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.M4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-bb6c3a7 [2019-03-18 13:24:08,316 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-18 13:24:08,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-18 13:24:08,330 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-18 13:24:08,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-18 13:24:08,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-18 13:24:08,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-18 13:24:08,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-18 13:24:08,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-18 13:24:08,337 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-18 13:24:08,338 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-18 13:24:08,338 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-18 13:24:08,339 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-18 13:24:08,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-18 13:24:08,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-18 13:24:08,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-18 13:24:08,343 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-18 13:24:08,345 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-18 13:24:08,347 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-18 13:24:08,348 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-18 13:24:08,349 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-18 13:24:08,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-18 13:24:08,353 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-18 13:24:08,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-18 13:24:08,354 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-18 13:24:08,355 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-18 13:24:08,356 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-18 13:24:08,357 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-18 13:24:08,357 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-18 13:24:08,358 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-18 13:24:08,358 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-18 13:24:08,359 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-18 13:24:08,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-18 13:24:08,361 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-18 13:24:08,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-18 13:24:08,362 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-18 13:24:08,362 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-18 13:24:08,363 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-18 13:24:08,364 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-18 13:24:08,364 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 13:24:08,379 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-18 13:24:08,379 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-18 13:24:08,380 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-18 13:24:08,380 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-18 13:24:08,380 INFO L133 SettingsManager]: * Use SBE=true [2019-03-18 13:24:08,381 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-18 13:24:08,381 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-18 13:24:08,381 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-18 13:24:08,381 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-18 13:24:08,381 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-18 13:24:08,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-18 13:24:08,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-18 13:24:08,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-18 13:24:08,382 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-18 13:24:08,382 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-18 13:24:08,382 INFO L133 SettingsManager]: * Use constant arrays=true [2019-03-18 13:24:08,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-18 13:24:08,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-18 13:24:08,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-18 13:24:08,383 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-18 13:24:08,384 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-18 13:24:08,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-18 13:24:08,384 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-18 13:24:08,384 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-18 13:24:08,384 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-18 13:24:08,384 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-18 13:24:08,385 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-18 13:24:08,385 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-18 13:24:08,385 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 13:24:08,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-18 13:24:08,451 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-18 13:24:08,457 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-18 13:24:08,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-03-18 13:24:08,459 INFO L276 PluginConnector]: CDTParser initialized [2019-03-18 13:24:08,459 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_false-unreach-call.1.M4.c [2019-03-18 13:24:08,524 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779bef191/0074aa288bd1485bbc6b960586b0ab64/FLAG988367ca6 [2019-03-18 13:24:09,140 INFO L307 CDTParser]: Found 1 translation units. [2019-03-18 13:24:09,145 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_false-unreach-call.1.M4.c [2019-03-18 13:24:09,172 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779bef191/0074aa288bd1485bbc6b960586b0ab64/FLAG988367ca6 [2019-03-18 13:24:09,355 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779bef191/0074aa288bd1485bbc6b960586b0ab64 [2019-03-18 13:24:09,364 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-18 13:24:09,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-03-18 13:24:09,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-03-18 13:24:09,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-03-18 13:24:09,371 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-03-18 13:24:09,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:24:09" (1/1) ... [2019-03-18 13:24:09,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb9809d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:09, skipping insertion in model container [2019-03-18 13:24:09,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:24:09" (1/1) ... [2019-03-18 13:24:09,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-03-18 13:24:09,467 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-03-18 13:24:10,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 13:24:10,278 INFO L191 MainTranslator]: Completed pre-run [2019-03-18 13:24:10,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-18 13:24:10,637 INFO L195 MainTranslator]: Completed translation [2019-03-18 13:24:10,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:10 WrapperNode [2019-03-18 13:24:10,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-03-18 13:24:10,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-18 13:24:10,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-18 13:24:10,639 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-18 13:24:10,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:10" (1/1) ... [2019-03-18 13:24:10,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:10" (1/1) ... [2019-03-18 13:24:18,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-18 13:24:18,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-18 13:24:18,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-18 13:24:18,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-18 13:24:18,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:10" (1/1) ... [2019-03-18 13:24:18,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:10" (1/1) ... [2019-03-18 13:24:19,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:10" (1/1) ... [2019-03-18 13:24:19,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:10" (1/1) ... [2019-03-18 13:24:25,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:10" (1/1) ... [2019-03-18 13:24:26,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:10" (1/1) ... [2019-03-18 13:24:27,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:10" (1/1) ... [2019-03-18 13:24:31,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-18 13:24:31,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-18 13:24:31,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-18 13:24:31,890 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-18 13:24:31,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:24:10" (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 13:24:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_U32 [2019-03-18 13:24:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-03-18 13:24:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_S8 [2019-03-18 13:24:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-03-18 13:24:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-03-18 13:24:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-03-18 13:24:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-03-18 13:24:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-18 13:24:31,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start Received shutdown request... [2019-03-18 13:25:00,020 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 13:25:00,022 INFO L168 Benchmark]: Toolchain (without parser) took 50657.50 ms. Allocated memory was 99.6 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 71.1 MB in the beginning and 544.4 MB in the end (delta: -473.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2019-03-18 13:25:00,025 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory is still 57.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2019-03-18 13:25:00,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1271.05 ms. Allocated memory was 99.6 MB in the beginning and 136.3 MB in the end (delta: 36.7 MB). Free memory was 70.8 MB in the beginning and 83.3 MB in the end (delta: -12.4 MB). Peak memory consumption was 45.9 MB. Max. memory is 3.6 GB. [2019-03-18 13:25:00,026 INFO L168 Benchmark]: Boogie Procedure Inliner took 8073.79 ms. Allocated memory was 136.3 MB in the beginning and 788.5 MB in the end (delta: 652.2 MB). Free memory was 83.3 MB in the beginning and 250.2 MB in the end (delta: -166.9 MB). Peak memory consumption was 556.2 MB. Max. memory is 3.6 GB. [2019-03-18 13:25:00,027 INFO L168 Benchmark]: Boogie Preprocessor took 13176.33 ms. Allocated memory was 788.5 MB in the beginning and 1.3 GB in the end (delta: 547.4 MB). Free memory was 250.2 MB in the beginning and 509.5 MB in the end (delta: -259.3 MB). Peak memory consumption was 561.5 MB. Max. memory is 3.6 GB. [2019-03-18 13:25:00,029 INFO L168 Benchmark]: RCFGBuilder took 28131.98 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 229.1 MB). Free memory was 509.5 MB in the beginning and 544.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 498.2 MB. Max. memory is 3.6 GB. [2019-03-18 13:25:00,034 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 88.1 MB. Free memory is still 57.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * CACSL2BoogieTranslator took 1271.05 ms. Allocated memory was 99.6 MB in the beginning and 136.3 MB in the end (delta: 36.7 MB). Free memory was 70.8 MB in the beginning and 83.3 MB in the end (delta: -12.4 MB). Peak memory consumption was 45.9 MB. Max. memory is 3.6 GB. * Boogie Procedure Inliner took 8073.79 ms. Allocated memory was 136.3 MB in the beginning and 788.5 MB in the end (delta: 652.2 MB). Free memory was 83.3 MB in the beginning and 250.2 MB in the end (delta: -166.9 MB). Peak memory consumption was 556.2 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 13176.33 ms. Allocated memory was 788.5 MB in the beginning and 1.3 GB in the end (delta: 547.4 MB). Free memory was 250.2 MB in the beginning and 509.5 MB in the end (delta: -259.3 MB). Peak memory consumption was 561.5 MB. Max. memory is 3.6 GB. * RCFGBuilder took 28131.98 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 229.1 MB). Free memory was 509.5 MB in the beginning and 544.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 498.2 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