4 MB). Free memory was 84.5 MB in the beginning and 308.4 MB in the end (delta: -223.9 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:41,171 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 131.1 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:31:41,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.66 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 84.3 MB in the beginning and 173.1 MB in the end (delta: -88.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:41,173 INFO L168 Benchmark]: Boogie Preprocessor took 47.67 ms. Allocated memory is still 197.7 MB. Free memory was 173.1 MB in the beginning and 170.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:41,174 INFO L168 Benchmark]: RCFGBuilder took 827.20 ms. Allocated memory is still 197.7 MB. Free memory was 170.4 MB in the beginning and 123.2 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:41,175 INFO L168 Benchmark]: Sifa took 6320.18 ms. Allocated memory was 197.7 MB in the beginning and 474.5 MB in the end (delta: 276.8 MB). Free memory was 123.2 MB in the beginning and 308.4 MB in the end (delta: -185.1 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:41,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 131.1 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 472.66 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 84.3 MB in the beginning and 173.1 MB in the end (delta: -88.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.67 ms. Allocated memory is still 197.7 MB. Free memory was 173.1 MB in the beginning and 170.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 827.20 ms. Allocated memory is still 197.7 MB. Free memory was 170.4 MB in the beginning and 123.2 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. * Sifa took 6320.18 ms. Allocated memory was 197.7 MB in the beginning and 474.5 MB in the end (delta: 276.8 MB). Free memory was 123.2 MB in the beginning and 308.4 MB in the end (delta: -185.1 MB). Peak memory consumption was 91.7 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]: 6278, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1503, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 1140, TOOLS_POST_TIME[ms]: 389, TOOLS_POST_CALL_APPLICATIONS: 259, TOOLS_POST_CALL_TIME[ms]: 480, TOOLS_POST_RETURN_APPLICATIONS: 249, TOOLS_POST_RETURN_TIME[ms]: 252, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1647, TOOLS_QUANTIFIERELIM_TIME[ms]: 805, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 34, FLUID_QUERIES: 1620, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 363, DOMAIN_JOIN_TIME[ms]: 4140, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 27, DOMAIN_WIDEN_TIME[ms]: 234, DOMAIN_ISSUBSETEQ_APPLICATIONS: 117, DOMAIN_ISSUBSETEQ_TIME[ms]: 176, DOMAIN_ISBOTTOM_APPLICATIONS: 223, DOMAIN_ISBOTTOM_TIME[ms]: 314, LOOP_SUMMARIZER_APPLICATIONS: 90, LOOP_SUMMARIZER_CACHE_MISSES: 90, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4829, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4828, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 117, CALL_SUMMARIZER_APPLICATIONS: 249, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3708, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3707, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 69, DAG_COMPRESSION_PROCESSED_NODES: 798, DAG_COMPRESSION_RETAINED_NODES: 327 - UnprovableResult [Line: 9]: 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 3703#(and (or (and (= ~C_1_i~0 1) (= ~e~0 0) (= ~P_1_i~0 1) (= ~C_1_pr~0 0) (= ~P_1_st~0 1) (= ~max_loop~0 2)) (and (= ~C_1_i~0 1) (= ~e~0 0) (= ~P_1_i~0 1) (= ~C_1_pr~0 0) (= ~C_1_st~0 1) (= ~max_loop~0 2))) (<= 1 ~P_1_i~0) (<= ~e~0 0) (<= ~max_loop~0 2) (<= ~C_1_pr~0 0) (<= ~P_1_i~0 1) (<= 1 ~C_1_i~0) (<= 0 ~C_1_pr~0) (<= ~C_1_i~0 1) (<= 2 ~max_loop~0) (<= 0 ~e~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...