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_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:57:14,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:57:14,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:57:14,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:57:14,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:57:14,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:57:14,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:57:14,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:57:14,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:57:14,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:57:14,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:57:14,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:57:14,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:57:14,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:57:14,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:57:14,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:57:14,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:57:14,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:57:14,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:57:14,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:57:14,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:57:14,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:57:14,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:57:14,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:57:14,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:57:14,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:57:14,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:57:14,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:57:14,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:57:14,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:57:14,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:57:14,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:57:14,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:57:14,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:57:14,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:57:14,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:57:14,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:57:14,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:57:14,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:57:14,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:57:14,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:57:14,491 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 01:57:14,504 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:57:14,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:57:14,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:57:14,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:57:14,506 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:57:14,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:57:14,507 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:57:14,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:57:14,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:57:14,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:57:14,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:57:14,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:57:14,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:57:14,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:57:14,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:57:14,508 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:57:14,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:57:14,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:57:14,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:57:14,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:57:14,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:57:14,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:57:14,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:57:14,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:57:14,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:57:14,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:57:14,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:57:14,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:57:14,511 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 01:57:14,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:57:14,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:57:14,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:57:14,790 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:57:14,791 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:57:14,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label16.c [2019-10-15 01:57:14,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5dbeb88b/3efb94cb72894a4f9826e97925a65ead/FLAG86cfd14ba [2019-10-15 01:57:15,557 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:57:15,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label16.c [2019-10-15 01:57:15,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5dbeb88b/3efb94cb72894a4f9826e97925a65ead/FLAG86cfd14ba [2019-10-15 01:57:15,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5dbeb88b/3efb94cb72894a4f9826e97925a65ead [2019-10-15 01:57:15,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:57:15,688 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:57:15,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:57:15,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:57:15,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:57:15,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:57:15" (1/1) ... [2019-10-15 01:57:15,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:15, skipping insertion in model container [2019-10-15 01:57:15,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:57:15" (1/1) ... [2019-10-15 01:57:15,705 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:57:15,827 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:57:16,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:57:16,917 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:57:17,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:57:17,444 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:57:17,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:17 WrapperNode [2019-10-15 01:57:17,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:57:17,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:57:17,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:57:17,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:57:17,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:17" (1/1) ... [2019-10-15 01:57:17,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:17" (1/1) ... [2019-10-15 01:57:17,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:17" (1/1) ... [2019-10-15 01:57:17,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:17" (1/1) ... [2019-10-15 01:57:17,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:17" (1/1) ... [2019-10-15 01:57:17,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:17" (1/1) ... [2019-10-15 01:57:17,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:17" (1/1) ... [2019-10-15 01:57:17,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:57:17,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:57:17,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:57:17,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:57:17,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:17" (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 01:57:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:57:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:57:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:57:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-15 01:57:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-15 01:57:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:57:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:57:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-15 01:57:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-15 01:57:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:57:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:57:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:57:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:57:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:57:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start