/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/eca-rers2012/Problem16_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:45:18,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:45:18,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:45:18,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:45:18,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:45:18,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:45:18,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:45:18,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:45:18,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:45:18,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:45:18,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:45:18,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:45:18,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:45:18,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:45:18,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:45:18,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:45:18,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:45:18,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:45:18,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:45:18,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:45:18,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:45:18,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:45:18,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:45:18,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:45:18,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:45:18,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:45:18,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:45:18,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:45:18,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:45:18,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:45:18,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:45:18,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:45:18,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:45:18,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:45:18,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:45:18,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:45:18,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:45:18,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:45:18,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:45:18,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:45:18,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:45:18,548 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 07:45:18,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:45:18,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:45:18,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:45:18,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:45:18,578 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:45:18,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:45:18,578 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:45:18,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:45:18,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:45:18,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:45:18,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:45:18,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:45:18,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:45:18,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:45:18,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:45:18,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:45:18,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:45:18,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:45:18,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:45:18,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:45:18,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:45:18,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:45:18,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:45:18,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:45:18,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:45:18,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:45:18,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:45:18,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:45:18,583 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 07:45:18,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:45:18,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:45:18,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:45:18,887 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:45:18,888 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:45:18,888 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label40.c [2019-11-07 07:45:18,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad4c0450/3f748c2b806a4df7b284e4caf5bb4bd0/FLAGd16e4a037 [2019-11-07 07:45:19,630 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:45:19,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label40.c [2019-11-07 07:45:19,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad4c0450/3f748c2b806a4df7b284e4caf5bb4bd0/FLAGd16e4a037 [2019-11-07 07:45:19,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad4c0450/3f748c2b806a4df7b284e4caf5bb4bd0 [2019-11-07 07:45:19,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:45:19,791 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:45:19,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:45:19,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:45:19,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:45:19,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:45:19" (1/1) ... [2019-11-07 07:45:19,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e5aa86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:45:19, skipping insertion in model container [2019-11-07 07:45:19,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:45:19" (1/1) ... [2019-11-07 07:45:19,807 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:45:19,879 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:45:20,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:45:20,847 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:45:21,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:45:21,173 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:45:21,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:45:21 WrapperNode [2019-11-07 07:45:21,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:45:21,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:45:21,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:45:21,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:45:21,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:45:21" (1/1) ... [2019-11-07 07:45:21,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:45:21" (1/1) ... [2019-11-07 07:45:21,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:45:21" (1/1) ... [2019-11-07 07:45:21,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:45:21" (1/1) ... [2019-11-07 07:45:21,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:45:21" (1/1) ... [2019-11-07 07:45:21,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:45:21" (1/1) ... [2019-11-07 07:45:21,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:45:21" (1/1) ... [2019-11-07 07:45:21,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:45:21,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:45:21,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:45:21,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:45:21,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:45:21" (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 07:45:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:45:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:45:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 07:45:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-11-07 07:45:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:45:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 07:45:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-11-07 07:45:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:45:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:45:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 07:45:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:45:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:45:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:45:36,105 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:45:36,105 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 07:45:36,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:45:36 BoogieIcfgContainer [2019-11-07 07:45:36,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:45:36,107 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:45:36,108 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:45:36,108 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:45:36,109 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:45:36" (1/1) ... [2019-11-07 07:45:36,110 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 07:45:36,137 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:45:36,137 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:45:36,147 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:45:36,157 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:45:36,158 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:45:36,229 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 39 for LOIs [2019-11-07 07:45:37,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-07 07:45:37,709 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-07 07:45:37,968 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57