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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:29:07,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:29:07,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:29:07,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:29:07,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:29:07,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:29:07,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:29:07,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:29:07,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:29:07,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:29:07,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:29:07,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:29:07,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:29:07,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:29:07,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:29:07,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:29:07,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:29:07,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:29:07,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:29:07,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:29:07,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:29:07,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:29:07,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:29:07,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:29:07,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:29:07,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:29:07,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:29:07,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:29:07,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:29:07,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:29:07,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:29:07,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:29:07,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:29:07,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:29:07,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:29:07,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:29:07,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:29:07,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:29:07,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:29:07,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:29:07,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:29:07,164 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 [2019-09-19 17:29:07,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:29:07,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:29:07,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:29:07,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:29:07,183 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:29:07,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:29:07,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:29:07,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:29:07,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:29:07,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:29:07,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:29:07,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:29:07,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:29:07,185 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:29:07,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:29:07,185 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:29:07,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:29:07,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:29:07,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:29:07,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:29:07,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:29:07,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:29:07,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:29:07,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:29:07,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:29:07,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:29:07,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:29:07,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:29:07,188 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:29:07,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:29:07,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:29:07,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:29:07,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:29:07,259 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:29:07,260 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-19 17:29:07,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdab850fd/ff14e5da46a14b47b2b084dae10c09d2/FLAG114de245e [2019-09-19 17:29:07,754 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:29:07,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-19 17:29:07,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdab850fd/ff14e5da46a14b47b2b084dae10c09d2/FLAG114de245e [2019-09-19 17:29:08,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdab850fd/ff14e5da46a14b47b2b084dae10c09d2 [2019-09-19 17:29:08,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:29:08,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:29:08,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:29:08,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:29:08,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:29:08,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:29:08" (1/1) ... [2019-09-19 17:29:08,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6af849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:08, skipping insertion in model container [2019-09-19 17:29:08,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:29:08" (1/1) ... [2019-09-19 17:29:08,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:29:08,156 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:29:08,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:29:08,483 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:29:08,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:29:08,657 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:29:08,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:08 WrapperNode [2019-09-19 17:29:08,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:29:08,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:29:08,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:29:08,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:29:08,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:08" (1/1) ... [2019-09-19 17:29:08,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:08" (1/1) ... [2019-09-19 17:29:08,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:08" (1/1) ... [2019-09-19 17:29:08,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:08" (1/1) ... [2019-09-19 17:29:08,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:08" (1/1) ... [2019-09-19 17:29:08,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:08" (1/1) ... [2019-09-19 17:29:08,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:08" (1/1) ... [2019-09-19 17:29:08,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:29:08,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:29:08,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:29:08,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:29:08,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:29:08" (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 [2019-09-19 17:29:08,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:29:08,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:29:08,759 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-19 17:29:08,759 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-19 17:29:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-19 17:29:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-19 17:29:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-19 17:29:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-19 17:29:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-19 17:29:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-19 17:29:08,760 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-19 17:29:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-19 17:29:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-19 17:29:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-19 17:29:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-19 17:29:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-19 17:29:08,761 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-19 17:29:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-19 17:29:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-19 17:29:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-19 17:29:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-19 17:29:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-19 17:29:08,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:29:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:29:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:29:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-19 17:29:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-19 17:29:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-19 17:29:08,763 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-19 17:29:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-19 17:29:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-19 17:29:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-19 17:29:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-19 17:29:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-19 17:29:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-19 17:29:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-19 17:29:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-19 17:29:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-19 17:29:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-19 17:29:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-19 17:29:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-19 17:29:08,765 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-19 17:29:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-19 17:29:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-19 17:29:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-19 17:29:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:29:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:29:08,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:29:09,491 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:29:09,491 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-19 17:29:09,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:29:09 BoogieIcfgContainer [2019-09-19 17:29:09,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:29:09,493 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:29:09,493 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:29:09,494 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:29:09,495 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:29:09" (1/1) ... [2019-09-19 17:29:09,496 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:29:09,521 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:29:09,522 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:29:09,538 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:29:09,548 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:29:09,550 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:29:09,738 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 43 for LOIs [2019-09-19 17:29:09,767 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 34 for LOIs [2019-09-19 17:29:13,671 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 28 for LOIs [2019-09-19 17:29:14,398 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 16 for LOIs [2019-09-19 17:29:14,437 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 3 for LOIs [2019-09-19 17:29:14,439 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 16 for LOIs [2019-09-19 17:29:14,441 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 13 for LOIs [2019-09-19 17:29:14,444 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-19 17:29:14,446 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:29:14,447 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:29:14,449 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3876#true [2019-09-19 17:29:14,462 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:29:14,463 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:29:14,468 INFO L168 Benchmark]: Toolchain (without parser) took 6356.58 ms. Allocated memory was 133.2 MB in the beginning and 325.1 MB in the end (delta: 191.9 MB). Free memory was 88.6 MB in the beginning and 259.8 MB in the end (delta: -171.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-19 17:29:14,468 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:29:14,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.04 ms. Allocated memory was 133.2 MB in the beginning and 196.1 MB in the end (delta: 62.9 MB). Free memory was 88.6 MB in the beginning and 170.2 MB in the end (delta: -81.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-19 17:29:14,474 INFO L168 Benchmark]: Boogie Preprocessor took 42.02 ms. Allocated memory is still 196.1 MB. Free memory was 170.2 MB in the beginning and 168.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:29:14,475 INFO L168 Benchmark]: RCFGBuilder took 792.28 ms. Allocated memory is still 196.1 MB. Free memory was 168.4 MB in the beginning and 121.9 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:29:14,476 INFO L168 Benchmark]: Sifa took 4969.82 ms. Allocated memory was 196.1 MB in the beginning and 325.1 MB in the end (delta: 129.0 MB). Free memory was 121.9 MB in the beginning and 259.8 MB in the end (delta: -137.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:29:14,483 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 549.04 ms. Allocated memory was 133.2 MB in the beginning and 196.1 MB in the end (delta: 62.9 MB). Free memory was 88.6 MB in the beginning and 170.2 MB in the end (delta: -81.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.02 ms. Allocated memory is still 196.1 MB. Free memory was 170.2 MB in the beginning and 168.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 792.28 ms. Allocated memory is still 196.1 MB. Free memory was 168.4 MB in the beginning and 121.9 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. * Sifa took 4969.82 ms. Allocated memory was 196.1 MB in the beginning and 325.1 MB in the end (delta: 129.0 MB). Free memory was 121.9 MB in the beginning and 259.8 MB in the end (delta: -137.8 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]: 4928, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1277, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 950, TOOLS_POST_TIME[ms]: 177, TOOLS_POST_CALL_APPLICATIONS: 223, TOOLS_POST_CALL_TIME[ms]: 112, TOOLS_POST_RETURN_APPLICATIONS: 213, TOOLS_POST_RETURN_TIME[ms]: 133, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1386, TOOLS_QUANTIFIERELIM_TIME[ms]: 257, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 1367, FLUID_YES_ANSWERS: 1367, DOMAIN_JOIN_APPLICATIONS: 329, DOMAIN_JOIN_TIME[ms]: 2944, DOMAIN_ALPHA_APPLICATIONS: 1367, DOMAIN_ALPHA_TIME[ms]: 1156, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 90, DOMAIN_ISSUBSETEQ_TIME[ms]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 196, DOMAIN_ISBOTTOM_TIME[ms]: 139, LOOP_SUMMARIZER_APPLICATIONS: 90, LOOP_SUMMARIZER_CACHE_MISSES: 90, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3360, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3359, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 90, CALL_SUMMARIZER_APPLICATIONS: 213, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3853, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3852, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 55, 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 3876#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...