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_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:12:12,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:12:12,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:12:12,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:12:12,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:12:12,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:12:12,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:12:12,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:12:12,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:12:12,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:12:12,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:12:12,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:12:12,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:12:12,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:12:12,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:12:12,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:12:12,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:12:12,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:12:12,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:12:12,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:12:12,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:12:12,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:12:12,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:12:12,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:12:12,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:12:12,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:12:12,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:12:12,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:12:12,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:12:12,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:12:12,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:12:12,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:12:12,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:12:12,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:12:12,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:12:12,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:12:12,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:12:12,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:12:12,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:12:12,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:12:12,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:12:12,579 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 [2019-09-17 06:12:12,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:12:12,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:12:12,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:12:12,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:12:12,599 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:12:12,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:12:12,599 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:12:12,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:12:12,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:12:12,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:12:12,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:12:12,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:12:12,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:12:12,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:12:12,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:12:12,601 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:12:12,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:12:12,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:12:12,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:12:12,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:12:12,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:12:12,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:12:12,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:12:12,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:12:12,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:12:12,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:12:12,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:12:12,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:12:12,605 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 [2019-09-17 06:12:12,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:12:12,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:12:12,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:12:12,668 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:12:12,669 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:12:12,669 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-17 06:12:12,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d8298c5/d4cf0fea2c6746c5b1bf2963d6a59576/FLAGf156e8388 [2019-09-17 06:12:13,172 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:12:13,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-17 06:12:13,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d8298c5/d4cf0fea2c6746c5b1bf2963d6a59576/FLAGf156e8388 [2019-09-17 06:12:13,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d8298c5/d4cf0fea2c6746c5b1bf2963d6a59576 [2019-09-17 06:12:13,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:12:13,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:12:13,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:12:13,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:12:13,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:12:13,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:12:13" (1/1) ... [2019-09-17 06:12:13,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adbfbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:13, skipping insertion in model container [2019-09-17 06:12:13,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:12:13" (1/1) ... [2019-09-17 06:12:13,573 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:12:13,607 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:12:13,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:12:13,902 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:12:14,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:12:14,066 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:12:14,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:14 WrapperNode [2019-09-17 06:12:14,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:12:14,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:12:14,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:12:14,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:12:14,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:14" (1/1) ... [2019-09-17 06:12:14,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:14" (1/1) ... [2019-09-17 06:12:14,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:14" (1/1) ... [2019-09-17 06:12:14,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:14" (1/1) ... [2019-09-17 06:12:14,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:14" (1/1) ... [2019-09-17 06:12:14,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:14" (1/1) ... [2019-09-17 06:12:14,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:14" (1/1) ... [2019-09-17 06:12:14,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:12:14,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:12:14,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:12:14,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:12:14,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:14" (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 [2019-09-17 06:12:14,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:12:14,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:12:14,170 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-17 06:12:14,170 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-17 06:12:14,171 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-17 06:12:14,171 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-17 06:12:14,171 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-17 06:12:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-17 06:12:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-17 06:12:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-17 06:12:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-17 06:12:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-17 06:12:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-17 06:12:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-17 06:12:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-17 06:12:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-17 06:12:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-17 06:12:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-17 06:12:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-17 06:12:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-17 06:12:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-17 06:12:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:12:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:12:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:12:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-17 06:12:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-17 06:12:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-17 06:12:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-17 06:12:14,175 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-17 06:12:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-17 06:12:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-17 06:12:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-17 06:12:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-17 06:12:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-17 06:12:14,176 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-17 06:12:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-17 06:12:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-17 06:12:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-17 06:12:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-17 06:12:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-17 06:12:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-17 06:12:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-17 06:12:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-17 06:12:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:12:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:12:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:12:14,703 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; [2019-09-17 06:12:14,704 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2019-09-17 06:12:14,958 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:12:14,958 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-17 06:12:14,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:12:14 BoogieIcfgContainer [2019-09-17 06:12:14,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:12:14,960 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:12:14,960 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:12:14,960 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:12:14,962 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:12:14" (1/1) ... [2019-09-17 06:12:14,962 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 [2019-09-17 06:12:14,985 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:12:14,985 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:12:14,994 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:12:15,002 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:12:15,004 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:12:15,182 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 82 for LOIs [2019-09-17 06:12:15,233 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 80 for LOIs [2019-09-17 06:12:16,366 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 76 for LOIs [2019-09-17 06:12:16,893 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 30 for LOIs [2019-09-17 06:12:16,901 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 26 for LOIs [2019-09-17 06:12:16,905 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:12:16,906 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:12:16,923 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 755#(or (and (= ~c_dr_st~0 1) (= 1 ~q_req_up~0) (not (= ~c_dr_pc~0 0)) (not (= ~c_num_read~0 ~p_num_write~0)) (= 1 ~q_free~0) (= ~c_dr_pc~0 2) (= ~c_last_read~0 ~q_buf_0~0)) (and (= ~c_dr_st~0 1) (= 1 ~q_req_up~0) (not (= ~c_dr_pc~0 0)) (= 1 ~q_free~0) (= ~c_dr_pc~0 2) (= ~c_last_read~0 ~q_buf_0~0) (not (= ~c_last_read~0 ~p_last_write~0)))) [2019-09-17 06:12:16,943 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:12:16,944 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:12:16,947 INFO L168 Benchmark]: Toolchain (without parser) took 3390.52 ms. Allocated memory was 137.4 MB in the beginning and 257.9 MB in the end (delta: 120.6 MB). Free memory was 88.5 MB in the beginning and 97.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 112.0 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:16,949 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 137.4 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:12:16,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.09 ms. Allocated memory was 137.4 MB in the beginning and 199.2 MB in the end (delta: 61.9 MB). Free memory was 88.3 MB in the beginning and 174.4 MB in the end (delta: -86.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:16,952 INFO L168 Benchmark]: Boogie Preprocessor took 41.82 ms. Allocated memory is still 199.2 MB. Free memory was 174.4 MB in the beginning and 172.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:16,953 INFO L168 Benchmark]: RCFGBuilder took 850.36 ms. Allocated memory is still 199.2 MB. Free memory was 172.0 MB in the beginning and 115.1 MB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:16,958 INFO L168 Benchmark]: Sifa took 1983.82 ms. Allocated memory was 199.2 MB in the beginning and 257.9 MB in the end (delta: 58.7 MB). Free memory was 115.1 MB in the beginning and 97.1 MB in the end (delta: 17.9 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:16,968 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 ms. Allocated memory is still 137.4 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 510.09 ms. Allocated memory was 137.4 MB in the beginning and 199.2 MB in the end (delta: 61.9 MB). Free memory was 88.3 MB in the beginning and 174.4 MB in the end (delta: -86.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.82 ms. Allocated memory is still 199.2 MB. Free memory was 174.4 MB in the beginning and 172.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 850.36 ms. Allocated memory is still 199.2 MB. Free memory was 172.0 MB in the beginning and 115.1 MB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. * Sifa took 1983.82 ms. Allocated memory was 199.2 MB in the beginning and 257.9 MB in the end (delta: 58.7 MB). Free memory was 115.1 MB in the beginning and 97.1 MB in the end (delta: 17.9 MB). Peak memory consumption was 76.6 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]: 1939, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 292, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 206, TOOLS_POST_TIME[ms]: 131, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 226, TOOLS_POST_RETURN_APPLICATIONS: 65, TOOLS_POST_RETURN_TIME[ms]: 149, TOOLS_QUANTIFIERELIM_APPLICATIONS: 342, TOOLS_QUANTIFIERELIM_TIME[ms]: 373, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 298, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 103, DOMAIN_JOIN_TIME[ms]: 1018, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 46, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 25, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 76, DOMAIN_ISBOTTOM_TIME[ms]: 150, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1046, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1045, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 65, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 919, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 918, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 47, 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 (= ~c_dr_st~0 1) (= 1 ~q_req_up~0) (not (= ~c_dr_pc~0 0)) (not (= ~c_num_read~0 ~p_num_write~0)) (= 1 ~q_free~0) (= ~c_dr_pc~0 2) (= ~c_last_read~0 ~q_buf_0~0)) (and (= ~c_dr_st~0 1) (= 1 ~q_req_up~0) (not (= ~c_dr_pc~0 0)) (= 1 ~q_free~0) (= ~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...