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 [2019-03-18 13:26:54,097 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-18 13:26:54,099 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-18 13:26:54,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-18 13:26:54,114 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-18 13:26:54,115 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-18 13:26:54,117 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-18 13:26:54,119 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-18 13:26:54,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-18 13:26:54,124 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-18 13:26:54,125 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-18 13:26:54,125 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-18 13:26:54,126 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-18 13:26:54,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-18 13:26:54,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-18 13:26:54,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-18 13:26:54,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-18 13:26:54,132 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-18 13:26:54,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-18 13:26:54,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-18 13:26:54,137 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-18 13:26:54,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-18 13:26:54,141 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-18 13:26:54,142 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-18 13:26:54,142 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-18 13:26:54,143 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-18 13:26:54,143 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-18 13:26:54,144 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-18 13:26:54,145 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-18 13:26:54,145 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-18 13:26:54,146 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-18 13:26:54,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-18 13:26:54,148 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-18 13:26:54,148 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-18 13:26:54,149 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-18 13:26:54,149 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-18 13:26:54,150 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-18 13:26:54,150 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-18 13:26:54,151 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-18 13:26:54,152 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 13:26:54,176 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-18 13:26:54,176 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-18 13:26:54,178 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-18 13:26:54,178 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-18 13:26:54,178 INFO L133 SettingsManager]: * Use SBE=true [2019-03-18 13:26:54,178 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-18 13:26:54,178 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-18 13:26:54,179 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-18 13:26:54,179 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-18 13:26:54,179 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-18 13:26:54,179 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-18 13:26:54,179 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-18 13:26:54,180 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-18 13:26:54,180 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-18 13:26:54,180 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-18 13:26:54,180 INFO L133 SettingsManager]: * Use constant arrays=true [2019-03-18 13:26:54,180 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-18 13:26:54,181 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-18 13:26:54,181 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-18 13:26:54,181 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-18 13:26:54,181 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-18 13:26:54,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-18 13:26:54,181 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-18 13:26:54,182 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-18 13:26:54,182 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-18 13:26:54,182 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-18 13:26:54,182 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-18 13:26:54,182 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-18 13:26:54,183 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 13:26:54,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-18 13:26:54,260 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-18 13:26:54,264 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-18 13:26:54,266 INFO L271 PluginConnector]: Initializing CDTParser... [2019-03-18 13:26:54,266 INFO L276 PluginConnector]: CDTParser initialized [2019-03-18 13:26:54,267 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_true-unreach-call.1.M1.c [2019-03-18 13:26:54,335 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b1f7c231/1b5170d167764eacb979bf98910c7794/FLAG257819487 [2019-03-18 13:26:54,920 INFO L307 CDTParser]: Found 1 translation units. [2019-03-18 13:26:54,921 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_true-unreach-call.1.M1.c [2019-03-18 13:26:54,951 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b1f7c231/1b5170d167764eacb979bf98910c7794/FLAG257819487 [2019-03-18 13:26:55,136 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b1f7c231/1b5170d167764eacb979bf98910c7794 [2019-03-18 13:26:55,146 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-18 13:26:55,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-03-18 13:26:55,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-03-18 13:26:55,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-03-18 13:26:55,154 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-03-18 13:26:55,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:26:55" (1/1) ... [2019-03-18 13:26:55,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fab7808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:55, skipping insertion in model container [2019-03-18 13:26:55,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:26:55" (1/1) ... [2019-03-18 13:26:55,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-03-18 13:26:55,260 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-03-18 13:26:55,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 13:26:55,914 INFO L191 MainTranslator]: Completed pre-run [2019-03-18 13:26:56,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 13:26:56,299 INFO L195 MainTranslator]: Completed translation [2019-03-18 13:26:56,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:56 WrapperNode [2019-03-18 13:26:56,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-03-18 13:26:56,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-18 13:26:56,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-18 13:26:56,301 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-18 13:26:56,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:56" (1/1) ... [2019-03-18 13:26:56,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:56" (1/1) ... [2019-03-18 13:26:58,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-18 13:26:58,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-18 13:26:58,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-18 13:26:58,251 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-18 13:26:58,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:56" (1/1) ... [2019-03-18 13:26:58,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:56" (1/1) ... [2019-03-18 13:26:58,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:56" (1/1) ... [2019-03-18 13:26:58,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:56" (1/1) ... [2019-03-18 13:26:59,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:56" (1/1) ... [2019-03-18 13:26:59,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:56" (1/1) ... [2019-03-18 13:26:59,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:56" (1/1) ... [2019-03-18 13:26:59,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-18 13:26:59,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-18 13:26:59,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-18 13:26:59,904 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-18 13:26:59,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:26:56" (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 13:26:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_U32 [2019-03-18 13:26:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-03-18 13:26:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_S8 [2019-03-18 13:26:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-03-18 13:26:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-03-18 13:26:59,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-03-18 13:26:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-03-18 13:26:59,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-18 13:26:59,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-03-18 13:27:42,781 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-03-18 13:27:42,781 INFO L286 CfgBuilder]: Removed 1846 assue(true) statements. [2019-03-18 13:27:42,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 01:27:42 BoogieIcfgContainer [2019-03-18 13:27:42,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-03-18 13:27:42,787 INFO L113 PluginConnector]: ------------------------IcfgToChc---------------------------- [2019-03-18 13:27:42,788 INFO L271 PluginConnector]: Initializing IcfgToChc... [2019-03-18 13:27:42,788 INFO L276 PluginConnector]: IcfgToChc initialized [2019-03-18 13:27:42,790 INFO L185 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 01:27:42" (1/1) ... Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown