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/substring1.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 21:57:00,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 21:57:00,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 21:57:00,088 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 21:57:00,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 21:57:00,089 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 21:57:00,091 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 21:57:00,092 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 21:57:00,094 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 21:57:00,095 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 21:57:00,096 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 21:57:00,096 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 21:57:00,097 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 21:57:00,098 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 21:57:00,102 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 21:57:00,103 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 21:57:00,104 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 21:57:00,117 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 21:57:00,119 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 21:57:00,120 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 21:57:00,121 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 21:57:00,122 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 21:57:00,124 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 21:57:00,124 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 21:57:00,124 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 21:57:00,125 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 21:57:00,130 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 21:57:00,131 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 21:57:00,132 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 21:57:00,133 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 21:57:00,133 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 21:57:00,133 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 21:57:00,134 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 21:57:00,134 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 21:57:00,135 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 21:57:00,140 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 21:57:00,140 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 21:57:00,165 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 21:57:00,166 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 21:57:00,166 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 21:57:00,166 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 21:57:00,167 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 21:57:00,167 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 21:57:00,167 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 21:57:00,167 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 21:57:00,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 21:57:00,169 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 21:57:00,169 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 21:57:00,169 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 21:57:00,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 21:57:00,169 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 21:57:00,169 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 21:57:00,170 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 21:57:00,170 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 21:57:00,170 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 21:57:00,170 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 21:57:00,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 21:57:00,170 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 21:57:00,173 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 21:57:00,173 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 21:57:00,229 INFO ]: Repository-Root is: /tmp [2018-06-26 21:57:00,244 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 21:57:00,248 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 21:57:00,250 INFO ]: Initializing SmtParser... [2018-06-26 21:57:00,250 INFO ]: SmtParser initialized [2018-06-26 21:57:00,251 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/substring1.c.smt2 [2018-06-26 21:57:00,252 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 21:57:00,335 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/substring1.c.smt2 unknown [2018-06-26 21:57:00,556 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/substring1.c.smt2 [2018-06-26 21:57:00,561 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 21:57:00,566 INFO ]: Walking toolchain with 5 elements. [2018-06-26 21:57:00,567 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 21:57:00,567 INFO ]: Initializing ChcToBoogie... [2018-06-26 21:57:00,567 INFO ]: ChcToBoogie initialized [2018-06-26 21:57:00,570 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 09:57:00" (1/1) ... [2018-06-26 21:57:00,621 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:57:00 Unit [2018-06-26 21:57:00,621 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 21:57:00,621 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 21:57:00,621 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 21:57:00,622 INFO ]: Boogie Preprocessor initialized [2018-06-26 21:57:00,642 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:57:00" (1/1) ... [2018-06-26 21:57:00,642 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:57:00" (1/1) ... [2018-06-26 21:57:00,649 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:57:00" (1/1) ... [2018-06-26 21:57:00,650 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:57:00" (1/1) ... [2018-06-26 21:57:00,664 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:57:00" (1/1) ... [2018-06-26 21:57:00,667 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:57:00" (1/1) ... [2018-06-26 21:57:00,669 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:57:00" (1/1) ... [2018-06-26 21:57:00,680 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 21:57:00,681 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 21:57:00,681 INFO ]: Initializing RCFGBuilder... [2018-06-26 21:57:00,681 INFO ]: RCFGBuilder initialized [2018-06-26 21:57:00,682 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 09:57:00" (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 21:57:00,707 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 21:57:00,707 INFO ]: Found specification of procedure gotoProc [2018-06-26 21:57:00,707 INFO ]: Found implementation of procedure gotoProc [2018-06-26 21:57:00,707 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 21:57:00,707 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 21:57:00,707 INFO ]: Found implementation of procedure Ultimate.START [2018-06-26 21:57:00,966 INFO ]: Using library mode [2018-06-26 21:57:00,967 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 09:57:00 BoogieIcfgContainer [2018-06-26 21:57:00,967 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 21:57:00,967 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 21:57:00,967 INFO ]: Initializing BlockEncodingV2... [2018-06-26 21:57:00,978 INFO ]: BlockEncodingV2 initialized [2018-06-26 21:57:00,978 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 09:57:00" (1/1) ... [2018-06-26 21:57:01,002 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-26 21:57:01,004 INFO ]: Using Remove infeasible edges [2018-06-26 21:57:01,004 INFO ]: Using Maximize final states [2018-06-26 21:57:01,005 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 21:57:01,005 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 21:57:01,008 INFO ]: Using Remove sink states [2018-06-26 21:57:01,009 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 21:57:01,009 INFO ]: Using Use SBE [2018-06-26 21:57:01,029 WARN ]: expecting exponential blowup for input size 30 Received shutdown request... [2018-06-26 21:57:48,482 INFO ]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.blockencoding. Reason: Timeout or Toolchain cancelled by user [2018-06-26 21:57:48,483 INFO ]: Toolchain (without parser) took 47921.88 ms. Allocated memory was 309.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 261.6 MB in the beginning and 1.2 GB in the end (delta: -970.4 MB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. [2018-06-26 21:57:48,486 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 21:57:48,488 INFO ]: ChcToBoogie took 54.44 ms. Allocated memory is still 309.3 MB. Free memory was 261.6 MB in the beginning and 259.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 21:57:48,489 INFO ]: Boogie Preprocessor took 59.04 ms. Allocated memory is still 309.3 MB. Free memory was 259.6 MB in the beginning and 257.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. [2018-06-26 21:57:48,489 INFO ]: RCFGBuilder took 286.06 ms. Allocated memory is still 309.3 MB. Free memory was 257.6 MB in the beginning and 247.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-26 21:57:48,490 INFO ]: BlockEncodingV2 took 47515.05 ms. Allocated memory was 309.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 247.6 MB in the beginning and 1.2 GB in the end (delta: -984.5 MB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. [2018-06-26 21:57:48,494 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 30 conjuction. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 54.44 ms. Allocated memory is still 309.3 MB. Free memory was 261.6 MB in the beginning and 259.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 59.04 ms. Allocated memory is still 309.3 MB. Free memory was 259.6 MB in the beginning and 257.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 286.06 ms. Allocated memory is still 309.3 MB. Free memory was 257.6 MB in the beginning and 247.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 47515.05 ms. Allocated memory was 309.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 247.6 MB in the beginning and 1.2 GB in the end (delta: -984.5 MB). Peak memory consumption was 3.2 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/substring1.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_21-57-48-510.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/substring1.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_21-57-48-510.csv Completed graceful shutdown