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/nested2.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 01:08:22,328 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 01:08:22,330 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 01:08:22,344 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 01:08:22,344 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 01:08:22,345 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 01:08:22,346 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 01:08:22,351 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 01:08:22,352 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 01:08:22,355 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 01:08:22,356 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 01:08:22,356 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 01:08:22,357 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 01:08:22,361 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 01:08:22,362 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 01:08:22,362 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 01:08:22,364 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 01:08:22,366 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 01:08:22,367 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 01:08:22,368 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 01:08:22,370 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 01:08:22,372 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 01:08:22,372 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 01:08:22,372 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 01:08:22,373 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 01:08:22,374 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 01:08:22,375 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 01:08:22,376 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 01:08:22,377 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 01:08:22,377 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 01:08:22,378 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 01:08:22,378 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 01:08:22,379 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 01:08:22,379 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 01:08:22,380 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 01:08:22,380 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 01:08:22,399 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 01:08:22,400 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 01:08:22,400 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 01:08:22,400 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 01:08:22,401 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 01:08:22,402 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 01:08:22,402 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 01:08:22,402 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 01:08:22,402 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 01:08:22,402 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 01:08:22,403 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 01:08:22,403 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 01:08:22,403 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 01:08:22,403 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 01:08:22,403 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 01:08:22,403 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 01:08:22,404 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 01:08:22,404 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 01:08:22,404 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 01:08:22,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 01:08:22,404 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 01:08:22,406 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 01:08:22,406 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 01:08:22,447 INFO ]: Repository-Root is: /tmp [2018-06-25 01:08:22,467 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 01:08:22,472 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 01:08:22,474 INFO ]: Initializing SmtParser... [2018-06-25 01:08:22,474 INFO ]: SmtParser initialized [2018-06-25 01:08:22,475 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/nested2.c.smt2 [2018-06-25 01:08:22,476 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 01:08:22,573 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/nested2.c.smt2 unknown [2018-06-25 01:08:22,828 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/nested2.c.smt2 [2018-06-25 01:08:22,833 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 01:08:22,839 INFO ]: Walking toolchain with 5 elements. [2018-06-25 01:08:22,840 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 01:08:22,840 INFO ]: Initializing ChcToBoogie... [2018-06-25 01:08:22,840 INFO ]: ChcToBoogie initialized [2018-06-25 01:08:22,843 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 01:08:22" (1/1) ... [2018-06-25 01:08:22,899 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:08:22 Unit [2018-06-25 01:08:22,899 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 01:08:22,899 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 01:08:22,899 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 01:08:22,900 INFO ]: Boogie Preprocessor initialized [2018-06-25 01:08:22,921 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:08:22" (1/1) ... [2018-06-25 01:08:22,921 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:08:22" (1/1) ... [2018-06-25 01:08:22,928 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:08:22" (1/1) ... [2018-06-25 01:08:22,930 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:08:22" (1/1) ... [2018-06-25 01:08:22,933 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:08:22" (1/1) ... [2018-06-25 01:08:22,937 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:08:22" (1/1) ... [2018-06-25 01:08:22,938 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:08:22" (1/1) ... [2018-06-25 01:08:22,940 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 01:08:22,940 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 01:08:22,940 INFO ]: Initializing RCFGBuilder... [2018-06-25 01:08:22,940 INFO ]: RCFGBuilder initialized [2018-06-25 01:08:22,946 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:08:22" (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 01:08:22,968 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 01:08:22,968 INFO ]: Found specification of procedure gotoProc [2018-06-25 01:08:22,969 INFO ]: Found implementation of procedure gotoProc [2018-06-25 01:08:22,969 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 01:08:22,969 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 01:08:22,969 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 01:08:23,187 INFO ]: Using library mode [2018-06-25 01:08:23,188 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 01:08:23 BoogieIcfgContainer [2018-06-25 01:08:23,188 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 01:08:23,188 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-25 01:08:23,188 INFO ]: Initializing BlockEncodingV2... [2018-06-25 01:08:23,198 INFO ]: BlockEncodingV2 initialized [2018-06-25 01:08:23,199 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 01:08:23" (1/1) ... [2018-06-25 01:08:23,223 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-25 01:08:23,224 INFO ]: Using Remove infeasible edges [2018-06-25 01:08:23,234 INFO ]: Using Maximize final states [2018-06-25 01:08:23,234 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-25 01:08:23,235 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-25 01:08:23,236 INFO ]: Using Remove sink states [2018-06-25 01:08:23,237 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-25 01:08:23,237 INFO ]: Using Use SBE [2018-06-25 01:08:23,258 WARN ]: expecting exponential blowup for input size 23 [2018-06-25 01:08:33,505 WARN ]: Simplifying disjunction of 605344 conjuctions. This might take some time... Received shutdown request... [2018-06-25 01:09:41,619 INFO ]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.blockencoding. Reason: Timeout or Toolchain cancelled by user [2018-06-25 01:09:41,620 INFO ]: Toolchain (without parser) took 78786.44 ms. Allocated memory was 309.3 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 263.7 MB in the beginning and 792.7 MB in the end (delta: -529.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-25 01:09:41,622 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 01:09:41,623 INFO ]: ChcToBoogie took 59.35 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 259.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 01:09:41,623 INFO ]: Boogie Preprocessor took 40.27 ms. Allocated memory is still 309.3 MB. Free memory is still 259.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 01:09:41,624 INFO ]: RCFGBuilder took 247.55 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 249.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-25 01:09:41,624 INFO ]: BlockEncodingV2 took 78431.08 ms. Allocated memory was 309.3 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 249.7 MB in the beginning and 792.7 MB in the end (delta: -543.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-25 01:09:41,631 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 605344 conjuctions. . * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 59.35 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 259.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 40.27 ms. Allocated memory is still 309.3 MB. Free memory is still 259.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * RCFGBuilder took 247.55 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 249.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 78431.08 ms. Allocated memory was 309.3 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 249.7 MB in the beginning and 792.7 MB in the end (delta: -543.0 MB). Peak memory consumption was 1.4 GB. 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/nested2.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-25_01-09-41-646.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/nested2.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-25_01-09-41-646.csv Completed graceful shutdown