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__strpbrk_2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 19:01:52,269 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 19:01:52,271 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 19:01:52,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 19:01:52,283 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 19:01:52,284 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 19:01:52,285 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 19:01:52,287 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 19:01:52,289 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 19:01:52,289 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 19:01:52,290 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 19:01:52,290 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 19:01:52,291 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 19:01:52,292 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 19:01:52,293 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 19:01:52,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 19:01:52,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 19:01:52,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 19:01:52,307 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 19:01:52,309 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 19:01:52,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 19:01:52,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 19:01:52,314 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 19:01:52,314 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 19:01:52,314 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 19:01:52,315 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 19:01:52,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 19:01:52,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 19:01:52,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 19:01:52,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 19:01:52,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 19:01:52,326 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-06-26 19:01:52,327 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 19:01:52,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 19:01:52,341 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 19:01:52,342 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 19:01:52,342 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 19:01:52,343 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 19:01:52,343 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 19:01:52,343 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 19:01:52,343 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 19:01:52,344 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 19:01:52,344 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 19:01:52,344 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 19:01:52,344 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 19:01:52,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 19:01:52,345 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 19:01:52,345 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 19:01:52,345 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 19:01:52,345 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 19:01:52,346 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 19:01:52,346 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 19:01:52,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 19:01:52,346 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 19:01:52,348 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 19:01:52,348 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 19:01:52,381 INFO ]: Repository-Root is: /tmp [2018-06-26 19:01:52,397 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 19:01:52,404 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 19:01:52,406 INFO ]: Initializing SmtParser... [2018-06-26 19:01:52,406 INFO ]: SmtParser initialized [2018-06-26 19:01:52,406 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strpbrk_2.smt2 [2018-06-26 19:01:52,407 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 19:01:52,495 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strpbrk_2.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@63fdba59 [2018-06-26 19:01:52,753 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strpbrk_2.smt2 [2018-06-26 19:01:52,757 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 19:01:52,764 INFO ]: Walking toolchain with 5 elements. [2018-06-26 19:01:52,764 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 19:01:52,764 INFO ]: Initializing ChcToBoogie... [2018-06-26 19:01:52,764 INFO ]: ChcToBoogie initialized [2018-06-26 19:01:52,770 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 07:01:52" (1/1) ... [2018-06-26 19:01:52,832 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:52 Unit [2018-06-26 19:01:52,832 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 19:01:52,833 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 19:01:52,833 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 19:01:52,833 INFO ]: Boogie Preprocessor initialized [2018-06-26 19:01:52,850 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:52" (1/1) ... [2018-06-26 19:01:52,851 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:52" (1/1) ... [2018-06-26 19:01:52,858 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:52" (1/1) ... [2018-06-26 19:01:52,858 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:52" (1/1) ... [2018-06-26 19:01:52,863 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:52" (1/1) ... [2018-06-26 19:01:52,865 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:52" (1/1) ... [2018-06-26 19:01:52,866 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:52" (1/1) ... [2018-06-26 19:01:52,870 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 19:01:52,871 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 19:01:52,871 INFO ]: Initializing RCFGBuilder... [2018-06-26 19:01:52,871 INFO ]: RCFGBuilder initialized [2018-06-26 19:01:52,872 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:52" (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 19:01:52,903 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 19:01:52,903 INFO ]: Found specification of procedure gotoProc [2018-06-26 19:01:52,903 INFO ]: Found implementation of procedure gotoProc [2018-06-26 19:01:52,903 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 19:01:52,903 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 19:01:52,903 INFO ]: Found implementation of procedure Ultimate.START [2018-06-26 19:01:53,243 INFO ]: Using library mode [2018-06-26 19:01:53,244 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:01:53 BoogieIcfgContainer [2018-06-26 19:01:53,244 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 19:01:53,244 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 19:01:53,244 INFO ]: Initializing BlockEncodingV2... [2018-06-26 19:01:53,248 INFO ]: BlockEncodingV2 initialized [2018-06-26 19:01:53,248 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:01:53" (1/1) ... [2018-06-26 19:01:53,265 INFO ]: Initial Icfg 11 locations, 19 edges [2018-06-26 19:01:53,266 INFO ]: Using Remove infeasible edges [2018-06-26 19:01:53,266 INFO ]: Using Maximize final states [2018-06-26 19:01:53,266 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 19:01:53,267 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 19:01:53,268 INFO ]: Using Remove sink states [2018-06-26 19:01:53,269 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 19:01:53,269 INFO ]: Using Use SBE [2018-06-26 19:01:53,287 INFO ]: SBE split 3 edges [2018-06-26 19:01:53,291 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-26 19:01:53,293 INFO ]: 0 new accepting states [2018-06-26 19:01:53,375 INFO ]: Removed 10 edges and 2 locations by large block encoding [2018-06-26 19:01:53,377 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 19:01:53,378 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 19:01:53,378 INFO ]: 0 new accepting states [2018-06-26 19:01:53,378 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 19:01:53,378 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 19:01:53,378 INFO ]: Encoded RCFG 7 locations, 18 edges [2018-06-26 19:01:53,379 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 07:01:53 BasicIcfg [2018-06-26 19:01:53,379 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 19:01:53,380 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 19:01:53,380 INFO ]: Initializing TraceAbstraction... [2018-06-26 19:01:53,384 INFO ]: TraceAbstraction initialized [2018-06-26 19:01:53,384 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 07:01:52" (1/4) ... [2018-06-26 19:01:53,385 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff5628a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 07:01:53, skipping insertion in model container [2018-06-26 19:01:53,385 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:01:52" (2/4) ... [2018-06-26 19:01:53,385 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff5628a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 07:01:53, skipping insertion in model container [2018-06-26 19:01:53,385 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:01:53" (3/4) ... [2018-06-26 19:01:53,385 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff5628a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 07:01:53, skipping insertion in model container [2018-06-26 19:01:53,385 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 07:01:53" (4/4) ... [2018-06-26 19:01:53,386 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 19:01:53,395 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 19:01:53,401 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 19:01:53,434 INFO ]: Using default assertion order modulation [2018-06-26 19:01:53,435 INFO ]: Interprodecural is true [2018-06-26 19:01:53,435 INFO ]: Hoare is false [2018-06-26 19:01:53,435 INFO ]: Compute interpolants for FPandBP [2018-06-26 19:01:53,435 INFO ]: Backedges is TWOTRACK [2018-06-26 19:01:53,435 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 19:01:53,435 INFO ]: Difference is false [2018-06-26 19:01:53,435 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 19:01:53,435 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 19:01:53,442 INFO ]: Start isEmpty. Operand 7 states. [2018-06-26 19:01:53,449 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 19:01:53,449 INFO ]: Found error trace [2018-06-26 19:01:53,450 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 19:01:53,450 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 19:01:53,453 INFO ]: Analyzing trace with hash 39563975, now seen corresponding path program 1 times [2018-06-26 19:01:53,454 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 19:01:53,454 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 19:01:53,490 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 19:01:53,490 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 19:01:53,490 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 19:01:53,527 INFO ]: Conjunction of SSA is sat [2018-06-26 19:01:53,531 INFO ]: Counterexample might be feasible [2018-06-26 19:01:53,545 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 19:01:53,547 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 07:01:53 BasicIcfg [2018-06-26 19:01:53,547 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 19:01:53,548 INFO ]: Toolchain (without parser) took 790.66 ms. Allocated memory is still 306.7 MB. Free memory was 259.0 MB in the beginning and 225.7 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 3.6 GB. [2018-06-26 19:01:53,550 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 19:01:53,550 INFO ]: ChcToBoogie took 68.45 ms. Allocated memory is still 306.7 MB. Free memory was 259.0 MB in the beginning and 256.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 3.6 GB. [2018-06-26 19:01:53,551 INFO ]: Boogie Preprocessor took 36.84 ms. Allocated memory is still 306.7 MB. Free memory was 256.0 MB in the beginning and 255.0 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. [2018-06-26 19:01:53,552 INFO ]: RCFGBuilder took 373.38 ms. Allocated memory is still 306.7 MB. Free memory was 255.0 MB in the beginning and 240.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 3.6 GB. [2018-06-26 19:01:53,552 INFO ]: BlockEncodingV2 took 134.40 ms. Allocated memory is still 306.7 MB. Free memory was 240.8 MB in the beginning and 233.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-26 19:01:53,553 INFO ]: TraceAbstraction took 167.57 ms. Allocated memory is still 306.7 MB. Free memory was 233.8 MB in the beginning and 225.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 3.6 GB. [2018-06-26 19:01:53,557 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 11 locations, 19 edges - StatisticsResult: Encoded RCFG 7 locations, 18 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 68.45 ms. Allocated memory is still 306.7 MB. Free memory was 259.0 MB in the beginning and 256.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 36.84 ms. Allocated memory is still 306.7 MB. Free memory was 256.0 MB in the beginning and 255.0 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. * RCFGBuilder took 373.38 ms. Allocated memory is still 306.7 MB. Free memory was 255.0 MB in the beginning and 240.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 134.40 ms. Allocated memory is still 306.7 MB. Free memory was 240.8 MB in the beginning and 233.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 167.57 ms. Allocated memory is still 306.7 MB. Free memory was 233.8 MB in the beginning and 225.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 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] assume (!(0 == 0 && hbv_False_3_Array_Int_Int[hbv_False_4_Int] == hbv_False_1_Array_Int_Int[hbv_False_4_Int]) && !(hbv_False_3_Array_Int_Int[hbv_False_5_Int] != 0)) && !(hbv_False_1_Array_Int_Int[hbv_False_2_Int] != 0); [L0] hhv_INV_MAIN_0_0_Int, hhv_INV_MAIN_0_1_Int, hhv_INV_MAIN_0_2_Int, hhv_INV_MAIN_0_3_Int, hhv_INV_MAIN_0_4_Int, hhv_INV_MAIN_0_5_Int, hhv_INV_MAIN_0_6_Int, hhv_INV_MAIN_0_7_Int := hbv_False_6_Int, hbv_False_5_Int, skolem5(hbv_False_5_Int, hbv_False_7_Int, hbv_False_2_Int, hbv_False_3_Array_Int_Int, hbv_False_6_Int, hbv_False_1_Array_Int_Int), hbv_False_3_Array_Int_Int[skolem5(hbv_False_5_Int, hbv_False_7_Int, hbv_False_2_Int, hbv_False_3_Array_Int_Int, hbv_False_6_Int, hbv_False_1_Array_Int_Int)], hbv_False_7_Int, hbv_False_2_Int, skolem6(hbv_False_5_Int, hbv_False_7_Int, hbv_False_2_Int, hbv_False_3_Array_Int_Int, hbv_False_6_Int, hbv_False_1_Array_Int_Int), hbv_False_1_Array_Int_Int[skolem6(hbv_False_5_Int, hbv_False_7_Int, hbv_False_2_Int, hbv_False_3_Array_Int_Int, hbv_False_6_Int, hbv_False_1_Array_Int_Int)]; [L0] havoc hbv_False_4_Int, hbv_False_5_Int, hbv_False_1_Array_Int_Int, hbv_False_7_Int, hbv_False_3_Array_Int_Int, hbv_False_6_Int, hbv_False_2_Int; [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, 7 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=7occurred 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, 5 NumberOfCodeBlocks, 5 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__strpbrk_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_19-01-53-568.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strpbrk_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_19-01-53-568.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strpbrk_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_19-01-53-568.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strpbrk_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_19-01-53-568.csv Received shutdown request...