java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --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/Problem18_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:58:06,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:58:06,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:58:06,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:58:06,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:58:06,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:58:06,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:58:06,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:58:06,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:58:06,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:58:06,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:58:06,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:58:06,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:58:06,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:58:06,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:58:06,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:58:06,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:58:06,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:58:06,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:58:06,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:58:06,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:58:06,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:58:06,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:58:06,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:58:06,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:58:06,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:58:06,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:58:06,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:58:06,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:58:06,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:58:06,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:58:06,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:58:06,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:58:06,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:58:06,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:58:06,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:58:06,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:58:06,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:58:06,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:58:06,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:58:06,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:58:06,380 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 [2019-10-15 01:58:06,402 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:58:06,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:58:06,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:58:06,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:58:06,405 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:58:06,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:58:06,405 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:58:06,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:58:06,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:58:06,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:58:06,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:58:06,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:58:06,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:58:06,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:58:06,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:58:06,408 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:58:06,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:58:06,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:58:06,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:58:06,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:58:06,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:58:06,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:58:06,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:58:06,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:58:06,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:58:06,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:58:06,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:58:06,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:58:06,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN 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 [2019-10-15 01:58:06,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:58:06,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:58:06,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:58:06,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:58:06,689 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:58:06,689 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label50.c [2019-10-15 01:58:06,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49bd5423/207ee1a987d34285bc1406520029d8f6/FLAG61eb4f4a8 [2019-10-15 01:58:07,576 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:58:07,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label50.c [2019-10-15 01:58:07,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49bd5423/207ee1a987d34285bc1406520029d8f6/FLAG61eb4f4a8 [2019-10-15 01:58:07,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49bd5423/207ee1a987d34285bc1406520029d8f6 [2019-10-15 01:58:07,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:58:07,651 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:58:07,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:58:07,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:58:07,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:58:07,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:58:07" (1/1) ... [2019-10-15 01:58:07,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663c421b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:07, skipping insertion in model container [2019-10-15 01:58:07,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:58:07" (1/1) ... [2019-10-15 01:58:07,669 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:58:07,807 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:58:09,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:58:09,042 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:58:09,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:58:09,508 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:58:09,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:09 WrapperNode [2019-10-15 01:58:09,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:58:09,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:58:09,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:58:09,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:58:09,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:09" (1/1) ... [2019-10-15 01:58:09,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:09" (1/1) ... [2019-10-15 01:58:09,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:09" (1/1) ... [2019-10-15 01:58:09,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:09" (1/1) ... [2019-10-15 01:58:09,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:09" (1/1) ... [2019-10-15 01:58:09,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:09" (1/1) ... [2019-10-15 01:58:09,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:09" (1/1) ... [2019-10-15 01:58:09,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:58:09,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:58:09,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:58:09,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:58:09,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:09" (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 [2019-10-15 01:58:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:58:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:58:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:58:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-15 01:58:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-15 01:58:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:58:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:58:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-15 01:58:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-15 01:58:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:58:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:58:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:58:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:58:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:58:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start