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_No_Goto.epf -i /storage/chc-comp/llreve-bench/smt2/quant/coreutils__md5sum.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 12:14:39,538 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 12:14:39,540 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 12:14:39,551 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 12:14:39,551 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 12:14:39,552 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 12:14:39,553 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 12:14:39,555 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 12:14:39,557 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 12:14:39,557 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 12:14:39,558 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 12:14:39,558 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 12:14:39,559 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 12:14:39,561 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 12:14:39,561 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 12:14:39,562 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 12:14:39,564 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 12:14:39,566 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 12:14:39,567 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 12:14:39,568 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 12:14:39,569 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 12:14:39,572 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 12:14:39,572 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 12:14:39,572 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 12:14:39,573 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 12:14:39,574 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 12:14:39,575 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 12:14:39,576 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 12:14:39,577 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 12:14:39,577 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 12:14:39,578 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 12:14:39,578 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 12:14:39,579 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 12:14:39,579 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 12:14:39,580 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 12:14:39,580 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 12:14:39,594 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 12:14:39,594 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 12:14:39,595 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 12:14:39,595 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 12:14:39,596 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 12:14:39,596 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 12:14:39,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 12:14:39,597 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 12:14:39,597 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 12:14:39,598 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 12:14:39,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 12:14:39,598 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 12:14:39,598 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 12:14:39,599 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 12:14:39,599 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 12:14:39,599 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 12:14:39,599 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 12:14:39,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 12:14:39,600 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 12:14:39,601 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 12:14:39,602 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 12:14:39,647 INFO ]: Repository-Root is: /tmp [2018-06-22 12:14:39,664 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 12:14:39,668 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 12:14:39,670 INFO ]: Initializing SmtParser... [2018-06-22 12:14:39,670 INFO ]: SmtParser initialized [2018-06-22 12:14:39,671 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/coreutils__md5sum.smt2 [2018-06-22 12:14:39,672 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 12:14:39,741 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 12:14:40,262 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/coreutils__md5sum.smt2 [2018-06-22 12:14:40,267 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 12:14:40,272 INFO ]: Walking toolchain with 4 elements. [2018-06-22 12:14:40,273 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 12:14:40,273 INFO ]: Initializing ChcToBoogie... [2018-06-22 12:14:40,273 INFO ]: ChcToBoogie initialized [2018-06-22 12:14:40,276 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:14:40" (1/1) ... [2018-06-22 12:14:40,383 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:14:40 Unit [2018-06-22 12:14:40,383 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 12:14:40,383 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 12:14:40,383 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 12:14:40,383 INFO ]: Boogie Preprocessor initialized [2018-06-22 12:14:40,435 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:14:40" (1/1) ... [2018-06-22 12:14:40,435 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:14:40" (1/1) ... [2018-06-22 12:14:40,467 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:14:40" (1/1) ... [2018-06-22 12:14:40,467 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:14:40" (1/1) ... [2018-06-22 12:14:40,498 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:14:40" (1/1) ... [2018-06-22 12:14:40,502 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:14:40" (1/1) ... [2018-06-22 12:14:40,514 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:14:40" (1/1) ... [2018-06-22 12:14:40,521 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 12:14:40,522 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 12:14:40,522 INFO ]: Initializing RCFGBuilder... [2018-06-22 12:14:40,522 INFO ]: RCFGBuilder initialized [2018-06-22 12:14:40,522 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:14:40" (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 12:14:40,542 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 12:14:40,542 INFO ]: Found specification of procedure False [2018-06-22 12:14:40,542 INFO ]: Found implementation of procedure False [2018-06-22 12:14:40,542 INFO ]: Specification and implementation of procedure INV_MAIN_3 given in one single declaration [2018-06-22 12:14:40,542 INFO ]: Found specification of procedure INV_MAIN_3 [2018-06-22 12:14:40,542 INFO ]: Found implementation of procedure INV_MAIN_3 [2018-06-22 12:14:40,542 INFO ]: Specification and implementation of procedure INV_MAIN_2 given in one single declaration [2018-06-22 12:14:40,542 INFO ]: Found specification of procedure INV_MAIN_2 [2018-06-22 12:14:40,542 INFO ]: Found implementation of procedure INV_MAIN_2 [2018-06-22 12:14:40,542 INFO ]: Specification and implementation of procedure INV_MAIN_1 given in one single declaration [2018-06-22 12:14:40,542 INFO ]: Found specification of procedure INV_MAIN_1 [2018-06-22 12:14:40,542 INFO ]: Found implementation of procedure INV_MAIN_1 [2018-06-22 12:14:40,542 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 12:14:40,542 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 12:14:40,542 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 12:14:41,505 INFO ]: Using library mode [2018-06-22 12:14:41,506 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:14:41 BoogieIcfgContainer [2018-06-22 12:14:41,506 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 12:14:41,508 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 12:14:41,508 INFO ]: Initializing TraceAbstraction... [2018-06-22 12:14:41,517 INFO ]: TraceAbstraction initialized [2018-06-22 12:14:41,518 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:14:40" (1/3) ... [2018-06-22 12:14:41,518 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f4eac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 12:14:41, skipping insertion in model container [2018-06-22 12:14:41,519 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:14:40" (2/3) ... [2018-06-22 12:14:41,519 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f4eac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:14:41, skipping insertion in model container [2018-06-22 12:14:41,519 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:14:41" (3/3) ... [2018-06-22 12:14:41,522 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 12:14:41,533 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 12:14:41,542 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 12:14:41,590 INFO ]: Using default assertion order modulation [2018-06-22 12:14:41,590 INFO ]: Interprodecural is true [2018-06-22 12:14:41,590 INFO ]: Hoare is false [2018-06-22 12:14:41,590 INFO ]: Compute interpolants for FPandBP [2018-06-22 12:14:41,590 INFO ]: Backedges is TWOTRACK [2018-06-22 12:14:41,590 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 12:14:41,591 INFO ]: Difference is false [2018-06-22 12:14:41,591 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 12:14:41,591 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 12:14:41,614 INFO ]: Start isEmpty. Operand 57 states. [2018-06-22 12:14:41,650 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 12:14:41,650 INFO ]: Found error trace [2018-06-22 12:14:41,652 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 12:14:41,652 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:14:41,657 INFO ]: Analyzing trace with hash 344968246, now seen corresponding path program 1 times [2018-06-22 12:14:41,659 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:14:41,660 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:14:41,708 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:14:41,708 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:14:41,708 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:14:41,725 INFO ]: Conjunction of SSA is unsat [2018-06-22 12:14:41,750 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 12:14:41,753 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 12:14:41,753 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 12:14:41,755 INFO ]: Interpolant automaton has 2 states [2018-06-22 12:14:41,771 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 12:14:41,771 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 12:14:41,774 INFO ]: Start difference. First operand 57 states. Second operand 2 states. [2018-06-22 12:14:41,810 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 12:14:41,810 INFO ]: Finished difference Result 48 states and 107 transitions. [2018-06-22 12:14:41,811 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 12:14:41,812 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 12:14:41,812 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 12:14:41,830 INFO ]: With dead ends: 48 [2018-06-22 12:14:41,830 INFO ]: Without dead ends: 48 [2018-06-22 12:14:41,843 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 12:14:41,862 INFO ]: Start minimizeSevpa. Operand 48 states. [2018-06-22 12:14:41,913 INFO ]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-06-22 12:14:41,914 INFO ]: Start removeUnreachable. Operand 48 states. [2018-06-22 12:14:41,917 INFO ]: Finished removeUnreachable. Reduced from 48 states to 48 states and 107 transitions. [2018-06-22 12:14:41,918 INFO ]: Start accepts. Automaton has 48 states and 107 transitions. Word has length 5 [2018-06-22 12:14:41,919 INFO ]: Finished accepts. word is rejected. [2018-06-22 12:14:41,919 INFO ]: Abstraction has 48 states and 107 transitions. [2018-06-22 12:14:41,919 INFO ]: Interpolant automaton has 2 states. [2018-06-22 12:14:41,919 INFO ]: Start isEmpty. Operand 48 states and 107 transitions. [2018-06-22 12:14:41,936 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 12:14:41,936 INFO ]: Found error trace [2018-06-22 12:14:41,936 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 12:14:41,937 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:14:41,937 INFO ]: Analyzing trace with hash -118337259, now seen corresponding path program 1 times [2018-06-22 12:14:41,937 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:14:41,937 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:14:41,938 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:14:41,938 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:14:41,938 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:14:41,974 INFO ]: Conjunction of SSA is sat [2018-06-22 12:14:41,980 INFO ]: Counterexample might be feasible [2018-06-22 12:14:41,996 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:14:41 BoogieIcfgContainer [2018-06-22 12:14:41,996 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 12:14:41,997 INFO ]: Toolchain (without parser) took 1729.92 ms. Allocated memory was 307.2 MB in the beginning and 328.7 MB in the end (delta: 21.5 MB). Free memory was 239.7 MB in the beginning and 290.3 MB in the end (delta: -50.7 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 12:14:41,999 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 12:14:41,999 INFO ]: ChcToBoogie took 110.04 ms. Allocated memory is still 307.2 MB. Free memory was 239.7 MB in the beginning and 235.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:14:41,999 INFO ]: Boogie Preprocessor took 137.74 ms. Allocated memory is still 307.2 MB. Free memory was 235.7 MB in the beginning and 233.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:14:42,002 INFO ]: RCFGBuilder took 984.89 ms. Allocated memory is still 307.2 MB. Free memory was 233.7 MB in the beginning and 201.7 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:14:42,003 INFO ]: TraceAbstraction took 487.98 ms. Allocated memory was 307.2 MB in the beginning and 328.7 MB in the end (delta: 21.5 MB). Free memory was 201.7 MB in the beginning and 290.3 MB in the end (delta: -88.6 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 12:14:42,007 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 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 110.04 ms. Allocated memory is still 307.2 MB. Free memory was 239.7 MB in the beginning and 235.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 137.74 ms. Allocated memory is still 307.2 MB. Free memory was 235.7 MB in the beginning and 233.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 984.89 ms. Allocated memory is still 307.2 MB. Free memory was 233.7 MB in the beginning and 201.7 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 487.98 ms. Allocated memory was 307.2 MB in the beginning and 328.7 MB in the end (delta: 21.5 MB). Free memory was 201.7 MB in the beginning and 290.3 MB in the end (delta: -88.6 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 False(); [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] CALL call INV_MAIN_1(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] 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 INV_MAIN_1(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] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 57 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 107 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=57occurred 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, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 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_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_12-14-42-028.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/coreutils__md5sum.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_12-14-42-028.csv Received shutdown request...