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_a3_e2_2086_e3_2542.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 18:00:26,779 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 18:00:26,781 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 18:00:26,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 18:00:26,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 18:00:26,798 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 18:00:26,799 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 18:00:26,801 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 18:00:26,802 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 18:00:26,803 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 18:00:26,805 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 18:00:26,805 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 18:00:26,806 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 18:00:26,807 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 18:00:26,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 18:00:26,808 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 18:00:26,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 18:00:26,813 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 18:00:26,824 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 18:00:26,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 18:00:26,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 18:00:26,828 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 18:00:26,828 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 18:00:26,828 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 18:00:26,829 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 18:00:26,833 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 18:00:26,833 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 18:00:26,834 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 18:00:26,835 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 18:00:26,835 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 18:00:26,840 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 18:00:26,841 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 18:00:26,841 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 18:00:26,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 18:00:26,842 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 18:00:26,843 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 18:00:26,860 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 18:00:26,861 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 18:00:26,861 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 18:00:26,861 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 18:00:26,862 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 18:00:26,862 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 18:00:26,863 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 18:00:26,863 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 18:00:26,863 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 18:00:26,863 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 18:00:26,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:00:26,864 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 18:00:26,864 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 18:00:26,864 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 18:00:26,864 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 18:00:26,864 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 18:00:26,864 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 18:00:26,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 18:00:26,865 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 18:00:26,867 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 18:00:26,867 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 18:00:26,915 INFO ]: Repository-Root is: /tmp [2018-06-22 18:00:26,931 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 18:00:26,936 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 18:00:26,937 INFO ]: Initializing SmtParser... [2018-06-22 18:00:26,938 INFO ]: SmtParser initialized [2018-06-22 18:00:26,938 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_a3_e2_2086_e3_2542.smt2 [2018-06-22 18:00:26,940 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 18:00:27,028 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_a3_e2_2086_e3_2542.smt2 unknown [2018-06-22 18:00:27,596 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_a3_e2_2086_e3_2542.smt2 [2018-06-22 18:00:27,606 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 18:00:27,622 INFO ]: Walking toolchain with 4 elements. [2018-06-22 18:00:27,622 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 18:00:27,622 INFO ]: Initializing ChcToBoogie... [2018-06-22 18:00:27,622 INFO ]: ChcToBoogie initialized [2018-06-22 18:00:27,626 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:00:27" (1/1) ... [2018-06-22 18:00:27,716 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:00:27 Unit [2018-06-22 18:00:27,716 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 18:00:27,717 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 18:00:27,717 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 18:00:27,717 INFO ]: Boogie Preprocessor initialized [2018-06-22 18:00:27,739 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:00:27" (1/1) ... [2018-06-22 18:00:27,739 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:00:27" (1/1) ... [2018-06-22 18:00:27,751 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:00:27" (1/1) ... [2018-06-22 18:00:27,751 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:00:27" (1/1) ... [2018-06-22 18:00:27,760 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:00:27" (1/1) ... [2018-06-22 18:00:27,761 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:00:27" (1/1) ... [2018-06-22 18:00:27,769 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:00:27" (1/1) ... [2018-06-22 18:00:27,774 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 18:00:27,775 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 18:00:27,775 INFO ]: Initializing RCFGBuilder... [2018-06-22 18:00:27,775 INFO ]: RCFGBuilder initialized [2018-06-22 18:00:27,775 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:00:27" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:00:27,797 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 18:00:27,797 INFO ]: Found specification of procedure False [2018-06-22 18:00:27,797 INFO ]: Found implementation of procedure False [2018-06-22 18:00:27,799 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 18:00:27,799 INFO ]: Found specification of procedure state [2018-06-22 18:00:27,799 INFO ]: Found implementation of procedure state [2018-06-22 18:00:27,799 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 18:00:27,799 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 18:00:27,799 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 18:00:28,208 INFO ]: Using library mode [2018-06-22 18:00:28,209 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:00:28 BoogieIcfgContainer [2018-06-22 18:00:28,209 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 18:00:28,212 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 18:00:28,212 INFO ]: Initializing TraceAbstraction... [2018-06-22 18:00:28,217 INFO ]: TraceAbstraction initialized [2018-06-22 18:00:28,217 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:00:27" (1/3) ... [2018-06-22 18:00:28,218 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d7767b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:00:28, skipping insertion in model container [2018-06-22 18:00:28,218 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:00:27" (2/3) ... [2018-06-22 18:00:28,218 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d7767b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:00:28, skipping insertion in model container [2018-06-22 18:00:28,218 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:00:28" (3/3) ... [2018-06-22 18:00:28,221 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 18:00:28,230 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 18:00:28,241 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 18:00:28,290 INFO ]: Using default assertion order modulation [2018-06-22 18:00:28,290 INFO ]: Interprodecural is true [2018-06-22 18:00:28,290 INFO ]: Hoare is false [2018-06-22 18:00:28,290 INFO ]: Compute interpolants for FPandBP [2018-06-22 18:00:28,290 INFO ]: Backedges is TWOTRACK [2018-06-22 18:00:28,290 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 18:00:28,291 INFO ]: Difference is false [2018-06-22 18:00:28,291 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 18:00:28,291 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 18:00:28,304 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 18:00:28,315 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 18:00:28,315 INFO ]: Found error trace [2018-06-22 18:00:28,316 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:00:28,316 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:00:28,322 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 18:00:28,325 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:00:28,325 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:00:28,368 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:00:28,368 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:00:28,368 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:00:28,482 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:00:28,991 WARN ]: Spent 215.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 7 [2018-06-22 18:00:28,993 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 18:00:28,994 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 18:00:28,994 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 18:00:28,996 INFO ]: Interpolant automaton has 4 states [2018-06-22 18:00:29,005 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 18:00:29,006 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:00:29,008 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 18:00:29,147 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 18:00:29,147 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 18:00:29,148 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 18:00:29,149 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 18:00:29,149 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 18:00:29,162 INFO ]: With dead ends: 13 [2018-06-22 18:00:29,162 INFO ]: Without dead ends: 13 [2018-06-22 18:00:29,164 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:00:29,181 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 18:00:29,215 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 18:00:29,217 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 18:00:29,217 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 18:00:29,219 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 18:00:29,219 INFO ]: Finished accepts. word is rejected. [2018-06-22 18:00:29,219 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 18:00:29,220 INFO ]: Interpolant automaton has 4 states. [2018-06-22 18:00:29,220 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 18:00:29,221 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 18:00:29,221 INFO ]: Found error trace [2018-06-22 18:00:29,221 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:00:29,221 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:00:29,221 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 18:00:29,221 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:00:29,221 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:00:29,223 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:00:29,223 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:00:29,223 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:00:29,387 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:00:33,601 WARN ]: Spent 3.77 s on a formula simplification. DAG size of input: 347 DAG size of output: 212 [2018-06-22 18:00:33,831 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 18:00:33,831 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 18:00:33,831 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) [2018-06-22 18:00:33,850 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:00:33,982 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:00:34,003 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 18:01:36,455 INFO ]: Timeout while computing interpolants [2018-06-22 18:01:36,656 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:01:36,656 WARN ]: Verification canceled [2018-06-22 18:01:36,660 WARN ]: Timeout [2018-06-22 18:01:36,660 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:01:36 BoogieIcfgContainer [2018-06-22 18:01:36,660 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 18:01:36,660 INFO ]: Toolchain (without parser) took 69053.89 ms. Allocated memory was 303.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 235.5 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:01:36,661 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 303.0 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 18:01:36,661 INFO ]: ChcToBoogie took 94.02 ms. Allocated memory is still 303.0 MB. Free memory was 235.5 MB in the beginning and 233.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:01:36,662 INFO ]: Boogie Preprocessor took 57.45 ms. Allocated memory is still 303.0 MB. Free memory was 233.5 MB in the beginning and 231.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:01:36,662 INFO ]: RCFGBuilder took 434.22 ms. Allocated memory is still 303.0 MB. Free memory was 231.5 MB in the beginning and 199.6 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:01:36,663 INFO ]: TraceAbstraction took 68448.32 ms. Allocated memory was 303.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 199.6 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:01:36,665 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 303.0 MB. Free memory is still 267.5 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 94.02 ms. Allocated memory is still 303.0 MB. Free memory was 235.5 MB in the beginning and 233.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 57.45 ms. Allocated memory is still 303.0 MB. Free memory was 233.5 MB in the beginning and 231.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 434.22 ms. Allocated memory is still 303.0 MB. Free memory was 231.5 MB in the beginning and 199.6 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68448.32 ms. Allocated memory was 303.0 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 199.6 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). 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 60 quantified variables from 77 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.3s 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, 0.3s 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, 0.5s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 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_a3_e2_2086_e3_2542.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_18-01-36-680.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_a3_e2_2086_e3_2542.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_18-01-36-680.csv Completed graceful shutdown