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/token_ring.05.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:33:28,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:33:28,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:33:28,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:33:28,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:33:28,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:33:28,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:33:28,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:33:28,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:33:28,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:33:28,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:33:28,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:33:28,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:33:28,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:33:28,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:33:28,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:33:28,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:33:28,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:33:28,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:33:28,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:33:28,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:33:28,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:33:28,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:33:28,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:33:28,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:33:28,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:33:28,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:33:28,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:33:28,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:33:28,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:33:28,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:33:28,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:33:28,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:33:28,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:33:28,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:33:28,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:33:28,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:33:28,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:33:28,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:33:28,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:33:28,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:33:28,319 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 11:33:28,333 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:33:28,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:33:28,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:33:28,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:33:28,334 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:33:28,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:33:28,335 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:33:28,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:33:28,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:33:28,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:33:28,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:33:28,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:33:28,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:33:28,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:33:28,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:33:28,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:33:28,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:33:28,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:33:28,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:33:28,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:33:28,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:33:28,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:33:28,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:33:28,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:33:28,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:33:28,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:33:28,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:33:28,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:33:28,339 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 11:33:28,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:33:28,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:33:28,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:33:28,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:33:28,384 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:33:28,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.05.cil-2.c [2019-09-06 11:33:28,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55de75548/30e2dfbf1ac04e799c55e3336f453332/FLAG9351aecc0 [2019-09-06 11:33:28,918 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:33:28,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.05.cil-2.c [2019-09-06 11:33:28,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55de75548/30e2dfbf1ac04e799c55e3336f453332/FLAG9351aecc0 [2019-09-06 11:33:29,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55de75548/30e2dfbf1ac04e799c55e3336f453332 [2019-09-06 11:33:29,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:33:29,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:33:29,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:29,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:33:29,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:33:29,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:29" (1/1) ... [2019-09-06 11:33:29,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e667064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:29, skipping insertion in model container [2019-09-06 11:33:29,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:29" (1/1) ... [2019-09-06 11:33:29,287 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:33:29,345 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:33:29,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:29,589 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:33:29,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:29,787 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:33:29,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:29 WrapperNode [2019-09-06 11:33:29,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:29,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:33:29,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:33:29,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:33:29,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:29" (1/1) ... [2019-09-06 11:33:29,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:29" (1/1) ... [2019-09-06 11:33:29,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:29" (1/1) ... [2019-09-06 11:33:29,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:29" (1/1) ... [2019-09-06 11:33:29,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:29" (1/1) ... [2019-09-06 11:33:29,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:29" (1/1) ... [2019-09-06 11:33:29,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:29" (1/1) ... [2019-09-06 11:33:29,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:33:29,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:33:29,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:33:29,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:33:29,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:29" (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 11:33:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:33:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:33:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:33:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-06 11:33:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-06 11:33:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-06 11:33:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-09-06 11:33:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2019-09-06 11:33:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2019-09-06 11:33:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-06 11:33:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-06 11:33:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-06 11:33:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-09-06 11:33:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2019-09-06 11:33:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2019-09-06 11:33:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-06 11:33:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-06 11:33:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-06 11:33:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:33:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-06 11:33:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-06 11:33:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-06 11:33:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-06 11:33:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-06 11:33:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-06 11:33:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-06 11:33:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-06 11:33:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:33:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:33:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:33:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:33:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-06 11:33:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-06 11:33:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-06 11:33:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-09-06 11:33:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2019-09-06 11:33:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2019-09-06 11:33:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-06 11:33:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:33:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-06 11:33:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-06 11:33:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-06 11:33:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-09-06 11:33:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2019-09-06 11:33:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2019-09-06 11:33:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-06 11:33:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-06 11:33:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-06 11:33:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:33:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-06 11:33:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-06 11:33:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-06 11:33:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-06 11:33:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-06 11:33:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-06 11:33:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-06 11:33:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:33:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:33:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:33:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:33:30,718 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:33:30,719 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-09-06 11:33:30,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:30 BoogieIcfgContainer [2019-09-06 11:33:30,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:33:30,721 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:33:30,721 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:33:30,721 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:33:30,722 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:30" (1/1) ... [2019-09-06 11:33:30,723 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 11:33:30,753 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:33:30,754 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:33:30,770 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:33:30,780 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:33:30,782 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:33:30,926 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 163 for LOIs [2019-09-06 11:33:31,017 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 152 for LOIs [2019-09-06 11:34:04,069 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 124 for LOIs [2019-09-06 11:34:05,772 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 104 for LOIs [2019-09-06 11:34:05,780 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 84 for LOIs [2019-09-06 11:34:05,781 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:34:05,781 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:34:05,783 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 9750#(and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t1_pc~0) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 1 ~m_i~0) (<= 1 ~t4_i~0) (<= ~T4_E~0 2) (<= 2 ~M_E~0) (<= 2 ~T3_E~0) (<= 1 ~m_st~0) (<= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_M~0) (<= 0 ~t2_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= ~T1_E~0 2) (<= ~t2_i~0 1) (<= 2 ~T5_E~0) (<= ~T3_E~0 2) (<= ~M_E~0 2) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t1_i~0)) [2019-09-06 11:34:05,797 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:34:05,797 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:34:05,799 INFO L168 Benchmark]: Toolchain (without parser) took 36526.01 ms. Allocated memory was 140.0 MB in the beginning and 879.2 MB in the end (delta: 739.2 MB). Free memory was 87.3 MB in the beginning and 591.1 MB in the end (delta: -503.8 MB). Peak memory consumption was 235.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:34:05,800 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:34:05,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.52 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 87.1 MB in the beginning and 173.2 MB in the end (delta: -86.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:34:05,802 INFO L168 Benchmark]: Boogie Preprocessor took 84.07 ms. Allocated memory is still 200.3 MB. Free memory was 173.2 MB in the beginning and 170.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-06 11:34:05,803 INFO L168 Benchmark]: RCFGBuilder took 847.33 ms. Allocated memory is still 200.3 MB. Free memory was 170.3 MB in the beginning and 114.0 MB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:34:05,804 INFO L168 Benchmark]: Sifa took 35075.97 ms. Allocated memory was 200.3 MB in the beginning and 879.2 MB in the end (delta: 679.0 MB). Free memory was 114.0 MB in the beginning and 591.1 MB in the end (delta: -477.1 MB). Peak memory consumption was 201.8 MB. Max. memory is 7.1 GB. [2019-09-06 11:34:05,808 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 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 514.52 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 87.1 MB in the beginning and 173.2 MB in the end (delta: -86.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.07 ms. Allocated memory is still 200.3 MB. Free memory was 173.2 MB in the beginning and 170.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 847.33 ms. Allocated memory is still 200.3 MB. Free memory was 170.3 MB in the beginning and 114.0 MB in the end (delta: 56.4 MB). Peak memory consumption was 56.4 MB. Max. memory is 7.1 GB. * Sifa took 35075.97 ms. Allocated memory was 200.3 MB in the beginning and 879.2 MB in the end (delta: 679.0 MB). Free memory was 114.0 MB in the beginning and 591.1 MB in the end (delta: -477.1 MB). Peak memory consumption was 201.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 35030, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 6380, DAG_INTERPRETER_EARLY_EXITS: 42, TOOLS_POST_APPLICATIONS: 5021, TOOLS_POST_TIME[ms]: 2744, TOOLS_POST_CALL_APPLICATIONS: 770, TOOLS_POST_CALL_TIME[ms]: 1997, TOOLS_POST_RETURN_APPLICATIONS: 764, TOOLS_POST_RETURN_TIME[ms]: 3639, TOOLS_QUANTIFIERELIM_TIME[ms]: 6599, FLUID_QUERY_TIME[ms]: 130, FLUID_QUERIES: 6424, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2721, DOMAIN_JOIN_TIME[ms]: 4341, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 18, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6077, DOMAIN_ISSUBSETEQ_TIME[ms]: 15311, DOMAIN_ISBOTTOM_APPLICATIONS: 2333, DOMAIN_ISBOTTOM_TIME[ms]: 6152, LOOP_SUMMARIZER_APPLICATIONS: 33, LOOP_SUMMARIZER_CACHE_MISSES: 33, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 33922, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33921, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 44, CALL_SUMMARIZER_APPLICATIONS: 764, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33531, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 69, DAG_COMPRESSION_PROCESSED_NODES: 1868, DAG_COMPRESSION_RETAINED_NODES: 887 - 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 9750#(and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t1_pc~0) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 1 ~m_i~0) (<= 1 ~t4_i~0) (<= ~T4_E~0 2) (<= 2 ~M_E~0) (<= 2 ~T3_E~0) (<= 1 ~m_st~0) (<= ~m_pc~0 1) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_M~0) (<= 0 ~t2_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= ~T1_E~0 2) (<= ~t2_i~0 1) (<= 2 ~T5_E~0) (<= ~T3_E~0 2) (<= ~M_E~0 2) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t1_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...