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_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:57:20,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:57:20,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:57:20,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:57:20,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:57:20,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:57:20,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:57:20,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:57:20,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:57:20,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:57:20,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:57:20,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:57:20,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:57:20,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:57:20,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:57:20,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:57:20,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:57:20,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:57:20,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:57:20,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:57:20,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:57:20,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:57:20,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:57:20,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:57:20,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:57:20,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:57:20,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:57:20,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:57:20,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:57:20,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:57:20,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:57:20,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:57:20,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:57:20,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:57:20,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:57:20,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:57:20,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:57:20,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:57:20,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:57:20,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:57:20,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:57:20,106 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 01:57:20,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:57:20,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:57:20,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:57:20,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:57:20,138 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:57:20,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:57:20,139 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:57:20,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:57:20,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:57:20,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:57:20,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:57:20,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:57:20,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:57:20,141 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:57:20,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:57:20,142 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:57:20,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:57:20,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:57:20,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:57:20,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:57:20,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:57:20,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:57:20,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:57:20,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:57:20,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:57:20,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:57:20,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:57:20,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:57:20,145 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 01:57:20,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:57:20,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:57:20,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:57:20,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:57:20,477 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:57:20,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label23.c [2019-10-15 01:57:20,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667695ddc/036c761b82e74a5a93c1faa566b5e4c0/FLAG2c3f761cf [2019-10-15 01:57:21,319 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:57:21,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label23.c [2019-10-15 01:57:21,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667695ddc/036c761b82e74a5a93c1faa566b5e4c0/FLAG2c3f761cf [2019-10-15 01:57:21,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667695ddc/036c761b82e74a5a93c1faa566b5e4c0 [2019-10-15 01:57:21,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:57:21,433 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:57:21,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:57:21,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:57:21,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:57:21,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:57:21" (1/1) ... [2019-10-15 01:57:21,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8b9bbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:21, skipping insertion in model container [2019-10-15 01:57:21,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:57:21" (1/1) ... [2019-10-15 01:57:21,455 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:57:21,587 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:57:22,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:57:22,867 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:57:23,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:57:23,376 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:57:23,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:23 WrapperNode [2019-10-15 01:57:23,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:57:23,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:57:23,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:57:23,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:57:23,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:23" (1/1) ... [2019-10-15 01:57:23,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:23" (1/1) ... [2019-10-15 01:57:23,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:23" (1/1) ... [2019-10-15 01:57:23,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:23" (1/1) ... [2019-10-15 01:57:23,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:23" (1/1) ... [2019-10-15 01:57:23,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:23" (1/1) ... [2019-10-15 01:57:23,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:23" (1/1) ... [2019-10-15 01:57:23,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:57:23,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:57:23,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:57:23,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:57:23,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:23" (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 01:57:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:57:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:57:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:57:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-15 01:57:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-15 01:57:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:57:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:57:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-15 01:57:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-15 01:57:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:57:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:57:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:57:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:57:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:57:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start