java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:32:50,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:32:50,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:32:50,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:32:50,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:32:50,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:32:50,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:32:50,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:32:50,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:32:50,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:32:50,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:32:50,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:32:50,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:32:50,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:32:50,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:32:50,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:32:50,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:32:50,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:32:50,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:32:50,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:32:50,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:32:50,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:32:50,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:32:50,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:32:50,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:32:50,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:32:50,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:32:50,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:32:50,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:32:50,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:32:50,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:32:50,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:32:50,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:32:50,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:32:50,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:32:50,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:32:50,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:32:50,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:32:50,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:32:50,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:32:50,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:32:50,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 11:32:50,812 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:32:50,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:32:50,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:32:50,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:32:50,815 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:32:50,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:32:50,816 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:32:50,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:32:50,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:32:50,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:32:50,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:32:50,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:32:50,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:32:50,818 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:32:50,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:32:50,819 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:32:50,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:32:50,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:32:50,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:32:50,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:32:50,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:32:50,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:32:50,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:32:50,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:32:50,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:32:50,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:32:50,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:32:50,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:32:50,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 11:32:50,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:32:50,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:32:50,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:32:50,888 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:32:50,888 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:32:50,889 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-06 11:32:50,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d93ecc87/6bd0d440f7bf49af8d63cecdfce57329/FLAGc8751ee3d [2019-09-06 11:32:51,395 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:32:51,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-09-06 11:32:51,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d93ecc87/6bd0d440f7bf49af8d63cecdfce57329/FLAGc8751ee3d [2019-09-06 11:32:51,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d93ecc87/6bd0d440f7bf49af8d63cecdfce57329 [2019-09-06 11:32:51,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:32:51,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:32:51,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:32:51,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:32:51,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:32:51,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:32:51" (1/1) ... [2019-09-06 11:32:51,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122e0d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:32:51, skipping insertion in model container [2019-09-06 11:32:51,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:32:51" (1/1) ... [2019-09-06 11:32:51,794 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:32:51,832 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:32:52,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:32:52,143 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:32:52,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:32:52,345 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:32:52,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:32:52 WrapperNode [2019-09-06 11:32:52,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:32:52,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:32:52,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:32:52,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:32:52,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:32:52" (1/1) ... [2019-09-06 11:32:52,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:32:52" (1/1) ... [2019-09-06 11:32:52,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:32:52" (1/1) ... [2019-09-06 11:32:52,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:32:52" (1/1) ... [2019-09-06 11:32:52,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:32:52" (1/1) ... [2019-09-06 11:32:52,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:32:52" (1/1) ... [2019-09-06 11:32:52,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:32:52" (1/1) ... [2019-09-06 11:32:52,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:32:52,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:32:52,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:32:52,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:32:52,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:32:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:32:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:32:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:32:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:32:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-09-06 11:32:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-09-06 11:32:52,448 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-09-06 11:32:52,449 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-09-06 11:32:52,449 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-09-06 11:32:52,449 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-09-06 11:32:52,449 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-06 11:32:52,449 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-06 11:32:52,449 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-06 11:32:52,450 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:32:52,450 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-06 11:32:52,450 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-06 11:32:52,450 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-06 11:32:52,450 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-06 11:32:52,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-06 11:32:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-06 11:32:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-06 11:32:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:32:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-06 11:32:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:32:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:32:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:32:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:32:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-06 11:32:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-09-06 11:32:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-09-06 11:32:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-09-06 11:32:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-09-06 11:32:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-09-06 11:32:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-09-06 11:32:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-06 11:32:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-06 11:32:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-06 11:32:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:32:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-06 11:32:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-06 11:32:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-06 11:32:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-06 11:32:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-06 11:32:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-06 11:32:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:32:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-06 11:32:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:32:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:32:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:32:52,959 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:32:52,959 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-06 11:32:52,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:32:52 BoogieIcfgContainer [2019-09-06 11:32:52,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:32:52,961 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:32:52,962 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:32:52,962 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:32:52,963 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:32:52" (1/1) ... [2019-09-06 11:32:52,964 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 11:32:52,988 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:32:52,988 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:32:53,009 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:32:53,022 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:32:53,023 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:32:53,119 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-06 11:32:53,166 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 74 for LOIs [2019-09-06 11:33:00,382 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 64 for LOIs [2019-09-06 11:33:01,265 INFO L199 IcfgInterpreter]: Interpreting procedure C_1 with input of size 59 for LOIs [2019-09-06 11:33:01,297 INFO L199 IcfgInterpreter]: Interpreting procedure read_data with input of size 48 for LOIs [2019-09-06 11:33:01,299 INFO L199 IcfgInterpreter]: Interpreting procedure P_1 with input of size 56 for LOIs [2019-09-06 11:33:01,304 INFO L199 IcfgInterpreter]: Interpreting procedure write_data with input of size 55 for LOIs [2019-09-06 11:33:01,306 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 47 for LOIs [2019-09-06 11:33:01,307 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:33:01,307 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:33:01,309 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3707#(and (<= 0 ~data_0~0) (<= 0 ~P_1_st~0) (<= ~C_1_pr~0 0) (<= 0 ~P_1_ev~0) (<= ~P_1_st~0 2) (<= ~P_1_pc~0 1) (<= 1 ~P_1_i~0) (<= ~C_1_st~0 2) (<= ~data_0~0 65) (<= 0 (+ ~num~0 1)) (<= 0 ~C_1_pr~0) (<= ~C_1_i~0 1) (<= 0 ~C_1_st~0) (<= 0 ~e~0) (<= 2 ~max_loop~0) (<= 0 ~data_1~0) (<= 0 ~timer~0) (<= 0 ~C_1_pc~0) (<= ~e~0 0) (<= ~max_loop~0 2) (<= 0 ~P_1_pc~0) (<= ~P_1_i~0 1) (<= 1 ~C_1_i~0) (<= 0 ~i~0) (<= 0 ~C_1_ev~0)) [2019-09-06 11:33:01,321 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:33:01,321 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:33:01,324 INFO L168 Benchmark]: Toolchain (without parser) took 9543.46 ms. Allocated memory was 140.5 MB in the beginning and 399.5 MB in the end (delta: 259.0 MB). Free memory was 85.9 MB in the beginning and 264.1 MB in the end (delta: -178.2 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:01,325 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:33:01,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.17 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 85.4 MB in the beginning and 176.9 MB in the end (delta: -91.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:01,327 INFO L168 Benchmark]: Boogie Preprocessor took 46.99 ms. Allocated memory is still 201.3 MB. Free memory was 176.9 MB in the beginning and 174.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:01,328 INFO L168 Benchmark]: RCFGBuilder took 567.65 ms. Allocated memory is still 201.3 MB. Free memory was 174.5 MB in the beginning and 142.9 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:01,329 INFO L168 Benchmark]: Sifa took 8359.96 ms. Allocated memory was 201.3 MB in the beginning and 399.5 MB in the end (delta: 198.2 MB). Free memory was 142.9 MB in the beginning and 264.1 MB in the end (delta: -121.2 MB). Peak memory consumption was 77.0 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:01,333 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 140.5 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 565.17 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 85.4 MB in the beginning and 176.9 MB in the end (delta: -91.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.99 ms. Allocated memory is still 201.3 MB. Free memory was 176.9 MB in the beginning and 174.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 567.65 ms. Allocated memory is still 201.3 MB. Free memory was 174.5 MB in the beginning and 142.9 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Sifa took 8359.96 ms. Allocated memory was 201.3 MB in the beginning and 399.5 MB in the end (delta: 198.2 MB). Free memory was 142.9 MB in the beginning and 264.1 MB in the end (delta: -121.2 MB). Peak memory consumption was 77.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 8322, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2537, DAG_INTERPRETER_EARLY_EXITS: 61, TOOLS_POST_APPLICATIONS: 1960, TOOLS_POST_TIME[ms]: 816, TOOLS_POST_CALL_APPLICATIONS: 379, TOOLS_POST_CALL_TIME[ms]: 831, TOOLS_POST_RETURN_APPLICATIONS: 369, TOOLS_POST_RETURN_TIME[ms]: 644, TOOLS_QUANTIFIERELIM_TIME[ms]: 1662, FLUID_QUERY_TIME[ms]: 54, FLUID_QUERIES: 2729, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 654, DOMAIN_JOIN_TIME[ms]: 843, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 47, DOMAIN_WIDEN_TIME[ms]: 82, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2470, DOMAIN_ISSUBSETEQ_TIME[ms]: 3740, DOMAIN_ISBOTTOM_APPLICATIONS: 476, DOMAIN_ISBOTTOM_TIME[ms]: 914, LOOP_SUMMARIZER_APPLICATIONS: 145, LOOP_SUMMARIZER_CACHE_MISSES: 145, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7398, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7397, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 192, CALL_SUMMARIZER_APPLICATIONS: 369, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 7573, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 58, DAG_COMPRESSION_PROCESSED_NODES: 897, DAG_COMPRESSION_RETAINED_NODES: 385 - 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 3707#(and (<= 0 ~data_0~0) (<= 0 ~P_1_st~0) (<= ~C_1_pr~0 0) (<= 0 ~P_1_ev~0) (<= ~P_1_st~0 2) (<= ~P_1_pc~0 1) (<= 1 ~P_1_i~0) (<= ~C_1_st~0 2) (<= ~data_0~0 65) (<= 0 (+ ~num~0 1)) (<= 0 ~C_1_pr~0) (<= ~C_1_i~0 1) (<= 0 ~C_1_st~0) (<= 0 ~e~0) (<= 2 ~max_loop~0) (<= 0 ~data_1~0) (<= 0 ~timer~0) (<= 0 ~C_1_pc~0) (<= ~e~0 0) (<= ~max_loop~0 2) (<= 0 ~P_1_pc~0) (<= ~P_1_i~0 1) (<= 1 ~C_1_i~0) (<= 0 ~i~0) (<= 0 ~C_1_ev~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...