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.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 21:58:49,273 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 21:58:49,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 21:58:49,292 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 21:58:49,292 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 21:58:49,293 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 21:58:49,294 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 21:58:49,299 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 21:58:49,302 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 21:58:49,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 21:58:49,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 21:58:49,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 21:58:49,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 21:58:49,308 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 21:58:49,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 21:58:49,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 21:58:49,324 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 21:58:49,326 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 21:58:49,327 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 21:58:49,328 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 21:58:49,329 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 21:58:49,331 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 21:58:49,331 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 21:58:49,331 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 21:58:49,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 21:58:49,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 21:58:49,337 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 21:58:49,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 21:58:49,338 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 21:58:49,338 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 21:58:49,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 21:58:49,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 21:58:49,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 21:58:49,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 21:58:49,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 21:58:49,347 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 21:58:49,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 21:58:49,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 21:58:49,374 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 21:58:49,375 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 21:58:49,376 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 21:58:49,377 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 21:58:49,377 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 21:58:49,378 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 21:58:49,378 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 21:58:49,378 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 21:58:49,378 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 21:58:49,379 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 21:58:49,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:58:49,379 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 21:58:49,379 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 21:58:49,379 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 21:58:49,379 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 21:58:49,380 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 21:58:49,380 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 21:58:49,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 21:58:49,380 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 21:58:49,385 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 21:58:49,385 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 21:58:49,440 INFO ]: Repository-Root is: /tmp [2018-06-24 21:58:49,456 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 21:58:49,461 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 21:58:49,462 INFO ]: Initializing SmtParser... [2018-06-24 21:58:49,462 INFO ]: SmtParser initialized [2018-06-24 21:58:49,463 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn.smt2 [2018-06-24 21:58:49,464 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 21:58:49,551 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@30114c99 [2018-06-24 21:58:49,924 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strcspn.smt2 [2018-06-24 21:58:49,928 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 21:58:49,934 INFO ]: Walking toolchain with 5 elements. [2018-06-24 21:58:49,934 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 21:58:49,934 INFO ]: Initializing ChcToBoogie... [2018-06-24 21:58:49,935 INFO ]: ChcToBoogie initialized [2018-06-24 21:58:49,938 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:58:49" (1/1) ... [2018-06-24 21:58:50,029 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:50 Unit [2018-06-24 21:58:50,029 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 21:58:50,030 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 21:58:50,030 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 21:58:50,030 INFO ]: Boogie Preprocessor initialized [2018-06-24 21:58:50,051 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:50" (1/1) ... [2018-06-24 21:58:50,051 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:50" (1/1) ... [2018-06-24 21:58:50,079 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:50" (1/1) ... [2018-06-24 21:58:50,079 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:50" (1/1) ... [2018-06-24 21:58:50,097 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:50" (1/1) ... [2018-06-24 21:58:50,099 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:50" (1/1) ... [2018-06-24 21:58:50,103 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:50" (1/1) ... [2018-06-24 21:58:50,117 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 21:58:50,118 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 21:58:50,118 INFO ]: Initializing RCFGBuilder... [2018-06-24 21:58:50,118 INFO ]: RCFGBuilder initialized [2018-06-24 21:58:50,119 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:50" (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 21:58:50,149 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 21:58:50,149 INFO ]: Found specification of procedure gotoProc [2018-06-24 21:58:50,149 INFO ]: Found implementation of procedure gotoProc [2018-06-24 21:58:50,149 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 21:58:50,150 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 21:58:50,150 INFO ]: Found implementation of procedure Ultimate.START [2018-06-24 21:58:50,707 INFO ]: Using library mode [2018-06-24 21:58:50,707 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:58:50 BoogieIcfgContainer [2018-06-24 21:58:50,707 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 21:58:50,709 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 21:58:50,709 INFO ]: Initializing BlockEncodingV2... [2018-06-24 21:58:50,710 INFO ]: BlockEncodingV2 initialized [2018-06-24 21:58:50,710 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:58:50" (1/1) ... [2018-06-24 21:58:50,731 INFO ]: Initial Icfg 11 locations, 29 edges [2018-06-24 21:58:50,732 INFO ]: Using Remove infeasible edges [2018-06-24 21:58:50,733 INFO ]: Using Maximize final states [2018-06-24 21:58:50,733 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 21:58:50,733 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 21:58:50,743 INFO ]: Using Remove sink states [2018-06-24 21:58:50,744 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 21:58:50,744 INFO ]: Using Use SBE [2018-06-24 21:58:50,783 INFO ]: SBE split 8 edges [2018-06-24 21:58:50,792 INFO ]: Removed 4 edges and 2 locations because of local infeasibility [2018-06-24 21:58:50,794 INFO ]: 0 new accepting states [2018-06-24 21:58:51,025 INFO ]: Removed 18 edges and 2 locations by large block encoding [2018-06-24 21:58:51,027 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:58:51,029 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 21:58:51,029 INFO ]: 0 new accepting states [2018-06-24 21:58:51,029 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:58:51,029 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:58:51,029 INFO ]: Encoded RCFG 7 locations, 32 edges [2018-06-24 21:58:51,030 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:58:51 BasicIcfg [2018-06-24 21:58:51,030 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 21:58:51,031 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 21:58:51,031 INFO ]: Initializing TraceAbstraction... [2018-06-24 21:58:51,034 INFO ]: TraceAbstraction initialized [2018-06-24 21:58:51,035 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:58:49" (1/4) ... [2018-06-24 21:58:51,035 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5134c438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 09:58:51, skipping insertion in model container [2018-06-24 21:58:51,036 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:58:50" (2/4) ... [2018-06-24 21:58:51,037 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5134c438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 09:58:51, skipping insertion in model container [2018-06-24 21:58:51,037 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:58:50" (3/4) ... [2018-06-24 21:58:51,037 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5134c438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:58:51, skipping insertion in model container [2018-06-24 21:58:51,037 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:58:51" (4/4) ... [2018-06-24 21:58:51,039 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 21:58:51,049 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 21:58:51,058 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 21:58:51,118 INFO ]: Using default assertion order modulation [2018-06-24 21:58:51,118 INFO ]: Interprodecural is true [2018-06-24 21:58:51,118 INFO ]: Hoare is false [2018-06-24 21:58:51,118 INFO ]: Compute interpolants for FPandBP [2018-06-24 21:58:51,118 INFO ]: Backedges is TWOTRACK [2018-06-24 21:58:51,118 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 21:58:51,118 INFO ]: Difference is false [2018-06-24 21:58:51,119 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 21:58:51,119 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 21:58:51,132 INFO ]: Start isEmpty. Operand 7 states. [2018-06-24 21:58:51,142 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:58:51,142 INFO ]: Found error trace [2018-06-24 21:58:51,144 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:58:51,144 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:58:51,150 INFO ]: Analyzing trace with hash 38370721, now seen corresponding path program 1 times [2018-06-24 21:58:51,152 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:58:51,152 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:58:51,200 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:58:51,200 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:58:51,201 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:58:51,257 INFO ]: Conjunction of SSA is sat [2018-06-24 21:58:51,262 INFO ]: Counterexample might be feasible [2018-06-24 21:58:51,277 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 21:58:51,279 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:58:51 BasicIcfg [2018-06-24 21:58:51,279 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 21:58:51,280 INFO ]: Toolchain (without parser) took 1351.32 ms. Allocated memory is still 308.8 MB. Free memory was 255.2 MB in the beginning and 205.4 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:51,284 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:58:51,284 INFO ]: ChcToBoogie took 94.71 ms. Allocated memory is still 308.8 MB. Free memory was 255.2 MB in the beginning and 253.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:51,284 INFO ]: Boogie Preprocessor took 87.74 ms. Allocated memory is still 308.8 MB. Free memory was 253.2 MB in the beginning and 251.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:51,285 INFO ]: RCFGBuilder took 589.79 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 227.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:51,287 INFO ]: BlockEncodingV2 took 321.04 ms. Allocated memory is still 308.8 MB. Free memory was 227.3 MB in the beginning and 215.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:51,288 INFO ]: TraceAbstraction took 248.13 ms. Allocated memory is still 308.8 MB. Free memory was 215.3 MB in the beginning and 205.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:58:51,293 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 11 locations, 29 edges - StatisticsResult: Encoded RCFG 7 locations, 32 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 94.71 ms. Allocated memory is still 308.8 MB. Free memory was 255.2 MB in the beginning and 253.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 87.74 ms. Allocated memory is still 308.8 MB. Free memory was 253.2 MB in the beginning and 251.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 589.79 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 227.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 321.04 ms. Allocated memory is still 308.8 MB. Free memory was 227.3 MB in the beginning and 215.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 248.13 ms. Allocated memory is still 308.8 MB. Free memory was 215.3 MB in the beginning and 205.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 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, 0, 0, 0); [L0] assume (((!(hbv_False_1_Array_Int_Int[hbv_False_2_Int] == 0) && !(0 == hbv_False_3_Array_Int_Int[hbv_False_4_Int])) && !(hbv_False_3_Array_Int_Int[hbv_False_4_Int] == hbv_False_3_Array_Int_Int[hbv_False_5_Int + 0])) && !(0 == hbv_False_3_Array_Int_Int[hbv_False_5_Int + 0])) && hbv_False_1_Array_Int_Int[hbv_False_6_Int] == hbv_False_1_Array_Int_Int[hbv_False_2_Int]; [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, hhv_INV_MAIN_0_8_Int, hhv_INV_MAIN_0_9_Int := hbv_False_2_Int, hbv_False_6_Int, hbv_False_7_Int, skolem1(hbv_False_7_Int, hbv_False_4_Int, hbv_False_2_Int, hbv_False_8_Int, hbv_False_6_Int, hbv_False_1_Array_Int_Int, hbv_False_5_Int, hbv_False_3_Array_Int_Int), hbv_False_1_Array_Int_Int[skolem1(hbv_False_7_Int, hbv_False_4_Int, hbv_False_2_Int, hbv_False_8_Int, hbv_False_6_Int, hbv_False_1_Array_Int_Int, hbv_False_5_Int, hbv_False_3_Array_Int_Int)], hbv_False_8_Int, hbv_False_5_Int, hbv_False_4_Int, skolem2(hbv_False_7_Int, hbv_False_4_Int, hbv_False_2_Int, hbv_False_8_Int, hbv_False_6_Int, hbv_False_1_Array_Int_Int, hbv_False_5_Int, hbv_False_3_Array_Int_Int), hbv_False_3_Array_Int_Int[skolem2(hbv_False_7_Int, hbv_False_4_Int, hbv_False_2_Int, hbv_False_8_Int, hbv_False_6_Int, hbv_False_1_Array_Int_Int, hbv_False_5_Int, hbv_False_3_Array_Int_Int)]; [L0] havoc hbv_False_5_Int, hbv_False_4_Int, hbv_False_8_Int, hbv_False_1_Array_Int_Int, hbv_False_3_Array_Int_Int, hbv_False_2_Int, hbv_False_6_Int, hbv_False_7_Int; [L0] RET call gotoProc(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.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_21-58-51-317.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strcspn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_21-58-51-317.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strcspn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_21-58-51-317.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strcspn.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_21-58-51-317.csv Received shutdown request...