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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:13:48,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:13:48,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:13:48,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:13:48,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:13:48,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:13:48,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:13:48,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:13:48,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:13:48,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:13:48,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:13:48,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:13:48,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:13:48,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:13:48,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:13:48,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:13:48,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:13:48,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:13:48,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:13:48,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:13:48,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:13:48,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:13:48,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:13:48,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:13:48,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:13:48,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:13:48,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:13:48,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:13:48,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:13:48,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:13:48,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:13:48,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:13:48,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:13:48,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:13:48,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:13:48,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:13:48,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:13:48,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:13:48,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:13:48,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:13:48,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:13:48,928 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 [2019-09-20 15:13:48,942 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:13:48,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:13:48,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:13:48,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:13:48,944 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:13:48,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:13:48,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:13:48,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:13:48,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:13:48,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:13:48,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:13:48,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:13:48,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:13:48,945 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:13:48,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:13:48,946 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:13:48,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:13:48,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:13:48,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:13:48,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:13:48,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:13:48,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:13:48,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:13:48,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:13:48,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:13:48,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:13:48,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:13:48,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:13:48,948 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 -> 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 -> NONE [2019-09-20 15:13:48,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:13:48,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:13:48,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:13:49,001 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:13:49,001 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:13:49,002 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-20 15:13:49,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7e35485/5a455c83b2f9432f80990bfd34260f28/FLAG13106a1aa [2019-09-20 15:13:49,570 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:13:49,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-20 15:13:49,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7e35485/5a455c83b2f9432f80990bfd34260f28/FLAG13106a1aa [2019-09-20 15:13:49,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7e35485/5a455c83b2f9432f80990bfd34260f28 [2019-09-20 15:13:49,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:13:49,924 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:13:49,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:13:49,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:13:49,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:13:49,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:13:49" (1/1) ... [2019-09-20 15:13:49,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b02fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:49, skipping insertion in model container [2019-09-20 15:13:49,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:13:49" (1/1) ... [2019-09-20 15:13:49,939 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:13:49,977 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:13:50,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:13:50,176 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:13:50,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:13:50,328 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:13:50,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:50 WrapperNode [2019-09-20 15:13:50,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:13:50,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:13:50,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:13:50,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:13:50,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:50" (1/1) ... [2019-09-20 15:13:50,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:50" (1/1) ... [2019-09-20 15:13:50,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:50" (1/1) ... [2019-09-20 15:13:50,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:50" (1/1) ... [2019-09-20 15:13:50,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:50" (1/1) ... [2019-09-20 15:13:50,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:50" (1/1) ... [2019-09-20 15:13:50,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:50" (1/1) ... [2019-09-20 15:13:50,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:13:50,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:13:50,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:13:50,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:13:50,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:50" (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 [2019-09-20 15:13:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:13:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:13:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 15:13:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 15:13:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 15:13:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 15:13:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 15:13:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 15:13:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 15:13:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 15:13:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 15:13:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 15:13:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 15:13:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 15:13:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 15:13:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 15:13:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 15:13:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 15:13:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 15:13:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 15:13:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 15:13:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:13:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:13:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:13:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 15:13:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 15:13:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 15:13:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 15:13:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 15:13:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 15:13:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 15:13:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 15:13:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 15:13:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 15:13:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 15:13:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 15:13:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 15:13:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 15:13:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 15:13:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 15:13:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 15:13:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 15:13:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 15:13:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:13:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:13:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:13:50,985 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2019-09-20 15:13:50,986 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2019-09-20 15:13:51,213 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:13:51,213 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 15:13:51,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:13:51 BoogieIcfgContainer [2019-09-20 15:13:51,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:13:51,216 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:13:51,216 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:13:51,216 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:13:51,217 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:13:51" (1/1) ... [2019-09-20 15:13:51,218 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:13:51,241 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:13:51,242 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:13:51,255 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:13:51,265 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:13:51,267 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:13:51,335 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 82 for LOIs [2019-09-20 15:13:51,372 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 80 for LOIs [2019-09-20 15:13:51,971 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 79 for LOIs [2019-09-20 15:13:52,100 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 40 for LOIs [2019-09-20 15:13:52,106 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 39 for LOIs [2019-09-20 15:13:52,106 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:13:52,107 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:13:52,109 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 755#(or (and (= 1 ~q_req_up~0) (not (= ~c_dr_pc~0 0)) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_last_read~0 ~p_last_write~0) (or (and (or (= 0 ~p_dw_st~0) (and (= 2 ~p_dw_st~0) (= 1 ~p_dw_pc~0)) (and (= 2 ~p_dw_st~0) (= 2 ~p_dw_pc~0))) (= ~c_dr_st~0 1)) (and (not (= 0 ~p_dw_st~0)) (= ~c_dr_st~0 1))) (= 1 ~q_free~0) (= ~c_dr_pc~0 2) (= ~c_last_read~0 ~q_buf_0~0)) (and (= 1 ~q_req_up~0) (not (= ~c_dr_pc~0 0)) (= 1 ~q_free~0) (or (and (or (= 0 ~p_dw_st~0) (and (= 2 ~p_dw_st~0) (= 1 ~p_dw_pc~0)) (and (= 2 ~p_dw_st~0) (= 2 ~p_dw_pc~0))) (= ~c_dr_st~0 1)) (and (not (= 0 ~p_dw_st~0)) (= ~c_dr_st~0 1))) (= ~c_dr_pc~0 2) (= ~c_last_read~0 ~q_buf_0~0) (not (= ~c_last_read~0 ~p_last_write~0)))) [2019-09-20 15:13:52,121 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:13:52,122 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:13:52,124 INFO L168 Benchmark]: Toolchain (without parser) took 2199.50 ms. Allocated memory was 137.9 MB in the beginning and 218.6 MB in the end (delta: 80.7 MB). Free memory was 83.6 MB in the beginning and 129.7 MB in the end (delta: -46.0 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:52,125 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:13:52,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.33 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 83.4 MB in the beginning and 173.4 MB in the end (delta: -89.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:52,127 INFO L168 Benchmark]: Boogie Preprocessor took 44.31 ms. Allocated memory is still 198.2 MB. Free memory was 173.4 MB in the beginning and 170.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:52,128 INFO L168 Benchmark]: RCFGBuilder took 841.15 ms. Allocated memory is still 198.2 MB. Free memory was 170.8 MB in the beginning and 113.0 MB in the end (delta: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:52,129 INFO L168 Benchmark]: Sifa took 906.10 ms. Allocated memory was 198.2 MB in the beginning and 218.6 MB in the end (delta: 20.4 MB). Free memory was 113.0 MB in the beginning and 129.7 MB in the end (delta: -16.7 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:13:52,133 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 102.7 MB in the beginning and 102.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 404.33 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 83.4 MB in the beginning and 173.4 MB in the end (delta: -89.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.31 ms. Allocated memory is still 198.2 MB. Free memory was 173.4 MB in the beginning and 170.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 841.15 ms. Allocated memory is still 198.2 MB. Free memory was 170.8 MB in the beginning and 113.0 MB in the end (delta: 57.8 MB). Peak memory consumption was 57.8 MB. Max. memory is 7.1 GB. * Sifa took 906.10 ms. Allocated memory was 198.2 MB in the beginning and 218.6 MB in the end (delta: 20.4 MB). Free memory was 113.0 MB in the beginning and 129.7 MB in the end (delta: -16.7 MB). Peak memory consumption was 3.8 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]: 868, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 292, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 206, TOOLS_POST_TIME[ms]: 125, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 206, TOOLS_POST_RETURN_APPLICATIONS: 65, TOOLS_POST_RETURN_TIME[ms]: 155, TOOLS_QUANTIFIERELIM_APPLICATIONS: 342, TOOLS_QUANTIFIERELIM_TIME[ms]: 366, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 298, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 103, DOMAIN_JOIN_TIME[ms]: 19, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 45, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 76, DOMAIN_ISBOTTOM_TIME[ms]: 147, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 428, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 427, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 65, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 325, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 324, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 411, DAG_COMPRESSION_RETAINED_NODES: 211 - 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 755#(or (and (= 1 ~q_req_up~0) (not (= ~c_dr_pc~0 0)) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_last_read~0 ~p_last_write~0) (or (and (or (= 0 ~p_dw_st~0) (and (= 2 ~p_dw_st~0) (= 1 ~p_dw_pc~0)) (and (= 2 ~p_dw_st~0) (= 2 ~p_dw_pc~0))) (= ~c_dr_st~0 1)) (and (not (= 0 ~p_dw_st~0)) (= ~c_dr_st~0 1))) (= 1 ~q_free~0) (= ~c_dr_pc~0 2) (= ~c_last_read~0 ~q_buf_0~0)) (and (= 1 ~q_req_up~0) (not (= ~c_dr_pc~0 0)) (= 1 ~q_free~0) (or (and (or (= 0 ~p_dw_st~0) (and (= 2 ~p_dw_st~0) (= 1 ~p_dw_pc~0)) (and (= 2 ~p_dw_st~0) (= 2 ~p_dw_pc~0))) (= ~c_dr_st~0 1)) (and (not (= 0 ~p_dw_st~0)) (= ~c_dr_st~0 1))) (= ~c_dr_pc~0 2) (= ~c_last_read~0 ~q_buf_0~0) (not (= ~c_last_read~0 ~p_last_write~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...