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.3.M4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-bb6c3a7 [2019-03-18 13:27:10,326 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-18 13:27:10,328 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-18 13:27:10,340 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-18 13:27:10,340 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-18 13:27:10,341 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-18 13:27:10,342 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-18 13:27:10,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-18 13:27:10,346 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-18 13:27:10,347 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-18 13:27:10,348 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-18 13:27:10,348 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-18 13:27:10,349 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-18 13:27:10,350 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-18 13:27:10,351 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-18 13:27:10,352 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-18 13:27:10,353 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-18 13:27:10,355 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-18 13:27:10,357 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-18 13:27:10,358 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-18 13:27:10,359 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-18 13:27:10,361 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-18 13:27:10,363 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-18 13:27:10,364 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-18 13:27:10,364 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-18 13:27:10,365 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-18 13:27:10,365 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-18 13:27:10,366 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-18 13:27:10,366 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-18 13:27:10,367 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-18 13:27:10,368 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-18 13:27:10,369 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-18 13:27:10,370 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-18 13:27:10,370 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-18 13:27:10,371 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-18 13:27:10,371 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-18 13:27:10,371 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-18 13:27:10,373 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-18 13:27:10,374 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-18 13:27:10,374 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 13:27:10,392 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-18 13:27:10,393 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-18 13:27:10,394 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-18 13:27:10,394 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-18 13:27:10,394 INFO L133 SettingsManager]: * Use SBE=true [2019-03-18 13:27:10,395 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-18 13:27:10,395 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-18 13:27:10,395 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-18 13:27:10,395 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-18 13:27:10,395 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-18 13:27:10,395 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-18 13:27:10,396 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-18 13:27:10,398 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-18 13:27:10,398 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-18 13:27:10,398 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-18 13:27:10,398 INFO L133 SettingsManager]: * Use constant arrays=true [2019-03-18 13:27:10,398 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-18 13:27:10,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-18 13:27:10,400 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-18 13:27:10,400 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-18 13:27:10,400 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-18 13:27:10,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-18 13:27:10,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-18 13:27:10,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-18 13:27:10,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-18 13:27:10,401 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-18 13:27:10,402 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-18 13:27:10,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-18 13:27:10,402 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 13:27:10,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-18 13:27:10,472 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-18 13:27:10,478 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-18 13:27:10,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-03-18 13:27:10,481 INFO L276 PluginConnector]: CDTParser initialized [2019-03-18 13:27:10,482 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_true-unreach-call.3.M4.c [2019-03-18 13:27:10,544 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74180c546/620585323f364009a913e8376b1193e1/FLAGd871e5468 [2019-03-18 13:27:11,213 INFO L307 CDTParser]: Found 1 translation units. [2019-03-18 13:27:11,217 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_true-unreach-call.3.M4.c [2019-03-18 13:27:11,243 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74180c546/620585323f364009a913e8376b1193e1/FLAGd871e5468 [2019-03-18 13:27:11,376 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74180c546/620585323f364009a913e8376b1193e1 [2019-03-18 13:27:11,385 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-18 13:27:11,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-03-18 13:27:11,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-03-18 13:27:11,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-03-18 13:27:11,392 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-03-18 13:27:11,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:27:11" (1/1) ... [2019-03-18 13:27:11,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35948ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:11, skipping insertion in model container [2019-03-18 13:27:11,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:27:11" (1/1) ... [2019-03-18 13:27:11,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-03-18 13:27:11,484 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-03-18 13:27:12,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 13:27:12,308 INFO L191 MainTranslator]: Completed pre-run [2019-03-18 13:27:12,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 13:27:12,658 INFO L195 MainTranslator]: Completed translation [2019-03-18 13:27:12,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:12 WrapperNode [2019-03-18 13:27:12,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-03-18 13:27:12,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-18 13:27:12,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-18 13:27:12,661 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-18 13:27:12,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:12" (1/1) ... [2019-03-18 13:27:12,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:12" (1/1) ... [2019-03-18 13:27:25,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-18 13:27:25,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-18 13:27:25,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-18 13:27:25,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-18 13:27:25,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:12" (1/1) ... [2019-03-18 13:27:25,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:12" (1/1) ... [2019-03-18 13:27:26,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:12" (1/1) ... [2019-03-18 13:27:26,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:12" (1/1) ... [2019-03-18 13:27:35,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:12" (1/1) ... [2019-03-18 13:27:36,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:12" (1/1) ... [2019-03-18 13:27:37,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:12" (1/1) ... [2019-03-18 13:27:43,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-18 13:27:43,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-18 13:27:43,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-18 13:27:43,328 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-18 13:27:43,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:27:12" (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 13:27:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_U32 [2019-03-18 13:27:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-03-18 13:27:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_S8 [2019-03-18 13:27:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-03-18 13:27:43,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-03-18 13:27:43,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-03-18 13:27:43,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-03-18 13:27:43,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-18 13:27:43,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start Received shutdown request... [2019-03-18 13:27:57,904 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder. Reason: Timeout or Toolchain cancelled by user [2019-03-18 13:27:57,907 INFO L168 Benchmark]: Toolchain (without parser) took 46520.97 ms. Allocated memory was 101.2 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 70.1 MB in the beginning and 729.7 MB in the end (delta: -659.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 3.6 GB. [2019-03-18 13:27:57,909 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 90.7 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2019-03-18 13:27:57,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1271.81 ms. Allocated memory was 101.2 MB in the beginning and 133.7 MB in the end (delta: 32.5 MB). Free memory was 69.7 MB in the beginning and 66.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 51.8 MB. Max. memory is 3.6 GB. [2019-03-18 13:27:57,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 13148.68 ms. Allocated memory was 133.7 MB in the beginning and 1.1 GB in the end (delta: 971.5 MB). Free memory was 66.1 MB in the beginning and 373.4 MB in the end (delta: -307.3 MB). Peak memory consumption was 869.6 MB. Max. memory is 3.6 GB. [2019-03-18 13:27:57,912 INFO L168 Benchmark]: Boogie Preprocessor took 17518.05 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 590.9 MB). Free memory was 373.4 MB in the beginning and 496.2 MB in the end (delta: -122.8 MB). Peak memory consumption was 718.3 MB. Max. memory is 3.6 GB. [2019-03-18 13:27:57,915 INFO L168 Benchmark]: RCFGBuilder took 14577.96 ms. Allocated memory was 1.7 GB in the beginning and 2.0 GB in the end (delta: 316.1 MB). Free memory was 496.2 MB in the beginning and 729.7 MB in the end (delta: -233.6 MB). Peak memory consumption was 532.4 MB. Max. memory is 3.6 GB. [2019-03-18 13:27:57,923 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 90.7 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * CACSL2BoogieTranslator took 1271.81 ms. Allocated memory was 101.2 MB in the beginning and 133.7 MB in the end (delta: 32.5 MB). Free memory was 69.7 MB in the beginning and 66.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 51.8 MB. Max. memory is 3.6 GB. * Boogie Procedure Inliner took 13148.68 ms. Allocated memory was 133.7 MB in the beginning and 1.1 GB in the end (delta: 971.5 MB). Free memory was 66.1 MB in the beginning and 373.4 MB in the end (delta: -307.3 MB). Peak memory consumption was 869.6 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 17518.05 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 590.9 MB). Free memory was 373.4 MB in the beginning and 496.2 MB in the end (delta: -122.8 MB). Peak memory consumption was 718.3 MB. Max. memory is 3.6 GB. * RCFGBuilder took 14577.96 ms. Allocated memory was 1.7 GB in the beginning and 2.0 GB in the end (delta: 316.1 MB). Free memory was 496.2 MB in the beginning and 729.7 MB in the end (delta: -233.6 MB). Peak memory consumption was 532.4 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder) Toolchain cancelled while XnfDer was eliminating 4 quantified variables from 7 xjuncts. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown