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_e2_3302.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:49:50,516 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:49:50,517 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:49:50,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:49:50,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:49:50,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:49:50,530 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:49:50,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:49:50,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:49:50,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:49:50,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:49:50,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:49:50,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:49:50,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:49:50,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:49:50,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:49:50,540 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:49:50,542 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:49:50,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:49:50,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:49:50,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:49:50,550 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:49:50,550 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:49:50,550 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:49:50,551 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:49:50,552 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:49:50,552 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:49:50,553 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:49:50,554 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:49:50,554 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:49:50,555 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:49:50,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:49:50,556 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:49:50,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:49:50,557 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:49:50,558 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 17:49:50,571 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:49:50,571 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:49:50,571 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:49:50,572 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:49:50,573 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:49:50,573 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:49:50,573 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:49:50,573 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:49:50,574 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:49:50,574 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:49:50,574 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:49:50,574 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:49:50,574 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:49:50,575 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:49:50,575 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:49:50,575 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:49:50,575 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:49:50,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:49:50,576 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:49:50,577 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:49:50,577 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:49:50,630 INFO ]: Repository-Root is: /tmp [2018-06-22 17:49:50,642 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:49:50,645 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:49:50,646 INFO ]: Initializing SmtParser... [2018-06-22 17:49:50,647 INFO ]: SmtParser initialized [2018-06-22 17:49:50,647 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6_e2_3302.smt2 [2018-06-22 17:49:50,648 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 17:49:50,745 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6_e2_3302.smt2 unknown [2018-06-22 17:49:51,373 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_6_e2_3302.smt2 [2018-06-22 17:49:51,377 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:49:51,383 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:49:51,383 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:49:51,383 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:49:51,383 INFO ]: ChcToBoogie initialized [2018-06-22 17:49:51,386 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:49:51" (1/1) ... [2018-06-22 17:49:51,441 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:51 Unit [2018-06-22 17:49:51,441 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:49:51,442 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:49:51,442 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:49:51,442 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:49:51,463 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:51" (1/1) ... [2018-06-22 17:49:51,463 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:51" (1/1) ... [2018-06-22 17:49:51,475 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:51" (1/1) ... [2018-06-22 17:49:51,475 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:51" (1/1) ... [2018-06-22 17:49:51,486 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:51" (1/1) ... [2018-06-22 17:49:51,487 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:51" (1/1) ... [2018-06-22 17:49:51,490 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:51" (1/1) ... [2018-06-22 17:49:51,494 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:49:51,495 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:49:51,495 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:49:51,495 INFO ]: RCFGBuilder initialized [2018-06-22 17:49:51,495 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:51" (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 17:49:51,508 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:49:51,508 INFO ]: Found specification of procedure False [2018-06-22 17:49:51,508 INFO ]: Found implementation of procedure False [2018-06-22 17:49:51,508 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:49:51,508 INFO ]: Found specification of procedure state [2018-06-22 17:49:51,508 INFO ]: Found implementation of procedure state [2018-06-22 17:49:51,509 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:49:51,509 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:49:51,509 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 17:49:51,822 INFO ]: Using library mode [2018-06-22 17:49:51,822 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:49:51 BoogieIcfgContainer [2018-06-22 17:49:51,822 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:49:51,824 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:49:51,824 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:49:51,828 INFO ]: TraceAbstraction initialized [2018-06-22 17:49:51,828 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:49:51" (1/3) ... [2018-06-22 17:49:51,829 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ba9609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:49:51, skipping insertion in model container [2018-06-22 17:49:51,829 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:51" (2/3) ... [2018-06-22 17:49:51,829 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ba9609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:49:51, skipping insertion in model container [2018-06-22 17:49:51,829 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:49:51" (3/3) ... [2018-06-22 17:49:51,831 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:49:51,840 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:49:51,853 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:49:51,892 INFO ]: Using default assertion order modulation [2018-06-22 17:49:51,892 INFO ]: Interprodecural is true [2018-06-22 17:49:51,892 INFO ]: Hoare is false [2018-06-22 17:49:51,892 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:49:51,892 INFO ]: Backedges is TWOTRACK [2018-06-22 17:49:51,892 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:49:51,893 INFO ]: Difference is false [2018-06-22 17:49:51,893 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:49:51,893 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:49:51,905 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:49:51,915 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:49:51,915 INFO ]: Found error trace [2018-06-22 17:49:51,916 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:49:51,916 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:49:51,921 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:49:51,923 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:49:51,924 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:49:51,968 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:49:51,968 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:49:51,968 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:49:52,078 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:49:52,380 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:49:52,383 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:49:52,383 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:49:52,385 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:49:52,401 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:49:52,402 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:49:52,404 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:49:52,591 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:49:52,592 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:49:52,592 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:49:52,593 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:49:52,594 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:49:52,608 INFO ]: With dead ends: 13 [2018-06-22 17:49:52,608 INFO ]: Without dead ends: 13 [2018-06-22 17:49:52,610 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:49:52,627 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:49:52,662 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:49:52,664 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:49:52,664 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:49:52,670 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:49:52,670 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:49:52,670 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:49:52,670 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:49:52,671 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:49:52,672 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:49:52,672 INFO ]: Found error trace [2018-06-22 17:49:52,672 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:49:52,672 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:49:52,672 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:49:52,672 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:49:52,672 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:49:52,683 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:49:52,683 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:49:52,683 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:49:52,800 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:49:53,985 WARN ]: Spent 952.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 37 [2018-06-22 17:49:54,080 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:49:54,080 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:49:54,080 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 17:49:54,091 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:49:54,236 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:49:54,248 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:51:00,861 INFO ]: Timeout while computing interpolants [2018-06-22 17:51:01,062 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:51:01,062 WARN ]: Verification canceled [2018-06-22 17:51:01,067 WARN ]: Timeout [2018-06-22 17:51:01,067 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:51:01 BoogieIcfgContainer [2018-06-22 17:51:01,067 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:51:01,068 INFO ]: Toolchain (without parser) took 69690.57 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 244.8 MB in the beginning and 581.3 MB in the end (delta: -336.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:51:01,069 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:51:01,070 INFO ]: ChcToBoogie took 58.02 ms. Allocated memory is still 309.3 MB. Free memory was 244.8 MB in the beginning and 241.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:51:01,070 INFO ]: Boogie Preprocessor took 52.54 ms. Allocated memory is still 309.3 MB. Free memory was 241.8 MB in the beginning and 239.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:51:01,071 INFO ]: RCFGBuilder took 327.71 ms. Allocated memory is still 309.3 MB. Free memory was 239.8 MB in the beginning and 211.8 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:51:01,072 INFO ]: TraceAbstraction took 69243.57 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 211.8 MB in the beginning and 581.3 MB in the end (delta: -369.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:51:01,078 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 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 58.02 ms. Allocated memory is still 309.3 MB. Free memory was 244.8 MB in the beginning and 241.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 52.54 ms. Allocated memory is still 309.3 MB. Free memory was 241.8 MB in the beginning and 239.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 327.71 ms. Allocated memory is still 309.3 MB. Free memory was 239.8 MB in the beginning and 211.8 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69243.57 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 211.8 MB in the beginning and 581.3 MB in the end (delta: -369.5 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 10 quantified variables from 13 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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, 0.2s 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_e2_3302.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-51-01-089.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_6_e2_3302.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-51-01-089.csv Completed graceful shutdown