java -Xmx4000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/CToToChcInline.xml -s ../../../trunk/examples/settings//default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --chcprinter.save.file.in.source.directory true --chcprinter.use.automatic.naming true -i /storage/repos/svcomp/c/seq-mthreaded/rekcba_nxt_true-unreach-call.1.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-bb6c3a7 [2019-03-18 13:25:45,867 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-18 13:25:45,869 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-18 13:25:45,881 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-18 13:25:45,881 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-18 13:25:45,882 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-18 13:25:45,884 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-18 13:25:45,886 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-18 13:25:45,888 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-18 13:25:45,889 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-18 13:25:45,890 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-18 13:25:45,890 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-18 13:25:45,891 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-18 13:25:45,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-18 13:25:45,893 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-18 13:25:45,894 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-18 13:25:45,895 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-18 13:25:45,897 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-18 13:25:45,899 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-18 13:25:45,901 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-18 13:25:45,902 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-18 13:25:45,904 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-18 13:25:45,906 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-18 13:25:45,907 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-18 13:25:45,907 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-18 13:25:45,908 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-18 13:25:45,909 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-18 13:25:45,910 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-18 13:25:45,910 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-18 13:25:45,911 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-18 13:25:45,912 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-18 13:25:45,913 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-18 13:25:45,914 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-18 13:25:45,914 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-18 13:25:45,915 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-18 13:25:45,915 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-18 13:25:45,916 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-18 13:25:45,917 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-18 13:25:45,918 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-18 13:25:45,918 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-03-18 13:25:45,938 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-18 13:25:45,938 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-18 13:25:45,939 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-18 13:25:45,940 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-18 13:25:45,940 INFO L133 SettingsManager]: * Use SBE=true [2019-03-18 13:25:45,940 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-18 13:25:45,940 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-18 13:25:45,940 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-18 13:25:45,941 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-18 13:25:45,941 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-18 13:25:45,941 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-18 13:25:45,941 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-18 13:25:45,941 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-18 13:25:45,942 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-18 13:25:45,942 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-18 13:25:45,942 INFO L133 SettingsManager]: * Use constant arrays=true [2019-03-18 13:25:45,942 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-18 13:25:45,942 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-18 13:25:45,943 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-18 13:25:45,943 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-18 13:25:45,943 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-18 13:25:45,943 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-18 13:25:45,943 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-18 13:25:45,944 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-18 13:25:45,944 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-18 13:25:45,944 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-18 13:25:45,944 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-18 13:25:45,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-18 13:25:45,945 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.chcprinter: Save file in source directory -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.chcprinter: Use automatic naming -> true [2019-03-18 13:25:45,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-18 13:25:45,990 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-18 13:25:45,997 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-18 13:25:45,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-03-18 13:25:45,999 INFO L276 PluginConnector]: CDTParser initialized [2019-03-18 13:25:46,001 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/seq-mthreaded/rekcba_nxt_true-unreach-call.1.M1.c [2019-03-18 13:25:46,073 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3024df133/3212d49782cb414795026f3c4c895501/FLAG4a9c17902 [2019-03-18 13:25:46,696 INFO L307 CDTParser]: Found 1 translation units. [2019-03-18 13:25:46,696 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/seq-mthreaded/rekcba_nxt_true-unreach-call.1.M1.c [2019-03-18 13:25:46,720 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3024df133/3212d49782cb414795026f3c4c895501/FLAG4a9c17902 [2019-03-18 13:25:46,934 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3024df133/3212d49782cb414795026f3c4c895501 [2019-03-18 13:25:46,947 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-18 13:25:46,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-03-18 13:25:46,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-03-18 13:25:46,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-03-18 13:25:46,959 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-03-18 13:25:46,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:25:46" (1/1) ... [2019-03-18 13:25:46,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e285c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:46, skipping insertion in model container [2019-03-18 13:25:46,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:25:46" (1/1) ... [2019-03-18 13:25:46,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-03-18 13:25:47,062 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-03-18 13:25:47,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 13:25:47,755 INFO L191 MainTranslator]: Completed pre-run [2019-03-18 13:25:48,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 13:25:48,163 INFO L195 MainTranslator]: Completed translation [2019-03-18 13:25:48,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:48 WrapperNode [2019-03-18 13:25:48,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-03-18 13:25:48,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-18 13:25:48,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-18 13:25:48,165 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-18 13:25:48,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:48" (1/1) ... [2019-03-18 13:25:48,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:48" (1/1) ... [2019-03-18 13:25:48,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-18 13:25:48,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-18 13:25:48,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-18 13:25:48,708 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-18 13:25:48,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:48" (1/1) ... [2019-03-18 13:25:48,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:48" (1/1) ... [2019-03-18 13:25:48,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:48" (1/1) ... [2019-03-18 13:25:48,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:48" (1/1) ... [2019-03-18 13:25:49,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:48" (1/1) ... [2019-03-18 13:25:49,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:48" (1/1) ... [2019-03-18 13:25:49,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:48" (1/1) ... [2019-03-18 13:25:49,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-18 13:25:49,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-18 13:25:49,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-18 13:25:49,235 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-18 13:25:49,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:25:48" (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 [2019-03-18 13:25:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_U32 [2019-03-18 13:25:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-03-18 13:25:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_S8 [2019-03-18 13:25:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-03-18 13:25:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-03-18 13:25:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-03-18 13:25:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-03-18 13:25:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-18 13:25:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-03-18 13:26:08,560 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-03-18 13:26:08,561 INFO L286 CfgBuilder]: Removed 1850 assue(true) statements. [2019-03-18 13:26:08,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 01:26:08 BoogieIcfgContainer [2019-03-18 13:26:08,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-03-18 13:26:08,565 INFO L113 PluginConnector]: ------------------------IcfgToChc---------------------------- [2019-03-18 13:26:08,565 INFO L271 PluginConnector]: Initializing IcfgToChc... [2019-03-18 13:26:08,566 INFO L276 PluginConnector]: IcfgToChc initialized [2019-03-18 13:26:08,568 INFO L185 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 01:26:08" (1/1) ... Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown