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 IntervalDomain -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:33:04,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:33:04,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:33:04,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:33:04,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:33:04,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:33:04,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:33:04,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:33:04,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:33:04,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:33:04,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:33:04,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:33:04,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:33:04,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:33:04,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:33:04,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:33:04,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:33:04,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:33:04,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:33:04,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:33:04,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:33:04,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:33:04,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:33:04,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:33:04,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:33:04,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:33:04,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:33:04,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:33:04,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:33:04,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:33:04,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:33:04,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:33:04,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:33:04,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:33:04,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:33:04,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:33:04,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:33:04,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:33:04,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:33:04,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:33:04,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:33:04,096 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 [2019-09-06 11:33:04,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:33:04,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:33:04,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:33:04,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:33:04,124 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:33:04,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:33:04,125 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:33:04,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:33:04,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:33:04,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:33:04,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:33:04,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:33:04,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:33:04,127 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:33:04,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:33:04,127 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:33:04,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:33:04,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:33:04,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:33:04,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:33:04,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:33:04,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:33:04,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:33:04,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:33:04,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:33:04,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:33:04,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:33:04,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:33:04,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 11:33:04,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:33:04,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:33:04,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:33:04,210 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:33:04,211 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:33:04,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-06 11:33:04,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c8987ee/49b11a8376b54ba4bb2c14c3395f1dec/FLAGf4ca8d8ab [2019-09-06 11:33:04,730 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:33:04,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-06 11:33:04,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c8987ee/49b11a8376b54ba4bb2c14c3395f1dec/FLAGf4ca8d8ab [2019-09-06 11:33:05,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c8987ee/49b11a8376b54ba4bb2c14c3395f1dec [2019-09-06 11:33:05,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:33:05,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:33:05,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:05,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:33:05,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:33:05,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:05" (1/1) ... [2019-09-06 11:33:05,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac0f941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:05, skipping insertion in model container [2019-09-06 11:33:05,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:05" (1/1) ... [2019-09-06 11:33:05,116 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:33:05,166 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:33:05,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:05,412 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:33:05,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:05,567 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:33:05,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:05 WrapperNode [2019-09-06 11:33:05,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:05,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:33:05,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:33:05,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:33:05,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:05" (1/1) ... [2019-09-06 11:33:05,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:05" (1/1) ... [2019-09-06 11:33:05,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:05" (1/1) ... [2019-09-06 11:33:05,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:05" (1/1) ... [2019-09-06 11:33:05,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:05" (1/1) ... [2019-09-06 11:33:05,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:05" (1/1) ... [2019-09-06 11:33:05,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:05" (1/1) ... [2019-09-06 11:33:05,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:33:05,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:33:05,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:33:05,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:33:05,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:05" (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 [2019-09-06 11:33:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:33:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:33:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:33:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-06 11:33:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-06 11:33:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-06 11:33:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-06 11:33:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-06 11:33:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-06 11:33:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-06 11:33:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-06 11:33:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-06 11:33:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-06 11:33:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-06 11:33:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-06 11:33:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-06 11:33:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-06 11:33:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:33:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-06 11:33:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:33:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-06 11:33:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:33:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:33:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:33:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:33:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-06 11:33:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-06 11:33:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-06 11:33:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-06 11:33:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-06 11:33:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-06 11:33:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-06 11:33:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-06 11:33:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-06 11:33:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-06 11:33:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-06 11:33:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-06 11:33:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-06 11:33:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-06 11:33:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:33:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-06 11:33:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:33:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-06 11:33:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:33:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:33:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:33:06,214 INFO L684 $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; [2019-09-06 11:33:06,214 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2019-09-06 11:33:06,226 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:33:06,226 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-06 11:33:06,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:06 BoogieIcfgContainer [2019-09-06 11:33:06,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:33:06,228 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:33:06,228 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:33:06,228 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:33:06,230 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:06" (1/1) ... [2019-09-06 11:33:06,230 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 11:33:06,265 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:33:06,266 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:33:06,282 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:33:06,293 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:33:06,295 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:33:06,418 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 102 for LOIs [2019-09-06 11:33:06,514 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 100 for LOIs [2019-09-06 11:33:09,972 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 91 for LOIs [2019-09-06 11:33:10,158 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 57 for LOIs [2019-09-06 11:33:10,164 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 44 for LOIs [2019-09-06 11:33:10,165 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:33:10,165 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:33:10,168 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1628#(and (<= 0 ~q_ev~0) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (<= 2 ~fast_clk_edge~0) (<= 1 ~c_num_read~0) (<= 0 ~p_dw_st~0) (<= ~slow_clk_edge~0 2) (<= ~q_ev~0 0) (<= 0 ~p_dw_pc~0) (<= 2 ~c_dr_pc~0) (<= 1 ~q_free~0) (<= 0 ~t~0) (<= 1 ~c_dr_i~0) (<= 0 ~p_num_write~0) (<= ~c_dr_i~0 1) (<= 1 ~c_dr_st~0) (<= 1 ~q_req_up~0) (<= ~q_write_ev~0 2) (<= ~q_free~0 1) (<= ~c_dr_pc~0 2) (<= ~q_req_up~0 1) (<= ~fast_clk_edge~0 2) (<= ~q_read_ev~0 2) (<= ~c_dr_st~0 1)) [2019-09-06 11:33:10,183 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:33:10,183 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:33:10,186 INFO L168 Benchmark]: Toolchain (without parser) took 5085.72 ms. Allocated memory was 133.2 MB in the beginning and 317.2 MB in the end (delta: 184.0 MB). Free memory was 88.6 MB in the beginning and 193.5 MB in the end (delta: -104.9 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:10,187 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:33:10,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.28 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 88.3 MB in the beginning and 175.3 MB in the end (delta: -87.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:10,189 INFO L168 Benchmark]: Boogie Preprocessor took 42.88 ms. Allocated memory is still 200.8 MB. Free memory was 175.3 MB in the beginning and 172.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:10,189 INFO L168 Benchmark]: RCFGBuilder took 616.26 ms. Allocated memory is still 200.8 MB. Free memory was 172.8 MB in the beginning and 138.2 MB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:10,190 INFO L168 Benchmark]: Sifa took 3955.06 ms. Allocated memory was 200.8 MB in the beginning and 317.2 MB in the end (delta: 116.4 MB). Free memory was 138.2 MB in the beginning and 193.5 MB in the end (delta: -55.3 MB). Peak memory consumption was 61.1 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:10,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 467.28 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 88.3 MB in the beginning and 175.3 MB in the end (delta: -87.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.88 ms. Allocated memory is still 200.8 MB. Free memory was 175.3 MB in the beginning and 172.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 616.26 ms. Allocated memory is still 200.8 MB. Free memory was 172.8 MB in the beginning and 138.2 MB in the end (delta: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB. * Sifa took 3955.06 ms. Allocated memory was 200.8 MB in the beginning and 317.2 MB in the end (delta: 116.4 MB). Free memory was 138.2 MB in the beginning and 193.5 MB in the end (delta: -55.3 MB). Peak memory consumption was 61.1 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]: 3903, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1105, DAG_INTERPRETER_EARLY_EXITS: 21, TOOLS_POST_APPLICATIONS: 876, TOOLS_POST_TIME[ms]: 369, TOOLS_POST_CALL_APPLICATIONS: 131, TOOLS_POST_CALL_TIME[ms]: 456, TOOLS_POST_RETURN_APPLICATIONS: 125, TOOLS_POST_RETURN_TIME[ms]: 358, TOOLS_QUANTIFIERELIM_TIME[ms]: 870, FLUID_QUERY_TIME[ms]: 48, FLUID_QUERIES: 1119, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 445, DOMAIN_JOIN_TIME[ms]: 798, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 13, DOMAIN_ISSUBSETEQ_APPLICATIONS: 472, DOMAIN_ISSUBSETEQ_TIME[ms]: 908, DOMAIN_ISBOTTOM_APPLICATIONS: 367, DOMAIN_ISBOTTOM_TIME[ms]: 692, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3022, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3021, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 125, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3042, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 48, DAG_COMPRESSION_PROCESSED_NODES: 539, DAG_COMPRESSION_RETAINED_NODES: 284 - 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 1628#(and (<= 0 ~q_ev~0) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (<= 2 ~fast_clk_edge~0) (<= 1 ~c_num_read~0) (<= 0 ~p_dw_st~0) (<= ~slow_clk_edge~0 2) (<= ~q_ev~0 0) (<= 0 ~p_dw_pc~0) (<= 2 ~c_dr_pc~0) (<= 1 ~q_free~0) (<= 0 ~t~0) (<= 1 ~c_dr_i~0) (<= 0 ~p_num_write~0) (<= ~c_dr_i~0 1) (<= 1 ~c_dr_st~0) (<= 1 ~q_req_up~0) (<= ~q_write_ev~0 2) (<= ~q_free~0 1) (<= ~c_dr_pc~0 2) (<= ~q_req_up~0 1) (<= ~fast_clk_edge~0 2) (<= ~q_read_ev~0 2) (<= ~c_dr_st~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...