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_false-unreach-call.1.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-bb6c3a7 [2019-03-17 22:20:32,768 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 22:20:32,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 22:20:32,789 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 22:20:32,789 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 22:20:32,790 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 22:20:32,792 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 22:20:32,795 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 22:20:32,798 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 22:20:32,805 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 22:20:32,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 22:20:32,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 22:20:32,811 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 22:20:32,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 22:20:32,815 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 22:20:32,818 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 22:20:32,819 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 22:20:32,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 22:20:32,826 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 22:20:32,830 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 22:20:32,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 22:20:32,836 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 22:20:32,840 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-17 22:20:32,840 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-17 22:20:32,841 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-17 22:20:32,842 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-17 22:20:32,842 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-17 22:20:32,843 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-17 22:20:32,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-17 22:20:32,846 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-17 22:20:32,848 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-17 22:20:32,849 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-17 22:20:32,851 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-17 22:20:32,851 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-17 22:20:32,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-17 22:20:32,852 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-17 22:20:32,853 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 22:20:32,854 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 22:20:32,856 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 22:20:32,857 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 22:20:32,885 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 22:20:32,885 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 22:20:32,887 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 22:20:32,888 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 22:20:32,889 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 22:20:32,889 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-17 22:20:32,889 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-17 22:20:32,889 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-17 22:20:32,890 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-17 22:20:32,890 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-17 22:20:32,890 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-17 22:20:32,890 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-17 22:20:32,890 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-17 22:20:32,891 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-17 22:20:32,892 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-17 22:20:32,892 INFO L133 SettingsManager]: * Use constant arrays=true [2019-03-17 22:20:32,893 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-17 22:20:32,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 22:20:32,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 22:20:32,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 22:20:32,894 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 22:20:32,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 22:20:32,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 22:20:32,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 22:20:32,895 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 22:20:32,895 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 22:20:32,895 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 22:20:32,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 22:20:32,896 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 22:20:32,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-17 22:20:32,965 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 22:20:32,969 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-17 22:20:32,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-03-17 22:20:32,971 INFO L276 PluginConnector]: CDTParser initialized [2019-03-17 22:20:32,972 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_false-unreach-call.1.M1.c [2019-03-17 22:20:33,034 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d6754201/d153d2b51bc64490a761be9d8204d8d2/FLAG413422602 [2019-03-17 22:20:33,684 INFO L307 CDTParser]: Found 1 translation units. [2019-03-17 22:20:33,685 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_false-unreach-call.1.M1.c [2019-03-17 22:20:33,715 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d6754201/d153d2b51bc64490a761be9d8204d8d2/FLAG413422602 [2019-03-17 22:20:33,854 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d6754201/d153d2b51bc64490a761be9d8204d8d2 [2019-03-17 22:20:33,865 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-17 22:20:33,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-03-17 22:20:33,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-03-17 22:20:33,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-03-17 22:20:33,872 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-03-17 22:20:33,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:20:33" (1/1) ... [2019-03-17 22:20:33,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:33, skipping insertion in model container [2019-03-17 22:20:33,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:20:33" (1/1) ... [2019-03-17 22:20:33,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-03-17 22:20:33,962 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-03-17 22:20:34,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-17 22:20:34,634 INFO L191 MainTranslator]: Completed pre-run [2019-03-17 22:20:35,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-17 22:20:35,121 INFO L195 MainTranslator]: Completed translation [2019-03-17 22:20:35,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:35 WrapperNode [2019-03-17 22:20:35,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-03-17 22:20:35,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-17 22:20:35,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-17 22:20:35,123 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-17 22:20:35,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:35" (1/1) ... [2019-03-17 22:20:35,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:35" (1/1) ... [2019-03-17 22:20:36,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-17 22:20:36,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-17 22:20:36,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-17 22:20:36,696 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-17 22:20:36,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:35" (1/1) ... [2019-03-17 22:20:36,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:35" (1/1) ... [2019-03-17 22:20:36,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:35" (1/1) ... [2019-03-17 22:20:36,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:35" (1/1) ... [2019-03-17 22:20:38,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:35" (1/1) ... [2019-03-17 22:20:39,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:35" (1/1) ... [2019-03-17 22:20:39,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:35" (1/1) ... [2019-03-17 22:20:39,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-17 22:20:39,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-17 22:20:39,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-17 22:20:39,514 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-17 22:20:39,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:20:35" (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 22:20:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_U32 [2019-03-17 22:20:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-03-17 22:20:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_S8 [2019-03-17 22:20:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-03-17 22:20:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-03-17 22:20:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-03-17 22:20:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-03-17 22:20:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-17 22:20:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-03-17 22:21:16,664 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-03-17 22:21:16,665 INFO L286 CfgBuilder]: Removed 1846 assue(true) statements. [2019-03-17 22:21:16,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 10:21:16 BoogieIcfgContainer [2019-03-17 22:21:16,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-03-17 22:21:16,671 INFO L113 PluginConnector]: ------------------------IcfgToChc---------------------------- [2019-03-17 22:21:16,671 INFO L271 PluginConnector]: Initializing IcfgToChc... [2019-03-17 22:21:16,671 INFO L276 PluginConnector]: IcfgToChc initialized [2019-03-17 22:21:16,674 INFO L185 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 10:21:16" (1/1) ... Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown