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 0.1.24-13656f4 [2019-03-17 12:56:36,153 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-03-17 12:56:36,157 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-03-17 12:56:36,172 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-03-17 12:56:36,173 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-03-17 12:56:36,174 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-03-17 12:56:36,176 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-03-17 12:56:36,179 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-03-17 12:56:36,181 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-03-17 12:56:36,181 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-03-17 12:56:36,182 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-03-17 12:56:36,183 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-03-17 12:56:36,184 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-03-17 12:56:36,185 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-03-17 12:56:36,186 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-03-17 12:56:36,187 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-03-17 12:56:36,187 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-03-17 12:56:36,189 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-03-17 12:56:36,191 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-03-17 12:56:36,193 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-03-17 12:56:36,194 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-03-17 12:56:36,196 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-03-17 12:56:36,198 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-03-17 12:56:36,199 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-03-17 12:56:36,199 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-03-17 12:56:36,200 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-03-17 12:56:36,201 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-03-17 12:56:36,202 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-03-17 12:56:36,202 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-03-17 12:56:36,203 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-03-17 12:56:36,204 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-03-17 12:56:36,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-03-17 12:56:36,209 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-03-17 12:56:36,209 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-03-17 12:56:36,210 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-03-17 12:56:36,211 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-03-17 12:56:36,211 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-03-17 12:56:36,212 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-03-17 12:56:36,213 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-03-17 12:56:36,213 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 12:56:36,231 INFO L110 SettingsManager]: Loading preferences was successful [2019-03-17 12:56:36,231 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-03-17 12:56:36,235 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-03-17 12:56:36,235 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-03-17 12:56:36,235 INFO L133 SettingsManager]: * Use SBE=true [2019-03-17 12:56:36,236 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-03-17 12:56:36,236 INFO L133 SettingsManager]: * sizeof long=4 [2019-03-17 12:56:36,236 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-03-17 12:56:36,236 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-03-17 12:56:36,236 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-03-17 12:56:36,236 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-03-17 12:56:36,237 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-03-17 12:56:36,237 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-03-17 12:56:36,237 INFO L133 SettingsManager]: * sizeof long double=12 [2019-03-17 12:56:36,237 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-03-17 12:56:36,237 INFO L133 SettingsManager]: * Use constant arrays=true [2019-03-17 12:56:36,238 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-03-17 12:56:36,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-03-17 12:56:36,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-03-17 12:56:36,240 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-03-17 12:56:36,240 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-03-17 12:56:36,240 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-03-17 12:56:36,240 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-03-17 12:56:36,240 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-03-17 12:56:36,241 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-03-17 12:56:36,241 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-03-17 12:56:36,241 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-03-17 12:56:36,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-03-17 12:56:36,241 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 12:56:36,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-03-17 12:56:36,302 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-03-17 12:56:36,306 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-03-17 12:56:36,307 INFO L271 PluginConnector]: Initializing CDTParser... [2019-03-17 12:56:36,308 INFO L276 PluginConnector]: CDTParser initialized [2019-03-17 12:56:36,309 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_false-unreach-call.2.M4.c [2019-03-17 12:56:36,365 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51432081d/ae337f57b6624cb08bc4ee096fd8213e/FLAG48615cf9c [2019-03-17 12:56:36,971 INFO L307 CDTParser]: Found 1 translation units. [2019-03-17 12:56:36,972 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/seq-mthreaded/rekh_nxt_false-unreach-call.2.M4.c [2019-03-17 12:56:36,997 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51432081d/ae337f57b6624cb08bc4ee096fd8213e/FLAG48615cf9c [2019-03-17 12:56:37,164 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51432081d/ae337f57b6624cb08bc4ee096fd8213e [2019-03-17 12:56:37,174 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-03-17 12:56:37,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-03-17 12:56:37,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-03-17 12:56:37,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-03-17 12:56:37,181 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-03-17 12:56:37,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 12:56:37" (1/1) ... [2019-03-17 12:56:37,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b6674b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:37, skipping insertion in model container [2019-03-17 12:56:37,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 12:56:37" (1/1) ... [2019-03-17 12:56:37,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-03-17 12:56:37,274 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-03-17 12:56:38,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-17 12:56:38,231 INFO L191 MainTranslator]: Completed pre-run [2019-03-17 12:56:38,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-03-17 12:56:38,628 INFO L195 MainTranslator]: Completed translation [2019-03-17 12:56:38,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:38 WrapperNode [2019-03-17 12:56:38,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-03-17 12:56:38,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-03-17 12:56:38,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-03-17 12:56:38,631 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-03-17 12:56:38,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:38" (1/1) ... [2019-03-17 12:56:38,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:38" (1/1) ... [2019-03-17 12:56:52,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-03-17 12:56:52,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-03-17 12:56:52,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-03-17 12:56:52,756 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-03-17 12:56:52,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:38" (1/1) ... [2019-03-17 12:56:52,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:38" (1/1) ... [2019-03-17 12:56:54,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:38" (1/1) ... [2019-03-17 12:56:54,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:38" (1/1) ... [2019-03-17 12:57:02,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:38" (1/1) ... [2019-03-17 12:57:03,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:38" (1/1) ... [2019-03-17 12:57:04,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:38" (1/1) ... [2019-03-17 12:57:05,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-03-17 12:57:05,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-03-17 12:57:05,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-03-17 12:57:05,392 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-03-17 12:57:05,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 12:56:38" (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 12:57:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_U32 [2019-03-17 12:57:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-03-17 12:57:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_S8 [2019-03-17 12:57:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-03-17 12:57:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-03-17 12:57:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-03-17 12:57:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-03-17 12:57:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-03-17 12:57:05,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start Received shutdown request... [2019-03-17 12:57:23,592 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 12:57:23,594 INFO L168 Benchmark]: Toolchain (without parser) took 46419.07 ms. Allocated memory was 116.4 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 61.9 MB in the beginning and 505.2 MB in the end (delta: -443.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2019-03-17 12:57:23,596 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 116.4 MB. Free memory is still 83.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2019-03-17 12:57:23,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1453.18 ms. Allocated memory was 116.4 MB in the beginning and 184.0 MB in the end (delta: 67.6 MB). Free memory was 61.9 MB in the beginning and 107.6 MB in the end (delta: -45.7 MB). Peak memory consumption was 40.3 MB. Max. memory is 3.6 GB. [2019-03-17 12:57:23,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 14124.81 ms. Allocated memory was 184.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 107.6 MB in the beginning and 445.3 MB in the end (delta: -337.7 MB). Peak memory consumption was 866.4 MB. Max. memory is 3.6 GB. [2019-03-17 12:57:23,603 INFO L168 Benchmark]: Boogie Preprocessor took 12635.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 303.0 MB). Free memory was 445.3 MB in the beginning and 250.8 MB in the end (delta: 194.5 MB). Peak memory consumption was 559.0 MB. Max. memory is 3.6 GB. [2019-03-17 12:57:23,604 INFO L168 Benchmark]: RCFGBuilder took 18201.91 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 435.2 MB). Free memory was 250.8 MB in the beginning and 505.2 MB in the end (delta: -254.4 MB). Peak memory consumption was 296.4 MB. Max. memory is 3.6 GB. [2019-03-17 12:57:23,613 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 116.4 MB. Free memory is still 83.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * CACSL2BoogieTranslator took 1453.18 ms. Allocated memory was 116.4 MB in the beginning and 184.0 MB in the end (delta: 67.6 MB). Free memory was 61.9 MB in the beginning and 107.6 MB in the end (delta: -45.7 MB). Peak memory consumption was 40.3 MB. Max. memory is 3.6 GB. * Boogie Procedure Inliner took 14124.81 ms. Allocated memory was 184.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 107.6 MB in the beginning and 445.3 MB in the end (delta: -337.7 MB). Peak memory consumption was 866.4 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 12635.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 303.0 MB). Free memory was 445.3 MB in the beginning and 250.8 MB in the end (delta: 194.5 MB). Peak memory consumption was 559.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 18201.91 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 435.2 MB). Free memory was 250.8 MB in the beginning and 505.2 MB in the end (delta: -254.4 MB). Peak memory consumption was 296.4 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 1 quantified variables from 2 xjuncts. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown