java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.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 0.1.23-8d74a04 [2018-06-22 02:27:55,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 02:27:55,035 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 02:27:55,051 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 02:27:55,051 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 02:27:55,052 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 02:27:55,053 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 02:27:55,055 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 02:27:55,057 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 02:27:55,058 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 02:27:55,059 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 02:27:55,059 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 02:27:55,062 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 02:27:55,063 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 02:27:55,063 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 02:27:55,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 02:27:55,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 02:27:55,070 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 02:27:55,084 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 02:27:55,085 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 02:27:55,086 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 02:27:55,088 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 02:27:55,088 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 02:27:55,088 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 02:27:55,089 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 02:27:55,090 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 02:27:55,091 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 02:27:55,091 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 02:27:55,097 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 02:27:55,098 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 02:27:55,098 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 02:27:55,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 02:27:55,099 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 02:27:55,100 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 02:27:55,100 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 02:27:55,101 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 02:27:55,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 02:27:55,124 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 02:27:55,125 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 02:27:55,125 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 02:27:55,127 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 02:27:55,127 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 02:27:55,127 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 02:27:55,127 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 02:27:55,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 02:27:55,128 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 02:27:55,128 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 02:27:55,129 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 02:27:55,129 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 02:27:55,129 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 02:27:55,129 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 02:27:55,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 02:27:55,129 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 02:27:55,131 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 02:27:55,131 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 02:27:55,171 INFO ]: Repository-Root is: /tmp [2018-06-22 02:27:55,187 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 02:27:55,193 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 02:27:55,195 INFO ]: Initializing SmtParser... [2018-06-22 02:27:55,195 INFO ]: SmtParser initialized [2018-06-22 02:27:55,196 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/coreutils__md5sum.smt2 [2018-06-22 02:27:55,197 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 [2018-06-22 02:27:55,286 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@1e9b0331 [2018-06-22 02:27:55,930 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/coreutils__md5sum.smt2 [2018-06-22 02:27:55,935 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 02:27:55,940 INFO ]: Walking toolchain with 4 elements. [2018-06-22 02:27:55,941 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 02:27:55,941 INFO ]: Initializing ChcToBoogie... [2018-06-22 02:27:55,941 INFO ]: ChcToBoogie initialized [2018-06-22 02:27:55,944 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:27:55" (1/1) ... [2018-06-22 02:27:56,031 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:27:56 Unit [2018-06-22 02:27:56,031 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 02:27:56,032 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 02:27:56,032 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 02:27:56,032 INFO ]: Boogie Preprocessor initialized [2018-06-22 02:27:56,052 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:27:56" (1/1) ... [2018-06-22 02:27:56,052 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:27:56" (1/1) ... [2018-06-22 02:27:56,070 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:27:56" (1/1) ... [2018-06-22 02:27:56,071 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:27:56" (1/1) ... [2018-06-22 02:27:56,086 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:27:56" (1/1) ... [2018-06-22 02:27:56,090 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:27:56" (1/1) ... [2018-06-22 02:27:56,094 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:27:56" (1/1) ... [2018-06-22 02:27:56,106 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 02:27:56,107 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 02:27:56,107 INFO ]: Initializing RCFGBuilder... [2018-06-22 02:27:56,107 INFO ]: RCFGBuilder initialized [2018-06-22 02:27:56,108 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:27:56" (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) [2018-06-22 02:27:56,131 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 02:27:56,131 INFO ]: Found specification of procedure gotoProc [2018-06-22 02:27:56,131 INFO ]: Found implementation of procedure gotoProc [2018-06-22 02:27:56,131 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 02:27:56,131 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 02:27:56,131 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 [2018-06-22 02:27:57,188 INFO ]: Using library mode [2018-06-22 02:27:57,188 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:27:57 BoogieIcfgContainer [2018-06-22 02:27:57,189 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 02:27:57,190 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 02:27:57,190 INFO ]: Initializing TraceAbstraction... [2018-06-22 02:27:57,197 INFO ]: TraceAbstraction initialized [2018-06-22 02:27:57,197 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:27:55" (1/3) ... [2018-06-22 02:27:57,198 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df322a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 02:27:57, skipping insertion in model container [2018-06-22 02:27:57,198 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:27:56" (2/3) ... [2018-06-22 02:27:57,199 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df322a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:27:57, skipping insertion in model container [2018-06-22 02:27:57,199 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:27:57" (3/3) ... [2018-06-22 02:27:57,201 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 02:27:57,211 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 02:27:57,222 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 02:27:57,272 INFO ]: Using default assertion order modulation [2018-06-22 02:27:57,272 INFO ]: Interprodecural is true [2018-06-22 02:27:57,273 INFO ]: Hoare is false [2018-06-22 02:27:57,273 INFO ]: Compute interpolants for FPandBP [2018-06-22 02:27:57,273 INFO ]: Backedges is TWOTRACK [2018-06-22 02:27:57,273 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 02:27:57,273 INFO ]: Difference is false [2018-06-22 02:27:57,273 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 02:27:57,273 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 02:27:57,291 INFO ]: Start isEmpty. Operand 12 states. [2018-06-22 02:27:57,307 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-22 02:27:57,307 INFO ]: Found error trace [2018-06-22 02:27:57,308 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-22 02:27:57,308 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 02:27:57,314 INFO ]: Analyzing trace with hash -1260534124, now seen corresponding path program 1 times [2018-06-22 02:27:57,316 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 02:27:57,316 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 02:27:57,352 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:27:57,352 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:27:57,352 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:27:57,381 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:27:57,418 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 02:27:57,420 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 02:27:57,420 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 02:27:57,423 INFO ]: Interpolant automaton has 2 states [2018-06-22 02:27:57,468 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 02:27:57,469 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 02:27:57,472 INFO ]: Start difference. First operand 12 states. Second operand 2 states. [2018-06-22 02:27:57,504 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 02:27:57,504 INFO ]: Finished difference Result 10 states and 39 transitions. [2018-06-22 02:27:57,504 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 02:27:57,505 INFO ]: Start accepts. Automaton has 2 states. Word has length 6 [2018-06-22 02:27:57,505 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 02:27:57,521 INFO ]: With dead ends: 10 [2018-06-22 02:27:57,522 INFO ]: Without dead ends: 10 [2018-06-22 02:27:57,527 INFO ]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 02:27:57,549 INFO ]: Start minimizeSevpa. Operand 10 states. [2018-06-22 02:27:57,566 INFO ]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-06-22 02:27:57,567 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-22 02:27:57,568 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 39 transitions. [2018-06-22 02:27:57,570 INFO ]: Start accepts. Automaton has 10 states and 39 transitions. Word has length 6 [2018-06-22 02:27:57,571 INFO ]: Finished accepts. word is rejected. [2018-06-22 02:27:57,571 INFO ]: Abstraction has 10 states and 39 transitions. [2018-06-22 02:27:57,571 INFO ]: Interpolant automaton has 2 states. [2018-06-22 02:27:57,571 INFO ]: Start isEmpty. Operand 10 states and 39 transitions. [2018-06-22 02:27:57,571 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 02:27:57,571 INFO ]: Found error trace [2018-06-22 02:27:57,571 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 02:27:57,571 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 02:27:57,572 INFO ]: Analyzing trace with hash -410179528, now seen corresponding path program 1 times [2018-06-22 02:27:57,572 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 02:27:57,572 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 02:27:57,575 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:27:57,575 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:27:57,575 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:27:57,622 INFO ]: Conjunction of SSA is sat [2018-06-22 02:27:57,628 INFO ]: Counterexample might be feasible [2018-06-22 02:27:57,642 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:27:57 BoogieIcfgContainer [2018-06-22 02:27:57,642 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 02:27:57,643 INFO ]: Toolchain (without parser) took 1707.97 ms. Allocated memory was 304.1 MB in the beginning and 330.3 MB in the end (delta: 26.2 MB). Free memory was 238.7 MB in the beginning and 290.2 MB in the end (delta: -51.5 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 02:27:57,644 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 304.1 MB. Free memory is still 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 02:27:57,645 INFO ]: ChcToBoogie took 90.57 ms. Allocated memory is still 304.1 MB. Free memory was 238.7 MB in the beginning and 234.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:27:57,645 INFO ]: Boogie Preprocessor took 74.61 ms. Allocated memory is still 304.1 MB. Free memory was 234.7 MB in the beginning and 232.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:27:57,646 INFO ]: RCFGBuilder took 1081.90 ms. Allocated memory is still 304.1 MB. Free memory was 232.7 MB in the beginning and 195.7 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:27:57,646 INFO ]: TraceAbstraction took 451.81 ms. Allocated memory was 304.1 MB in the beginning and 330.3 MB in the end (delta: 26.2 MB). Free memory was 195.7 MB in the beginning and 290.2 MB in the end (delta: -94.4 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 02:27:57,653 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * 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 268.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 90.57 ms. Allocated memory is still 304.1 MB. Free memory was 238.7 MB in the beginning and 234.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 74.61 ms. Allocated memory is still 304.1 MB. Free memory was 234.7 MB in the beginning and 232.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1081.90 ms. Allocated memory is still 304.1 MB. Free memory was 232.7 MB in the beginning and 195.7 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 451.81 ms. Allocated memory was 304.1 MB in the beginning and 330.3 MB in the end (delta: 26.2 MB). Free memory was 195.7 MB in the beginning and 290.2 MB in the end (delta: -94.4 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] gotoSwitch := gotoSwitch_in; [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_2_Int, hbv_False_4_Int, hbv_False_1_Int, hbv_False_8_Int, hbv_False_3_Array_Int_Int, hbv_False_6_Array_Int_Int, hbv_False_5_Int, hbv_False_7_Int; [L0] assume (((((((((((((((hhv_INV_MAIN_1_9_Int == hbv_INV_MAIN_1_5_Array_Int_Int[hbv_INV_MAIN_1_6_Int := hhv_INV_MAIN_1_7_Int][hhv_INV_MAIN_1_8_Int] && hbv_INV_MAIN_1_4_Int == hbv_INV_MAIN_1_2_Int) && hhv_INV_MAIN_1_6_Int == hbv_INV_MAIN_1_2_Int - 1) && hbv_INV_MAIN_1_6_Int >= 0) && hbv_INV_MAIN_1_1_Int >= 0) && hhv_INV_MAIN_1_2_Int >= 0) && hhv_INV_MAIN_1_2_Int == hhv_INV_MAIN_1_7_Int) && hbv_INV_MAIN_1_1_Int == hbv_INV_MAIN_1_6_Int) && hbv_INV_MAIN_1_3_Array_Int_Int[skolem1(hhv_INV_MAIN_1_2_Int, hhv_INV_MAIN_1_0_Int, hbv_INV_MAIN_1_1_Int, hhv_INV_MAIN_1_5_Int, hhv_INV_MAIN_1_7_Int, hbv_INV_MAIN_1_2_Int, hbv_INV_MAIN_1_3_Array_Int_Int, hbv_INV_MAIN_1_4_Int, hbv_INV_MAIN_1_5_Array_Int_Int, hbv_INV_MAIN_1_6_Int)] == hbv_INV_MAIN_1_5_Array_Int_Int[skolem1(hhv_INV_MAIN_1_2_Int, hhv_INV_MAIN_1_0_Int, hbv_INV_MAIN_1_1_Int, hhv_INV_MAIN_1_5_Int, hhv_INV_MAIN_1_7_Int, hbv_INV_MAIN_1_2_Int, hbv_INV_MAIN_1_3_Array_Int_Int, hbv_INV_MAIN_1_4_Int, hbv_INV_MAIN_1_5_Array_Int_Int, hbv_INV_MAIN_1_6_Int)]) && hhv_INV_MAIN_1_1_Int == hbv_INV_MAIN_1_4_Int - 1) && !(0 == hbv_INV_MAIN_1_4_Int)) && hhv_INV_MAIN_1_7_Int >= 0) && !(hbv_INV_MAIN_1_2_Int == 0)) && hhv_INV_MAIN_1_0_Int == hhv_INV_MAIN_1_5_Int) && hhv_INV_MAIN_1_5_Int >= 0) && hhv_INV_MAIN_1_0_Int >= 0) && hhv_INV_MAIN_1_4_Int == hbv_INV_MAIN_1_3_Array_Int_Int[hbv_INV_MAIN_1_1_Int := hhv_INV_MAIN_1_2_Int][hhv_INV_MAIN_1_3_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, 12 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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.xml/Csv-Benchmark-0-2018-06-22_02-27-57-671.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/coreutils__md5sum.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_02-27-57-671.csv Received shutdown request...