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_6_e3_686_e6_2964.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:50:35,534 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:50:35,536 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:50:35,551 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:50:35,552 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:50:35,553 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:50:35,554 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:50:35,556 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:50:35,557 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:50:35,559 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:50:35,560 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:50:35,560 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:50:35,561 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:50:35,561 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:50:35,565 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:50:35,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:50:35,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:50:35,576 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:50:35,577 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:50:35,578 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:50:35,579 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:50:35,585 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:50:35,586 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:50:35,586 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:50:35,587 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:50:35,587 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:50:35,591 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:50:35,591 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:50:35,592 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:50:35,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:50:35,593 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:50:35,594 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:50:35,596 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:50:35,598 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:50:35,598 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:50:35,598 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 17:50:35,617 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:50:35,618 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:50:35,618 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:50:35,618 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:50:35,620 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:50:35,620 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:50:35,620 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:50:35,620 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:50:35,621 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:50:35,621 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:50:35,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:50:35,621 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:50:35,621 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:50:35,621 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:50:35,622 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:50:35,622 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:50:35,622 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:50:35,622 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:50:35,622 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:50:35,624 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:50:35,624 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:50:35,674 INFO ]: Repository-Root is: /tmp [2018-06-22 17:50:35,687 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:50:35,692 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:50:35,695 INFO ]: Initializing SmtParser... [2018-06-22 17:50:35,695 INFO ]: SmtParser initialized [2018-06-22 17:50:35,696 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6_e3_686_e6_2964.smt2 [2018-06-22 17:50:35,697 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 17:50:35,768 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6_e3_686_e6_2964.smt2 unknown [2018-06-22 17:50:36,269 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6_e3_686_e6_2964.smt2 [2018-06-22 17:50:36,274 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:50:36,288 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:50:36,294 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:50:36,294 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:50:36,294 INFO ]: ChcToBoogie initialized [2018-06-22 17:50:36,298 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:50:36" (1/1) ... [2018-06-22 17:50:36,398 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:50:36 Unit [2018-06-22 17:50:36,398 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:50:36,399 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:50:36,399 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:50:36,399 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:50:36,421 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:50:36" (1/1) ... [2018-06-22 17:50:36,422 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:50:36" (1/1) ... [2018-06-22 17:50:36,435 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:50:36" (1/1) ... [2018-06-22 17:50:36,435 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:50:36" (1/1) ... [2018-06-22 17:50:36,444 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:50:36" (1/1) ... [2018-06-22 17:50:36,445 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:50:36" (1/1) ... [2018-06-22 17:50:36,448 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:50:36" (1/1) ... [2018-06-22 17:50:36,453 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:50:36,453 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:50:36,453 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:50:36,453 INFO ]: RCFGBuilder initialized [2018-06-22 17:50:36,454 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:50:36" (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 17:50:36,467 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:50:36,467 INFO ]: Found specification of procedure False [2018-06-22 17:50:36,467 INFO ]: Found implementation of procedure False [2018-06-22 17:50:36,467 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:50:36,467 INFO ]: Found specification of procedure state [2018-06-22 17:50:36,467 INFO ]: Found implementation of procedure state [2018-06-22 17:50:36,467 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:50:36,467 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:50:36,467 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 17:50:36,943 INFO ]: Using library mode [2018-06-22 17:50:36,944 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:50:36 BoogieIcfgContainer [2018-06-22 17:50:36,944 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:50:36,945 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:50:36,945 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:50:36,949 INFO ]: TraceAbstraction initialized [2018-06-22 17:50:36,949 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:50:36" (1/3) ... [2018-06-22 17:50:36,950 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad05fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:50:36, skipping insertion in model container [2018-06-22 17:50:36,950 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:50:36" (2/3) ... [2018-06-22 17:50:36,952 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad05fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:50:36, skipping insertion in model container [2018-06-22 17:50:36,952 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:50:36" (3/3) ... [2018-06-22 17:50:36,954 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:50:36,963 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:50:36,973 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:50:37,022 INFO ]: Using default assertion order modulation [2018-06-22 17:50:37,023 INFO ]: Interprodecural is true [2018-06-22 17:50:37,023 INFO ]: Hoare is false [2018-06-22 17:50:37,023 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:50:37,023 INFO ]: Backedges is TWOTRACK [2018-06-22 17:50:37,023 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:50:37,023 INFO ]: Difference is false [2018-06-22 17:50:37,023 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:50:37,023 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:50:37,040 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:50:37,054 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:50:37,054 INFO ]: Found error trace [2018-06-22 17:50:37,055 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:50:37,055 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:50:37,061 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:50:37,063 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:50:37,064 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:50:37,111 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:50:37,111 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:50:37,111 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:50:37,231 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:50:37,472 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:50:37,474 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:50:37,474 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:50:37,475 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:50:37,490 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:50:37,490 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:50:37,492 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:50:37,651 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:50:37,651 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:50:37,652 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:50:37,653 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:50:37,654 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:50:37,664 INFO ]: With dead ends: 13 [2018-06-22 17:50:37,664 INFO ]: Without dead ends: 13 [2018-06-22 17:50:37,666 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 17:50:37,683 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:50:37,719 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:50:37,720 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:50:37,720 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:50:37,722 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:50:37,722 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:50:37,722 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:50:37,722 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:50:37,722 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:50:37,723 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:50:37,723 INFO ]: Found error trace [2018-06-22 17:50:37,723 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:50:37,723 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:50:37,723 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:50:37,724 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:50:37,724 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:50:37,725 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:50:37,725 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:50:37,725 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:50:37,835 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:50:38,567 WARN ]: Spent 447.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 26 [2018-06-22 17:50:38,767 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:50:38,768 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:50:38,768 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 17:50:38,774 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:50:38,923 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:50:38,935 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:51:46,160 INFO ]: Timeout while computing interpolants [2018-06-22 17:51:46,361 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:51:46,361 WARN ]: Verification canceled [2018-06-22 17:51:46,365 WARN ]: Timeout [2018-06-22 17:51:46,365 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:51:46 BoogieIcfgContainer [2018-06-22 17:51:46,365 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:51:46,366 INFO ]: Toolchain (without parser) took 70092.15 ms. Allocated memory was 303.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 236.0 MB in the beginning and 905.5 MB in the end (delta: -669.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:51:46,367 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 303.6 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:51:46,367 INFO ]: ChcToBoogie took 104.67 ms. Allocated memory is still 303.6 MB. Free memory was 236.0 MB in the beginning and 234.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:51:46,367 INFO ]: Boogie Preprocessor took 53.66 ms. Allocated memory is still 303.6 MB. Free memory was 234.0 MB in the beginning and 232.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:51:46,368 INFO ]: RCFGBuilder took 490.60 ms. Allocated memory is still 303.6 MB. Free memory was 232.0 MB in the beginning and 204.1 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:51:46,368 INFO ]: TraceAbstraction took 69420.14 ms. Allocated memory was 303.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 204.1 MB in the beginning and 905.5 MB in the end (delta: -701.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:51:46,377 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 303.6 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 104.67 ms. Allocated memory is still 303.6 MB. Free memory was 236.0 MB in the beginning and 234.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 53.66 ms. Allocated memory is still 303.6 MB. Free memory was 234.0 MB in the beginning and 232.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 490.60 ms. Allocated memory is still 303.6 MB. Free memory was 232.0 MB in the beginning and 204.1 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69420.14 ms. Allocated memory was 303.6 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 204.1 MB in the beginning and 905.5 MB in the end (delta: -701.4 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 17 quantified variables from 21 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.3s 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, 0.0s 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_6_e3_686_e6_2964.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-51-46-384.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_6_e3_686_e6_2964.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-51-46-384.csv Completed graceful shutdown