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/libc__memset_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 12:15:21,727 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 12:15:21,730 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 12:15:21,742 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 12:15:21,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 12:15:21,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 12:15:21,745 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 12:15:21,748 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 12:15:21,750 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 12:15:21,751 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 12:15:21,752 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 12:15:21,753 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 12:15:21,753 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 12:15:21,754 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 12:15:21,757 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 12:15:21,758 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 12:15:21,760 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 12:15:21,769 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 12:15:21,770 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 12:15:21,771 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 12:15:21,772 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 12:15:21,776 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 12:15:21,777 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 12:15:21,777 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 12:15:21,778 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 12:15:21,778 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 12:15:21,782 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 12:15:21,783 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 12:15:21,783 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 12:15:21,784 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 12:15:21,784 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 12:15:21,789 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 12:15:21,789 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 12:15:21,790 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 12:15:21,790 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 12:15:21,791 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 12:15:21,810 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 12:15:21,810 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 12:15:21,811 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 12:15:21,811 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 12:15:21,812 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 12:15:21,812 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 12:15:21,812 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 12:15:21,812 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 12:15:21,813 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 12:15:21,815 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 12:15:21,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 12:15:21,815 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 12:15:21,816 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 12:15:21,816 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 12:15:21,816 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 12:15:21,816 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 12:15:21,816 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 12:15:21,817 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 12:15:21,817 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 12:15:21,818 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 12:15:21,818 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 12:15:21,877 INFO ]: Repository-Root is: /tmp [2018-06-22 12:15:21,891 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 12:15:21,896 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 12:15:21,897 INFO ]: Initializing SmtParser... [2018-06-22 12:15:21,897 INFO ]: SmtParser initialized [2018-06-22 12:15:21,899 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__memset_1.smt2 [2018-06-22 12:15:21,900 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 12:15:21,983 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__memset_1.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@5055eddf [2018-06-22 12:15:22,228 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__memset_1.smt2 [2018-06-22 12:15:22,233 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 12:15:22,240 INFO ]: Walking toolchain with 4 elements. [2018-06-22 12:15:22,241 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 12:15:22,241 INFO ]: Initializing ChcToBoogie... [2018-06-22 12:15:22,241 INFO ]: ChcToBoogie initialized [2018-06-22 12:15:22,244 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:15:22" (1/1) ... [2018-06-22 12:15:22,294 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:22 Unit [2018-06-22 12:15:22,294 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 12:15:22,296 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 12:15:22,296 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 12:15:22,296 INFO ]: Boogie Preprocessor initialized [2018-06-22 12:15:22,316 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:22" (1/1) ... [2018-06-22 12:15:22,316 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:22" (1/1) ... [2018-06-22 12:15:22,325 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:22" (1/1) ... [2018-06-22 12:15:22,325 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:22" (1/1) ... [2018-06-22 12:15:22,330 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:22" (1/1) ... [2018-06-22 12:15:22,331 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:22" (1/1) ... [2018-06-22 12:15:22,335 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:22" (1/1) ... [2018-06-22 12:15:22,338 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 12:15:22,339 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 12:15:22,339 INFO ]: Initializing RCFGBuilder... [2018-06-22 12:15:22,339 INFO ]: RCFGBuilder initialized [2018-06-22 12:15:22,339 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:22" (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 12:15:22,350 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 12:15:22,350 INFO ]: Found specification of procedure False [2018-06-22 12:15:22,350 INFO ]: Found implementation of procedure False [2018-06-22 12:15:22,350 INFO ]: Specification and implementation of procedure INV_MAIN_0 given in one single declaration [2018-06-22 12:15:22,350 INFO ]: Found specification of procedure INV_MAIN_0 [2018-06-22 12:15:22,350 INFO ]: Found implementation of procedure INV_MAIN_0 [2018-06-22 12:15:22,350 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 12:15:22,350 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 12:15:22,350 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 12:15:22,720 INFO ]: Using library mode [2018-06-22 12:15:22,721 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:15:22 BoogieIcfgContainer [2018-06-22 12:15:22,721 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 12:15:22,722 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 12:15:22,722 INFO ]: Initializing TraceAbstraction... [2018-06-22 12:15:22,725 INFO ]: TraceAbstraction initialized [2018-06-22 12:15:22,725 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:15:22" (1/3) ... [2018-06-22 12:15:22,726 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f121708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 12:15:22, skipping insertion in model container [2018-06-22 12:15:22,726 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:22" (2/3) ... [2018-06-22 12:15:22,726 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f121708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:15:22, skipping insertion in model container [2018-06-22 12:15:22,726 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:15:22" (3/3) ... [2018-06-22 12:15:22,728 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 12:15:22,735 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 12:15:22,742 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 12:15:22,778 INFO ]: Using default assertion order modulation [2018-06-22 12:15:22,778 INFO ]: Interprodecural is true [2018-06-22 12:15:22,778 INFO ]: Hoare is false [2018-06-22 12:15:22,778 INFO ]: Compute interpolants for FPandBP [2018-06-22 12:15:22,778 INFO ]: Backedges is TWOTRACK [2018-06-22 12:15:22,778 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 12:15:22,778 INFO ]: Difference is false [2018-06-22 12:15:22,778 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 12:15:22,778 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 12:15:22,792 INFO ]: Start isEmpty. Operand 15 states. [2018-06-22 12:15:22,805 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 12:15:22,805 INFO ]: Found error trace [2018-06-22 12:15:22,806 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 12:15:22,806 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:15:22,813 INFO ]: Analyzing trace with hash 70284149, now seen corresponding path program 1 times [2018-06-22 12:15:22,815 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:15:22,816 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:15:22,853 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:22,853 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:15:22,853 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:22,866 INFO ]: Conjunction of SSA is unsat [2018-06-22 12:15:22,891 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 12:15:22,893 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 12:15:22,894 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 12:15:22,895 INFO ]: Interpolant automaton has 2 states [2018-06-22 12:15:22,908 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 12:15:22,909 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 12:15:22,910 INFO ]: Start difference. First operand 15 states. Second operand 2 states. [2018-06-22 12:15:22,928 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 12:15:22,928 INFO ]: Finished difference Result 13 states and 19 transitions. [2018-06-22 12:15:22,928 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 12:15:22,929 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 12:15:22,929 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 12:15:22,940 INFO ]: With dead ends: 13 [2018-06-22 12:15:22,940 INFO ]: Without dead ends: 13 [2018-06-22 12:15:22,942 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 12:15:22,959 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 12:15:22,977 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 12:15:22,979 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 12:15:22,979 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2018-06-22 12:15:22,981 INFO ]: Start accepts. Automaton has 13 states and 19 transitions. Word has length 5 [2018-06-22 12:15:22,981 INFO ]: Finished accepts. word is rejected. [2018-06-22 12:15:22,982 INFO ]: Abstraction has 13 states and 19 transitions. [2018-06-22 12:15:22,982 INFO ]: Interpolant automaton has 2 states. [2018-06-22 12:15:22,982 INFO ]: Start isEmpty. Operand 13 states and 19 transitions. [2018-06-22 12:15:22,983 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 12:15:22,983 INFO ]: Found error trace [2018-06-22 12:15:22,983 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 12:15:22,983 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:15:22,984 INFO ]: Analyzing trace with hash 70343731, now seen corresponding path program 1 times [2018-06-22 12:15:22,984 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:15:22,984 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:15:22,984 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:22,984 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:15:22,984 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:23,005 INFO ]: Conjunction of SSA is sat [2018-06-22 12:15:23,006 INFO ]: Counterexample might be feasible [2018-06-22 12:15:23,021 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:15:23 BoogieIcfgContainer [2018-06-22 12:15:23,021 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 12:15:23,022 INFO ]: Toolchain (without parser) took 788.91 ms. Allocated memory is still 306.2 MB. Free memory was 260.7 MB in the beginning and 231.6 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:23,023 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 306.2 MB. Free memory is still 271.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 12:15:23,025 INFO ]: ChcToBoogie took 53.63 ms. Allocated memory is still 306.2 MB. Free memory was 260.7 MB in the beginning and 257.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:23,025 INFO ]: Boogie Preprocessor took 42.16 ms. Allocated memory is still 306.2 MB. Free memory was 257.7 MB in the beginning and 256.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 12:15:23,026 INFO ]: RCFGBuilder took 382.26 ms. Allocated memory is still 306.2 MB. Free memory was 256.7 MB in the beginning and 246.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:23,027 INFO ]: TraceAbstraction took 299.34 ms. Allocated memory is still 306.2 MB. Free memory was 246.7 MB in the beginning and 231.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:23,036 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 306.2 MB. Free memory is still 271.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 53.63 ms. Allocated memory is still 306.2 MB. Free memory was 260.7 MB in the beginning and 257.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 42.16 ms. Allocated memory is still 306.2 MB. Free memory was 257.7 MB in the beginning and 256.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 382.26 ms. Allocated memory is still 306.2 MB. Free memory was 256.7 MB in the beginning and 246.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 299.34 ms. Allocated memory is still 306.2 MB. Free memory was 246.7 MB in the beginning and 231.6 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call False(); [L0] assume (((((hbv_False_7_Array_Int_Int[skolem2(hbv_False_3_Int, hbv_False_2_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_1_Int, hbv_False_6_Int, hbv_False_7_Array_Int_Int, hbv_False_8_Array_Int_Int)] == hbv_False_8_Array_Int_Int[skolem2(hbv_False_3_Int, hbv_False_2_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_1_Int, hbv_False_6_Int, hbv_False_7_Array_Int_Int, hbv_False_8_Array_Int_Int)] && !(hbv_False_6_Int != 0)) && !(hbv_False_3_Int + 1 + -1 != 0)) && !(hbv_False_1_Int == hbv_False_2_Int && hbv_False_7_Array_Int_Int[hbv_False_9_Int] == hbv_False_8_Array_Int_Int[hbv_False_9_Int])) && hbv_False_4_Int == hbv_False_5_Int) && hbv_False_6_Int == hbv_False_3_Int) && hbv_False_1_Int == hbv_False_2_Int; [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 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=15occurred 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, 10 NumberOfCodeBlocks, 10 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/libc__memset_1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_12-15-23-051.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__memset_1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_12-15-23-051.csv Received shutdown request...