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_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:57:56,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:57:56,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:57:57,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:57:57,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:57:57,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:57:57,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:57:57,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:57:57,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:57:57,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:57:57,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:57:57,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:57:57,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:57:57,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:57:57,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:57:57,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:57:57,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:57:57,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:57:57,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:57:57,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:57:57,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:57:57,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:57:57,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:57:57,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:57:57,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:57:57,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:57:57,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:57:57,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:57:57,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:57:57,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:57:57,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:57:57,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:57:57,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:57:57,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:57:57,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:57:57,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:57:57,075 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 01:57:57,095 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:57:57,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:57:57,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:57:57,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:57:57,097 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:57:57,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:57:57,098 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:57:57,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:57:57,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:57:57,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:57:57,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:57:57,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:57:57,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:57:57,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:57:57,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:57:57,101 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:57:57,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:57:57,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:57:57,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:57:57,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:57:57,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:57:57,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:57:57,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:57:57,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:57:57,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:57:57,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:57:57,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:57:57,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:57:57,103 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 01:57:57,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:57:57,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:57:57,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:57:57,386 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:57:57,387 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:57:57,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label41.c [2019-10-15 01:57:57,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7351eeb06/c7ba6ebe9dd14ccc9b90bc8dcccfd9d2/FLAGe1ce77855 [2019-10-15 01:57:58,156 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:57:58,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label41.c [2019-10-15 01:57:58,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7351eeb06/c7ba6ebe9dd14ccc9b90bc8dcccfd9d2/FLAGe1ce77855 [2019-10-15 01:57:58,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7351eeb06/c7ba6ebe9dd14ccc9b90bc8dcccfd9d2 [2019-10-15 01:57:58,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:57:58,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:57:58,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:57:58,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:57:58,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:57:58,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:57:58" (1/1) ... [2019-10-15 01:57:58,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3457a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:58, skipping insertion in model container [2019-10-15 01:57:58,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:57:58" (1/1) ... [2019-10-15 01:57:58,316 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:57:58,433 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:57:59,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:57:59,523 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:58:00,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:58:00,048 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:58:00,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:00 WrapperNode [2019-10-15 01:58:00,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:58:00,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:58:00,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:58:00,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:58:00,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:00" (1/1) ... [2019-10-15 01:58:00,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:00" (1/1) ... [2019-10-15 01:58:00,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:00" (1/1) ... [2019-10-15 01:58:00,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:00" (1/1) ... [2019-10-15 01:58:00,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:00" (1/1) ... [2019-10-15 01:58:00,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:00" (1/1) ... [2019-10-15 01:58:00,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:00" (1/1) ... [2019-10-15 01:58:00,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:58:00,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:58:00,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:58:00,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:58:00,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:58:00" (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 01:58:00,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:58:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:58:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:58:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-15 01:58:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-15 01:58:00,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:58:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:58:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-15 01:58:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-15 01:58:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:58:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:58:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:58:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:58:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:58:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start