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.06.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:33:32,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:33:32,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:33:32,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:33:32,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:33:32,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:33:32,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:33:32,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:33:32,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:33:32,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:33:32,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:33:32,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:33:32,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:33:32,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:33:32,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:33:32,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:33:32,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:33:32,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:33:32,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:33:32,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:33:32,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:33:32,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:33:32,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:33:32,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:33:32,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:33:32,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:33:32,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:33:32,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:33:32,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:33:32,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:33:32,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:33:32,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:33:32,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:33:32,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:33:32,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:33:32,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:33:32,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:33:32,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:33:32,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:33:32,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:33:32,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:33:32,310 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 11:33:32,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:33:32,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:33:32,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:33:32,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:33:32,326 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:33:32,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:33:32,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:33:32,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:33:32,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:33:32,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:33:32,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:33:32,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:33:32,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:33:32,327 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:33:32,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:33:32,328 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:33:32,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:33:32,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:33:32,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:33:32,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:33:32,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:33:32,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:33:32,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:33:32,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:33:32,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:33:32,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:33:32,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:33:32,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:33:32,330 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 11:33:32,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:33:32,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:33:32,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:33:32,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:33:32,377 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:33:32,378 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.06.cil-1.c [2019-09-06 11:33:32,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc28ecc0e/fd0a075f7d0848eb88e3ce1a624a0eb5/FLAG94b75e944 [2019-09-06 11:33:32,939 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:33:32,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.06.cil-1.c [2019-09-06 11:33:32,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc28ecc0e/fd0a075f7d0848eb88e3ce1a624a0eb5/FLAG94b75e944 [2019-09-06 11:33:33,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc28ecc0e/fd0a075f7d0848eb88e3ce1a624a0eb5 [2019-09-06 11:33:33,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:33:33,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:33:33,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:33,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:33:33,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:33:33,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:33" (1/1) ... [2019-09-06 11:33:33,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4d15ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:33, skipping insertion in model container [2019-09-06 11:33:33,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:33" (1/1) ... [2019-09-06 11:33:33,317 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:33:33,380 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:33:33,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:33,763 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:33:33,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:33,851 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:33:33,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:33 WrapperNode [2019-09-06 11:33:33,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:33,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:33:33,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:33:33,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:33:33,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:33" (1/1) ... [2019-09-06 11:33:33,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:33" (1/1) ... [2019-09-06 11:33:33,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:33" (1/1) ... [2019-09-06 11:33:33,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:33" (1/1) ... [2019-09-06 11:33:33,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:33" (1/1) ... [2019-09-06 11:33:33,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:33" (1/1) ... [2019-09-06 11:33:33,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:33" (1/1) ... [2019-09-06 11:33:33,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:33:33,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:33:33,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:33:33,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:33:33,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:33" (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 11:33:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:33:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:33:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:33:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-06 11:33:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-06 11:33:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-06 11:33:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-09-06 11:33:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2019-09-06 11:33:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2019-09-06 11:33:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2019-09-06 11:33:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-06 11:33:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-06 11:33:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-06 11:33:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-09-06 11:33:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2019-09-06 11:33:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2019-09-06 11:33:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2019-09-06 11:33:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-06 11:33:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-06 11:33:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-06 11:33:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:33:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-06 11:33:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-06 11:33:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-06 11:33:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-06 11:33:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-06 11:33:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-06 11:33:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-06 11:33:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-06 11:33:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:33:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:33:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:33:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:33:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-06 11:33:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-06 11:33:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-06 11:33:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-09-06 11:33:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2019-09-06 11:33:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2019-09-06 11:33:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2019-09-06 11:33:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-06 11:33:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:33:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-06 11:33:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-06 11:33:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-06 11:33:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-09-06 11:33:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2019-09-06 11:33:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2019-09-06 11:33:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2019-09-06 11:33:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-06 11:33:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-06 11:33:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-06 11:33:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:33:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-06 11:33:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-06 11:33:34,002 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-06 11:33:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-06 11:33:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-06 11:33:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-06 11:33:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-06 11:33:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:33:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:33:34,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:33:34,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:33:34,889 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:33:34,890 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-06 11:33:34,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:34 BoogieIcfgContainer [2019-09-06 11:33:34,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:33:34,892 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:33:34,892 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:33:34,893 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:33:34,894 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:34" (1/1) ... [2019-09-06 11:33:34,895 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 11:33:34,928 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:33:34,929 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:33:34,952 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:33:34,963 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:33:34,965 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:33:35,092 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 188 for LOIs [2019-09-06 11:33:35,196 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 175 for LOIs [2019-09-06 11:33:46,188 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 177 for LOIs [2019-09-06 11:33:47,187 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 132 for LOIs [2019-09-06 11:33:47,204 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 117 for LOIs [2019-09-06 11:33:47,205 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:33:47,206 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:33:47,208 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3715#(or (and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= ~t1_pc~0 1) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T6_E~0) (<= 2 ~T2_E~0) (<= 0 (+ ~token~0 2147483642)) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t2_st~0 2) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t1_pc~0) (<= 0 ~t6_pc~0) (<= ~T6_E~0 2) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= ~t2_pc~0 1) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= 1 ~t6_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 1 ~m_i~0) (<= ~t1_st~0 2) (<= 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) (<= ~t6_i~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_6~0) (<= 2 ~E_M~0) (<= ~E_6~0 2) (<= 0 ~t2_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= ~T1_E~0 2) (<= ~t2_i~0 1) (<= 2 ~T5_E~0) (<= ~token~0 2147483653) (<= ~T3_E~0 2) (<= ~M_E~0 2) (<= ~local~0 2147483647) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 0 ~t6_st~0) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t1_i~0)) (and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= ~t1_pc~0 1) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T6_E~0) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t2_st~0 2) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t1_pc~0) (<= 0 ~t6_pc~0) (<= ~T6_E~0 2) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= ~t2_pc~0 1) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= 1 ~t6_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 1 ~m_i~0) (<= ~t1_st~0 2) (<= 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) (<= ~t6_i~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_6~0) (<= 2 ~E_M~0) (<= ~E_6~0 2) (<= 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) (<= ~local~0 2147483647) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 0 ~t6_st~0) (<= 0 (+ ~token~0 2147483648)) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t1_i~0))) [2019-09-06 11:33:47,230 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:33:47,230 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:33:47,233 INFO L168 Benchmark]: Toolchain (without parser) took 13931.73 ms. Allocated memory was 133.7 MB in the beginning and 555.2 MB in the end (delta: 421.5 MB). Free memory was 89.5 MB in the beginning and 118.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 392.3 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:47,234 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 11:33:47,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.42 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 89.5 MB in the beginning and 172.2 MB in the end (delta: -82.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:47,236 INFO L168 Benchmark]: Boogie Preprocessor took 69.70 ms. Allocated memory is still 201.3 MB. Free memory was 172.2 MB in the beginning and 168.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:47,237 INFO L168 Benchmark]: RCFGBuilder took 969.29 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 106.8 MB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:47,238 INFO L168 Benchmark]: Sifa took 12338.38 ms. Allocated memory was 201.3 MB in the beginning and 555.2 MB in the end (delta: 353.9 MB). Free memory was 105.9 MB in the beginning and 118.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 341.0 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:47,241 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 133.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 550.42 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 89.5 MB in the beginning and 172.2 MB in the end (delta: -82.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.70 ms. Allocated memory is still 201.3 MB. Free memory was 172.2 MB in the beginning and 168.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 969.29 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 106.8 MB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 7.1 GB. * Sifa took 12338.38 ms. Allocated memory was 201.3 MB in the beginning and 555.2 MB in the end (delta: 353.9 MB). Free memory was 105.9 MB in the beginning and 118.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 341.0 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]: 12280, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2573, DAG_INTERPRETER_EARLY_EXITS: 40, TOOLS_POST_APPLICATIONS: 2134, TOOLS_POST_TIME[ms]: 1296, TOOLS_POST_CALL_APPLICATIONS: 270, TOOLS_POST_CALL_TIME[ms]: 986, TOOLS_POST_RETURN_APPLICATIONS: 264, TOOLS_POST_RETURN_TIME[ms]: 1112, TOOLS_QUANTIFIERELIM_TIME[ms]: 2539, FLUID_QUERY_TIME[ms]: 71, FLUID_QUERIES: 2578, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 955, DOMAIN_JOIN_TIME[ms]: 2007, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1292, DOMAIN_ISSUBSETEQ_TIME[ms]: 3986, DOMAIN_ISBOTTOM_APPLICATIONS: 796, DOMAIN_ISBOTTOM_TIME[ms]: 2414, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9885, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9884, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 264, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10907, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 52, DAG_COMPRESSION_PROCESSED_NODES: 1472, DAG_COMPRESSION_RETAINED_NODES: 719 - 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 3715#(or (and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= ~t1_pc~0 1) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T6_E~0) (<= 2 ~T2_E~0) (<= 0 (+ ~token~0 2147483642)) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t2_st~0 2) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t1_pc~0) (<= 0 ~t6_pc~0) (<= ~T6_E~0 2) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= ~t2_pc~0 1) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= 1 ~t6_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 1 ~m_i~0) (<= ~t1_st~0 2) (<= 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) (<= ~t6_i~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_6~0) (<= 2 ~E_M~0) (<= ~E_6~0 2) (<= 0 ~t2_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= ~T1_E~0 2) (<= ~t2_i~0 1) (<= 2 ~T5_E~0) (<= ~token~0 2147483653) (<= ~T3_E~0 2) (<= ~M_E~0 2) (<= ~local~0 2147483647) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 0 ~t6_st~0) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t1_i~0)) (and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= ~t1_pc~0 1) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T6_E~0) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t2_st~0 2) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t1_pc~0) (<= 0 ~t6_pc~0) (<= ~T6_E~0 2) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= ~t2_pc~0 1) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= 1 ~t6_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 1 ~m_i~0) (<= ~t1_st~0 2) (<= 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) (<= ~t6_i~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_6~0) (<= 2 ~E_M~0) (<= ~E_6~0 2) (<= 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) (<= ~local~0 2147483647) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 0 ~t6_st~0) (<= 0 (+ ~token~0 2147483648)) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= ~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...