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/string_concat-noarr.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 21:56:17,836 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 21:56:17,837 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 21:56:17,850 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 21:56:17,850 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 21:56:17,853 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 21:56:17,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 21:56:17,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 21:56:17,858 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 21:56:17,859 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 21:56:17,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 21:56:17,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 21:56:17,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 21:56:17,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 21:56:17,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 21:56:17,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 21:56:17,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 21:56:17,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 21:56:17,883 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 21:56:17,884 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 21:56:17,885 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 21:56:17,886 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 21:56:17,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 21:56:17,888 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 21:56:17,888 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 21:56:17,889 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 21:56:17,894 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 21:56:17,895 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 21:56:17,896 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 21:56:17,897 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 21:56:17,897 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 21:56:17,897 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 21:56:17,898 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 21:56:17,898 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 21:56:17,899 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 21:56:17,902 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 21:56:17,902 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 21:56:17,920 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 21:56:17,920 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 21:56:17,921 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 21:56:17,921 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 21:56:17,922 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 21:56:17,922 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 21:56:17,922 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 21:56:17,922 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 21:56:17,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 21:56:17,929 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 21:56:17,929 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 21:56:17,929 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 21:56:17,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 21:56:17,930 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 21:56:17,930 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 21:56:17,930 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 21:56:17,930 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 21:56:17,931 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 21:56:17,931 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 21:56:17,931 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 21:56:17,931 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 21:56:17,933 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 21:56:17,933 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 21:56:17,988 INFO ]: Repository-Root is: /tmp [2018-06-26 21:56:18,006 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 21:56:18,012 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 21:56:18,013 INFO ]: Initializing SmtParser... [2018-06-26 21:56:18,013 INFO ]: SmtParser initialized [2018-06-26 21:56:18,014 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/string_concat-noarr.c.smt2 [2018-06-26 21:56:18,016 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 [2018-06-26 21:56:18,112 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/string_concat-noarr.c.smt2 unknown [2018-06-26 21:56:18,371 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/string_concat-noarr.c.smt2 [2018-06-26 21:56:18,376 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 21:56:18,381 INFO ]: Walking toolchain with 5 elements. [2018-06-26 21:56:18,382 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 21:56:18,382 INFO ]: Initializing ChcToBoogie... [2018-06-26 21:56:18,382 INFO ]: ChcToBoogie initialized [2018-06-26 21:56:18,386 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 09:56:18" (1/1) ... [2018-06-26 21:56:18,446 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:56:18 Unit [2018-06-26 21:56:18,446 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 21:56:18,447 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 21:56:18,447 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 21:56:18,447 INFO ]: Boogie Preprocessor initialized [2018-06-26 21:56:18,471 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:56:18" (1/1) ... [2018-06-26 21:56:18,471 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:56:18" (1/1) ... [2018-06-26 21:56:18,478 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:56:18" (1/1) ... [2018-06-26 21:56:18,478 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:56:18" (1/1) ... [2018-06-26 21:56:18,482 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:56:18" (1/1) ... [2018-06-26 21:56:18,484 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:56:18" (1/1) ... [2018-06-26 21:56:18,485 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:56:18" (1/1) ... [2018-06-26 21:56:18,487 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 21:56:18,488 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 21:56:18,488 INFO ]: Initializing RCFGBuilder... [2018-06-26 21:56:18,488 INFO ]: RCFGBuilder initialized [2018-06-26 21:56:18,489 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:56:18" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 21:56:18,505 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 21:56:18,505 INFO ]: Found specification of procedure gotoProc [2018-06-26 21:56:18,506 INFO ]: Found implementation of procedure gotoProc [2018-06-26 21:56:18,506 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 21:56:18,506 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 21:56:18,506 INFO ]: Found implementation of procedure Ultimate.START [2018-06-26 21:56:18,737 INFO ]: Using library mode [2018-06-26 21:56:18,738 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 09:56:18 BoogieIcfgContainer [2018-06-26 21:56:18,738 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 21:56:18,738 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 21:56:18,738 INFO ]: Initializing BlockEncodingV2... [2018-06-26 21:56:18,739 INFO ]: BlockEncodingV2 initialized [2018-06-26 21:56:18,740 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 09:56:18" (1/1) ... [2018-06-26 21:56:18,766 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-26 21:56:18,767 INFO ]: Using Remove infeasible edges [2018-06-26 21:56:18,768 INFO ]: Using Maximize final states [2018-06-26 21:56:18,768 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 21:56:18,769 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 21:56:18,773 INFO ]: Using Remove sink states [2018-06-26 21:56:18,773 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 21:56:18,773 INFO ]: Using Use SBE [2018-06-26 21:56:18,793 WARN ]: expecting exponential blowup for input size 28 Received shutdown request... [2018-06-26 21:57:13,390 INFO ]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.blockencoding. Reason: Timeout or Toolchain cancelled by user [2018-06-26 21:57:13,392 INFO ]: Toolchain (without parser) took 55014.99 ms. Allocated memory was 308.8 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 263.3 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.5 GB. Max. memory is 3.6 GB. [2018-06-26 21:57:13,393 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 21:57:13,394 INFO ]: ChcToBoogie took 64.31 ms. Allocated memory is still 308.8 MB. Free memory was 262.3 MB in the beginning and 260.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 21:57:13,394 INFO ]: Boogie Preprocessor took 40.73 ms. Allocated memory is still 308.8 MB. Free memory was 260.3 MB in the beginning and 259.3 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-26 21:57:13,395 INFO ]: RCFGBuilder took 249.55 ms. Allocated memory is still 308.8 MB. Free memory was 259.3 MB in the beginning and 249.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 3.6 GB. [2018-06-26 21:57:13,395 INFO ]: BlockEncodingV2 took 54652.76 ms. Allocated memory was 308.8 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 249.3 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.5 GB. Max. memory is 3.6 GB. [2018-06-26 21:57:13,399 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 transforming 28 conjuction. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 64.31 ms. Allocated memory is still 308.8 MB. Free memory was 262.3 MB in the beginning and 260.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 40.73 ms. Allocated memory is still 308.8 MB. Free memory was 260.3 MB in the beginning and 259.3 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 249.55 ms. Allocated memory is still 308.8 MB. Free memory was 259.3 MB in the beginning and 249.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 54652.76 ms. Allocated memory was 308.8 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 249.3 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.5 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/string_concat-noarr.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_21-57-13-411.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/string_concat-noarr.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_21-57-13-411.csv Completed graceful shutdown