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 SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:56:03,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:56:03,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:56:03,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:56:03,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:56:03,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:56:03,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:56:03,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:56:03,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:56:03,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:56:03,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:56:03,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:56:03,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:56:03,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:56:03,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:56:03,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:56:03,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:56:03,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:56:03,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:56:03,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:56:03,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:56:03,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:56:03,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:56:03,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:56:03,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:56:03,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:56:03,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:56:03,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:56:03,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:56:03,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:56:03,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:56:03,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:56:03,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:56:03,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:56:03,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:56:03,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:56:03,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:56:03,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:56:03,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:56:03,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:56:03,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:56:03,071 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 15:56:03,086 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:56:03,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:56:03,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:56:03,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:56:03,088 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:56:03,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:56:03,089 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:56:03,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:56:03,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:56:03,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:56:03,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:56:03,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:56:03,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:56:03,090 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:56:03,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:56:03,091 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:56:03,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:56:03,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:56:03,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:56:03,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:56:03,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:56:03,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:56:03,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:56:03,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:56:03,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:56:03,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:56:03,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:56:03,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:56:03,093 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 -> SIMPLIFY_QUICK [2019-09-20 15:56:03,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:56:03,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:56:03,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:56:03,141 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:56:03,142 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:56:03,143 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-20 15:56:03,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a690dee69/8a70f5a0d2714a2aaf858897cafed9ed/FLAGb8e22d0a2 [2019-09-20 15:56:03,673 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:56:03,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-20 15:56:03,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a690dee69/8a70f5a0d2714a2aaf858897cafed9ed/FLAGb8e22d0a2 [2019-09-20 15:56:03,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a690dee69/8a70f5a0d2714a2aaf858897cafed9ed [2019-09-20 15:56:03,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:56:03,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:56:03,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:56:03,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:56:03,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:56:03,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:56:03" (1/1) ... [2019-09-20 15:56:04,001 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 20.09 03:56:03, skipping insertion in model container [2019-09-20 15:56:04,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:56:03" (1/1) ... [2019-09-20 15:56:04,009 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:56:04,038 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:56:04,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:56:04,283 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:56:04,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:56:04,431 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:56:04,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:04 WrapperNode [2019-09-20 15:56:04,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:56:04,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:56:04,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:56:04,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:56:04,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:04" (1/1) ... [2019-09-20 15:56:04,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:04" (1/1) ... [2019-09-20 15:56:04,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:04" (1/1) ... [2019-09-20 15:56:04,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:04" (1/1) ... [2019-09-20 15:56:04,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:04" (1/1) ... [2019-09-20 15:56:04,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:04" (1/1) ... [2019-09-20 15:56:04,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:04" (1/1) ... [2019-09-20 15:56:04,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:56:04,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:56:04,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:56:04,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:56:04,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:04" (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 15:56:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:56:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:56:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 15:56:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 15:56:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 15:56:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 15:56:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 15:56:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 15:56:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 15:56:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 15:56:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 15:56:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 15:56:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 15:56:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 15:56:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 15:56:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 15:56:04,532 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 15:56:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 15:56:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 15:56:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:56:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:56:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:56:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 15:56:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 15:56:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 15:56:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 15:56:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 15:56:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 15:56:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 15:56:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 15:56:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 15:56:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 15:56:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 15:56:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 15:56:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 15:56:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 15:56:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 15:56:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 15:56:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 15:56:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:56:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:56:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:56:05,306 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:56:05,306 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 15:56:05,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:56:05 BoogieIcfgContainer [2019-09-20 15:56:05,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:56:05,309 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:56:05,309 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:56:05,309 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:56:05,310 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:56:05" (1/1) ... [2019-09-20 15:56:05,311 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:56:05,335 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:56:05,336 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:56:05,357 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:56:05,370 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:56:05,372 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:56:05,547 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 70 for LOIs [2019-09-20 15:56:05,615 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 68 for LOIs [2019-09-20 15:56:06,477 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 56 for LOIs [2019-09-20 15:56:06,667 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 24 for LOIs [2019-09-20 15:56:06,750 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 19 for LOIs [2019-09-20 15:56:06,754 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:56:06,754 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:56:06,757 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 880#(or (and (and (= 1 ~q_req_up~0) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (not (= ~c_num_read~0 ~p_num_write~0))) (and (= 1 ~q_req_up~0) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (not (= ~c_last_read~0 ~p_last_write~0)))) [2019-09-20 15:56:06,775 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:56:06,775 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:56:06,779 INFO L168 Benchmark]: Toolchain (without parser) took 2786.38 ms. Allocated memory was 132.6 MB in the beginning and 223.9 MB in the end (delta: 91.2 MB). Free memory was 88.4 MB in the beginning and 87.9 MB in the end (delta: 529.3 kB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:06,782 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:56:06,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.66 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 175.8 MB in the end (delta: -87.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:06,784 INFO L168 Benchmark]: Boogie Preprocessor took 39.79 ms. Allocated memory is still 199.8 MB. Free memory was 175.8 MB in the beginning and 172.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:06,786 INFO L168 Benchmark]: RCFGBuilder took 835.64 ms. Allocated memory is still 199.8 MB. Free memory was 172.9 MB in the beginning and 123.4 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:06,791 INFO L168 Benchmark]: Sifa took 1466.74 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 123.4 MB in the beginning and 87.9 MB in the end (delta: 35.5 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:06,804 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 439.66 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 175.8 MB in the end (delta: -87.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.79 ms. Allocated memory is still 199.8 MB. Free memory was 175.8 MB in the beginning and 172.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 835.64 ms. Allocated memory is still 199.8 MB. Free memory was 172.9 MB in the beginning and 123.4 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * Sifa took 1466.74 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 123.4 MB in the beginning and 87.9 MB in the end (delta: 35.5 MB). Peak memory consumption was 59.7 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]: 1422, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 314, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 227, TOOLS_POST_TIME[ms]: 83, TOOLS_POST_CALL_APPLICATIONS: 63, TOOLS_POST_CALL_TIME[ms]: 150, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 93, TOOLS_QUANTIFIERELIM_APPLICATIONS: 347, TOOLS_QUANTIFIERELIM_TIME[ms]: 225, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 325, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 119, DOMAIN_JOIN_TIME[ms]: 684, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 80, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 81, DOMAIN_ISBOTTOM_TIME[ms]: 107, LOOP_SUMMARIZER_APPLICATIONS: 10, LOOP_SUMMARIZER_CACHE_MISSES: 10, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 588, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 587, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME[ms]: 769, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 768, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 48, DAG_COMPRESSION_PROCESSED_NODES: 457, DAG_COMPRESSION_RETAINED_NODES: 209 - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 880#(or (and (and (= 1 ~q_req_up~0) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (not (= ~c_num_read~0 ~p_num_write~0))) (and (= 1 ~q_req_up~0) (= 1 ~q_free~0) (= ~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...