java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:12:17,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:12:17,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:12:17,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:12:17,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:12:17,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:12:17,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:12:17,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:12:17,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:12:17,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:12:17,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:12:17,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:12:17,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:12:17,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:12:17,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:12:17,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:12:17,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:12:17,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:12:17,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:12:17,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:12:17,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:12:17,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:12:17,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:12:17,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:12:17,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:12:17,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:12:17,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:12:17,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:12:17,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:12:17,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:12:17,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:12:17,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:12:17,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:12:17,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:12:17,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:12:17,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:12:17,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:12:17,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:12:17,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:12:17,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:12:17,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:12:17,928 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 [2019-09-25 17:12:17,945 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:12:17,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:12:17,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:12:17,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:12:17,950 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:12:17,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:12:17,951 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:12:17,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:12:17,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:12:17,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:12:17,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:12:17,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:12:17,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:12:17,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:12:17,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:12:17,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:12:17,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:12:17,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:12:17,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:12:17,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:12:17,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:12:17,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:12:17,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:12:17,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:12:17,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:12:17,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:12:17,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:12:17,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:12:17,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:12:17,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:12:18,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:12:18,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:12:18,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:12:18,010 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:12:18,010 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-25 17:12:18,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ad737ea2/1a56a9406cfa461dadfbbd10181f6b04/FLAGcee4af763 [2019-09-25 17:12:18,628 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:12:18,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-09-25 17:12:18,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ad737ea2/1a56a9406cfa461dadfbbd10181f6b04/FLAGcee4af763 [2019-09-25 17:12:18,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ad737ea2/1a56a9406cfa461dadfbbd10181f6b04 [2019-09-25 17:12:19,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:12:19,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:12:19,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:19,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:12:19,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:12:19,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:18" (1/1) ... [2019-09-25 17:12:19,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc23acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:19, skipping insertion in model container [2019-09-25 17:12:19,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:18" (1/1) ... [2019-09-25 17:12:19,025 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:12:19,078 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:12:19,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:19,309 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:12:19,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:19,478 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:12:19,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:19 WrapperNode [2019-09-25 17:12:19,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:19,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:12:19,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:12:19,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:12:19,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:19" (1/1) ... [2019-09-25 17:12:19,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:19" (1/1) ... [2019-09-25 17:12:19,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:19" (1/1) ... [2019-09-25 17:12:19,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:19" (1/1) ... [2019-09-25 17:12:19,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:19" (1/1) ... [2019-09-25 17:12:19,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:19" (1/1) ... [2019-09-25 17:12:19,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:19" (1/1) ... [2019-09-25 17:12:19,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:12:19,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:12:19,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:12:19,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:12:19,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:19" (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 [2019-09-25 17:12:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:12:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:12:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-25 17:12:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-25 17:12:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-25 17:12:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-25 17:12:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-25 17:12:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-25 17:12:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-25 17:12:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-25 17:12:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-25 17:12:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-25 17:12:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-25 17:12:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-25 17:12:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-25 17:12:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-25 17:12:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-25 17:12:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-25 17:12:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-25 17:12:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-25 17:12:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:12:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:12:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-25 17:12:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-25 17:12:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-25 17:12:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-25 17:12:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:12:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-25 17:12:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-25 17:12:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-25 17:12:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-25 17:12:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-25 17:12:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-25 17:12:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-25 17:12:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-25 17:12:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-25 17:12:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-25 17:12:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-25 17:12:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-25 17:12:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-25 17:12:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-25 17:12:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:12:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:12:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:12:20,391 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:12:20,391 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-25 17:12:20,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:20 BoogieIcfgContainer [2019-09-25 17:12:20,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:12:20,394 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:12:20,394 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:12:20,395 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:12:20,396 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:20" (1/1) ... [2019-09-25 17:12:20,397 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:12:20,427 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:12:20,427 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:12:20,441 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:12:20,454 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:12:20,459 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:12:20,601 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-25 17:12:20,622 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 48 for LOIs [2019-09-25 17:12:21,753 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 30 for LOIs [2019-09-25 17:12:21,899 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 25 for LOIs [2019-09-25 17:12:21,901 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 18 for LOIs [2019-09-25 17:12:21,903 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:12:21,904 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:12:21,918 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 811#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_i~0 1) (= ~t1_i~0 1) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))) [2019-09-25 17:12:21,934 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:12:21,934 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:12:21,937 INFO L168 Benchmark]: Toolchain (without parser) took 2927.90 ms. Allocated memory was 141.6 MB in the beginning and 229.1 MB in the end (delta: 87.6 MB). Free memory was 89.3 MB in the beginning and 85.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:21,939 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:12:21,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.87 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 89.1 MB in the beginning and 177.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:21,942 INFO L168 Benchmark]: Boogie Preprocessor took 42.73 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 175.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:21,944 INFO L168 Benchmark]: RCFGBuilder took 871.71 ms. Allocated memory is still 201.3 MB. Free memory was 174.8 MB in the beginning and 121.6 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:21,950 INFO L168 Benchmark]: Sifa took 1539.92 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 121.6 MB in the beginning and 85.4 MB in the end (delta: 36.2 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:21,963 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 469.87 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 89.1 MB in the beginning and 177.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.73 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 175.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 871.71 ms. Allocated memory is still 201.3 MB. Free memory was 174.8 MB in the beginning and 121.6 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. * Sifa took 1539.92 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 121.6 MB in the beginning and 85.4 MB in the end (delta: 36.2 MB). Peak memory consumption was 63.9 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]: 1492, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 382, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 260, TOOLS_POST_TIME[ms]: 106, TOOLS_POST_CALL_APPLICATIONS: 88, TOOLS_POST_CALL_TIME[ms]: 191, TOOLS_POST_RETURN_APPLICATIONS: 83, TOOLS_POST_RETURN_TIME[ms]: 101, TOOLS_QUANTIFIERELIM_APPLICATIONS: 431, TOOLS_QUANTIFIERELIM_TIME[ms]: 276, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 398, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 113, DOMAIN_JOIN_TIME[ms]: 739, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 19, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 69, DOMAIN_ISBOTTOM_TIME[ms]: 125, LOOP_SUMMARIZER_APPLICATIONS: 14, LOOP_SUMMARIZER_CACHE_MISSES: 14, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 998, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 997, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 83, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 985, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 985, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 385, DAG_COMPRESSION_RETAINED_NODES: 216 - 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 811#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_i~0 1) (= ~t1_i~0 1) (= ~m_st~0 1) (not (= ~token~0 (+ ~local~0 1)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...