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/rekh_nxt_true-unreach-call.1.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-bb6c3a7 [2019-03-17 22:23:27,601 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 22:23:27,604 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 22:23:27,619 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 22:23:27,620 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 22:23:27,622 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 22:23:27,623 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 22:23:27,626 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 22:23:27,628 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 22:23:27,629 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 22:23:27,630 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 22:23:27,639 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 22:23:27,640 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 22:23:27,641 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 22:23:27,644 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 22:23:27,645 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 22:23:27,646 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 22:23:27,650 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 22:23:27,652 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 22:23:27,653 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 22:23:27,654 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 22:23:27,655 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 22:23:27,657 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-17 22:23:27,658 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-17 22:23:27,658 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-17 22:23:27,659 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-17 22:23:27,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-17 22:23:27,660 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-17 22:23:27,660 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-17 22:23:27,661 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-17 22:23:27,662 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-17 22:23:27,662 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-17 22:23:27,663 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-17 22:23:27,664 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-17 22:23:27,664 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-17 22:23:27,665 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-17 22:23:27,665 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 22:23:27,666 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 22:23:27,666 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 22:23:27,667 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 [2019-03-17 22:23:27,694 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 22:23:27,694 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 22:23:27,696 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 22:23:27,696 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 22:23:27,696 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 22:23:27,696 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-17 22:23:27,697 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-17 22:23:27,697 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-17 22:23:27,697 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-17 22:23:27,697 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-17 22:23:27,697 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-17 22:23:27,697 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-17 22:23:27,698 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-17 22:23:27,698 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-17 22:23:27,698 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-17 22:23:27,698 INFO L133 SettingsManager]: * Use constant arrays=true [2019-03-17 22:23:27,698 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-17 22:23:27,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 22:23:27,699 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 22:23:27,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 22:23:27,699 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 22:23:27,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 22:23:27,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 22:23:27,700 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 22:23:27,700 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 22:23:27,700 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 22:23:27,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 22:23:27,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 22:23:27,701 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 [2019-03-17 22:23:27,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-17 22:23:27,757 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 22:23:27,761 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-17 22:23:27,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-03-17 22:23:27,763 INFO L276 PluginConnector]: CDTParser initialized [2019-03-17 22:23:27,764 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_true-unreach-call.1.M1.c [2019-03-17 22:23:27,835 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd7bc5e4/61d2ef5cafb249538d30c7ff8f66bab9/FLAG9a70d897e [2019-03-17 22:23:28,447 INFO L307 CDTParser]: Found 1 translation units. [2019-03-17 22:23:28,448 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_true-unreach-call.1.M1.c [2019-03-17 22:23:28,470 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd7bc5e4/61d2ef5cafb249538d30c7ff8f66bab9/FLAG9a70d897e [2019-03-17 22:23:28,627 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd7bc5e4/61d2ef5cafb249538d30c7ff8f66bab9 [2019-03-17 22:23:28,636 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-17 22:23:28,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-03-17 22:23:28,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-03-17 22:23:28,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-03-17 22:23:28,642 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-03-17 22:23:28,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:23:28" (1/1) ... [2019-03-17 22:23:28,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a1088c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:28, skipping insertion in model container [2019-03-17 22:23:28,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:23:28" (1/1) ... [2019-03-17 22:23:28,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-03-17 22:23:28,738 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-03-17 22:23:29,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-17 22:23:29,489 INFO L191 MainTranslator]: Completed pre-run [2019-03-17 22:23:29,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-17 22:23:29,829 INFO L195 MainTranslator]: Completed translation [2019-03-17 22:23:29,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:29 WrapperNode [2019-03-17 22:23:29,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-03-17 22:23:29,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-17 22:23:29,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-17 22:23:29,831 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-17 22:23:29,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:29" (1/1) ... [2019-03-17 22:23:29,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:29" (1/1) ... [2019-03-17 22:23:31,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-17 22:23:31,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-17 22:23:31,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-17 22:23:31,358 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-17 22:23:31,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:29" (1/1) ... [2019-03-17 22:23:31,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:29" (1/1) ... [2019-03-17 22:23:32,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:29" (1/1) ... [2019-03-17 22:23:32,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:29" (1/1) ... [2019-03-17 22:23:33,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:29" (1/1) ... [2019-03-17 22:23:33,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:29" (1/1) ... [2019-03-17 22:23:33,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:29" (1/1) ... [2019-03-17 22:23:33,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-17 22:23:33,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-17 22:23:33,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-17 22:23:33,897 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-17 22:23:33,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:23:29" (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 [2019-03-17 22:23:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_U32 [2019-03-17 22:23:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-03-17 22:23:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_S8 [2019-03-17 22:23:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-03-17 22:23:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-03-17 22:23:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-03-17 22:23:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-03-17 22:23:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-17 22:23:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-03-17 22:24:14,484 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-03-17 22:24:14,484 INFO L286 CfgBuilder]: Removed 1846 assue(true) statements. [2019-03-17 22:24:14,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 10:24:14 BoogieIcfgContainer [2019-03-17 22:24:14,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-03-17 22:24:14,491 INFO L113 PluginConnector]: ------------------------IcfgToChc---------------------------- [2019-03-17 22:24:14,491 INFO L271 PluginConnector]: Initializing IcfgToChc... [2019-03-17 22:24:14,491 INFO L276 PluginConnector]: IcfgToChc initialized [2019-03-17 22:24:14,493 INFO L185 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 10:24:14" (1/1) ... Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown