/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/kundu1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 11:07:05,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 11:07:05,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 11:07:05,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 11:07:05,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 11:07:05,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 11:07:05,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 11:07:05,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 11:07:05,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 11:07:05,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 11:07:05,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 11:07:05,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 11:07:05,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 11:07:05,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 11:07:05,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 11:07:05,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 11:07:05,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 11:07:05,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 11:07:05,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 11:07:05,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 11:07:05,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 11:07:05,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 11:07:05,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 11:07:05,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 11:07:05,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 11:07:05,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 11:07:05,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 11:07:05,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 11:07:05,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 11:07:05,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 11:07:05,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 11:07:05,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 11:07:05,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 11:07:05,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 11:07:05,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 11:07:05,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 11:07:05,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 11:07:05,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 11:07:05,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 11:07:05,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 11:07:05,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 11:07:05,132 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 [2019-11-07 11:07:05,145 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 11:07:05,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 11:07:05,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 11:07:05,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 11:07:05,147 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 11:07:05,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 11:07:05,148 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 11:07:05,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 11:07:05,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 11:07:05,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 11:07:05,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 11:07:05,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 11:07:05,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 11:07:05,149 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 11:07:05,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 11:07:05,149 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 11:07:05,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 11:07:05,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 11:07:05,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 11:07:05,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 11:07:05,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 11:07:05,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 11:07:05,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 11:07:05,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 11:07:05,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 11:07:05,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 11:07:05,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 11:07:05,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 11:07:05,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 11:07:05,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 11:07:05,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 11:07:05,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 11:07:05,475 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 11:07:05,476 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 11:07:05,477 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/kundu1.cil.c [2019-11-07 11:07:05,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31be865ca/540cf98e5da14d619f1bc80a260daee2/FLAG4fe2127cc [2019-11-07 11:07:06,035 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 11:07:06,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/kundu1.cil.c [2019-11-07 11:07:06,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31be865ca/540cf98e5da14d619f1bc80a260daee2/FLAG4fe2127cc [2019-11-07 11:07:06,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31be865ca/540cf98e5da14d619f1bc80a260daee2 [2019-11-07 11:07:06,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 11:07:06,403 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 11:07:06,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 11:07:06,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 11:07:06,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 11:07:06,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:07:06" (1/1) ... [2019-11-07 11:07:06,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510f79ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:06, skipping insertion in model container [2019-11-07 11:07:06,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:07:06" (1/1) ... [2019-11-07 11:07:06,420 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 11:07:06,456 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 11:07:06,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:07:06,687 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 11:07:06,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:07:06,821 INFO L192 MainTranslator]: Completed translation [2019-11-07 11:07:06,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:06 WrapperNode [2019-11-07 11:07:06,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 11:07:06,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 11:07:06,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 11:07:06,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 11:07:06,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:06" (1/1) ... [2019-11-07 11:07:06,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:06" (1/1) ... [2019-11-07 11:07:06,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:06" (1/1) ... [2019-11-07 11:07:06,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:06" (1/1) ... [2019-11-07 11:07:06,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:06" (1/1) ... [2019-11-07 11:07:06,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:06" (1/1) ... [2019-11-07 11:07:06,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:06" (1/1) ... [2019-11-07 11:07:06,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 11:07:06,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 11:07:06,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 11:07:06,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 11:07:06,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:07:06" (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 [2019-11-07 11:07:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 11:07:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 11:07:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-11-07 11:07:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2019-11-07 11:07:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2019-11-07 11:07:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure P_1 [2019-11-07 11:07:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure is_P_1_triggered [2019-11-07 11:07:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure C_1 [2019-11-07 11:07:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure is_C_1_triggered [2019-11-07 11:07:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-11-07 11:07:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-11-07 11:07:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-11-07 11:07:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-11-07 11:07:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-11-07 11:07:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-11-07 11:07:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-11-07 11:07:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-11-07 11:07:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-11-07 11:07:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-11-07 11:07:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-11-07 11:07:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-11-07 11:07:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-11-07 11:07:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 11:07:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 11:07:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 11:07:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-11-07 11:07:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-11-07 11:07:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2019-11-07 11:07:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2019-11-07 11:07:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure P_1 [2019-11-07 11:07:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure is_P_1_triggered [2019-11-07 11:07:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure C_1 [2019-11-07 11:07:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure is_C_1_triggered [2019-11-07 11:07:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-11-07 11:07:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-11-07 11:07:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-11-07 11:07:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-11-07 11:07:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-11-07 11:07:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-11-07 11:07:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-11-07 11:07:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-11-07 11:07:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-11-07 11:07:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-11-07 11:07:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-11-07 11:07:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-11-07 11:07:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 11:07:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 11:07:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 11:07:07,696 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 11:07:07,697 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 11:07:07,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:07:07 BoogieIcfgContainer [2019-11-07 11:07:07,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 11:07:07,699 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 11:07:07,699 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 11:07:07,700 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 11:07:07,701 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:07:07" (1/1) ... [2019-11-07 11:07:07,701 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 11:07:07,727 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 11:07:07,728 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 11:07:07,738 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 11:07:07,746 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 11:07:07,747 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 11:07:07,815 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-11-07 11:07:07,836 INFO L197 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 58 for LOIs [2019-11-07 11:07:10,040 INFO L197 IcfgInterpreter]: Interpreting procedure eval with input of size 51 for LOIs [2019-11-07 11:07:10,530 INFO L197 IcfgInterpreter]: Interpreting procedure C_1 with input of size 40 for LOIs [2019-11-07 11:07:10,606 INFO L197 IcfgInterpreter]: Interpreting procedure read_data with input of size 50 for LOIs [2019-11-07 11:07:10,625 INFO L197 IcfgInterpreter]: Interpreting procedure P_1 with input of size 42 for LOIs [2019-11-07 11:07:10,627 INFO L197 IcfgInterpreter]: Interpreting procedure write_data with input of size 42 for LOIs [2019-11-07 11:07:10,643 INFO L197 IcfgInterpreter]: Interpreting procedure error with input of size 46 for LOIs [2019-11-07 11:07:10,644 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 11:07:10,658 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 11:07:10,659 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 11:07:10,662 INFO L168 Benchmark]: Toolchain (without parser) took 4257.90 ms. Allocated memory was 135.3 MB in the beginning and 316.7 MB in the end (delta: 181.4 MB). Free memory was 98.3 MB in the beginning and 176.5 MB in the end (delta: -78.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:10,663 INFO L168 Benchmark]: CDTParser took 1.34 ms. Allocated memory is still 135.3 MB. Free memory was 117.2 MB in the beginning and 117.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 11:07:10,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.45 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 98.1 MB in the beginning and 175.2 MB in the end (delta: -77.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:10,665 INFO L168 Benchmark]: Boogie Preprocessor took 46.25 ms. Allocated memory is still 199.2 MB. Free memory was 175.2 MB in the beginning and 173.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:10,666 INFO L168 Benchmark]: RCFGBuilder took 829.35 ms. Allocated memory is still 199.2 MB. Free memory was 173.1 MB in the beginning and 126.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:10,667 INFO L168 Benchmark]: Sifa took 2959.82 ms. Allocated memory was 199.2 MB in the beginning and 316.7 MB in the end (delta: 117.4 MB). Free memory was 126.1 MB in the beginning and 176.5 MB in the end (delta: -50.4 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. [2019-11-07 11:07:10,671 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34 ms. Allocated memory is still 135.3 MB. Free memory was 117.2 MB in the beginning and 117.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 418.45 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 98.1 MB in the beginning and 175.2 MB in the end (delta: -77.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.25 ms. Allocated memory is still 199.2 MB. Free memory was 175.2 MB in the beginning and 173.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 829.35 ms. Allocated memory is still 199.2 MB. Free memory was 173.1 MB in the beginning and 126.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * Sifa took 2959.82 ms. Allocated memory was 199.2 MB in the beginning and 316.7 MB in the end (delta: 117.4 MB). Free memory was 126.1 MB in the beginning and 176.5 MB in the end (delta: -50.4 MB). Peak memory consumption was 67.0 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]: 2917, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 123, DAG_INTERPRETER_EARLY_EXITS: 29, TOOLS_POST_APPLICATIONS: 462, TOOLS_POST_TIME[ms]: 220, TOOLS_POST_CALL_APPLICATIONS: 133, TOOLS_POST_CALL_TIME[ms]: 372, TOOLS_POST_RETURN_APPLICATIONS: 123, TOOLS_POST_RETURN_TIME[ms]: 162, TOOLS_QUANTIFIERELIM_APPLICATIONS: 717, TOOLS_QUANTIFIERELIM_TIME[ms]: 566, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 25, FLUID_QUERIES: 759, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 90, DOMAIN_JOIN_TIME[ms]: 1500, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 170, DOMAIN_ISSUBSETEQ_APPLICATIONS: 55, DOMAIN_ISSUBSETEQ_TIME[ms]: 51, DOMAIN_ISBOTTOM_APPLICATIONS: 123, DOMAIN_ISBOTTOM_TIME[ms]: 219, LOOP_SUMMARIZER_APPLICATIONS: 47, LOOP_SUMMARIZER_CACHE_MISSES: 47, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1867, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1866, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 55, CALL_SUMMARIZER_APPLICATIONS: 123, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1631, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1630, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 61, DAG_COMPRESSION_PROCESSED_NODES: 802, DAG_COMPRESSION_RETAINED_NODES: 271 - 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 1366#(and (or (and (= ~C_1_i~0 1) (= ~P_1_i~0 1) (<= ~C_1_st~0 1) (= ~C_1_st~0 1) (= ~e~0 0) (= ~C_1_pr~0 0) (<= 1 ~C_1_st~0) (= ~max_loop~0 2)) (and (= ~C_1_i~0 1) (= ~P_1_i~0 1) (<= ~P_1_st~0 1) (<= 1 ~P_1_st~0) (< ~i~0 ~max_loop~0) (= ~e~0 0) (= ~C_1_pr~0 0) (not (= ~num~0 1)) (= 1 ~P_1_st~0) (= ~max_loop~0 2) (not (= ~num~0 0)))) (or (and (<= 1 ~P_1_i~0) (<= ~C_1_pr~0 0) (<= 0 ~C_1_pr~0) (<= ~C_1_i~0 1) (<= 2 ~max_loop~0) (<= 0 ~e~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...