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/coreutils__md5sum.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 19:00:34,272 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 19:00:34,274 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 19:00:34,286 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 19:00:34,287 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 19:00:34,287 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 19:00:34,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 19:00:34,296 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 19:00:34,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 19:00:34,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 19:00:34,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 19:00:34,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 19:00:34,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 19:00:34,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 19:00:34,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 19:00:34,306 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 19:00:34,307 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 19:00:34,309 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 19:00:34,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 19:00:34,318 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 19:00:34,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 19:00:34,319 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 19:00:34,321 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-26 19:00:34,328 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 19:00:34,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 19:00:34,341 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 19:00:34,342 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 19:00:34,342 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 19:00:34,343 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 19:00:34,343 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 19:00:34,343 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 19:00:34,343 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 19:00:34,343 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 19:00:34,344 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 19:00:34,344 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 19:00:34,344 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 19:00:34,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 19:00:34,344 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 19:00:34,345 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 19:00:34,345 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 19:00:34,345 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 19:00:34,345 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 19:00:34,345 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 19:00:34,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 19:00:34,346 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 19:00:34,347 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 19:00:34,347 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 19:00:34,388 INFO ]: Repository-Root is: /tmp [2018-06-26 19:00:34,404 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 19:00:34,410 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 19:00:34,411 INFO ]: Initializing SmtParser... [2018-06-26 19:00:34,411 INFO ]: SmtParser initialized [2018-06-26 19:00:34,412 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/coreutils__md5sum.smt2 [2018-06-26 19:00:34,413 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 19:00:34,501 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/coreutils__md5sum.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@2ec6e207 [2018-06-26 19:00:35,010 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/coreutils__md5sum.smt2 [2018-06-26 19:00:35,015 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 19:00:35,021 INFO ]: Walking toolchain with 5 elements. [2018-06-26 19:00:35,021 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 19:00:35,021 INFO ]: Initializing ChcToBoogie... [2018-06-26 19:00:35,021 INFO ]: ChcToBoogie initialized [2018-06-26 19:00:35,024 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 07:00:35" (1/1) ... [2018-06-26 19:00:35,127 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:00:35 Unit [2018-06-26 19:00:35,127 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 19:00:35,127 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 19:00:35,127 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 19:00:35,127 INFO ]: Boogie Preprocessor initialized [2018-06-26 19:00:35,163 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:00:35" (1/1) ... [2018-06-26 19:00:35,163 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:00:35" (1/1) ... [2018-06-26 19:00:35,192 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:00:35" (1/1) ... [2018-06-26 19:00:35,192 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:00:35" (1/1) ... [2018-06-26 19:00:35,212 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:00:35" (1/1) ... [2018-06-26 19:00:35,215 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:00:35" (1/1) ... [2018-06-26 19:00:35,220 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:00:35" (1/1) ... [2018-06-26 19:00:35,227 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 19:00:35,227 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 19:00:35,227 INFO ]: Initializing RCFGBuilder... [2018-06-26 19:00:35,227 INFO ]: RCFGBuilder initialized [2018-06-26 19:00:35,228 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:00:35" (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) [2018-06-26 19:00:35,237 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 19:00:35,238 INFO ]: Found specification of procedure gotoProc [2018-06-26 19:00:35,238 INFO ]: Found implementation of procedure gotoProc [2018-06-26 19:00:35,238 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 19:00:35,238 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 19:00:35,238 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 19:00:36,159 INFO ]: Using library mode [2018-06-26 19:00:36,159 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:00:36 BoogieIcfgContainer [2018-06-26 19:00:36,159 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 19:00:36,160 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 19:00:36,160 INFO ]: Initializing BlockEncodingV2... [2018-06-26 19:00:36,161 INFO ]: BlockEncodingV2 initialized [2018-06-26 19:00:36,161 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:00:36" (1/1) ... [2018-06-26 19:00:36,178 INFO ]: Initial Icfg 12 locations, 50 edges [2018-06-26 19:00:36,179 INFO ]: Using Remove infeasible edges [2018-06-26 19:00:36,179 INFO ]: Using Maximize final states [2018-06-26 19:00:36,180 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 19:00:36,180 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 19:00:36,182 INFO ]: Using Remove sink states [2018-06-26 19:00:36,183 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 19:00:36,183 INFO ]: Using Use SBE [2018-06-26 19:00:36,214 INFO ]: SBE split 2 edges [2018-06-26 19:00:36,220 INFO ]: Removed 11 edges and 2 locations because of local infeasibility [2018-06-26 19:00:36,222 INFO ]: 0 new accepting states [2018-06-26 19:00:36,381 INFO ]: Removed 12 edges and 2 locations by large block encoding [2018-06-26 19:00:36,383 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 19:00:36,385 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 19:00:36,385 INFO ]: 0 new accepting states [2018-06-26 19:00:36,385 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 19:00:36,385 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 19:00:36,386 INFO ]: Encoded RCFG 8 locations, 39 edges [2018-06-26 19:00:36,388 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 07:00:36 BasicIcfg [2018-06-26 19:00:36,388 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 19:00:36,390 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 19:00:36,390 INFO ]: Initializing TraceAbstraction... [2018-06-26 19:00:36,396 INFO ]: TraceAbstraction initialized [2018-06-26 19:00:36,396 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 07:00:35" (1/4) ... [2018-06-26 19:00:36,414 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106552f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 07:00:36, skipping insertion in model container [2018-06-26 19:00:36,414 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 07:00:35" (2/4) ... [2018-06-26 19:00:36,417 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106552f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 07:00:36, skipping insertion in model container [2018-06-26 19:00:36,417 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 07:00:36" (3/4) ... [2018-06-26 19:00:36,417 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@106552f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 07:00:36, skipping insertion in model container [2018-06-26 19:00:36,417 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 07:00:36" (4/4) ... [2018-06-26 19:00:36,418 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 19:00:36,428 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 19:00:36,437 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 19:00:36,488 INFO ]: Using default assertion order modulation [2018-06-26 19:00:36,488 INFO ]: Interprodecural is true [2018-06-26 19:00:36,488 INFO ]: Hoare is false [2018-06-26 19:00:36,488 INFO ]: Compute interpolants for FPandBP [2018-06-26 19:00:36,488 INFO ]: Backedges is TWOTRACK [2018-06-26 19:00:36,488 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 19:00:36,488 INFO ]: Difference is false [2018-06-26 19:00:36,488 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 19:00:36,488 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 19:00:36,502 INFO ]: Start isEmpty. Operand 8 states. [2018-06-26 19:00:36,512 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-26 19:00:36,512 INFO ]: Found error trace [2018-06-26 19:00:36,516 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-26 19:00:36,516 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 19:00:36,521 INFO ]: Analyzing trace with hash 58035375, now seen corresponding path program 1 times [2018-06-26 19:00:36,523 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 19:00:36,523 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 19:00:36,569 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 19:00:36,569 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 19:00:36,569 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 19:00:36,645 INFO ]: Conjunction of SSA is sat [2018-06-26 19:00:36,654 INFO ]: Counterexample might be feasible [2018-06-26 19:00:36,670 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 19:00:36,672 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 07:00:36 BasicIcfg [2018-06-26 19:00:36,673 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 19:00:36,673 INFO ]: Toolchain (without parser) took 1658.13 ms. Allocated memory was 308.3 MB in the beginning and 326.1 MB in the end (delta: 17.8 MB). Free memory was 241.7 MB in the beginning and 287.1 MB in the end (delta: -45.5 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 19:00:36,678 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 19:00:36,678 INFO ]: ChcToBoogie took 105.92 ms. Allocated memory is still 308.3 MB. Free memory was 240.7 MB in the beginning and 237.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-26 19:00:36,679 INFO ]: Boogie Preprocessor took 99.44 ms. Allocated memory is still 308.3 MB. Free memory was 237.7 MB in the beginning and 234.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-26 19:00:36,679 INFO ]: RCFGBuilder took 932.17 ms. Allocated memory is still 308.3 MB. Free memory was 234.7 MB in the beginning and 200.7 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 3.6 GB. [2018-06-26 19:00:36,680 INFO ]: BlockEncodingV2 took 228.50 ms. Allocated memory is still 308.3 MB. Free memory was 200.7 MB in the beginning and 190.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-26 19:00:36,680 INFO ]: TraceAbstraction took 282.91 ms. Allocated memory was 308.3 MB in the beginning and 326.1 MB in the end (delta: 17.8 MB). Free memory was 190.6 MB in the beginning and 287.1 MB in the end (delta: -96.5 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 19:00:36,684 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 12 locations, 50 edges - StatisticsResult: Encoded RCFG 8 locations, 39 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 105.92 ms. Allocated memory is still 308.3 MB. Free memory was 240.7 MB in the beginning and 237.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 99.44 ms. Allocated memory is still 308.3 MB. Free memory was 237.7 MB in the beginning and 234.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 932.17 ms. Allocated memory is still 308.3 MB. Free memory was 234.7 MB in the beginning and 200.7 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 228.50 ms. Allocated memory is still 308.3 MB. Free memory was 200.7 MB in the beginning and 190.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 282.91 ms. Allocated memory was 308.3 MB in the beginning and 326.1 MB in the end (delta: 17.8 MB). Free memory was 190.6 MB in the beginning and 287.1 MB in the end (delta: -96.5 MB). There was no memory consumed. 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 ((!(hbv_False_3_Array_Int_Int[hbv_False_1_Int + hbv_False_2_Int] != 41) && !(hbv_False_2_Int != 0)) && !(hbv_False_4_Int != 0)) && !(41 == hbv_False_6_Array_Int_Int[hbv_False_5_Int + hbv_False_4_Int]); [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_7_Int, hbv_False_4_Int, hbv_False_5_Int, skolem8(hbv_False_5_Int, hbv_False_7_Int, hbv_False_4_Int, hbv_False_8_Int, hbv_False_1_Int, hbv_False_6_Array_Int_Int, hbv_False_2_Int, hbv_False_3_Array_Int_Int), hbv_False_6_Array_Int_Int[skolem8(hbv_False_5_Int, hbv_False_7_Int, hbv_False_4_Int, hbv_False_8_Int, hbv_False_1_Int, hbv_False_6_Array_Int_Int, hbv_False_2_Int, hbv_False_3_Array_Int_Int)], hbv_False_8_Int, hbv_False_2_Int, hbv_False_1_Int, skolem9(hbv_False_5_Int, hbv_False_7_Int, hbv_False_4_Int, hbv_False_8_Int, hbv_False_1_Int, hbv_False_6_Array_Int_Int, hbv_False_2_Int, hbv_False_3_Array_Int_Int), hbv_False_3_Array_Int_Int[skolem9(hbv_False_5_Int, hbv_False_7_Int, hbv_False_4_Int, hbv_False_8_Int, hbv_False_1_Int, hbv_False_6_Array_Int_Int, hbv_False_2_Int, hbv_False_3_Array_Int_Int)]; [L0] havoc hbv_False_7_Int, hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Array_Int_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Array_Int_Int, hbv_False_8_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, 8 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=8occurred 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/coreutils__md5sum.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_19-00-36-703.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/coreutils__md5sum.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_19-00-36-703.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/coreutils__md5sum.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_19-00-36-703.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/coreutils__md5sum.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_19-00-36-703.csv Received shutdown request...