java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/ctigar/down.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 00:55:29,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 00:55:29,234 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 00:55:29,246 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 00:55:29,247 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 00:55:29,248 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 00:55:29,249 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 00:55:29,251 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 00:55:29,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 00:55:29,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 00:55:29,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 00:55:29,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 00:55:29,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 00:55:29,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 00:55:29,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 00:55:29,262 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 00:55:29,263 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 00:55:29,276 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 00:55:29,278 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 00:55:29,279 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 00:55:29,280 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 00:55:29,282 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-25 00:55:29,290 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 00:55:29,290 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 00:55:29,291 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 00:55:29,291 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 00:55:29,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 00:55:29,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 00:55:29,293 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 00:55:29,317 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 00:55:29,317 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 00:55:29,317 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 00:55:29,321 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 00:55:29,322 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 00:55:29,322 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 00:55:29,322 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 00:55:29,322 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 00:55:29,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 00:55:29,323 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 00:55:29,323 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 00:55:29,323 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 00:55:29,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 00:55:29,323 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 00:55:29,325 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 00:55:29,325 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 00:55:29,326 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 00:55:29,326 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 00:55:29,326 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 00:55:29,326 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 00:55:29,326 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 00:55:29,328 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 00:55:29,328 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 00:55:29,372 INFO ]: Repository-Root is: /tmp [2018-06-25 00:55:29,391 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 00:55:29,397 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 00:55:29,399 INFO ]: Initializing SmtParser... [2018-06-25 00:55:29,399 INFO ]: SmtParser initialized [2018-06-25 00:55:29,400 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/down.c.smt2 [2018-06-25 00:55:29,401 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-25 00:55:29,496 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/down.c.smt2 unknown [2018-06-25 00:55:29,741 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/down.c.smt2 [2018-06-25 00:55:29,746 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 00:55:29,754 INFO ]: Walking toolchain with 5 elements. [2018-06-25 00:55:29,754 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 00:55:29,755 INFO ]: Initializing ChcToBoogie... [2018-06-25 00:55:29,755 INFO ]: ChcToBoogie initialized [2018-06-25 00:55:29,758 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 12:55:29" (1/1) ... [2018-06-25 00:55:29,823 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:55:29 Unit [2018-06-25 00:55:29,823 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 00:55:29,824 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 00:55:29,825 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 00:55:29,825 INFO ]: Boogie Preprocessor initialized [2018-06-25 00:55:29,850 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:55:29" (1/1) ... [2018-06-25 00:55:29,850 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:55:29" (1/1) ... [2018-06-25 00:55:29,857 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:55:29" (1/1) ... [2018-06-25 00:55:29,858 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:55:29" (1/1) ... [2018-06-25 00:55:29,871 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:55:29" (1/1) ... [2018-06-25 00:55:29,873 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:55:29" (1/1) ... [2018-06-25 00:55:29,878 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:55:29" (1/1) ... [2018-06-25 00:55:29,879 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 00:55:29,880 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 00:55:29,880 INFO ]: Initializing RCFGBuilder... [2018-06-25 00:55:29,880 INFO ]: RCFGBuilder initialized [2018-06-25 00:55:29,887 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 12:55:29" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-25 00:55:29,907 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 00:55:29,908 INFO ]: Found specification of procedure gotoProc [2018-06-25 00:55:29,908 INFO ]: Found implementation of procedure gotoProc [2018-06-25 00:55:29,908 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 00:55:29,908 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 00:55:29,908 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 00:55:30,129 INFO ]: Using library mode [2018-06-25 00:55:30,130 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 12:55:30 BoogieIcfgContainer [2018-06-25 00:55:30,130 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 00:55:30,130 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-25 00:55:30,130 INFO ]: Initializing BlockEncodingV2... [2018-06-25 00:55:30,131 INFO ]: BlockEncodingV2 initialized [2018-06-25 00:55:30,132 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 12:55:30" (1/1) ... [2018-06-25 00:55:30,144 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-25 00:55:30,145 INFO ]: Using Remove infeasible edges [2018-06-25 00:55:30,146 INFO ]: Using Maximize final states [2018-06-25 00:55:30,146 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-25 00:55:30,147 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-25 00:55:30,148 INFO ]: Using Remove sink states [2018-06-25 00:55:30,149 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-25 00:55:30,149 INFO ]: Using Use SBE [2018-06-25 00:55:30,159 WARN ]: expecting exponential blowup for input size 22 [2018-06-25 00:55:34,197 WARN ]: Simplifying disjunction of 297472 conjuctions. This might take some time... Received shutdown request... [2018-06-25 00:56:52,948 INFO ]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.blockencoding. Reason: Timeout or Toolchain cancelled by user [2018-06-25 00:56:52,949 INFO ]: Toolchain (without parser) took 83202.78 ms. Allocated memory was 306.7 MB in the beginning and 1.2 GB in the end (delta: 855.6 MB). Free memory was 261.2 MB in the beginning and 371.1 MB in the end (delta: -109.8 MB). Peak memory consumption was 754.6 MB. Max. memory is 3.6 GB. [2018-06-25 00:56:52,951 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 306.7 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 00:56:52,952 INFO ]: ChcToBoogie took 69.61 ms. Allocated memory is still 306.7 MB. Free memory was 260.2 MB in the beginning and 258.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 00:56:52,952 INFO ]: Boogie Preprocessor took 55.10 ms. Allocated memory is still 306.7 MB. Free memory was 258.2 MB in the beginning and 257.3 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-25 00:56:52,952 INFO ]: RCFGBuilder took 249.74 ms. Allocated memory is still 306.7 MB. Free memory was 257.3 MB in the beginning and 248.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. [2018-06-25 00:56:52,953 INFO ]: BlockEncodingV2 took 82818.39 ms. Allocated memory was 306.7 MB in the beginning and 1.2 GB in the end (delta: 855.6 MB). Free memory was 248.2 MB in the beginning and 371.1 MB in the end (delta: -122.9 MB). Peak memory consumption was 741.6 MB. Max. memory is 3.6 GB. [2018-06-25 00:56:52,957 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 10 edges - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.blockencoding) Toolchain cancelled while DnfTransformerHelper was XNF transformer was simplifying 297472 conjuctions. . * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 306.7 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 69.61 ms. Allocated memory is still 306.7 MB. Free memory was 260.2 MB in the beginning and 258.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 55.10 ms. Allocated memory is still 306.7 MB. Free memory was 258.2 MB in the beginning and 257.3 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 249.74 ms. Allocated memory is still 306.7 MB. Free memory was 257.3 MB in the beginning and 248.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 82818.39 ms. Allocated memory was 306.7 MB in the beginning and 1.2 GB in the end (delta: 855.6 MB). Free memory was 248.2 MB in the beginning and 371.1 MB in the end (delta: -122.9 MB). Peak memory consumption was 741.6 MB. Max. memory is 3.6 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/down.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-25_00-56-52-974.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/down.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-25_00-56-52-974.csv Completed graceful shutdown