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/llreve-bench/smt2/quant/libc__strcmp.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 19:01:32,195 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 19:01:32,197 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 19:01:32,209 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 19:01:32,209 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 19:01:32,210 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 19:01:32,211 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 19:01:32,219 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 19:01:32,220 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 19:01:32,221 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 19:01:32,224 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 19:01:32,224 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 19:01:32,225 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 19:01:32,226 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 19:01:32,227 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 19:01:32,227 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 19:01:32,231 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 19:01:32,233 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 19:01:32,235 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 19:01:32,236 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 19:01:32,237 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 19:01:32,238 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 19:01:32,241 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 19:01:32,241 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 19:01:32,241 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 19:01:32,242 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 19:01:32,243 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 19:01:32,243 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 19:01:32,244 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 19:01:32,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 19:01:32,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 19:01:32,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 19:01:32,246 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 19:01:32,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 19:01:32,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 19:01:32,248 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 19:01:32,248 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 19:01:32,263 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 19:01:32,263 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 19:01:32,264 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 19:01:32,264 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 19:01:32,265 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 19:01:32,265 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 19:01:32,265 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 19:01:32,265 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 19:01:32,266 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 19:01:32,266 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 19:01:32,266 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 19:01:32,266 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 19:01:32,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 19:01:32,267 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 19:01:32,267 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 19:01:32,267 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 19:01:32,267 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 19:01:32,267 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 19:01:32,268 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 19:01:32,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 19:01:32,269 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 19:01:32,271 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 19:01:32,271 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 19:01:32,325 INFO ]: Repository-Root is: /tmp [2018-06-26 19:01:32,345 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 19:01:32,352 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 19:01:32,353 INFO ]: Initializing SmtParser... [2018-06-26 19:01:32,354 INFO ]: SmtParser initialized [2018-06-26 19:01:32,354 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strcmp.smt2 [2018-06-26 19:01:32,356 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 19:01:32,448 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcmp.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@33d640b [2018-06-26 19:01:32,757 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcmp.smt2 [2018-06-26 19:01:32,761 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 19:01:32,770 INFO ]: Walking toolchain with 5 elements. [2018-06-26 19:01:32,770 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 19:01:32,770 INFO ]: Initializing ChcToBoogie... [2018-06-26 19:01:32,770 INFO ]: ChcToBoogie initialized [2018-06-26 19:01:32,774 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 07:01:32" (1/1) ... [2018-06-26 19:01:32,857 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:32 Unit [2018-06-26 19:01:32,857 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 19:01:32,857 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 19:01:32,857 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 19:01:32,857 INFO ]: Boogie Preprocessor initialized [2018-06-26 19:01:32,879 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:32" (1/1) ... [2018-06-26 19:01:32,879 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:32" (1/1) ... [2018-06-26 19:01:32,902 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:32" (1/1) ... [2018-06-26 19:01:32,902 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:32" (1/1) ... [2018-06-26 19:01:32,917 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:32" (1/1) ... [2018-06-26 19:01:32,919 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:32" (1/1) ... [2018-06-26 19:01:32,921 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:32" (1/1) ... [2018-06-26 19:01:32,932 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 19:01:32,933 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 19:01:32,933 INFO ]: Initializing RCFGBuilder... [2018-06-26 19:01:32,933 INFO ]: RCFGBuilder initialized [2018-06-26 19:01:32,934 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:32" (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 19:01:32,945 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 19:01:32,945 INFO ]: Found specification of procedure gotoProc [2018-06-26 19:01:32,945 INFO ]: Found implementation of procedure gotoProc [2018-06-26 19:01:32,945 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 19:01:32,945 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 19:01:32,945 INFO ]: Found implementation of procedure Ultimate.START [2018-06-26 19:01:33,375 INFO ]: Using library mode [2018-06-26 19:01:33,375 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:01:33 BoogieIcfgContainer [2018-06-26 19:01:33,375 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 19:01:33,376 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 19:01:33,376 INFO ]: Initializing BlockEncodingV2... [2018-06-26 19:01:33,377 INFO ]: BlockEncodingV2 initialized [2018-06-26 19:01:33,377 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:01:33" (1/1) ... [2018-06-26 19:01:33,393 INFO ]: Initial Icfg 10 locations, 25 edges [2018-06-26 19:01:33,394 INFO ]: Using Remove infeasible edges [2018-06-26 19:01:33,395 INFO ]: Using Maximize final states [2018-06-26 19:01:33,395 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 19:01:33,395 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 19:01:33,398 INFO ]: Using Remove sink states [2018-06-26 19:01:33,399 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 19:01:33,399 INFO ]: Using Use SBE [2018-06-26 19:01:33,434 INFO ]: SBE split 10 edges [2018-06-26 19:01:33,443 INFO ]: Removed 4 edges and 2 locations because of local infeasibility [2018-06-26 19:01:33,445 INFO ]: 0 new accepting states [2018-06-26 19:01:33,847 INFO ]: Removed 35 edges and 2 locations by large block encoding [2018-06-26 19:01:33,848 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 19:01:33,849 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 19:01:33,849 INFO ]: 0 new accepting states [2018-06-26 19:01:33,849 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 19:01:33,850 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 19:01:33,850 INFO ]: Encoded RCFG 6 locations, 29 edges [2018-06-26 19:01:33,850 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 07:01:33 BasicIcfg [2018-06-26 19:01:33,850 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 19:01:33,851 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 19:01:33,851 INFO ]: Initializing TraceAbstraction... [2018-06-26 19:01:33,855 INFO ]: TraceAbstraction initialized [2018-06-26 19:01:33,855 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 07:01:32" (1/4) ... [2018-06-26 19:01:33,856 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f12c1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 07:01:33, skipping insertion in model container [2018-06-26 19:01:33,856 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:32" (2/4) ... [2018-06-26 19:01:33,856 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f12c1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 07:01:33, skipping insertion in model container [2018-06-26 19:01:33,856 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:01:33" (3/4) ... [2018-06-26 19:01:33,857 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f12c1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 07:01:33, skipping insertion in model container [2018-06-26 19:01:33,857 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 07:01:33" (4/4) ... [2018-06-26 19:01:33,858 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 19:01:33,868 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 19:01:33,875 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 19:01:33,914 INFO ]: Using default assertion order modulation [2018-06-26 19:01:33,915 INFO ]: Interprodecural is true [2018-06-26 19:01:33,915 INFO ]: Hoare is false [2018-06-26 19:01:33,915 INFO ]: Compute interpolants for FPandBP [2018-06-26 19:01:33,915 INFO ]: Backedges is TWOTRACK [2018-06-26 19:01:33,915 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 19:01:33,915 INFO ]: Difference is false [2018-06-26 19:01:33,915 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 19:01:33,915 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 19:01:33,928 INFO ]: Start isEmpty. Operand 6 states. [2018-06-26 19:01:33,937 INFO ]: Finished isEmpty. Found accepting run of length 5 [2018-06-26 19:01:33,937 INFO ]: Found error trace [2018-06-26 19:01:33,938 INFO ]: trace histogram [1, 1, 1, 1] [2018-06-26 19:01:33,938 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 19:01:33,942 INFO ]: Analyzing trace with hash 1254855, now seen corresponding path program 1 times [2018-06-26 19:01:33,943 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 19:01:33,943 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 19:01:33,975 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 19:01:33,975 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 19:01:33,975 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 19:01:34,023 INFO ]: Conjunction of SSA is sat [2018-06-26 19:01:34,027 INFO ]: Counterexample might be feasible [2018-06-26 19:01:34,045 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 19:01:34,047 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 07:01:34 BasicIcfg [2018-06-26 19:01:34,047 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 19:01:34,048 INFO ]: Toolchain (without parser) took 1286.36 ms. Allocated memory is still 308.3 MB. Free memory was 256.8 MB in the beginning and 212.7 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 3.6 GB. [2018-06-26 19:01:34,050 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 19:01:34,050 INFO ]: ChcToBoogie took 86.94 ms. Allocated memory is still 308.3 MB. Free memory was 256.8 MB in the beginning and 253.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-26 19:01:34,054 INFO ]: Boogie Preprocessor took 74.71 ms. Allocated memory is still 308.3 MB. Free memory was 253.8 MB in the beginning and 252.8 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 3.6 GB. [2018-06-26 19:01:34,054 INFO ]: RCFGBuilder took 442.85 ms. Allocated memory is still 308.3 MB. Free memory was 252.8 MB in the beginning and 236.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 3.6 GB. [2018-06-26 19:01:34,055 INFO ]: BlockEncodingV2 took 474.29 ms. Allocated memory is still 308.3 MB. Free memory was 236.6 MB in the beginning and 220.6 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-26 19:01:34,055 INFO ]: TraceAbstraction took 196.12 ms. Allocated memory is still 308.3 MB. Free memory was 220.6 MB in the beginning and 212.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-26 19:01:34,061 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 25 edges - StatisticsResult: Encoded RCFG 6 locations, 29 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 86.94 ms. Allocated memory is still 308.3 MB. Free memory was 256.8 MB in the beginning and 253.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 74.71 ms. Allocated memory is still 308.3 MB. Free memory was 253.8 MB in the beginning and 252.8 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 3.6 GB. * RCFGBuilder took 442.85 ms. Allocated memory is still 308.3 MB. Free memory was 252.8 MB in the beginning and 236.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 474.29 ms. Allocated memory is still 308.3 MB. Free memory was 236.6 MB in the beginning and 220.6 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 196.12 ms. Allocated memory is still 308.3 MB. Free memory was 220.6 MB in the beginning and 212.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] RET call gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 6 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strcmp.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_19-01-34-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strcmp.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_19-01-34-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strcmp.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_19-01-34-080.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strcmp.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_19-01-34-080.csv Received shutdown request...