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/libc__memmem_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 02:28:38,768 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 02:28:38,773 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 02:28:38,785 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 02:28:38,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 02:28:38,786 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 02:28:38,790 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 02:28:38,792 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 02:28:38,794 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 02:28:38,795 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 02:28:38,797 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 02:28:38,797 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 02:28:38,798 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 02:28:38,801 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 02:28:38,802 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 02:28:38,803 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 02:28:38,804 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 02:28:38,815 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 02:28:38,817 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 02:28:38,818 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 02:28:38,819 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 02:28:38,825 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-22 02:28:38,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 02:28:38,832 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 02:28:38,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 02:28:38,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 02:28:38,837 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 02:28:38,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 02:28:38,838 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 02:28:38,857 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 02:28:38,858 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 02:28:38,858 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 02:28:38,858 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 02:28:38,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 02:28:38,859 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 02:28:38,860 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 02:28:38,860 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 02:28:38,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 02:28:38,860 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 02:28:38,861 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 02:28:38,861 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 02:28:38,861 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 02:28:38,862 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 02:28:38,862 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 02:28:38,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 02:28:38,862 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 02:28:38,864 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 02:28:38,864 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 02:28:38,908 INFO ]: Repository-Root is: /tmp [2018-06-22 02:28:38,921 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 02:28:38,925 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 02:28:38,927 INFO ]: Initializing SmtParser... [2018-06-22 02:28:38,927 INFO ]: SmtParser initialized [2018-06-22 02:28:38,928 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/quant/libc__memmem_1.smt2 [2018-06-22 02:28:38,929 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 02:28:39,018 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__memmem_1.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@346406d4 [2018-06-22 02:28:39,308 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/quant/libc__memmem_1.smt2 [2018-06-22 02:28:39,321 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 02:28:39,328 INFO ]: Walking toolchain with 4 elements. [2018-06-22 02:28:39,329 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 02:28:39,329 INFO ]: Initializing ChcToBoogie... [2018-06-22 02:28:39,329 INFO ]: ChcToBoogie initialized [2018-06-22 02:28:39,342 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:28:39" (1/1) ... [2018-06-22 02:28:39,422 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:28:39 Unit [2018-06-22 02:28:39,422 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 02:28:39,423 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 02:28:39,423 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 02:28:39,423 INFO ]: Boogie Preprocessor initialized [2018-06-22 02:28:39,446 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:28:39" (1/1) ... [2018-06-22 02:28:39,446 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:28:39" (1/1) ... [2018-06-22 02:28:39,472 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:28:39" (1/1) ... [2018-06-22 02:28:39,472 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:28:39" (1/1) ... [2018-06-22 02:28:39,481 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:28:39" (1/1) ... [2018-06-22 02:28:39,483 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:28:39" (1/1) ... [2018-06-22 02:28:39,493 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:28:39" (1/1) ... [2018-06-22 02:28:39,502 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 02:28:39,502 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 02:28:39,502 INFO ]: Initializing RCFGBuilder... [2018-06-22 02:28:39,502 INFO ]: RCFGBuilder initialized [2018-06-22 02:28:39,503 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:28:39" (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 02:28:39,526 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 02:28:39,527 INFO ]: Found specification of procedure gotoProc [2018-06-22 02:28:39,527 INFO ]: Found implementation of procedure gotoProc [2018-06-22 02:28:39,527 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 02:28:39,527 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 02:28:39,527 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 02:28:39,940 INFO ]: Using library mode [2018-06-22 02:28:39,940 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:28:39 BoogieIcfgContainer [2018-06-22 02:28:39,940 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 02:28:39,943 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 02:28:39,943 INFO ]: Initializing TraceAbstraction... [2018-06-22 02:28:39,948 INFO ]: TraceAbstraction initialized [2018-06-22 02:28:39,948 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:28:39" (1/3) ... [2018-06-22 02:28:39,950 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb29dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 02:28:39, skipping insertion in model container [2018-06-22 02:28:39,950 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:28:39" (2/3) ... [2018-06-22 02:28:39,950 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb29dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:28:39, skipping insertion in model container [2018-06-22 02:28:39,950 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:28:39" (3/3) ... [2018-06-22 02:28:39,952 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 02:28:39,963 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 02:28:39,978 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 02:28:40,034 INFO ]: Using default assertion order modulation [2018-06-22 02:28:40,034 INFO ]: Interprodecural is true [2018-06-22 02:28:40,034 INFO ]: Hoare is false [2018-06-22 02:28:40,034 INFO ]: Compute interpolants for FPandBP [2018-06-22 02:28:40,034 INFO ]: Backedges is TWOTRACK [2018-06-22 02:28:40,034 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 02:28:40,035 INFO ]: Difference is false [2018-06-22 02:28:40,035 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 02:28:40,035 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 02:28:40,051 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 02:28:40,068 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-22 02:28:40,068 INFO ]: Found error trace [2018-06-22 02:28:40,069 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-22 02:28:40,069 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 02:28:40,076 INFO ]: Analyzing trace with hash 2119161125, now seen corresponding path program 1 times [2018-06-22 02:28:40,078 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 02:28:40,079 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 02:28:40,122 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:28:40,122 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:28:40,122 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:28:40,174 INFO ]: Conjunction of SSA is unsat [2018-06-22 02:28:40,214 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 02:28:40,217 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 02:28:40,217 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 02:28:40,219 INFO ]: Interpolant automaton has 2 states [2018-06-22 02:28:40,235 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 02:28:40,235 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 02:28:40,237 INFO ]: Start difference. First operand 10 states. Second operand 2 states. [2018-06-22 02:28:40,260 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 02:28:40,260 INFO ]: Finished difference Result 8 states and 14 transitions. [2018-06-22 02:28:40,261 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 02:28:40,262 INFO ]: Start accepts. Automaton has 2 states. Word has length 6 [2018-06-22 02:28:40,262 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 02:28:40,277 INFO ]: With dead ends: 8 [2018-06-22 02:28:40,277 INFO ]: Without dead ends: 8 [2018-06-22 02:28:40,279 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 02:28:40,300 INFO ]: Start minimizeSevpa. Operand 8 states. [2018-06-22 02:28:40,318 INFO ]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-06-22 02:28:40,320 INFO ]: Start removeUnreachable. Operand 8 states. [2018-06-22 02:28:40,320 INFO ]: Finished removeUnreachable. Reduced from 8 states to 8 states and 14 transitions. [2018-06-22 02:28:40,322 INFO ]: Start accepts. Automaton has 8 states and 14 transitions. Word has length 6 [2018-06-22 02:28:40,323 INFO ]: Finished accepts. word is rejected. [2018-06-22 02:28:40,323 INFO ]: Abstraction has 8 states and 14 transitions. [2018-06-22 02:28:40,323 INFO ]: Interpolant automaton has 2 states. [2018-06-22 02:28:40,323 INFO ]: Start isEmpty. Operand 8 states and 14 transitions. [2018-06-22 02:28:40,323 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-22 02:28:40,323 INFO ]: Found error trace [2018-06-22 02:28:40,323 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-22 02:28:40,323 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 02:28:40,324 INFO ]: Analyzing trace with hash 2119310080, now seen corresponding path program 1 times [2018-06-22 02:28:40,324 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 02:28:40,325 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 02:28:40,326 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:28:40,326 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 02:28:40,326 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 02:28:40,362 INFO ]: Conjunction of SSA is sat [2018-06-22 02:28:40,365 INFO ]: Counterexample might be feasible [2018-06-22 02:28:40,378 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:28:40 BoogieIcfgContainer [2018-06-22 02:28:40,378 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 02:28:40,379 INFO ]: Toolchain (without parser) took 1057.31 ms. Allocated memory is still 303.0 MB. Free memory was 253.5 MB in the beginning and 219.5 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:28:40,381 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 303.0 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 02:28:40,381 INFO ]: ChcToBoogie took 93.75 ms. Allocated memory is still 303.0 MB. Free memory was 253.5 MB in the beginning and 251.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:28:40,382 INFO ]: Boogie Preprocessor took 78.72 ms. Allocated memory is still 303.0 MB. Free memory was 251.5 MB in the beginning and 249.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:28:40,382 INFO ]: RCFGBuilder took 438.30 ms. Allocated memory is still 303.0 MB. Free memory was 249.5 MB in the beginning and 233.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:28:40,383 INFO ]: TraceAbstraction took 435.35 ms. Allocated memory is still 303.0 MB. Free memory was 233.5 MB in the beginning and 219.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 3.6 GB. [2018-06-22 02:28:40,386 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 303.0 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 93.75 ms. Allocated memory is still 303.0 MB. Free memory was 253.5 MB in the beginning and 251.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 78.72 ms. Allocated memory is still 303.0 MB. Free memory was 251.5 MB in the beginning and 249.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 438.30 ms. Allocated memory is still 303.0 MB. Free memory was 249.5 MB in the beginning and 233.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 435.35 ms. Allocated memory is still 303.0 MB. Free memory was 233.5 MB in the beginning and 219.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 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 gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] gotoSwitch := gotoSwitch_in; [L0] assume ((((((((((!(0 == 0 && hbv_False_9_Array_Int_Int[hbv_False_11_Int] == hbv_False_10_Array_Int_Int[hbv_False_11_Int]) && hbv_False_2_Int >= 0) && hbv_False_2_Int == hbv_False_8_Int) && (if hbv_False_5_Int >= 0 then hbv_False_5_Int else -hbv_False_5_Int) < (if hbv_False_6_Int >= 0 then hbv_False_6_Int else -hbv_False_6_Int)) && hbv_False_9_Array_Int_Int[skolem2(hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Array_Int_Int, hbv_False_10_Array_Int_Int)] == hbv_False_10_Array_Int_Int[skolem2(hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Array_Int_Int, hbv_False_10_Array_Int_Int)]) && hbv_False_5_Int >= 0) && (if hbv_False_4_Int >= 0 then hbv_False_4_Int else -hbv_False_4_Int) > (if hbv_False_1_Int >= 0 then hbv_False_1_Int else -hbv_False_1_Int)) && hbv_False_6_Int >= 0) && hbv_False_3_Int >= 0) && hbv_False_3_Int == hbv_False_7_Int) && hbv_False_6_Int == hbv_False_4_Int) && hbv_False_5_Int == hbv_False_1_Int; [L0] RET call gotoProc(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 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=10occurred 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, 12 NumberOfCodeBlocks, 12 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/libc__memmem_1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_02-28-40-408.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/libc__memmem_1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_02-28-40-408.csv Received shutdown request...