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/sally-chc-benchmarks/lfht/lfht_1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 12:21:27,869 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 12:21:27,871 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 12:21:27,883 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 12:21:27,883 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 12:21:27,884 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 12:21:27,887 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 12:21:27,889 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 12:21:27,891 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 12:21:27,892 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 12:21:27,893 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 12:21:27,893 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 12:21:27,895 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 12:21:27,896 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 12:21:27,897 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 12:21:27,898 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 12:21:27,902 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 12:21:27,903 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 12:21:27,912 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 12:21:27,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 12:21:27,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 12:21:27,917 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 12:21:27,917 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 12:21:27,917 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 12:21:27,918 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 12:21:27,919 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 12:21:27,920 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 12:21:27,921 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 12:21:27,922 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 12:21:27,922 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 12:21:27,922 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 12:21:27,923 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 12:21:27,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 12:21:27,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 12:21:27,924 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 12:21:27,925 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 12:21:27,942 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 12:21:27,942 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 12:21:27,942 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 12:21:27,942 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 12:21:27,943 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 12:21:27,943 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 12:21:27,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 12:21:27,944 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 12:21:27,944 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 12:21:27,944 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 12:21:27,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 12:21:27,945 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 12:21:27,945 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 12:21:27,945 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 12:21:27,945 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 12:21:27,945 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 12:21:27,946 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 12:21:27,946 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 12:21:27,946 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 12:21:27,947 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 12:21:27,947 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 12:21:27,999 INFO ]: Repository-Root is: /tmp [2018-06-22 12:21:28,019 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 12:21:28,023 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 12:21:28,025 INFO ]: Initializing SmtParser... [2018-06-22 12:21:28,025 INFO ]: SmtParser initialized [2018-06-22 12:21:28,026 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_1.smt2 [2018-06-22 12:21:28,027 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 12:21:28,116 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_1.smt2 unknown [2018-06-22 12:21:28,516 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_1.smt2 [2018-06-22 12:21:28,523 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 12:21:28,530 INFO ]: Walking toolchain with 4 elements. [2018-06-22 12:21:28,531 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 12:21:28,531 INFO ]: Initializing ChcToBoogie... [2018-06-22 12:21:28,531 INFO ]: ChcToBoogie initialized [2018-06-22 12:21:28,534 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:21:28" (1/1) ... [2018-06-22 12:21:28,589 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:21:28 Unit [2018-06-22 12:21:28,590 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 12:21:28,590 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 12:21:28,590 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 12:21:28,590 INFO ]: Boogie Preprocessor initialized [2018-06-22 12:21:28,612 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:21:28" (1/1) ... [2018-06-22 12:21:28,612 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:21:28" (1/1) ... [2018-06-22 12:21:28,631 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:21:28" (1/1) ... [2018-06-22 12:21:28,631 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:21:28" (1/1) ... [2018-06-22 12:21:28,647 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:21:28" (1/1) ... [2018-06-22 12:21:28,648 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:21:28" (1/1) ... [2018-06-22 12:21:28,651 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:21:28" (1/1) ... [2018-06-22 12:21:28,654 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 12:21:28,654 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 12:21:28,654 INFO ]: Initializing RCFGBuilder... [2018-06-22 12:21:28,654 INFO ]: RCFGBuilder initialized [2018-06-22 12:21:28,655 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:21:28" (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 12:21:28,669 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 12:21:28,669 INFO ]: Found specification of procedure False [2018-06-22 12:21:28,669 INFO ]: Found implementation of procedure False [2018-06-22 12:21:28,669 INFO ]: Specification and implementation of procedure invariant given in one single declaration [2018-06-22 12:21:28,669 INFO ]: Found specification of procedure invariant [2018-06-22 12:21:28,669 INFO ]: Found implementation of procedure invariant [2018-06-22 12:21:28,669 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 12:21:28,669 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 12:21:28,669 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 12:21:28,993 INFO ]: Using library mode [2018-06-22 12:21:28,994 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:21:28 BoogieIcfgContainer [2018-06-22 12:21:28,994 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 12:21:28,996 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 12:21:28,996 INFO ]: Initializing TraceAbstraction... [2018-06-22 12:21:28,999 INFO ]: TraceAbstraction initialized [2018-06-22 12:21:28,999 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:21:28" (1/3) ... [2018-06-22 12:21:29,000 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa8ade1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 12:21:28, skipping insertion in model container [2018-06-22 12:21:29,000 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:21:28" (2/3) ... [2018-06-22 12:21:29,000 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa8ade1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:21:29, skipping insertion in model container [2018-06-22 12:21:29,000 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:21:28" (3/3) ... [2018-06-22 12:21:29,002 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 12:21:29,011 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 12:21:29,029 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 12:21:29,085 INFO ]: Using default assertion order modulation [2018-06-22 12:21:29,085 INFO ]: Interprodecural is true [2018-06-22 12:21:29,085 INFO ]: Hoare is false [2018-06-22 12:21:29,085 INFO ]: Compute interpolants for FPandBP [2018-06-22 12:21:29,085 INFO ]: Backedges is TWOTRACK [2018-06-22 12:21:29,085 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 12:21:29,085 INFO ]: Difference is false [2018-06-22 12:21:29,085 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 12:21:29,085 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 12:21:29,100 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 12:21:29,111 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 12:21:29,111 INFO ]: Found error trace [2018-06-22 12:21:29,112 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 12:21:29,112 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:21:29,118 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 12:21:29,120 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:21:29,120 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:21:29,153 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:21:29,154 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:21:29,154 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:21:29,211 INFO ]: Conjunction of SSA is unsat [2018-06-22 12:21:29,321 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 12:21:29,323 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 12:21:29,323 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 12:21:29,324 INFO ]: Interpolant automaton has 4 states [2018-06-22 12:21:29,335 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 12:21:29,335 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 12:21:29,337 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 12:21:29,447 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 12:21:29,447 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 12:21:29,447 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 12:21:29,449 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 12:21:29,449 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 12:21:29,459 INFO ]: With dead ends: 13 [2018-06-22 12:21:29,460 INFO ]: Without dead ends: 13 [2018-06-22 12:21:29,462 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 12:21:29,480 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 12:21:29,510 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 12:21:29,511 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 12:21:29,511 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 12:21:29,512 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 12:21:29,512 INFO ]: Finished accepts. word is rejected. [2018-06-22 12:21:29,512 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 12:21:29,512 INFO ]: Interpolant automaton has 4 states. [2018-06-22 12:21:29,512 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 12:21:29,513 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 12:21:29,513 INFO ]: Found error trace [2018-06-22 12:21:29,514 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 12:21:29,514 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:21:29,514 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 12:21:29,514 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:21:29,514 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:21:29,515 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:21:29,515 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:21:29,515 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:21:29,674 INFO ]: Conjunction of SSA is unsat [2018-06-22 12:21:30,177 WARN ]: Spent 150.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 6 [2018-06-22 12:21:30,180 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 12:21:30,180 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 12:21:30,180 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 12:21:30,197 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:21:30,265 INFO ]: Conjunction of SSA is unsat [2018-06-22 12:21:30,278 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 12:22:43,749 INFO ]: Timeout while computing interpolants [2018-06-22 12:22:43,950 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 12:22:43,950 WARN ]: Verification canceled [2018-06-22 12:22:43,955 WARN ]: Timeout [2018-06-22 12:22:43,956 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:22:43 BoogieIcfgContainer [2018-06-22 12:22:43,956 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 12:22:43,956 INFO ]: Toolchain (without parser) took 75432.56 ms. Allocated memory was 308.8 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 251.2 MB in the beginning and 662.4 MB in the end (delta: -411.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 12:22:43,958 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 12:22:43,958 INFO ]: ChcToBoogie took 58.59 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 248.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:22:43,959 INFO ]: Boogie Preprocessor took 63.55 ms. Allocated memory is still 308.8 MB. Free memory was 248.2 MB in the beginning and 246.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:22:43,959 INFO ]: RCFGBuilder took 339.91 ms. Allocated memory is still 308.8 MB. Free memory was 246.2 MB in the beginning and 225.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:22:43,960 INFO ]: TraceAbstraction took 74960.05 ms. Allocated memory was 308.8 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 225.3 MB in the beginning and 662.4 MB in the end (delta: -437.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 12:22:43,968 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 58.59 ms. Allocated memory is still 308.8 MB. Free memory was 251.2 MB in the beginning and 248.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 63.55 ms. Allocated memory is still 308.8 MB. Free memory was 248.2 MB in the beginning and 246.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 339.91 ms. Allocated memory is still 308.8 MB. Free memory was 246.2 MB in the beginning and 225.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 74960.05 ms. Allocated memory was 308.8 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 225.3 MB in the beginning and 662.4 MB in the end (delta: -437.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 6 quantified variables from 7 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 74.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=13occurred 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, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 112 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 could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lfht_1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_12-22-43-992.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lfht_1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_12-22-43-992.csv Completed graceful shutdown