java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:25:54,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:25:54,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:25:54,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:25:54,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:25:54,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:25:54,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:25:54,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:25:54,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:25:54,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:25:54,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:25:54,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:25:54,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:25:54,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:25:54,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:25:54,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:25:54,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:25:54,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:25:54,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:25:54,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:25:54,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:25:54,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:25:54,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:25:54,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:25:54,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:25:54,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:25:54,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:25:54,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:25:54,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:25:54,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:25:54,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:25:54,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:25:54,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:25:54,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:25:54,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:25:54,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:25:54,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:25:54,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:25:54,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:25:54,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:25:54,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:25:54,914 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 [2019-09-20 14:25:54,933 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:25:54,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:25:54,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:25:54,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:25:54,936 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:25:54,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:25:54,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:25:54,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:25:54,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:25:54,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:25:54,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:25:54,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:25:54,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:25:54,939 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:25:54,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:25:54,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:25:54,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:25:54,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:25:54,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:25:54,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:25:54,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:25:54,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:25:54,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:25:54,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:25:54,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:25:54,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:25:54,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:25:54,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:25:54,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 14:25:54,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:25:55,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:25:55,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:25:55,023 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:25:55,023 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:25:55,024 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-20 14:25:55,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/954198986/1cd1d7bb09814500bbc3071e3a55ae4c/FLAG72783ab07 [2019-09-20 14:25:55,542 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:25:55,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-20 14:25:55,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/954198986/1cd1d7bb09814500bbc3071e3a55ae4c/FLAG72783ab07 [2019-09-20 14:25:55,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/954198986/1cd1d7bb09814500bbc3071e3a55ae4c [2019-09-20 14:25:55,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:25:55,905 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:25:55,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:55,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:25:55,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:25:55,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:55" (1/1) ... [2019-09-20 14:25:55,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702abad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:55, skipping insertion in model container [2019-09-20 14:25:55,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:25:55" (1/1) ... [2019-09-20 14:25:55,920 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:25:55,957 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:25:56,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:56,188 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:25:56,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:25:56,352 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:25:56,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:56 WrapperNode [2019-09-20 14:25:56,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:25:56,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:25:56,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:25:56,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:25:56,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:56" (1/1) ... [2019-09-20 14:25:56,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:56" (1/1) ... [2019-09-20 14:25:56,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:56" (1/1) ... [2019-09-20 14:25:56,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:56" (1/1) ... [2019-09-20 14:25:56,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:56" (1/1) ... [2019-09-20 14:25:56,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:56" (1/1) ... [2019-09-20 14:25:56,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:56" (1/1) ... [2019-09-20 14:25:56,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:25:56,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:25:56,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:25:56,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:25:56,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:25:56" (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 [2019-09-20 14:25:56,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:25:56,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:25:56,462 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 14:25:56,462 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 14:25:56,462 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 14:25:56,463 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-20 14:25:56,463 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 14:25:56,463 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 14:25:56,463 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-20 14:25:56,463 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 14:25:56,463 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 14:25:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 14:25:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 14:25:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 14:25:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 14:25:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 14:25:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 14:25:56,465 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 14:25:56,465 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 14:25:56,465 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 14:25:56,465 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 14:25:56,465 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 14:25:56,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:25:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:25:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 14:25:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 14:25:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 14:25:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-20 14:25:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 14:25:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:25:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 14:25:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 14:25:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-20 14:25:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 14:25:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 14:25:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 14:25:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 14:25:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 14:25:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 14:25:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 14:25:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 14:25:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 14:25:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 14:25:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 14:25:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 14:25:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:25:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:25:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:25:57,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:25:57,446 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 14:25:57,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:57 BoogieIcfgContainer [2019-09-20 14:25:57,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:25:57,449 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:25:57,449 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:25:57,449 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:25:57,450 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:25:57" (1/1) ... [2019-09-20 14:25:57,451 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 14:25:57,474 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:25:57,474 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:25:57,483 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:25:57,493 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:25:57,494 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:25:57,677 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-20 14:25:57,720 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-20 14:25:59,133 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-20 14:25:59,440 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-20 14:26:00,245 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-09-20 14:26:00,673 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-20 14:26:00,969 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-20 14:26:01,650 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2019-09-20 14:26:01,831 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:26:01,948 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-09-20 14:26:02,436 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2019-09-20 14:26:02,627 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:26:02,896 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 14:26:03,164 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 14:26:03,468 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-20 14:26:03,925 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-20 14:26:05,136 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-20 14:26:05,433 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-20 14:26:05,972 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2019-09-20 14:26:06,099 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 14:26:06,492 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 77 [2019-09-20 14:26:06,672 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:26:06,687 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 69 for LOIs [2019-09-20 14:26:07,075 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 90 [2019-09-20 14:26:07,230 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 14:26:07,796 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2019-09-20 14:26:08,076 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 14:26:08,855 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2019-09-20 14:26:09,233 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 88 [2019-09-20 14:26:09,392 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 14:26:09,861 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-20 14:26:10,234 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2019-09-20 14:26:10,525 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-20 14:26:10,933 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2019-09-20 14:26:11,067 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 14:26:11,434 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2019-09-20 14:26:11,664 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-20 14:26:12,121 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-20 14:26:12,330 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 24 for LOIs [2019-09-20 14:26:12,373 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 6 for LOIs [2019-09-20 14:26:12,381 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:26:12,382 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:26:12,386 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 770#(and (= ~m_pc~0 1) (= ~m_st~0 1)) [2019-09-20 14:26:12,404 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:26:12,405 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:26:12,407 INFO L168 Benchmark]: Toolchain (without parser) took 16500.91 ms. Allocated memory was 136.3 MB in the beginning and 498.1 MB in the end (delta: 361.8 MB). Free memory was 83.8 MB in the beginning and 464.9 MB in the end (delta: -381.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 14:26:12,409 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:26:12,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.48 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 83.6 MB in the beginning and 172.8 MB in the end (delta: -89.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:12,417 INFO L168 Benchmark]: Boogie Preprocessor took 49.08 ms. Allocated memory is still 197.7 MB. Free memory was 172.8 MB in the beginning and 169.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:12,418 INFO L168 Benchmark]: RCFGBuilder took 1045.64 ms. Allocated memory is still 197.7 MB. Free memory was 169.8 MB in the beginning and 95.5 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. [2019-09-20 14:26:12,420 INFO L168 Benchmark]: Sifa took 14956.25 ms. Allocated memory was 197.7 MB in the beginning and 498.1 MB in the end (delta: 300.4 MB). Free memory was 95.5 MB in the beginning and 464.9 MB in the end (delta: -369.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 14:26:12,434 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 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 446.48 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 83.6 MB in the beginning and 172.8 MB in the end (delta: -89.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.08 ms. Allocated memory is still 197.7 MB. Free memory was 172.8 MB in the beginning and 169.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1045.64 ms. Allocated memory is still 197.7 MB. Free memory was 169.8 MB in the beginning and 95.5 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. * Sifa took 14956.25 ms. Allocated memory was 197.7 MB in the beginning and 498.1 MB in the end (delta: 300.4 MB). Free memory was 95.5 MB in the beginning and 464.9 MB in the end (delta: -369.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 14912, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 365, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 249, TOOLS_POST_TIME[ms]: 114, TOOLS_POST_CALL_APPLICATIONS: 80, TOOLS_POST_CALL_TIME[ms]: 207, TOOLS_POST_RETURN_APPLICATIONS: 74, TOOLS_POST_RETURN_TIME[ms]: 104, TOOLS_QUANTIFIERELIM_APPLICATIONS: 403, TOOLS_QUANTIFIERELIM_TIME[ms]: 303, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 371, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 132, DOMAIN_JOIN_TIME[ms]: 13243, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 37, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 810, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 42, DOMAIN_ISBOTTOM_APPLICATIONS: 104, DOMAIN_ISBOTTOM_TIME[ms]: 191, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13926, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13925, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 74, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6213, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6212, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 480, DAG_COMPRESSION_RETAINED_NODES: 253 - 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 770#(and (= ~m_pc~0 1) (= ~m_st~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...