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-efa34d5 [2019-09-17 02:27:57,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:27:57,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:27:57,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:27:57,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:27:57,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:27:57,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:27:57,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:27:57,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:27:57,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:27:57,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:27:57,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:27:57,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:27:57,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:27:57,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:27:57,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:27:57,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:27:57,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:27:57,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:27:57,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:27:57,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:27:57,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:27:57,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:27:57,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:27:57,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 02:27:57,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 02:27:57,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 02:27:57,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 02:27:57,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 02:27:57,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 02:27:57,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:27:57,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:27:57,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:27:57,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:27:57,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:27:57,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:27:57,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:27:57,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:27:57,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:27:57,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:27:57,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:27:57,149 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 02:27:57,176 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:27:57,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:27:57,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:27:57,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:27:57,181 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:27:57,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:27:57,182 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:27:57,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:27:57,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:27:57,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:27:57,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:27:57,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:27:57,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:27:57,183 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:27:57,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:27:57,186 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:27:57,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:27:57,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:27:57,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:27:57,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:27:57,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:27:57,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:27:57,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:27:57,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:27:57,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:27:57,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:27:57,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:27:57,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:27:57,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> 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 [2019-09-17 02:27:57,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:27:57,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:27:57,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:27:57,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:27:57,248 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:27:57,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-17 02:27:57,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f654016b/51fea56154ec45bf832776dcd1731159/FLAG00316586e [2019-09-17 02:27:57,780 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:27:57,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-17 02:27:57,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f654016b/51fea56154ec45bf832776dcd1731159/FLAG00316586e [2019-09-17 02:27:58,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f654016b/51fea56154ec45bf832776dcd1731159 [2019-09-17 02:27:58,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:27:58,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:27:58,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:27:58,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:27:58,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:27:58,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:27:58" (1/1) ... [2019-09-17 02:27:58,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb92ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:58, skipping insertion in model container [2019-09-17 02:27:58,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:27:58" (1/1) ... [2019-09-17 02:27:58,126 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:27:58,160 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:27:58,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:27:58,410 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:27:58,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:27:58,583 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:27:58,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:58 WrapperNode [2019-09-17 02:27:58,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:27:58,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:27:58,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:27:58,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:27:58,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:58" (1/1) ... [2019-09-17 02:27:58,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:58" (1/1) ... [2019-09-17 02:27:58,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:58" (1/1) ... [2019-09-17 02:27:58,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:58" (1/1) ... [2019-09-17 02:27:58,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:58" (1/1) ... [2019-09-17 02:27:58,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:58" (1/1) ... [2019-09-17 02:27:58,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:58" (1/1) ... [2019-09-17 02:27:58,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:27:58,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:27:58,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:27:58,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:27:58,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:27:58" (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 02:27:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:27:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:27:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-17 02:27:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-17 02:27:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-17 02:27:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-17 02:27:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-17 02:27:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-17 02:27:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-17 02:27:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-17 02:27:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-17 02:27:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-17 02:27:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-17 02:27:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-17 02:27:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-17 02:27:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-17 02:27:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-17 02:27:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-17 02:27:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-17 02:27:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-17 02:27:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-17 02:27:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:27:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:27:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:27:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-17 02:27:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-17 02:27:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-17 02:27:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-17 02:27:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-17 02:27:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-17 02:27:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-17 02:27:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-17 02:27:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-17 02:27:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-17 02:27:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-17 02:27:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-17 02:27:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-17 02:27:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-17 02:27:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-17 02:27:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-17 02:27:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-17 02:27:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-17 02:27:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-17 02:27:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:27:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:27:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:27:59,287 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 02:27:59,288 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2019-09-17 02:27:59,546 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:27:59,547 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-17 02:27:59,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:27:59 BoogieIcfgContainer [2019-09-17 02:27:59,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:27:59,549 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:27:59,549 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:27:59,549 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:27:59,551 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:27:59" (1/1) ... [2019-09-17 02:27:59,551 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 [2019-09-17 02:27:59,575 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:27:59,576 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:27:59,586 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:27:59,595 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:27:59,597 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:27:59,670 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 82 for LOIs [2019-09-17 02:27:59,699 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 80 for LOIs [2019-09-17 02:28:00,346 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 79 for LOIs [2019-09-17 02:28:00,476 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 40 for LOIs [2019-09-17 02:28:00,484 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 39 for LOIs [2019-09-17 02:28:00,485 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:28:00,485 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:28:00,487 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)))) [2019-09-17 02:28:00,500 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:28:00,501 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:28:00,503 INFO L168 Benchmark]: Toolchain (without parser) took 2393.76 ms. Allocated memory was 132.1 MB in the beginning and 221.8 MB in the end (delta: 89.7 MB). Free memory was 86.0 MB in the beginning and 130.3 MB in the end (delta: -44.3 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. [2019-09-17 02:28:00,505 INFO L168 Benchmark]: CDTParser took 1.14 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:28:00,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.82 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 85.8 MB in the beginning and 172.6 MB in the end (delta: -86.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-17 02:28:00,506 INFO L168 Benchmark]: Boogie Preprocessor took 54.33 ms. Allocated memory is still 198.7 MB. Free memory was 172.6 MB in the beginning and 170.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-17 02:28:00,507 INFO L168 Benchmark]: RCFGBuilder took 908.88 ms. Allocated memory is still 198.7 MB. Free memory was 170.8 MB in the beginning and 113.7 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. [2019-09-17 02:28:00,508 INFO L168 Benchmark]: Sifa took 951.96 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 113.7 MB in the beginning and 130.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-09-17 02:28:00,512 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 474.82 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 85.8 MB in the beginning and 172.6 MB in the end (delta: -86.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.33 ms. Allocated memory is still 198.7 MB. Free memory was 172.6 MB in the beginning and 170.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 908.88 ms. Allocated memory is still 198.7 MB. Free memory was 170.8 MB in the beginning and 113.7 MB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. * Sifa took 951.96 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 113.7 MB in the beginning and 130.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 6.4 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]: 912, 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]: 207, TOOLS_POST_RETURN_APPLICATIONS: 65, TOOLS_POST_RETURN_TIME[ms]: 164, TOOLS_QUANTIFIERELIM_APPLICATIONS: 342, TOOLS_QUANTIFIERELIM_TIME[ms]: 384, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 298, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 103, DOMAIN_JOIN_TIME[ms]: 19, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 55, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 76, DOMAIN_ISBOTTOM_TIME[ms]: 161, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 464, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 464, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 65, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 376, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 375, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 14, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 36, 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...