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.2.M4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-bb6c3a7 [2019-03-18 13:24:17,169 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-18 13:24:17,174 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-18 13:24:17,189 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-18 13:24:17,190 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-18 13:24:17,193 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-18 13:24:17,194 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-18 13:24:17,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-18 13:24:17,200 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-18 13:24:17,200 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-18 13:24:17,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-18 13:24:17,203 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-18 13:24:17,204 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-18 13:24:17,205 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-18 13:24:17,209 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-18 13:24:17,210 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-18 13:24:17,211 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-18 13:24:17,221 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-18 13:24:17,225 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-18 13:24:17,228 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-18 13:24:17,229 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-18 13:24:17,230 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-18 13:24:17,236 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-18 13:24:17,236 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-18 13:24:17,236 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-18 13:24:17,238 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-18 13:24:17,239 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-18 13:24:17,240 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-18 13:24:17,240 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-18 13:24:17,243 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-18 13:24:17,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-18 13:24:17,245 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-18 13:24:17,246 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-18 13:24:17,246 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-18 13:24:17,247 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-18 13:24:17,247 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-18 13:24:17,247 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-18 13:24:17,248 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-18 13:24:17,249 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-18 13:24:17,249 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 13:24:17,265 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-18 13:24:17,265 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-18 13:24:17,266 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-18 13:24:17,266 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-18 13:24:17,267 INFO L133 SettingsManager]: * Use SBE=true [2019-03-18 13:24:17,267 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-18 13:24:17,267 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-18 13:24:17,267 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-18 13:24:17,267 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-18 13:24:17,268 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-18 13:24:17,268 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-18 13:24:17,268 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-18 13:24:17,268 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-18 13:24:17,268 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-18 13:24:17,268 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-18 13:24:17,269 INFO L133 SettingsManager]: * Use constant arrays=true [2019-03-18 13:24:17,269 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-18 13:24:17,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-18 13:24:17,269 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-18 13:24:17,269 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-18 13:24:17,270 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-18 13:24:17,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-18 13:24:17,270 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-18 13:24:17,270 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-18 13:24:17,270 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-18 13:24:17,272 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-18 13:24:17,272 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-18 13:24:17,272 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-18 13:24:17,272 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 13:24:17,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-18 13:24:17,336 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-18 13:24:17,340 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-18 13:24:17,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-03-18 13:24:17,342 INFO L276 PluginConnector]: CDTParser initialized [2019-03-18 13:24:17,343 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_false-unreach-call.2.M4.c [2019-03-18 13:24:17,402 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03232dd3c/3cc6afccd703498b9bb949b05fe475c6/FLAG39c98f75d [2019-03-18 13:24:18,083 INFO L307 CDTParser]: Found 1 translation units. [2019-03-18 13:24:18,084 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_false-unreach-call.2.M4.c [2019-03-18 13:24:18,105 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03232dd3c/3cc6afccd703498b9bb949b05fe475c6/FLAG39c98f75d [2019-03-18 13:24:18,206 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03232dd3c/3cc6afccd703498b9bb949b05fe475c6 [2019-03-18 13:24:18,217 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-18 13:24:18,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-03-18 13:24:18,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-03-18 13:24:18,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-03-18 13:24:18,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-03-18 13:24:18,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:24:18" (1/1) ... [2019-03-18 13:24:18,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66113795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:18, skipping insertion in model container [2019-03-18 13:24:18,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:24:18" (1/1) ... [2019-03-18 13:24:18,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-03-18 13:24:18,313 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-03-18 13:24:19,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 13:24:19,235 INFO L191 MainTranslator]: Completed pre-run [2019-03-18 13:24:19,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 13:24:19,686 INFO L195 MainTranslator]: Completed translation [2019-03-18 13:24:19,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:19 WrapperNode [2019-03-18 13:24:19,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-03-18 13:24:19,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-18 13:24:19,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-18 13:24:19,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-18 13:24:19,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:19" (1/1) ... [2019-03-18 13:24:19,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:19" (1/1) ... [2019-03-18 13:24:32,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-18 13:24:32,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-18 13:24:32,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-18 13:24:32,655 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-18 13:24:32,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:19" (1/1) ... [2019-03-18 13:24:32,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:19" (1/1) ... [2019-03-18 13:24:33,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:19" (1/1) ... [2019-03-18 13:24:33,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:19" (1/1) ... [2019-03-18 13:24:41,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:19" (1/1) ... [2019-03-18 13:24:43,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:19" (1/1) ... [2019-03-18 13:24:43,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:19" (1/1) ... [2019-03-18 13:24:50,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-18 13:24:50,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-18 13:24:50,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-18 13:24:50,348 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-18 13:24:50,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:19" (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 13:24:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_U32 [2019-03-18 13:24:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-03-18 13:24:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_S8 [2019-03-18 13:24:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-03-18 13:24:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-03-18 13:24:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-03-18 13:24:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-03-18 13:24:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-18 13:24:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start Received shutdown request... [2019-03-18 13:25:05,546 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 13:25:05,549 INFO L168 Benchmark]: Toolchain (without parser) took 47331.31 ms. Allocated memory was 100.1 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 70.9 MB in the beginning and 526.7 MB in the end (delta: -455.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 3.6 GB. [2019-03-18 13:25:05,552 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 88.6 MB. Free memory is still 57.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2019-03-18 13:25:05,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1468.52 ms. Allocated memory was 100.1 MB in the beginning and 140.5 MB in the end (delta: 40.4 MB). Free memory was 70.6 MB in the beginning and 78.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 46.8 MB. Max. memory is 3.6 GB. [2019-03-18 13:25:05,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 12964.91 ms. Allocated memory was 140.5 MB in the beginning and 1.1 GB in the end (delta: 976.7 MB). Free memory was 78.1 MB in the beginning and 387.6 MB in the end (delta: -309.5 MB). Peak memory consumption was 869.6 MB. Max. memory is 3.6 GB. [2019-03-18 13:25:05,562 INFO L168 Benchmark]: Boogie Preprocessor took 17692.83 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 750.3 MB). Free memory was 387.6 MB in the beginning and 666.9 MB in the end (delta: -279.3 MB). Peak memory consumption was 827.3 MB. Max. memory is 3.6 GB. [2019-03-18 13:25:05,563 INFO L168 Benchmark]: RCFGBuilder took 15199.97 ms. Allocated memory was 1.9 GB in the beginning and 2.1 GB in the end (delta: 242.2 MB). Free memory was 666.9 MB in the beginning and 526.7 MB in the end (delta: 140.2 MB). Peak memory consumption was 527.2 MB. Max. memory is 3.6 GB. [2019-03-18 13:25:05,573 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 88.6 MB. Free memory is still 57.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * CACSL2BoogieTranslator took 1468.52 ms. Allocated memory was 100.1 MB in the beginning and 140.5 MB in the end (delta: 40.4 MB). Free memory was 70.6 MB in the beginning and 78.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 46.8 MB. Max. memory is 3.6 GB. * Boogie Procedure Inliner took 12964.91 ms. Allocated memory was 140.5 MB in the beginning and 1.1 GB in the end (delta: 976.7 MB). Free memory was 78.1 MB in the beginning and 387.6 MB in the end (delta: -309.5 MB). Peak memory consumption was 869.6 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 17692.83 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 750.3 MB). Free memory was 387.6 MB in the beginning and 666.9 MB in the end (delta: -279.3 MB). Peak memory consumption was 827.3 MB. Max. memory is 3.6 GB. * RCFGBuilder took 15199.97 ms. Allocated memory was 1.9 GB in the beginning and 2.1 GB in the end (delta: 242.2 MB). Free memory was 666.9 MB in the beginning and 526.7 MB in the end (delta: 140.2 MB). Peak memory consumption was 527.2 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 1 quantified variables from 2 xjuncts. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown