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.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13656f4 [2019-03-17 12:58:24,456 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 12:58:24,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 12:58:24,476 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 12:58:24,477 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 12:58:24,478 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 12:58:24,480 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 12:58:24,483 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 12:58:24,485 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 12:58:24,494 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 12:58:24,495 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 12:58:24,495 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 12:58:24,497 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 12:58:24,498 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 12:58:24,501 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 12:58:24,502 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 12:58:24,503 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 12:58:24,506 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 12:58:24,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 12:58:24,514 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 12:58:24,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 12:58:24,517 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 12:58:24,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-17 12:58:24,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-17 12:58:24,522 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-17 12:58:24,522 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-17 12:58:24,523 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-17 12:58:24,524 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-17 12:58:24,525 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-17 12:58:24,525 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-17 12:58:24,528 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-17 12:58:24,529 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-17 12:58:24,531 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-17 12:58:24,531 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-17 12:58:24,531 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-17 12:58:24,532 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-17 12:58:24,533 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 12:58:24,534 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 12:58:24,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 12:58:24,535 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 12:58:24,557 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 12:58:24,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 12:58:24,559 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 12:58:24,559 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 12:58:24,560 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 12:58:24,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-17 12:58:24,560 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-17 12:58:24,560 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-17 12:58:24,560 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-17 12:58:24,561 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-17 12:58:24,561 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-17 12:58:24,562 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-17 12:58:24,562 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-17 12:58:24,562 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-17 12:58:24,562 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-17 12:58:24,562 INFO L133 SettingsManager]: * Use constant arrays=true [2019-03-17 12:58:24,563 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-17 12:58:24,563 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 12:58:24,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 12:58:24,563 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 12:58:24,563 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 12:58:24,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 12:58:24,565 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 12:58:24,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 12:58:24,565 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 12:58:24,565 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 12:58:24,565 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 12:58:24,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 12:58:24,566 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 12:58:24,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-17 12:58:24,647 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 12:58:24,651 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-17 12:58:24,652 INFO L271 PluginConnector]: Initializing CDTParser... [2019-03-17 12:58:24,653 INFO L276 PluginConnector]: CDTParser initialized [2019-03-17 12:58:24,654 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/seq-mthreaded/rekcba_nxt_true-unreach-call.3.M1.c [2019-03-17 12:58:24,711 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7d4f0339/ded3c46b24fc4614ba7243c0cd2e63de/FLAG5b5b0ff01 [2019-03-17 12:58:25,320 INFO L307 CDTParser]: Found 1 translation units. [2019-03-17 12:58:25,322 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/seq-mthreaded/rekcba_nxt_true-unreach-call.3.M1.c [2019-03-17 12:58:25,339 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7d4f0339/ded3c46b24fc4614ba7243c0cd2e63de/FLAG5b5b0ff01 [2019-03-17 12:58:25,520 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7d4f0339/ded3c46b24fc4614ba7243c0cd2e63de [2019-03-17 12:58:25,530 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-17 12:58:25,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-03-17 12:58:25,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-03-17 12:58:25,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-03-17 12:58:25,536 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-03-17 12:58:25,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 12:58:25" (1/1) ... [2019-03-17 12:58:25,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a5acd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:25, skipping insertion in model container [2019-03-17 12:58:25,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 12:58:25" (1/1) ... [2019-03-17 12:58:25,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-03-17 12:58:25,630 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-03-17 12:58:26,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-17 12:58:26,412 INFO L191 MainTranslator]: Completed pre-run [2019-03-17 12:58:26,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-17 12:58:26,741 INFO L195 MainTranslator]: Completed translation [2019-03-17 12:58:26,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:26 WrapperNode [2019-03-17 12:58:26,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-03-17 12:58:26,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-17 12:58:26,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-17 12:58:26,743 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-17 12:58:26,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:26" (1/1) ... [2019-03-17 12:58:26,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:26" (1/1) ... [2019-03-17 12:58:27,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-17 12:58:27,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-17 12:58:27,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-17 12:58:27,689 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-17 12:58:27,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:26" (1/1) ... [2019-03-17 12:58:27,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:26" (1/1) ... [2019-03-17 12:58:27,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:26" (1/1) ... [2019-03-17 12:58:27,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:26" (1/1) ... [2019-03-17 12:58:28,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:26" (1/1) ... [2019-03-17 12:58:28,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:26" (1/1) ... [2019-03-17 12:58:28,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:26" (1/1) ... [2019-03-17 12:58:28,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-17 12:58:28,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-17 12:58:28,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-17 12:58:28,402 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-17 12:58:28,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:58:26" (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 12:58:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_U32 [2019-03-17 12:58:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-03-17 12:58:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_S8 [2019-03-17 12:58:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-03-17 12:58:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-03-17 12:58:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-03-17 12:58:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-03-17 12:58:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-17 12:58:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-03-17 12:58:50,792 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-03-17 12:58:50,793 INFO L286 CfgBuilder]: Removed 2366 assue(true) statements. [2019-03-17 12:58:50,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 12:58:50 BoogieIcfgContainer [2019-03-17 12:58:50,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-03-17 12:58:50,797 INFO L113 PluginConnector]: ------------------------IcfgToChc---------------------------- [2019-03-17 12:58:50,797 INFO L271 PluginConnector]: Initializing IcfgToChc... [2019-03-17 12:58:50,797 INFO L276 PluginConnector]: IcfgToChc initialized [2019-03-17 12:58:50,799 INFO L185 PluginConnector]: Executing the observer IcfgToChcObserver from plugin IcfgToChc for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 12:58:50" (1/1) ... Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown