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/vmt-chc-benchmarks/lustre/FIREFLY_8.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:54:53,779 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:54:53,782 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:54:53,798 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:54:53,798 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:54:53,799 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:54:53,800 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:54:53,805 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:54:53,808 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:54:53,809 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:54:53,816 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:54:53,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:54:53,823 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:54:53,824 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:54:53,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:54:53,825 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:54:53,827 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:54:53,828 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:54:53,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:54:53,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:54:53,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:54:53,835 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:54:53,836 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:54:53,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:54:53,840 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:54:53,841 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:54:53,841 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:54:53,842 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:54:53,843 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:54:53,843 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:54:53,844 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:54:53,844 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:54:53,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:54:53,848 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:54:53,848 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:54:53,849 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 17:54:53,866 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:54:53,867 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:54:53,867 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:54:53,867 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:54:53,868 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:54:53,868 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:54:53,869 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:54:53,869 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:54:53,869 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:54:53,869 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:54:53,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:54:53,869 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:54:53,870 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:54:53,870 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:54:53,870 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:54:53,870 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:54:53,870 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:54:53,870 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:54:53,871 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:54:53,872 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:54:53,872 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:54:53,923 INFO ]: Repository-Root is: /tmp [2018-06-22 17:54:53,937 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:54:53,940 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:54:53,942 INFO ]: Initializing SmtParser... [2018-06-22 17:54:53,942 INFO ]: SmtParser initialized [2018-06-22 17:54:53,943 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_8.smt2 [2018-06-22 17:54:53,944 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 17:54:54,035 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_8.smt2 unknown [2018-06-22 17:54:54,577 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_8.smt2 [2018-06-22 17:54:54,582 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:54:54,597 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:54:54,598 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:54:54,598 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:54:54,598 INFO ]: ChcToBoogie initialized [2018-06-22 17:54:54,601 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:54:54" (1/1) ... [2018-06-22 17:54:54,653 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:54:54 Unit [2018-06-22 17:54:54,653 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:54:54,654 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:54:54,654 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:54:54,654 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:54:54,675 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:54:54" (1/1) ... [2018-06-22 17:54:54,675 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:54:54" (1/1) ... [2018-06-22 17:54:54,686 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:54:54" (1/1) ... [2018-06-22 17:54:54,687 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:54:54" (1/1) ... [2018-06-22 17:54:54,695 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:54:54" (1/1) ... [2018-06-22 17:54:54,696 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:54:54" (1/1) ... [2018-06-22 17:54:54,699 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:54:54" (1/1) ... [2018-06-22 17:54:54,703 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:54:54,703 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:54:54,704 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:54:54,704 INFO ]: RCFGBuilder initialized [2018-06-22 17:54:54,704 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:54:54" (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 17:54:54,716 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:54:54,716 INFO ]: Found specification of procedure False [2018-06-22 17:54:54,716 INFO ]: Found implementation of procedure False [2018-06-22 17:54:54,716 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:54:54,716 INFO ]: Found specification of procedure state [2018-06-22 17:54:54,716 INFO ]: Found implementation of procedure state [2018-06-22 17:54:54,716 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:54:54,716 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:54:54,716 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 17:54:55,091 INFO ]: Using library mode [2018-06-22 17:54:55,091 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:54:55 BoogieIcfgContainer [2018-06-22 17:54:55,091 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:54:55,094 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:54:55,094 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:54:55,100 INFO ]: TraceAbstraction initialized [2018-06-22 17:54:55,100 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:54:54" (1/3) ... [2018-06-22 17:54:55,101 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ad0605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:54:55, skipping insertion in model container [2018-06-22 17:54:55,101 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:54:54" (2/3) ... [2018-06-22 17:54:55,101 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ad0605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:54:55, skipping insertion in model container [2018-06-22 17:54:55,101 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:54:55" (3/3) ... [2018-06-22 17:54:55,103 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:54:55,112 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:54:55,123 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:54:55,159 INFO ]: Using default assertion order modulation [2018-06-22 17:54:55,159 INFO ]: Interprodecural is true [2018-06-22 17:54:55,159 INFO ]: Hoare is false [2018-06-22 17:54:55,159 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:54:55,159 INFO ]: Backedges is TWOTRACK [2018-06-22 17:54:55,159 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:54:55,159 INFO ]: Difference is false [2018-06-22 17:54:55,159 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:54:55,159 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:54:55,172 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:54:55,188 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:54:55,188 INFO ]: Found error trace [2018-06-22 17:54:55,189 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:54:55,189 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:54:55,194 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:54:55,196 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:54:55,196 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:54:55,236 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:54:55,236 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:54:55,236 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:54:55,356 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:54:55,596 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:54:55,608 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:54:55,608 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:54:55,610 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:54:55,626 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:54:55,626 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:54:55,629 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:54:55,782 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:54:55,782 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:54:55,783 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:54:55,784 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:54:55,784 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:54:55,794 INFO ]: With dead ends: 13 [2018-06-22 17:54:55,795 INFO ]: Without dead ends: 13 [2018-06-22 17:54:55,796 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:54:55,810 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:54:55,829 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:54:55,830 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:54:55,831 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:54:55,832 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:54:55,832 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:54:55,832 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:54:55,832 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:54:55,832 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:54:55,834 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:54:55,834 INFO ]: Found error trace [2018-06-22 17:54:55,834 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:54:55,834 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:54:55,834 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:54:55,834 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:54:55,834 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:54:55,835 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:54:55,835 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:54:55,835 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:54:55,964 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:54:57,260 WARN ]: Spent 935.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 41 [2018-06-22 17:54:57,387 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:54:57,387 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:54:57,387 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 17:54:57,395 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:54:57,534 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:54:57,546 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:56:06,067 INFO ]: Timeout while computing interpolants [2018-06-22 17:56:06,268 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:56:06,268 WARN ]: Verification canceled [2018-06-22 17:56:06,274 WARN ]: Timeout [2018-06-22 17:56:06,274 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:56:06 BoogieIcfgContainer [2018-06-22 17:56:06,274 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:56:06,275 INFO ]: Toolchain (without parser) took 71692.62 ms. Allocated memory was 303.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 239.0 MB in the beginning and 499.5 MB in the end (delta: -260.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:56:06,278 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 303.6 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:56:06,278 INFO ]: ChcToBoogie took 55.72 ms. Allocated memory is still 303.6 MB. Free memory was 239.0 MB in the beginning and 236.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:56:06,279 INFO ]: Boogie Preprocessor took 49.13 ms. Allocated memory is still 303.6 MB. Free memory was 236.0 MB in the beginning and 235.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 17:56:06,279 INFO ]: RCFGBuilder took 387.83 ms. Allocated memory is still 303.6 MB. Free memory was 234.0 MB in the beginning and 206.0 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:56:06,280 INFO ]: TraceAbstraction took 71180.39 ms. Allocated memory was 303.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 206.0 MB in the beginning and 499.5 MB in the end (delta: -293.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:56:06,299 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 303.6 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 55.72 ms. Allocated memory is still 303.6 MB. Free memory was 239.0 MB in the beginning and 236.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 49.13 ms. Allocated memory is still 303.6 MB. Free memory was 236.0 MB in the beginning and 235.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 387.83 ms. Allocated memory is still 303.6 MB. Free memory was 234.0 MB in the beginning and 206.0 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 71180.39 ms. Allocated memory was 303.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 206.0 MB in the beginning and 499.5 MB in the end (delta: -293.5 MB). Peak memory consumption was 1.3 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 23 quantified variables from 28 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 71.1s 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, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 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/FIREFLY_8.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-56-06-315.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_8.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-56-06-315.csv Completed graceful shutdown