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.2.M4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13656f4 [2019-03-17 12:59:21,343 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 12:59:21,345 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 12:59:21,357 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 12:59:21,357 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 12:59:21,358 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 12:59:21,359 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 12:59:21,361 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 12:59:21,363 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 12:59:21,363 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 12:59:21,364 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 12:59:21,364 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 12:59:21,365 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 12:59:21,366 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 12:59:21,368 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 12:59:21,368 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 12:59:21,369 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 12:59:21,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 12:59:21,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 12:59:21,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 12:59:21,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 12:59:21,376 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 12:59:21,379 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-17 12:59:21,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-17 12:59:21,379 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-17 12:59:21,380 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-17 12:59:21,380 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-17 12:59:21,381 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-17 12:59:21,381 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-17 12:59:21,382 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-17 12:59:21,383 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-17 12:59:21,383 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-17 12:59:21,384 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-17 12:59:21,385 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-17 12:59:21,385 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-17 12:59:21,386 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-17 12:59:21,386 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 12:59:21,387 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 12:59:21,388 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 12:59:21,388 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 12:59:21,412 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 12:59:21,413 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 12:59:21,414 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 12:59:21,414 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 12:59:21,414 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 12:59:21,414 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-17 12:59:21,415 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-17 12:59:21,415 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-17 12:59:21,415 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-17 12:59:21,415 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-17 12:59:21,415 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-17 12:59:21,415 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-17 12:59:21,416 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-17 12:59:21,416 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-17 12:59:21,416 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-17 12:59:21,416 INFO L133 SettingsManager]: * Use constant arrays=true [2019-03-17 12:59:21,416 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-17 12:59:21,417 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 12:59:21,420 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 12:59:21,420 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 12:59:21,420 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 12:59:21,420 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 12:59:21,420 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 12:59:21,421 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 12:59:21,421 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 12:59:21,421 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 12:59:21,421 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 12:59:21,421 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 12:59:21,421 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 12:59:21,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-17 12:59:21,485 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 12:59:21,491 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-17 12:59:21,492 INFO L271 PluginConnector]: Initializing CDTParser... [2019-03-17 12:59:21,493 INFO L276 PluginConnector]: CDTParser initialized [2019-03-17 12:59:21,493 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_true-unreach-call.2.M4.c [2019-03-17 12:59:21,548 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c31d7613/baf6774eda0e4eedabecf5e6529949c4/FLAG9f8684411 [2019-03-17 12:59:22,225 INFO L307 CDTParser]: Found 1 translation units. [2019-03-17 12:59:22,226 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_true-unreach-call.2.M4.c [2019-03-17 12:59:22,260 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c31d7613/baf6774eda0e4eedabecf5e6529949c4/FLAG9f8684411 [2019-03-17 12:59:22,451 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c31d7613/baf6774eda0e4eedabecf5e6529949c4 [2019-03-17 12:59:22,461 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-17 12:59:22,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-03-17 12:59:22,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-03-17 12:59:22,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-03-17 12:59:22,470 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-03-17 12:59:22,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 12:59:22" (1/1) ... [2019-03-17 12:59:22,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc2099a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:22, skipping insertion in model container [2019-03-17 12:59:22,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 12:59:22" (1/1) ... [2019-03-17 12:59:22,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-03-17 12:59:22,557 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-03-17 12:59:23,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-17 12:59:23,290 INFO L191 MainTranslator]: Completed pre-run [2019-03-17 12:59:23,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-17 12:59:23,662 INFO L195 MainTranslator]: Completed translation [2019-03-17 12:59:23,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:23 WrapperNode [2019-03-17 12:59:23,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-03-17 12:59:23,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-17 12:59:23,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-17 12:59:23,665 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-17 12:59:23,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:23" (1/1) ... [2019-03-17 12:59:23,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:23" (1/1) ... [2019-03-17 12:59:33,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-17 12:59:33,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-17 12:59:33,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-17 12:59:33,784 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-17 12:59:33,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:23" (1/1) ... [2019-03-17 12:59:33,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:23" (1/1) ... [2019-03-17 12:59:34,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:23" (1/1) ... [2019-03-17 12:59:34,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:23" (1/1) ... [2019-03-17 12:59:40,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:23" (1/1) ... [2019-03-17 12:59:41,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:23" (1/1) ... [2019-03-17 12:59:42,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:23" (1/1) ... [2019-03-17 12:59:42,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-17 12:59:42,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-17 12:59:42,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-17 12:59:42,892 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-17 12:59:42,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:59:23" (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 12:59:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_U32 [2019-03-17 12:59:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-03-17 12:59:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_S8 [2019-03-17 12:59:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-03-17 12:59:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-03-17 12:59:42,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-03-17 12:59:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-03-17 12:59:42,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-17 12:59:42,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start Received shutdown request... [2019-03-17 13:00:11,956 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder. Reason: Timeout or Toolchain cancelled by user [2019-03-17 13:00:11,957 INFO L168 Benchmark]: Toolchain (without parser) took 49495.73 ms. Allocated memory was 114.8 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 59.6 MB in the beginning and 475.2 MB in the end (delta: -415.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2019-03-17 13:00:11,960 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 114.8 MB. Free memory is still 81.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2019-03-17 13:00:11,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1199.94 ms. Allocated memory was 114.8 MB in the beginning and 126.4 MB in the end (delta: 11.5 MB). Free memory was 59.6 MB in the beginning and 46.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 3.6 GB. [2019-03-17 13:00:11,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 10118.80 ms. Allocated memory was 126.4 MB in the beginning and 964.7 MB in the end (delta: 838.3 MB). Free memory was 46.8 MB in the beginning and 438.4 MB in the end (delta: -391.6 MB). Peak memory consumption was 628.6 MB. Max. memory is 3.6 GB. [2019-03-17 13:00:11,963 INFO L168 Benchmark]: Boogie Preprocessor took 9108.11 ms. Allocated memory was 964.7 MB in the beginning and 1.3 GB in the end (delta: 292.6 MB). Free memory was 438.4 MB in the beginning and 361.5 MB in the end (delta: 76.9 MB). Peak memory consumption was 504.2 MB. Max. memory is 3.6 GB. [2019-03-17 13:00:11,964 INFO L168 Benchmark]: RCFGBuilder took 29064.93 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 288.9 MB). Free memory was 361.5 MB in the beginning and 475.2 MB in the end (delta: -113.7 MB). Peak memory consumption was 374.5 MB. Max. memory is 3.6 GB. [2019-03-17 13:00:11,971 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 114.8 MB. Free memory is still 81.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * CACSL2BoogieTranslator took 1199.94 ms. Allocated memory was 114.8 MB in the beginning and 126.4 MB in the end (delta: 11.5 MB). Free memory was 59.6 MB in the beginning and 46.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 3.6 GB. * Boogie Procedure Inliner took 10118.80 ms. Allocated memory was 126.4 MB in the beginning and 964.7 MB in the end (delta: 838.3 MB). Free memory was 46.8 MB in the beginning and 438.4 MB in the end (delta: -391.6 MB). Peak memory consumption was 628.6 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 9108.11 ms. Allocated memory was 964.7 MB in the beginning and 1.3 GB in the end (delta: 292.6 MB). Free memory was 438.4 MB in the beginning and 361.5 MB in the end (delta: 76.9 MB). Peak memory consumption was 504.2 MB. Max. memory is 3.6 GB. * RCFGBuilder took 29064.93 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 288.9 MB). Free memory was 361.5 MB in the beginning and 475.2 MB in the end (delta: -113.7 MB). Peak memory consumption was 374.5 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