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__strncmp_2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 12:15:42,650 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 12:15:42,654 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 12:15:42,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 12:15:42,668 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 12:15:42,669 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 12:15:42,670 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 12:15:42,673 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 12:15:42,674 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 12:15:42,675 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 12:15:42,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 12:15:42,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 12:15:42,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 12:15:42,678 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 12:15:42,682 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 12:15:42,683 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 12:15:42,685 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 12:15:42,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 12:15:42,699 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 12:15:42,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 12:15:42,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 12:15:42,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 12:15:42,704 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 12:15:42,704 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 12:15:42,705 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 12:15:42,705 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 12:15:42,710 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 12:15:42,711 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 12:15:42,712 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 12:15:42,712 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 12:15:42,713 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 12:15:42,713 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 12:15:42,714 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 12:15:42,720 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 12:15:42,720 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 12:15:42,720 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 12:15:42,742 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 12:15:42,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 12:15:42,743 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 12:15:42,743 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 12:15:42,744 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 12:15:42,744 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 12:15:42,744 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 12:15:42,745 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 12:15:42,745 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 12:15:42,745 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 12:15:42,745 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 12:15:42,746 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 12:15:42,746 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 12:15:42,746 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 12:15:42,747 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 12:15:42,747 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 12:15:42,747 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 12:15:42,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 12:15:42,747 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 12:15:42,749 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 12:15:42,749 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 12:15:42,801 INFO ]: Repository-Root is: /tmp [2018-06-22 12:15:42,814 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 12:15:42,818 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 12:15:42,819 INFO ]: Initializing SmtParser... [2018-06-22 12:15:42,820 INFO ]: SmtParser initialized [2018-06-22 12:15:42,820 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__strncmp_2.smt2 [2018-06-22 12:15:42,821 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 12:15:42,919 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strncmp_2.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@6c5fdd9a [2018-06-22 12:15:43,253 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__strncmp_2.smt2 [2018-06-22 12:15:43,261 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 12:15:43,267 INFO ]: Walking toolchain with 4 elements. [2018-06-22 12:15:43,267 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 12:15:43,267 INFO ]: Initializing ChcToBoogie... [2018-06-22 12:15:43,268 INFO ]: ChcToBoogie initialized [2018-06-22 12:15:43,271 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:15:43" (1/1) ... [2018-06-22 12:15:43,336 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:43 Unit [2018-06-22 12:15:43,336 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 12:15:43,337 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 12:15:43,337 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 12:15:43,337 INFO ]: Boogie Preprocessor initialized [2018-06-22 12:15:43,363 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:43" (1/1) ... [2018-06-22 12:15:43,366 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:43" (1/1) ... [2018-06-22 12:15:43,388 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:43" (1/1) ... [2018-06-22 12:15:43,389 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:43" (1/1) ... [2018-06-22 12:15:43,394 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:43" (1/1) ... [2018-06-22 12:15:43,403 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:43" (1/1) ... [2018-06-22 12:15:43,405 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:43" (1/1) ... [2018-06-22 12:15:43,410 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 12:15:43,411 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 12:15:43,411 INFO ]: Initializing RCFGBuilder... [2018-06-22 12:15:43,411 INFO ]: RCFGBuilder initialized [2018-06-22 12:15:43,412 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:43" (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 12:15:43,422 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 12:15:43,422 INFO ]: Found specification of procedure False [2018-06-22 12:15:43,422 INFO ]: Found implementation of procedure False [2018-06-22 12:15:43,422 INFO ]: Specification and implementation of procedure INV_MAIN_42 given in one single declaration [2018-06-22 12:15:43,422 INFO ]: Found specification of procedure INV_MAIN_42 [2018-06-22 12:15:43,422 INFO ]: Found implementation of procedure INV_MAIN_42 [2018-06-22 12:15:43,422 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 12:15:43,422 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 12:15:43,422 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 12:15:43,903 INFO ]: Using library mode [2018-06-22 12:15:43,903 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:15:43 BoogieIcfgContainer [2018-06-22 12:15:43,903 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 12:15:43,908 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 12:15:43,908 INFO ]: Initializing TraceAbstraction... [2018-06-22 12:15:43,915 INFO ]: TraceAbstraction initialized [2018-06-22 12:15:43,915 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:15:43" (1/3) ... [2018-06-22 12:15:43,916 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158a03fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 12:15:43, skipping insertion in model container [2018-06-22 12:15:43,916 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:15:43" (2/3) ... [2018-06-22 12:15:43,916 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158a03fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:15:43, skipping insertion in model container [2018-06-22 12:15:43,916 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:15:43" (3/3) ... [2018-06-22 12:15:43,919 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 12:15:43,929 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 12:15:43,939 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 12:15:43,996 INFO ]: Using default assertion order modulation [2018-06-22 12:15:43,996 INFO ]: Interprodecural is true [2018-06-22 12:15:43,996 INFO ]: Hoare is false [2018-06-22 12:15:43,996 INFO ]: Compute interpolants for FPandBP [2018-06-22 12:15:43,996 INFO ]: Backedges is TWOTRACK [2018-06-22 12:15:43,996 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 12:15:43,996 INFO ]: Difference is false [2018-06-22 12:15:43,996 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 12:15:43,996 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 12:15:44,015 INFO ]: Start isEmpty. Operand 23 states. [2018-06-22 12:15:44,031 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 12:15:44,031 INFO ]: Found error trace [2018-06-22 12:15:44,032 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 12:15:44,032 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:15:44,039 INFO ]: Analyzing trace with hash -296619737, now seen corresponding path program 1 times [2018-06-22 12:15:44,041 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:15:44,041 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:15:44,075 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:44,075 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:15:44,075 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:44,131 INFO ]: Conjunction of SSA is unsat [2018-06-22 12:15:44,272 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 12:15:44,274 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 12:15:44,274 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 12:15:44,275 INFO ]: Interpolant automaton has 4 states [2018-06-22 12:15:44,285 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 12:15:44,286 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 12:15:44,288 INFO ]: Start difference. First operand 23 states. Second operand 4 states. [2018-06-22 12:15:44,722 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 12:15:44,722 INFO ]: Finished difference Result 25 states and 55 transitions. [2018-06-22 12:15:44,723 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 12:15:44,724 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 12:15:44,725 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 12:15:44,739 INFO ]: With dead ends: 25 [2018-06-22 12:15:44,739 INFO ]: Without dead ends: 25 [2018-06-22 12:15:44,740 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 12:15:44,765 INFO ]: Start minimizeSevpa. Operand 25 states. [2018-06-22 12:15:44,805 INFO ]: Finished minimizeSevpa. Reduced states from 25 to 23. [2018-06-22 12:15:44,807 INFO ]: Start removeUnreachable. Operand 23 states. [2018-06-22 12:15:44,809 INFO ]: Finished removeUnreachable. Reduced from 23 states to 23 states and 53 transitions. [2018-06-22 12:15:44,811 INFO ]: Start accepts. Automaton has 23 states and 53 transitions. Word has length 9 [2018-06-22 12:15:44,812 INFO ]: Finished accepts. word is rejected. [2018-06-22 12:15:44,812 INFO ]: Abstraction has 23 states and 53 transitions. [2018-06-22 12:15:44,812 INFO ]: Interpolant automaton has 4 states. [2018-06-22 12:15:44,812 INFO ]: Start isEmpty. Operand 23 states and 53 transitions. [2018-06-22 12:15:44,817 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 12:15:44,817 INFO ]: Found error trace [2018-06-22 12:15:44,817 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 12:15:44,817 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:15:44,817 INFO ]: Analyzing trace with hash -1289818221, now seen corresponding path program 1 times [2018-06-22 12:15:44,817 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:15:44,817 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:15:44,818 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:44,818 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:15:44,818 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:15:44,840 INFO ]: Conjunction of SSA is sat [2018-06-22 12:15:44,843 INFO ]: Counterexample might be feasible [2018-06-22 12:15:44,862 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:15:44 BoogieIcfgContainer [2018-06-22 12:15:44,862 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 12:15:44,863 INFO ]: Toolchain (without parser) took 1601.33 ms. Allocated memory is still 305.7 MB. Free memory was 257.2 MB in the beginning and 204.1 MB in the end (delta: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:44,866 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.7 MB. Free memory is still 271.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 12:15:44,866 INFO ]: ChcToBoogie took 69.12 ms. Allocated memory is still 305.7 MB. Free memory was 257.2 MB in the beginning and 254.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:44,867 INFO ]: Boogie Preprocessor took 73.54 ms. Allocated memory is still 305.7 MB. Free memory was 254.2 MB in the beginning and 253.2 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. [2018-06-22 12:15:44,867 INFO ]: RCFGBuilder took 492.44 ms. Allocated memory is still 305.7 MB. Free memory was 252.2 MB in the beginning and 238.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:44,868 INFO ]: TraceAbstraction took 953.88 ms. Allocated memory is still 305.7 MB. Free memory was 238.2 MB in the beginning and 204.1 MB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 3.6 GB. [2018-06-22 12:15:44,876 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 305.7 MB. Free memory is still 271.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 69.12 ms. Allocated memory is still 305.7 MB. Free memory was 257.2 MB in the beginning and 254.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 73.54 ms. Allocated memory is still 305.7 MB. Free memory was 254.2 MB in the beginning and 253.2 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. * RCFGBuilder took 492.44 ms. Allocated memory is still 305.7 MB. Free memory was 252.2 MB in the beginning and 238.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 953.88 ms. Allocated memory is still 305.7 MB. Free memory was 238.2 MB in the beginning and 204.1 MB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 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 (((((if hbv_False_1_Int >= 0 then hbv_False_1_Int else -hbv_False_1_Int) > (if 0 >= 0 then 0 else -0) && hbv_False_2_Array_Int_Int[hbv_False_3_Int] == 0) && !(hbv_False_5_Array_Int_Int[hbv_False_7_Int] != 0)) && !(hbv_False_7_Int == hbv_False_9_Int)) && !(hbv_False_2_Array_Int_Int[hbv_False_4_Int] == hbv_False_5_Array_Int_Int[hbv_False_4_Int] && hbv_False_2_Array_Int_Int[hbv_False_3_Int] - hbv_False_2_Array_Int_Int[hbv_False_6_Int] == 0)) && !(hbv_False_5_Array_Int_Int[hbv_False_7_Int] - hbv_False_5_Array_Int_Int[hbv_False_8_Int] != 0); [L0] CALL call INV_MAIN_42(hbv_False_10_Int, hbv_False_11_Int, hbv_False_1_Int, hbv_False_3_Int, hbv_False_6_Int, skolem3(hbv_False_10_Int, hbv_False_8_Int, hbv_False_11_Int, hbv_False_1_Int, hbv_False_9_Int, hbv_False_7_Int, hbv_False_6_Int, hbv_False_3_Int, hbv_False_2_Array_Int_Int, hbv_False_5_Array_Int_Int), hbv_False_2_Array_Int_Int[skolem3(hbv_False_10_Int, hbv_False_8_Int, hbv_False_11_Int, hbv_False_1_Int, hbv_False_9_Int, hbv_False_7_Int, hbv_False_6_Int, hbv_False_3_Int, hbv_False_2_Array_Int_Int, hbv_False_5_Array_Int_Int)], hbv_False_7_Int, hbv_False_9_Int, hbv_False_8_Int, skolem4(hbv_False_10_Int, hbv_False_8_Int, hbv_False_11_Int, hbv_False_1_Int, hbv_False_9_Int, hbv_False_7_Int, hbv_False_6_Int, hbv_False_3_Int, hbv_False_2_Array_Int_Int, hbv_False_5_Array_Int_Int), hbv_False_5_Array_Int_Int[skolem4(hbv_False_10_Int, hbv_False_8_Int, hbv_False_11_Int, hbv_False_1_Int, hbv_False_9_Int, hbv_False_7_Int, hbv_False_6_Int, hbv_False_3_Int, hbv_False_2_Array_Int_Int, hbv_False_5_Array_Int_Int)]); [L0] assume (((((((hhv_INV_MAIN_42_2_Int == hbv_INV_MAIN_42_2_Int && hhv_INV_MAIN_42_8_Int == hhv_INV_MAIN_42_7_Int + hbv_INV_MAIN_42_2_Int) && hhv_INV_MAIN_42_6_Int == hbv_INV_MAIN_42_1_Array_Int_Int[hhv_INV_MAIN_42_5_Int]) && hbv_INV_MAIN_42_1_Array_Int_Int[skolem0(hhv_INV_MAIN_42_9_Int, hhv_INV_MAIN_42_3_Int, hhv_INV_MAIN_42_2_Int, hbv_INV_MAIN_42_2_Int, hhv_INV_MAIN_42_7_Int, hbv_INV_MAIN_42_1_Array_Int_Int, hhv_INV_MAIN_42_4_Int, hbv_INV_MAIN_42_3_Array_Int_Int)] == hbv_INV_MAIN_42_3_Array_Int_Int[skolem0(hhv_INV_MAIN_42_9_Int, hhv_INV_MAIN_42_3_Int, hhv_INV_MAIN_42_2_Int, hbv_INV_MAIN_42_2_Int, hhv_INV_MAIN_42_7_Int, hbv_INV_MAIN_42_1_Array_Int_Int, hhv_INV_MAIN_42_4_Int, hbv_INV_MAIN_42_3_Array_Int_Int)]) && hhv_INV_MAIN_42_11_Int == hbv_INV_MAIN_42_3_Array_Int_Int[hhv_INV_MAIN_42_10_Int]) && hhv_INV_MAIN_42_3_Int == hhv_INV_MAIN_42_7_Int) && hhv_INV_MAIN_42_1_Int == 0) && hhv_INV_MAIN_42_4_Int == hhv_INV_MAIN_42_9_Int) && hhv_INV_MAIN_42_0_Int == 0; [L0] RET call INV_MAIN_42(hbv_False_10_Int, hbv_False_11_Int, hbv_False_1_Int, hbv_False_3_Int, hbv_False_6_Int, skolem3(hbv_False_10_Int, hbv_False_8_Int, hbv_False_11_Int, hbv_False_1_Int, hbv_False_9_Int, hbv_False_7_Int, hbv_False_6_Int, hbv_False_3_Int, hbv_False_2_Array_Int_Int, hbv_False_5_Array_Int_Int), hbv_False_2_Array_Int_Int[skolem3(hbv_False_10_Int, hbv_False_8_Int, hbv_False_11_Int, hbv_False_1_Int, hbv_False_9_Int, hbv_False_7_Int, hbv_False_6_Int, hbv_False_3_Int, hbv_False_2_Array_Int_Int, hbv_False_5_Array_Int_Int)], hbv_False_7_Int, hbv_False_9_Int, hbv_False_8_Int, skolem4(hbv_False_10_Int, hbv_False_8_Int, hbv_False_11_Int, hbv_False_1_Int, hbv_False_9_Int, hbv_False_7_Int, hbv_False_6_Int, hbv_False_3_Int, hbv_False_2_Array_Int_Int, hbv_False_5_Array_Int_Int), hbv_False_5_Array_Int_Int[skolem4(hbv_False_10_Int, hbv_False_8_Int, hbv_False_11_Int, hbv_False_1_Int, hbv_False_9_Int, hbv_False_7_Int, hbv_False_6_Int, hbv_False_3_Int, hbv_False_2_Array_Int_Int, hbv_False_5_Array_Int_Int)]); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 34 SDtfs, 1 SDslu, 40 SDs, 0 SdLazy, 52 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 336 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__strncmp_2.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_12-15-44-895.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__strncmp_2.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_12-15-44-895.csv Received shutdown request...