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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/kundu2.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:08:01,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:08:01,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:08:01,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:08:01,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:08:01,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:08:01,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:08:01,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:08:01,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:08:01,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:08:01,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:08:01,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:08:01,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:08:01,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:08:01,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:08:01,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:08:01,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:08:01,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:08:01,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:08:01,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:08:01,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:08:01,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:08:01,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:08:01,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:08:01,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:08:01,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:08:01,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:08:01,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:08:01,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:08:01,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:08:01,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:08:01,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:08:01,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:08:01,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:08:01,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:08:01,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:08:01,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:08:01,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:08:01,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:08:01,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:08:01,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:08:01,422 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 [2019-10-15 07:08:01,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:08:01,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:08:01,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:08:01,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:08:01,457 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:08:01,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:08:01,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:08:01,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:08:01,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:08:01,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:08:01,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:08:01,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:08:01,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:08:01,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:08:01,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:08:01,459 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:08:01,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:08:01,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:08:01,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:08:01,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:08:01,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:08:01,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:08:01,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:08:01,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:08:01,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:08:01,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:08:01,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:08:01,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:08:01,461 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 07:08:01,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:08:01,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:08:01,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:08:01,777 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:08:01,777 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:08:01,778 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu2.cil.c [2019-10-15 07:08:01,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7872c8da3/edf9a34793824dc6ab82c0405c358f33/FLAG4fcdb0349 [2019-10-15 07:08:02,326 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:08:02,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu2.cil.c [2019-10-15 07:08:02,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7872c8da3/edf9a34793824dc6ab82c0405c358f33/FLAG4fcdb0349 [2019-10-15 07:08:02,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7872c8da3/edf9a34793824dc6ab82c0405c358f33 [2019-10-15 07:08:02,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:08:02,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:08:02,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:08:02,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:08:02,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:08:02,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:02" (1/1) ... [2019-10-15 07:08:02,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@931e348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:02, skipping insertion in model container [2019-10-15 07:08:02,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:08:02" (1/1) ... [2019-10-15 07:08:02,716 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:08:02,752 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:08:02,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:08:02,974 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:08:03,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:08:03,145 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:08:03,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:03 WrapperNode [2019-10-15 07:08:03,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:08:03,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:08:03,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:08:03,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:08:03,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:03" (1/1) ... [2019-10-15 07:08:03,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:03" (1/1) ... [2019-10-15 07:08:03,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:03" (1/1) ... [2019-10-15 07:08:03,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:03" (1/1) ... [2019-10-15 07:08:03,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:03" (1/1) ... [2019-10-15 07:08:03,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:03" (1/1) ... [2019-10-15 07:08:03,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:03" (1/1) ... [2019-10-15 07:08:03,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:08:03,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:08:03,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:08:03,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:08:03,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:08:03" (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 [2019-10-15 07:08:03,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:08:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:08:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-15 07:08:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-10-15 07:08:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-10-15 07:08:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-10-15 07:08:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-10-15 07:08:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure P_2 [2019-10-15 07:08:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_2_triggered [2019-10-15 07:08:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-10-15 07:08:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-10-15 07:08:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-15 07:08:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-15 07:08:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-15 07:08:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-15 07:08:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-15 07:08:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-15 07:08:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-15 07:08:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-15 07:08:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-15 07:08:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-15 07:08:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-15 07:08:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-15 07:08:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-15 07:08:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:08:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:08:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 07:08:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-15 07:08:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-15 07:08:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-10-15 07:08:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-10-15 07:08:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-10-15 07:08:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-10-15 07:08:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure P_2 [2019-10-15 07:08:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_2_triggered [2019-10-15 07:08:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-10-15 07:08:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-10-15 07:08:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-15 07:08:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-15 07:08:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-15 07:08:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-15 07:08:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-15 07:08:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-15 07:08:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-15 07:08:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-15 07:08:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-15 07:08:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-15 07:08:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-15 07:08:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-15 07:08:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:08:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:08:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:08:04,073 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:08:04,073 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 07:08:04,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:04 BoogieIcfgContainer [2019-10-15 07:08:04,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:08:04,075 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:08:04,075 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:08:04,076 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:08:04,077 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:08:04" (1/1) ... [2019-10-15 07:08:04,077 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 [2019-10-15 07:08:04,110 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:08:04,111 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:08:04,130 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:08:04,140 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:08:04,142 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:08:04,470 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 104 for LOIs [2019-10-15 07:08:04,534 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 86 for LOIs [2019-10-15 07:08:07,321 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 60 for LOIs [2019-10-15 07:08:08,236 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 40 for LOIs [2019-10-15 07:08:08,409 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 53 for LOIs [2019-10-15 07:08:08,429 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 40 for LOIs [2019-10-15 07:08:08,431 INFO L199 IcfgInterpreter]: Interpreting procedure P_2 with input of size 54 for LOIs [2019-10-15 07:08:08,450 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 59 for LOIs [2019-10-15 07:08:08,469 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 24 for LOIs [2019-10-15 07:08:08,473 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 07:08:08,485 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 07:08:08,486 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 07:08:08,489 INFO L168 Benchmark]: Toolchain (without parser) took 5793.65 ms. Allocated memory was 137.9 MB in the beginning and 371.2 MB in the end (delta: 233.3 MB). Free memory was 102.6 MB in the beginning and 241.5 MB in the end (delta: -138.8 MB). Peak memory consumption was 94.5 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:08,491 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 121.2 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 07:08:08,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.83 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 178.5 MB in the end (delta: -76.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:08,494 INFO L168 Benchmark]: Boogie Preprocessor took 56.46 ms. Allocated memory is still 202.4 MB. Free memory was 178.5 MB in the beginning and 175.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:08,495 INFO L168 Benchmark]: RCFGBuilder took 871.45 ms. Allocated memory is still 202.4 MB. Free memory was 175.4 MB in the beginning and 117.4 MB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:08,501 INFO L168 Benchmark]: Sifa took 4410.52 ms. Allocated memory was 202.4 MB in the beginning and 371.2 MB in the end (delta: 168.8 MB). Free memory was 117.4 MB in the beginning and 241.5 MB in the end (delta: -124.1 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2019-10-15 07:08:08,511 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 137.9 MB. Free memory was 121.2 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 446.83 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 178.5 MB in the end (delta: -76.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.46 ms. Allocated memory is still 202.4 MB. Free memory was 178.5 MB in the beginning and 175.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 871.45 ms. Allocated memory is still 202.4 MB. Free memory was 175.4 MB in the beginning and 117.4 MB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. * Sifa took 4410.52 ms. Allocated memory was 202.4 MB in the beginning and 371.2 MB in the end (delta: 168.8 MB). Free memory was 117.4 MB in the beginning and 241.5 MB in the end (delta: -124.1 MB). Peak memory consumption was 44.7 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]: 4362, ICFG_INTERPRETER_ENTERED_PROCEDURES: 10, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 529, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 366, TOOLS_POST_TIME[ms]: 165, TOOLS_POST_CALL_APPLICATIONS: 134, TOOLS_POST_CALL_TIME[ms]: 512, TOOLS_POST_RETURN_APPLICATIONS: 122, TOOLS_POST_RETURN_TIME[ms]: 215, TOOLS_QUANTIFIERELIM_APPLICATIONS: 621, TOOLS_QUANTIFIERELIM_TIME[ms]: 676, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 540, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 179, DOMAIN_JOIN_TIME[ms]: 2793, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 254, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 118, DOMAIN_ISBOTTOM_TIME[ms]: 190, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2984, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2984, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 122, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1542, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1541, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 720, DAG_COMPRESSION_RETAINED_NODES: 339 - 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 1693#(and (= ~C_1_i~0 1) (= ~P_1_i~0 1) (<= 1 ~P_1_i~0) (<= ~C_1_pr~0 0) (<= 1 ~P_2_i~0) (<= ~P_2_i~0 1) (<= 0 ~C_1_pr~0) (<= ~C_1_i~0 1) (<= 2 ~max_loop~0) (<= ~max_loop~0 2) (= ~C_1_pr~0 0) (<= ~P_1_i~0 1) (<= 1 ~C_1_i~0) (= ~P_2_i~0 1) (= ~max_loop~0 2)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...