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 --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/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:44:28,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:44:28,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:44:28,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:44:28,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:44:28,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:44:28,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:44:28,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:44:28,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:44:28,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:44:28,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:44:28,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:44:28,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:44:28,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:44:28,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:44:28,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:44:28,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:44:28,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:44:28,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:44:28,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:44:28,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:44:28,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:44:28,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:44:28,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:44:28,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:44:28,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:44:28,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:44:28,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:44:28,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:44:28,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:44:28,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:44:28,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:44:28,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:44:28,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:44:28,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:44:28,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:44:28,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:44:28,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:44:28,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:44:28,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:44:28,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:44:28,494 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 16:44:28,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:44:28,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:44:28,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:44:28,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:44:28,516 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:44:28,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:44:28,517 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:44:28,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:44:28,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:44:28,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:44:28,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:44:28,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:44:28,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:44:28,518 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:44:28,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:44:28,519 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:44:28,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:44:28,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:44:28,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:44:28,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:44:28,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:44:28,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:44:28,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:44:28,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:44:28,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:44:28,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:44:28,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:44:28,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:44:28,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 16:44:28,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:44:28,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:44:28,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:44:28,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:44:28,609 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:44:28,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 16:44:28,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c100b903/8c6a61282f2647d28cda4cf1c6bc859e/FLAGba9032f0b [2019-09-20 16:44:29,128 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:44:29,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-20 16:44:29,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c100b903/8c6a61282f2647d28cda4cf1c6bc859e/FLAGba9032f0b [2019-09-20 16:44:29,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c100b903/8c6a61282f2647d28cda4cf1c6bc859e [2019-09-20 16:44:29,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:44:29,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:44:29,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:44:29,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:44:29,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:44:29,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:44:29" (1/1) ... [2019-09-20 16:44:29,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffeda8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:29, skipping insertion in model container [2019-09-20 16:44:29,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:44:29" (1/1) ... [2019-09-20 16:44:29,502 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:44:29,547 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:44:29,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:44:29,797 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:44:29,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:44:29,968 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:44:29,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:29 WrapperNode [2019-09-20 16:44:29,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:44:29,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:44:29,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:44:29,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:44:29,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:29" (1/1) ... [2019-09-20 16:44:29,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:29" (1/1) ... [2019-09-20 16:44:29,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:29" (1/1) ... [2019-09-20 16:44:29,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:29" (1/1) ... [2019-09-20 16:44:29,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:29" (1/1) ... [2019-09-20 16:44:30,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:29" (1/1) ... [2019-09-20 16:44:30,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:29" (1/1) ... [2019-09-20 16:44:30,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:44:30,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:44:30,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:44:30,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:44:30,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:44:30,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:44:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:44:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 16:44:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-20 16:44:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-20 16:44:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-20 16:44:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-20 16:44:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-20 16:44:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-20 16:44:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 16:44:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 16:44:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 16:44:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 16:44:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 16:44:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 16:44:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 16:44:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 16:44:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 16:44:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 16:44:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 16:44:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 16:44:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 16:44:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:44:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:44:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:44:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 16:44:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 16:44:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-20 16:44:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-20 16:44:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-20 16:44:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-20 16:44:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-20 16:44:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-20 16:44:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 16:44:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 16:44:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 16:44:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 16:44:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 16:44:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 16:44:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 16:44:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 16:44:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 16:44:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 16:44:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 16:44:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 16:44:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:44:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:44:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:44:30,853 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:44:30,853 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 16:44:30,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:44:30 BoogieIcfgContainer [2019-09-20 16:44:30,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:44:30,855 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:44:30,855 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:44:30,855 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:44:30,857 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:44:30" (1/1) ... [2019-09-20 16:44:30,857 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:44:30,885 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:44:30,886 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:44:30,900 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:44:30,911 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:44:30,913 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:44:31,134 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 16:44:31,153 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 16:44:31,212 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 68 for LOIs [2019-09-20 16:44:35,634 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 16:44:39,150 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 16:44:39,423 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 16:44:39,733 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-20 16:44:40,176 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 16:44:40,182 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 69 for LOIs [2019-09-20 16:44:40,453 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-09-20 16:44:41,541 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-09-20 16:44:42,512 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-20 16:44:43,485 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-09-20 16:44:44,400 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-20 16:44:44,464 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 35 for LOIs [2019-09-20 16:44:44,952 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-09-20 16:44:44,954 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 34 for LOIs [2019-09-20 16:44:44,978 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 36 for LOIs [2019-09-20 16:44:44,980 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 36 for LOIs [2019-09-20 16:44:45,042 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 29 for LOIs [2019-09-20 16:44:45,101 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:44:45,101 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:44:45,104 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2422#(or (and (<= 1 ~P_1_i~0) (<= ~C_1_pr~0 0) (<= ~P_1_st~0 1) (<= 0 ~C_1_pr~0) (<= ~C_1_i~0 1) (<= 2 ~max_loop~0) (<= 0 ~e~0) (<= 1 ~P_1_st~0) (<= ~e~0 0) (<= ~max_loop~0 2) (<= ~i~0 2) (<= ~P_1_i~0 1) (<= 1 ~C_1_i~0)) (and (<= 1 ~P_1_i~0) (<= ~e~0 0) (<= ~C_1_st~0 1) (<= ~max_loop~0 2) (<= 1 ~C_1_st~0) (<= ~C_1_pr~0 0) (<= ~P_1_i~0 1) (<= 1 ~C_1_i~0) (<= 0 ~C_1_pr~0) (<= ~C_1_i~0 1) (<= 2 ~max_loop~0) (<= 0 ~e~0))) [2019-09-20 16:44:45,123 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:44:45,123 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:44:45,125 INFO L168 Benchmark]: Toolchain (without parser) took 15643.19 ms. Allocated memory was 138.4 MB in the beginning and 474.5 MB in the end (delta: 336.1 MB). Free memory was 85.8 MB in the beginning and 127.4 MB in the end (delta: -41.5 MB). Peak memory consumption was 294.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:45,126 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:44:45,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.93 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.6 MB in the beginning and 174.1 MB in the end (delta: -88.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:45,128 INFO L168 Benchmark]: Boogie Preprocessor took 42.53 ms. Allocated memory is still 198.7 MB. Free memory was 174.1 MB in the beginning and 172.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:45,129 INFO L168 Benchmark]: RCFGBuilder took 842.57 ms. Allocated memory is still 198.7 MB. Free memory was 172.2 MB in the beginning and 124.1 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:45,130 INFO L168 Benchmark]: Sifa took 14268.23 ms. Allocated memory was 198.7 MB in the beginning and 474.5 MB in the end (delta: 275.8 MB). Free memory was 124.1 MB in the beginning and 127.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 272.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:45,134 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 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 485.93 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.6 MB in the beginning and 174.1 MB in the end (delta: -88.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.53 ms. Allocated memory is still 198.7 MB. Free memory was 174.1 MB in the beginning and 172.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 842.57 ms. Allocated memory is still 198.7 MB. Free memory was 172.2 MB in the beginning and 124.1 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. * Sifa took 14268.23 ms. Allocated memory was 198.7 MB in the beginning and 474.5 MB in the end (delta: 275.8 MB). Free memory was 124.1 MB in the beginning and 127.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 272.5 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]: 14219, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1751, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 1357, TOOLS_POST_TIME[ms]: 345, TOOLS_POST_CALL_APPLICATIONS: 290, TOOLS_POST_CALL_TIME[ms]: 362, TOOLS_POST_RETURN_APPLICATIONS: 280, TOOLS_POST_RETURN_TIME[ms]: 185, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1926, TOOLS_QUANTIFIERELIM_TIME[ms]: 583, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 21, FLUID_QUERY_TIME[ms]: 33, FLUID_QUERIES: 1899, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 435, DOMAIN_JOIN_TIME[ms]: 12517, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 58, DOMAIN_WIDEN_TIME[ms]: 39, DOMAIN_ISSUBSETEQ_APPLICATIONS: 148, DOMAIN_ISSUBSETEQ_TIME[ms]: 91, DOMAIN_ISBOTTOM_APPLICATIONS: 254, DOMAIN_ISBOTTOM_TIME[ms]: 363, LOOP_SUMMARIZER_APPLICATIONS: 90, LOOP_SUMMARIZER_CACHE_MISSES: 90, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10997, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10995, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 148, CALL_SUMMARIZER_APPLICATIONS: 280, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 7339, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7335, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 65, DAG_COMPRESSION_PROCESSED_NODES: 798, DAG_COMPRESSION_RETAINED_NODES: 327 - UnprovableResult [Line: 9]: 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 2422#(or (and (<= 1 ~P_1_i~0) (<= ~C_1_pr~0 0) (<= ~P_1_st~0 1) (<= 0 ~C_1_pr~0) (<= ~C_1_i~0 1) (<= 2 ~max_loop~0) (<= 0 ~e~0) (<= 1 ~P_1_st~0) (<= ~e~0 0) (<= ~max_loop~0 2) (<= ~i~0 2) (<= ~P_1_i~0 1) (<= 1 ~C_1_i~0)) (and (<= 1 ~P_1_i~0) (<= ~e~0 0) (<= ~C_1_st~0 1) (<= ~max_loop~0 2) (<= 1 ~C_1_st~0) (<= ~C_1_pr~0 0) (<= ~P_1_i~0 1) (<= 1 ~C_1_i~0) (<= 0 ~C_1_pr~0) (<= ~C_1_i~0 1) (<= 2 ~max_loop~0) (<= 0 ~e~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...