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__strcspn_2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 21:58:44,614 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 21:58:44,616 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 21:58:44,631 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 21:58:44,631 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 21:58:44,634 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 21:58:44,635 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 21:58:44,637 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 21:58:44,639 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 21:58:44,639 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 21:58:44,642 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 21:58:44,642 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 21:58:44,643 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 21:58:44,644 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 21:58:44,644 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 21:58:44,647 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 21:58:44,649 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 21:58:44,662 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 21:58:44,663 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 21:58:44,664 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 21:58:44,666 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 21:58:44,668 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 21:58:44,668 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 21:58:44,668 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 21:58:44,669 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 21:58:44,675 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 21:58:44,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 21:58:44,677 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 21:58:44,678 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 21:58:44,678 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 21:58:44,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 21:58:44,684 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 21:58:44,684 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 21:58:44,685 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 21:58:44,685 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 21:58:44,686 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 21:58:44,708 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 21:58:44,708 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 21:58:44,709 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 21:58:44,709 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 21:58:44,711 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 21:58:44,711 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 21:58:44,711 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 21:58:44,711 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 21:58:44,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 21:58:44,712 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 21:58:44,712 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 21:58:44,712 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 21:58:44,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:58:44,712 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 21:58:44,713 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 21:58:44,713 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 21:58:44,713 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 21:58:44,713 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 21:58:44,713 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 21:58:44,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 21:58:44,715 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 21:58:44,716 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 21:58:44,716 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 21:58:44,769 INFO ]: Repository-Root is: /tmp [2018-06-24 21:58:44,785 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 21:58:44,790 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 21:58:44,791 INFO ]: Initializing SmtParser... [2018-06-24 21:58:44,791 INFO ]: SmtParser initialized [2018-06-24 21:58:44,792 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn_2.smt2 [2018-06-24 21:58:44,793 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 [2018-06-24 21:58:44,883 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn_2.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@4a73e0a8 [2018-06-24 21:58:45,271 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn_2.smt2 [2018-06-24 21:58:45,277 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 21:58:45,284 INFO ]: Walking toolchain with 5 elements. [2018-06-24 21:58:45,284 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 21:58:45,284 INFO ]: Initializing ChcToBoogie... [2018-06-24 21:58:45,284 INFO ]: ChcToBoogie initialized [2018-06-24 21:58:45,287 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:58:45" (1/1) ... [2018-06-24 21:58:45,372 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:45 Unit [2018-06-24 21:58:45,372 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 21:58:45,374 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 21:58:45,374 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 21:58:45,374 INFO ]: Boogie Preprocessor initialized [2018-06-24 21:58:45,392 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:45" (1/1) ... [2018-06-24 21:58:45,393 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:45" (1/1) ... [2018-06-24 21:58:45,415 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:45" (1/1) ... [2018-06-24 21:58:45,415 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:45" (1/1) ... [2018-06-24 21:58:45,427 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:45" (1/1) ... [2018-06-24 21:58:45,433 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:45" (1/1) ... [2018-06-24 21:58:45,441 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:45" (1/1) ... [2018-06-24 21:58:45,449 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 21:58:45,449 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 21:58:45,449 INFO ]: Initializing RCFGBuilder... [2018-06-24 21:58:45,449 INFO ]: RCFGBuilder initialized [2018-06-24 21:58:45,450 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:45" (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 [2018-06-24 21:58:45,465 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 21:58:45,465 INFO ]: Found specification of procedure gotoProc [2018-06-24 21:58:45,465 INFO ]: Found implementation of procedure gotoProc [2018-06-24 21:58:45,465 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 21:58:45,465 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 21:58:45,465 INFO ]: Found implementation of procedure Ultimate.START [2018-06-24 21:58:46,081 INFO ]: Using library mode [2018-06-24 21:58:46,081 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:58:46 BoogieIcfgContainer [2018-06-24 21:58:46,081 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 21:58:46,082 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 21:58:46,082 INFO ]: Initializing BlockEncodingV2... [2018-06-24 21:58:46,083 INFO ]: BlockEncodingV2 initialized [2018-06-24 21:58:46,085 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:58:46" (1/1) ... [2018-06-24 21:58:46,104 INFO ]: Initial Icfg 11 locations, 33 edges [2018-06-24 21:58:46,105 INFO ]: Using Remove infeasible edges [2018-06-24 21:58:46,106 INFO ]: Using Maximize final states [2018-06-24 21:58:46,106 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 21:58:46,106 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 21:58:46,110 INFO ]: Using Remove sink states [2018-06-24 21:58:46,111 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 21:58:46,111 INFO ]: Using Use SBE [2018-06-24 21:58:46,144 INFO ]: SBE split 4 edges [2018-06-24 21:58:46,153 INFO ]: Removed 14 edges and 2 locations because of local infeasibility [2018-06-24 21:58:46,157 INFO ]: 0 new accepting states [2018-06-24 21:58:46,353 INFO ]: Removed 12 edges and 2 locations by large block encoding [2018-06-24 21:58:46,354 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:58:46,356 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 21:58:46,356 INFO ]: 0 new accepting states [2018-06-24 21:58:46,356 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:58:46,356 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:58:46,356 INFO ]: Encoded RCFG 7 locations, 21 edges [2018-06-24 21:58:46,357 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:58:46 BasicIcfg [2018-06-24 21:58:46,357 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 21:58:46,360 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 21:58:46,360 INFO ]: Initializing TraceAbstraction... [2018-06-24 21:58:46,364 INFO ]: TraceAbstraction initialized [2018-06-24 21:58:46,365 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:58:45" (1/4) ... [2018-06-24 21:58:46,366 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728aa883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 09:58:46, skipping insertion in model container [2018-06-24 21:58:46,366 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:45" (2/4) ... [2018-06-24 21:58:46,366 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728aa883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 09:58:46, skipping insertion in model container [2018-06-24 21:58:46,366 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:58:46" (3/4) ... [2018-06-24 21:58:46,366 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728aa883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:58:46, skipping insertion in model container [2018-06-24 21:58:46,366 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:58:46" (4/4) ... [2018-06-24 21:58:46,369 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 21:58:46,379 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 21:58:46,391 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 21:58:46,446 INFO ]: Using default assertion order modulation [2018-06-24 21:58:46,447 INFO ]: Interprodecural is true [2018-06-24 21:58:46,447 INFO ]: Hoare is false [2018-06-24 21:58:46,447 INFO ]: Compute interpolants for FPandBP [2018-06-24 21:58:46,447 INFO ]: Backedges is TWOTRACK [2018-06-24 21:58:46,447 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 21:58:46,447 INFO ]: Difference is false [2018-06-24 21:58:46,447 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 21:58:46,447 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 21:58:46,455 INFO ]: Start isEmpty. Operand 7 states. [2018-06-24 21:58:46,464 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:58:46,464 INFO ]: Found error trace [2018-06-24 21:58:46,465 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:58:46,465 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:58:46,470 INFO ]: Analyzing trace with hash 44914301, now seen corresponding path program 1 times [2018-06-24 21:58:46,472 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:58:46,472 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:58:46,512 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:58:46,512 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:58:46,512 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:58:46,561 INFO ]: Conjunction of SSA is sat [2018-06-24 21:58:46,566 INFO ]: Counterexample might be feasible [2018-06-24 21:58:46,579 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 21:58:46,581 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:58:46 BasicIcfg [2018-06-24 21:58:46,581 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 21:58:46,584 INFO ]: Toolchain (without parser) took 1306.38 ms. Allocated memory is still 304.1 MB. Free memory was 250.5 MB in the beginning and 206.5 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:46,586 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 304.1 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:58:46,586 INFO ]: ChcToBoogie took 89.33 ms. Allocated memory is still 304.1 MB. Free memory was 250.5 MB in the beginning and 246.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:46,587 INFO ]: Boogie Preprocessor took 74.76 ms. Allocated memory is still 304.1 MB. Free memory was 246.5 MB in the beginning and 244.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:46,588 INFO ]: RCFGBuilder took 632.02 ms. Allocated memory is still 304.1 MB. Free memory was 244.5 MB in the beginning and 224.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:46,588 INFO ]: BlockEncodingV2 took 274.99 ms. Allocated memory is still 304.1 MB. Free memory was 224.5 MB in the beginning and 214.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:46,589 INFO ]: TraceAbstraction took 221.16 ms. Allocated memory is still 304.1 MB. Free memory was 214.5 MB in the beginning and 206.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:46,593 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 11 locations, 33 edges - StatisticsResult: Encoded RCFG 7 locations, 21 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 304.1 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 89.33 ms. Allocated memory is still 304.1 MB. Free memory was 250.5 MB in the beginning and 246.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 74.76 ms. Allocated memory is still 304.1 MB. Free memory was 246.5 MB in the beginning and 244.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 632.02 ms. Allocated memory is still 304.1 MB. Free memory was 244.5 MB in the beginning and 224.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 274.99 ms. Allocated memory is still 304.1 MB. Free memory was 224.5 MB in the beginning and 214.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 221.16 ms. Allocated memory is still 304.1 MB. Free memory was 214.5 MB in the beginning and 206.5 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, 0, 0, 0, 0); [L0] assume (!(hbv_False_3_Array_Int_Int[hbv_False_4_Int] != 0) && !(hbv_False_6_Int == hbv_False_7_Int && hbv_False_3_Array_Int_Int[hbv_False_5_Int] == hbv_False_1_Array_Int_Int[hbv_False_5_Int])) && !(hbv_False_1_Array_Int_Int[hbv_False_2_Int] != 0); [L0] hhv_INV_MAIN_1_0_Int, hhv_INV_MAIN_1_1_Int, hhv_INV_MAIN_1_2_Int, hhv_INV_MAIN_1_3_Int, hhv_INV_MAIN_1_4_Int, hhv_INV_MAIN_1_5_Int, hhv_INV_MAIN_1_6_Int, hhv_INV_MAIN_1_7_Int, hhv_INV_MAIN_1_8_Int, hhv_INV_MAIN_1_9_Int := hbv_False_6_Int, hbv_False_8_Int, hbv_False_4_Int, skolem47(hbv_False_4_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_8_Int, hbv_False_3_Array_Int_Int, hbv_False_9_Int, hbv_False_1_Array_Int_Int), hbv_False_3_Array_Int_Int[skolem47(hbv_False_4_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_8_Int, hbv_False_3_Array_Int_Int, hbv_False_9_Int, hbv_False_1_Array_Int_Int)], hbv_False_7_Int, hbv_False_9_Int, hbv_False_2_Int, skolem48(hbv_False_4_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_8_Int, hbv_False_3_Array_Int_Int, hbv_False_9_Int, hbv_False_1_Array_Int_Int), hbv_False_1_Array_Int_Int[skolem48(hbv_False_4_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_8_Int, hbv_False_3_Array_Int_Int, hbv_False_9_Int, hbv_False_1_Array_Int_Int)]; [L0] havoc hbv_False_1_Array_Int_Int, hbv_False_7_Int, hbv_False_6_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_8_Int, hbv_False_2_Int, hbv_False_9_Int, hbv_False_3_Array_Int_Int; [L0] RET call gotoProc(0, 0, 0, 0, 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__strcspn_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_21-58-46-612.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strcspn_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_21-58-46-612.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strcspn_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_21-58-46-612.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strcspn_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_21-58-46-612.csv Received shutdown request...