/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:58:10,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:58:10,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:58:10,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:58:10,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:58:10,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:58:10,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:58:10,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:58:10,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:58:10,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:58:10,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:58:10,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:58:10,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:58:10,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:58:10,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:58:10,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:58:10,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:58:10,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:58:10,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:58:10,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:58:10,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:58:10,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:58:10,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:58:10,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:58:10,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 05:58:10,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 05:58:10,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 05:58:10,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 05:58:10,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 05:58:10,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 05:58:10,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:58:10,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:58:10,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:58:10,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:58:10,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:58:10,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:58:10,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:58:10,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:58:10,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:58:10,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:58:10,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:58:10,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 05:58:10,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:58:10,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:58:10,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:58:10,432 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:58:10,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:58:10,432 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:58:10,432 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:58:10,433 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:58:10,433 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:58:10,433 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:58:10,433 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:58:10,433 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:58:10,434 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:58:10,434 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:58:10,434 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:58:10,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:58:10,435 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:58:10,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:58:10,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:58:10,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:58:10,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:58:10,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:58:10,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:58:10,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:58:10,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:58:10,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:58:10,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:58:10,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:58:10,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:58:10,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:58:10,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:58:10,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:58:10,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:58:10,438 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:58:10,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:58:10,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:58:10,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:58:10,439 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:58:10,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:58:10,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:58:10,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:58:10,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:58:10,717 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:58:10,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M4-2.c [2019-11-24 05:58:10,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d14ea840/0adc8a60a3564520b5c0b2293038b0f9/FLAGd938ab8c8 [2019-11-24 05:58:11,454 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:58:11,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M4-2.c [2019-11-24 05:58:11,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d14ea840/0adc8a60a3564520b5c0b2293038b0f9/FLAGd938ab8c8 [2019-11-24 05:58:11,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d14ea840/0adc8a60a3564520b5c0b2293038b0f9 [2019-11-24 05:58:11,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:58:11,690 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:58:11,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:58:11,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:58:11,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:58:11,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:58:11" (1/1) ... [2019-11-24 05:58:11,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f1b3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:11, skipping insertion in model container [2019-11-24 05:58:11,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:58:11" (1/1) ... [2019-11-24 05:58:11,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:58:11,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:58:12,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:58:12,548 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:58:12,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:58:12,821 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:58:12,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:12 WrapperNode [2019-11-24 05:58:12,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:58:12,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:58:12,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:58:12,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:58:12,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:12" (1/1) ... [2019-11-24 05:58:12,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:12" (1/1) ... [2019-11-24 05:58:20,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:58:20,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:58:20,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:58:20,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:58:20,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:12" (1/1) ... [2019-11-24 05:58:20,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:12" (1/1) ... [2019-11-24 05:58:24,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:12" (1/1) ... [2019-11-24 05:58:24,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:12" (1/1) ... [2019-11-24 05:58:27,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:12" (1/1) ... [2019-11-24 05:58:30,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:12" (1/1) ... [2019-11-24 05:58:30,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:12" (1/1) ... [2019-11-24 05:58:31,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:58:31,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:58:31,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:58:31,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:58:31,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:58:12" (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 [2019-11-24 05:58:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:58:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 05:58:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 05:58:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 05:58:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:58:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:58:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start