java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 15:00:23,753 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 15:00:23,758 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 15:00:23,775 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 15:00:23,776 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 15:00:23,777 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 15:00:23,779 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 15:00:23,782 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 15:00:23,783 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 15:00:23,784 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 15:00:23,785 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 15:00:23,785 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 15:00:23,786 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 15:00:23,788 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 15:00:23,788 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 15:00:23,789 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 15:00:23,791 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 15:00:23,793 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 15:00:23,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 15:00:23,796 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 15:00:23,797 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 15:00:23,799 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 15:00:23,800 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 15:00:23,800 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 15:00:23,801 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 15:00:23,802 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 15:00:23,803 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 15:00:23,804 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 15:00:23,805 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 15:00:23,805 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 15:00:23,806 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 15:00:23,807 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 15:00:23,807 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 15:00:23,808 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 15:00:23,809 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 15:00:23,809 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 15:00:23,822 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 15:00:23,822 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 15:00:23,822 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 15:00:23,823 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 15:00:23,824 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 15:00:23,824 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 15:00:23,825 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 15:00:23,825 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 15:00:23,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 15:00:23,825 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 15:00:23,825 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 15:00:23,826 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 15:00:23,826 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 15:00:23,826 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 15:00:23,826 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 15:00:23,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 15:00:23,827 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 15:00:23,829 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 15:00:23,830 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 15:00:23,884 INFO ]: Repository-Root is: /tmp [2018-06-18 15:00:23,902 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 15:00:23,908 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 15:00:23,910 INFO ]: Initializing SmtParser... [2018-06-18 15:00:23,910 INFO ]: SmtParser initialized [2018-06-18 15:00:23,911 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460.smt2 [2018-06-18 15:00:23,912 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 [2018-06-18 15:00:24,012 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460.smt2 unknown [2018-06-18 15:00:24,626 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460.smt2 [2018-06-18 15:00:24,631 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 15:00:24,639 INFO ]: Walking toolchain with 4 elements. [2018-06-18 15:00:24,640 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 15:00:24,640 INFO ]: Initializing ChcToBoogie... [2018-06-18 15:00:24,640 INFO ]: ChcToBoogie initialized [2018-06-18 15:00:24,655 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:00:24" (1/1) ... [2018-06-18 15:00:24,811 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:00:24 Unit [2018-06-18 15:00:24,812 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 15:00:24,812 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 15:00:24,813 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 15:00:24,813 INFO ]: Boogie Preprocessor initialized [2018-06-18 15:00:24,841 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:00:24" (1/1) ... [2018-06-18 15:00:24,841 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:00:24" (1/1) ... [2018-06-18 15:00:24,858 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:00:24" (1/1) ... [2018-06-18 15:00:24,858 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:00:24" (1/1) ... [2018-06-18 15:00:24,869 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:00:24" (1/1) ... [2018-06-18 15:00:24,870 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:00:24" (1/1) ... [2018-06-18 15:00:24,881 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:00:24" (1/1) ... [2018-06-18 15:00:24,888 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 15:00:24,889 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 15:00:24,889 INFO ]: Initializing RCFGBuilder... [2018-06-18 15:00:24,889 INFO ]: RCFGBuilder initialized [2018-06-18 15:00:24,896 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:00:24" (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) [2018-06-18 15:00:24,947 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 15:00:24,947 INFO ]: Found specification of procedure False [2018-06-18 15:00:24,947 INFO ]: Found implementation of procedure False [2018-06-18 15:00:24,947 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 15:00:24,948 INFO ]: Found specification of procedure state [2018-06-18 15:00:24,948 INFO ]: Found implementation of procedure state [2018-06-18 15:00:24,948 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 15:00:24,948 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 15:00:24,948 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 [2018-06-18 15:00:25,358 INFO ]: Using library mode [2018-06-18 15:00:25,359 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:00:25 BoogieIcfgContainer [2018-06-18 15:00:25,359 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 15:00:25,361 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 15:00:25,361 INFO ]: Initializing TraceAbstraction... [2018-06-18 15:00:25,369 INFO ]: TraceAbstraction initialized [2018-06-18 15:00:25,369 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 03:00:24" (1/3) ... [2018-06-18 15:00:25,370 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255ba067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 03:00:25, skipping insertion in model container [2018-06-18 15:00:25,370 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 03:00:24" (2/3) ... [2018-06-18 15:00:25,370 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255ba067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 03:00:25, skipping insertion in model container [2018-06-18 15:00:25,370 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 03:00:25" (3/3) ... [2018-06-18 15:00:25,372 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 15:00:25,383 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 15:00:25,392 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 15:00:25,446 INFO ]: Using default assertion order modulation [2018-06-18 15:00:25,446 INFO ]: Interprodecural is true [2018-06-18 15:00:25,446 INFO ]: Hoare is false [2018-06-18 15:00:25,446 INFO ]: Compute interpolants for FPandBP [2018-06-18 15:00:25,446 INFO ]: Backedges is TWOTRACK [2018-06-18 15:00:25,446 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 15:00:25,447 INFO ]: Difference is false [2018-06-18 15:00:25,447 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 15:00:25,447 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 15:00:25,468 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 15:00:25,498 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 15:00:25,498 INFO ]: Found error trace [2018-06-18 15:00:25,506 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:00:25,506 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:00:25,519 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 15:00:25,521 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:00:25,522 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:00:25,610 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:00:25,610 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:00:25,616 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:00:25,920 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:00:25,942 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:00:26,267 WARN ]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-06-18 15:00:26,271 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 15:00:26,274 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 15:00:26,275 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 15:00:26,277 INFO ]: Interpolant automaton has 4 states [2018-06-18 15:00:26,295 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 15:00:26,296 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 15:00:26,298 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 15:00:26,463 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 15:00:26,463 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 15:00:26,464 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 15:00:26,465 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 15:00:26,466 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 15:00:26,499 INFO ]: With dead ends: 13 [2018-06-18 15:00:26,499 INFO ]: Without dead ends: 13 [2018-06-18 15:00:26,501 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 [2018-06-18 15:00:26,536 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 15:00:26,604 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 15:00:26,605 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 15:00:26,615 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 15:00:26,616 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 15:00:26,617 INFO ]: Finished accepts. word is rejected. [2018-06-18 15:00:26,617 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 15:00:26,617 INFO ]: Interpolant automaton has 4 states. [2018-06-18 15:00:26,617 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 15:00:26,623 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 15:00:26,623 INFO ]: Found error trace [2018-06-18 15:00:26,623 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 15:00:26,623 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 15:00:26,623 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 15:00:26,623 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 15:00:26,623 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 15:00:26,627 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:00:26,627 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:00:26,627 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 15:00:26,728 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:00:26,729 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 15:00:27,450 WARN ]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-06-18 15:00:27,516 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 15:00:27,516 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 15:00:27,516 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 [2018-06-18 15:00:27,543 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 15:00:27,651 INFO ]: Conjunction of SSA is unsat [2018-06-18 15:00:27,663 INFO ]: Computing forward predicates... [2018-06-18 15:00:28,362 WARN ]: expecting exponential blowup for input size 35 Received shutdown request... [2018-06-18 15:01:14,731 INFO ]: Timeout while computing interpolants [2018-06-18 15:01:14,931 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 15:01:14,932 WARN ]: Verification canceled [2018-06-18 15:01:14,936 WARN ]: Timeout [2018-06-18 15:01:14,936 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 03:01:14 BoogieIcfgContainer [2018-06-18 15:01:14,936 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 15:01:14,957 INFO ]: Toolchain (without parser) took 50324.97 ms. Allocated memory was 308.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 242.6 MB in the beginning and 1.2 GB in the end (delta: -978.9 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-18 15:01:14,958 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 15:01:14,958 INFO ]: ChcToBoogie took 171.90 ms. Allocated memory is still 308.3 MB. Free memory was 242.6 MB in the beginning and 237.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:01:14,959 INFO ]: Boogie Preprocessor took 75.47 ms. Allocated memory is still 308.3 MB. Free memory was 237.6 MB in the beginning and 235.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-18 15:01:14,959 INFO ]: RCFGBuilder took 470.40 ms. Allocated memory is still 308.3 MB. Free memory was 235.6 MB in the beginning and 198.1 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 3.6 GB. [2018-06-18 15:01:14,959 INFO ]: TraceAbstraction took 49575.83 ms. Allocated memory was 308.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 198.1 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-18 15:01:14,962 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 171.90 ms. Allocated memory is still 308.3 MB. Free memory was 242.6 MB in the beginning and 237.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 75.47 ms. Allocated memory is still 308.3 MB. Free memory was 237.6 MB in the beginning and 235.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 470.40 ms. Allocated memory is still 308.3 MB. Free memory was 235.6 MB in the beginning and 198.1 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 49575.83 ms. Allocated memory was 308.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 198.1 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.3 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 35 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 49.5s 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, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 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/fast_2_e8_460.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_15-01-15-014.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/fast_2_e8_460.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_15-01-15-014.csv Completed graceful shutdown