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_QUICK -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:12:16,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:12:16,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:12:16,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:12:16,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:12:16,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:12:16,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:12:16,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:12:16,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:12:16,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:12:16,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:12:16,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:12:16,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:12:16,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:12:16,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:12:16,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:12:16,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:12:16,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:12:16,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:12:16,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:12:16,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:12:16,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:12:16,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:12:16,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:12:16,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:12:16,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:12:16,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:12:16,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:12:16,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:12:16,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:12:16,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:12:16,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:12:16,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:12:16,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:12:16,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:12:16,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:12:16,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:12:16,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:12:16,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:12:16,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:12:16,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:12:16,766 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 [2019-09-17 06:12:16,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:12:16,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:12:16,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:12:16,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:12:16,794 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:12:16,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:12:16,794 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:12:16,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:12:16,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:12:16,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:12:16,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:12:16,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:12:16,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:12:16,797 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:12:16,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:12:16,797 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:12:16,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:12:16,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:12:16,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:12:16,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:12:16,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:12:16,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:12:16,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:12:16,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:12:16,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:12:16,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:12:16,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:12:16,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:12:16,800 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_QUICK [2019-09-17 06:12:16,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:12:16,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:12:16,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:12:16,886 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:12:16,886 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:12:16,887 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-17 06:12:16,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5508a8a42/4ba042bda65a4ed5873e112c253444ba/FLAG40486ab1d [2019-09-17 06:12:17,397 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:12:17,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-17 06:12:17,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5508a8a42/4ba042bda65a4ed5873e112c253444ba/FLAG40486ab1d [2019-09-17 06:12:17,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5508a8a42/4ba042bda65a4ed5873e112c253444ba [2019-09-17 06:12:17,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:12:17,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:12:17,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:12:17,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:12:17,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:12:17,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:12:17" (1/1) ... [2019-09-17 06:12:17,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e017a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:17, skipping insertion in model container [2019-09-17 06:12:17,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:12:17" (1/1) ... [2019-09-17 06:12:17,840 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:12:17,886 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:12:18,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:12:18,243 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:12:18,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:12:18,411 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:12:18,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:18 WrapperNode [2019-09-17 06:12:18,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:12:18,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:12:18,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:12:18,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:12:18,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:18" (1/1) ... [2019-09-17 06:12:18,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:18" (1/1) ... [2019-09-17 06:12:18,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:18" (1/1) ... [2019-09-17 06:12:18,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:18" (1/1) ... [2019-09-17 06:12:18,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:18" (1/1) ... [2019-09-17 06:12:18,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:18" (1/1) ... [2019-09-17 06:12:18,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:18" (1/1) ... [2019-09-17 06:12:18,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:12:18,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:12:18,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:12:18,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:12:18,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:12:18" (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 [2019-09-17 06:12:18,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:12:18,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:12:18,529 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-17 06:12:18,530 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-17 06:12:18,530 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-17 06:12:18,530 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-17 06:12:18,530 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-17 06:12:18,530 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-17 06:12:18,530 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-17 06:12:18,531 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-17 06:12:18,531 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-17 06:12:18,531 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-17 06:12:18,531 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-17 06:12:18,531 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-17 06:12:18,531 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-17 06:12:18,532 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-17 06:12:18,532 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-17 06:12:18,532 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-17 06:12:18,532 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-17 06:12:18,533 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-17 06:12:18,533 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-17 06:12:18,533 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-17 06:12:18,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:12:18,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:12:18,533 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-17 06:12:18,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-17 06:12:18,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-17 06:12:18,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-17 06:12:18,534 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-17 06:12:18,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:12:18,534 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-17 06:12:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-17 06:12:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-17 06:12:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-17 06:12:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-17 06:12:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-17 06:12:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-17 06:12:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-17 06:12:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-17 06:12:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-17 06:12:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-17 06:12:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-17 06:12:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-17 06:12:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-17 06:12:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-17 06:12:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:12:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:12:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:12:19,579 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:12:19,580 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:12:19,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:12:19 BoogieIcfgContainer [2019-09-17 06:12:19,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:12:19,582 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:12:19,582 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:12:19,582 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:12:19,584 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:12:19" (1/1) ... [2019-09-17 06:12:19,584 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-17 06:12:19,607 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:12:19,608 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:12:19,617 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:12:19,627 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:12:19,629 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:12:19,785 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 71 for LOIs [2019-09-17 06:12:19,844 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 66 for LOIs [2019-09-17 06:12:19,968 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-17 06:12:20,289 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-17 06:12:20,819 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-17 06:12:20,827 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-17 06:12:20,890 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 34 for LOIs [2019-09-17 06:12:21,170 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 24 for LOIs [2019-09-17 06:12:21,176 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 9 for LOIs [2019-09-17 06:12:21,177 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:12:21,178 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:12:21,180 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 850#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1)) [2019-09-17 06:12:21,192 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:12:21,192 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:12:21,195 INFO L168 Benchmark]: Toolchain (without parser) took 3381.38 ms. Allocated memory was 131.6 MB in the beginning and 266.9 MB in the end (delta: 135.3 MB). Free memory was 86.6 MB in the beginning and 212.8 MB in the end (delta: -126.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:21,196 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:12:21,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.47 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.4 MB in the beginning and 171.5 MB in the end (delta: -85.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:21,198 INFO L168 Benchmark]: Boogie Preprocessor took 49.45 ms. Allocated memory is still 198.2 MB. Free memory was 171.5 MB in the beginning and 169.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:21,198 INFO L168 Benchmark]: RCFGBuilder took 1119.22 ms. Allocated memory is still 198.2 MB. Free memory was 169.0 MB in the beginning and 96.4 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 7.1 GB. [2019-09-17 06:12:21,199 INFO L168 Benchmark]: Sifa took 1610.52 ms. Allocated memory was 198.2 MB in the beginning and 266.9 MB in the end (delta: 68.7 MB). Free memory was 96.4 MB in the beginning and 212.8 MB in the end (delta: -116.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 06:12:21,203 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 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 595.47 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.4 MB in the beginning and 171.5 MB in the end (delta: -85.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.45 ms. Allocated memory is still 198.2 MB. Free memory was 171.5 MB in the beginning and 169.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1119.22 ms. Allocated memory is still 198.2 MB. Free memory was 169.0 MB in the beginning and 96.4 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 7.1 GB. * Sifa took 1610.52 ms. Allocated memory was 198.2 MB in the beginning and 266.9 MB in the end (delta: 68.7 MB). Free memory was 96.4 MB in the beginning and 212.8 MB in the end (delta: -116.4 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]: 1573, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 270, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 187, TOOLS_POST_TIME[ms]: 112, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 163, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 91, TOOLS_QUANTIFIERELIM_APPLICATIONS: 295, TOOLS_QUANTIFIERELIM_TIME[ms]: 260, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 274, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 97, DOMAIN_JOIN_TIME[ms]: 686, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME[ms]: 204, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 72, DOMAIN_ISBOTTOM_TIME[ms]: 110, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 867, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 864, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 820, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 819, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 16, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 51, 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 850#(and (= ~m_pc~0 1) (not (= ~m_pc~0 0)) (= ~m_st~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...