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/SYNAPSE_123_e8_953_e8_941.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 16:45:35,627 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 16:45:35,629 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 16:45:35,641 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 16:45:35,641 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 16:45:35,642 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 16:45:35,644 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 16:45:35,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 16:45:35,647 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 16:45:35,648 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 16:45:35,649 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 16:45:35,649 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 16:45:35,650 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 16:45:35,651 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 16:45:35,651 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 16:45:35,652 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 16:45:35,656 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 16:45:35,658 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 16:45:35,668 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 16:45:35,669 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 16:45:35,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 16:45:35,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 16:45:35,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 16:45:35,674 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 16:45:35,675 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 16:45:35,676 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 16:45:35,677 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 16:45:35,680 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 16:45:35,681 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 16:45:35,682 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 16:45:35,682 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 16:45:35,687 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 16:45:35,687 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 16:45:35,688 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 16:45:35,689 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 16:45:35,689 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 16:45:35,711 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 16:45:35,711 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 16:45:35,711 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 16:45:35,711 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 16:45:35,713 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 16:45:35,713 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 16:45:35,713 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 16:45:35,713 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 16:45:35,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 16:45:35,714 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 16:45:35,714 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 16:45:35,714 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 16:45:35,714 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 16:45:35,714 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 16:45:35,715 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 16:45:35,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 16:45:35,715 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 16:45:35,716 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 16:45:35,716 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 16:45:35,770 INFO ]: Repository-Root is: /tmp [2018-06-18 16:45:35,785 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 16:45:35,791 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 16:45:35,793 INFO ]: Initializing SmtParser... [2018-06-18 16:45:35,793 INFO ]: SmtParser initialized [2018-06-18 16:45:35,793 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e8_953_e8_941.smt2 [2018-06-18 16:45:35,795 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 16:45:35,888 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e8_953_e8_941.smt2 unknown [2018-06-18 16:45:36,300 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e8_953_e8_941.smt2 [2018-06-18 16:45:36,305 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 16:45:36,310 INFO ]: Walking toolchain with 4 elements. [2018-06-18 16:45:36,310 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 16:45:36,310 INFO ]: Initializing ChcToBoogie... [2018-06-18 16:45:36,311 INFO ]: ChcToBoogie initialized [2018-06-18 16:45:36,317 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:45:36" (1/1) ... [2018-06-18 16:45:36,395 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:45:36 Unit [2018-06-18 16:45:36,396 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 16:45:36,396 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 16:45:36,396 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 16:45:36,396 INFO ]: Boogie Preprocessor initialized [2018-06-18 16:45:36,414 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:45:36" (1/1) ... [2018-06-18 16:45:36,415 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:45:36" (1/1) ... [2018-06-18 16:45:36,427 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:45:36" (1/1) ... [2018-06-18 16:45:36,427 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:45:36" (1/1) ... [2018-06-18 16:45:36,434 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:45:36" (1/1) ... [2018-06-18 16:45:36,448 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:45:36" (1/1) ... [2018-06-18 16:45:36,450 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:45:36" (1/1) ... [2018-06-18 16:45:36,453 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 16:45:36,454 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 16:45:36,454 INFO ]: Initializing RCFGBuilder... [2018-06-18 16:45:36,454 INFO ]: RCFGBuilder initialized [2018-06-18 16:45:36,455 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:45:36" (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) [2018-06-18 16:45:36,482 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 16:45:36,482 INFO ]: Found specification of procedure False [2018-06-18 16:45:36,482 INFO ]: Found implementation of procedure False [2018-06-18 16:45:36,482 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 16:45:36,482 INFO ]: Found specification of procedure state [2018-06-18 16:45:36,482 INFO ]: Found implementation of procedure state [2018-06-18 16:45:36,482 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 16:45:36,483 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 16:45:36,483 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 16:45:36,846 INFO ]: Using library mode [2018-06-18 16:45:36,846 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:45:36 BoogieIcfgContainer [2018-06-18 16:45:36,846 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 16:45:36,848 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 16:45:36,848 INFO ]: Initializing TraceAbstraction... [2018-06-18 16:45:36,851 INFO ]: TraceAbstraction initialized [2018-06-18 16:45:36,852 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:45:36" (1/3) ... [2018-06-18 16:45:36,852 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a01b7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 04:45:36, skipping insertion in model container [2018-06-18 16:45:36,853 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:45:36" (2/3) ... [2018-06-18 16:45:36,853 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a01b7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 04:45:36, skipping insertion in model container [2018-06-18 16:45:36,853 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:45:36" (3/3) ... [2018-06-18 16:45:36,855 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 16:45:36,865 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 16:45:36,877 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 16:45:36,919 INFO ]: Using default assertion order modulation [2018-06-18 16:45:36,919 INFO ]: Interprodecural is true [2018-06-18 16:45:36,919 INFO ]: Hoare is false [2018-06-18 16:45:36,919 INFO ]: Compute interpolants for FPandBP [2018-06-18 16:45:36,919 INFO ]: Backedges is TWOTRACK [2018-06-18 16:45:36,920 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 16:45:36,920 INFO ]: Difference is false [2018-06-18 16:45:36,920 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 16:45:36,920 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 16:45:36,933 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 16:45:36,944 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 16:45:36,944 INFO ]: Found error trace [2018-06-18 16:45:36,945 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:45:36,945 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:45:36,949 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 16:45:36,950 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:45:36,950 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:45:36,985 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:45:36,985 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:45:36,985 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:45:37,073 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:45:37,083 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:45:37,353 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 16:45:37,357 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 16:45:37,357 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 16:45:37,360 INFO ]: Interpolant automaton has 4 states [2018-06-18 16:45:37,376 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 16:45:37,377 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 16:45:37,380 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 16:45:37,499 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 16:45:37,499 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 16:45:37,501 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 16:45:37,502 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 16:45:37,502 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 16:45:37,517 INFO ]: With dead ends: 13 [2018-06-18 16:45:37,517 INFO ]: Without dead ends: 13 [2018-06-18 16:45:37,520 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 [2018-06-18 16:45:37,539 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 16:45:37,578 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 16:45:37,579 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 16:45:37,580 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 16:45:37,584 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 16:45:37,585 INFO ]: Finished accepts. word is rejected. [2018-06-18 16:45:37,585 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 16:45:37,585 INFO ]: Interpolant automaton has 4 states. [2018-06-18 16:45:37,585 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 16:45:37,586 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 16:45:37,586 INFO ]: Found error trace [2018-06-18 16:45:37,586 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:45:37,586 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:45:37,588 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 16:45:37,588 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:45:37,588 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:45:37,589 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:45:37,589 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:45:37,589 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:45:37,709 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:45:37,710 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:45:40,031 WARN ]: Spent 1.78 s on a formula simplification. DAG size of input: 233 DAG size of output: 84 [2018-06-18 16:45:40,175 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 16:45:40,175 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 16:45:40,175 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 16:45:40,183 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:45:40,260 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:45:40,273 INFO ]: Computing forward predicates... [2018-06-18 16:45:41,188 WARN ]: expecting exponential blowup for input size 25 Received shutdown request... [2018-06-18 16:46:28,806 INFO ]: Timeout while computing interpolants [2018-06-18 16:46:29,007 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 16:46:29,007 WARN ]: Verification canceled [2018-06-18 16:46:29,011 WARN ]: Timeout [2018-06-18 16:46:29,011 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 04:46:29 BoogieIcfgContainer [2018-06-18 16:46:29,011 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 16:46:29,012 INFO ]: Toolchain (without parser) took 52706.53 ms. Allocated memory was 308.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 253.7 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-18 16:46:29,013 INFO ]: SmtParser took 0.07 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 16:46:29,013 INFO ]: ChcToBoogie took 85.45 ms. Allocated memory is still 308.3 MB. Free memory was 253.7 MB in the beginning and 249.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:46:29,014 INFO ]: Boogie Preprocessor took 56.84 ms. Allocated memory is still 308.3 MB. Free memory was 249.7 MB in the beginning and 248.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. [2018-06-18 16:46:29,015 INFO ]: RCFGBuilder took 392.69 ms. Allocated memory is still 308.3 MB. Free memory was 248.6 MB in the beginning and 229.6 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:46:29,015 INFO ]: TraceAbstraction took 52163.13 ms. Allocated memory was 308.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 229.6 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-18 16:46:29,020 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 85.45 ms. Allocated memory is still 308.3 MB. Free memory was 253.7 MB in the beginning and 249.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 56.84 ms. Allocated memory is still 308.3 MB. Free memory was 249.7 MB in the beginning and 248.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 392.69 ms. Allocated memory is still 308.3 MB. Free memory was 248.6 MB in the beginning and 229.6 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 52163.13 ms. Allocated memory was 308.3 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 229.6 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.4 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 25 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 52.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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, 168 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/SYNAPSE_123_e8_953_e8_941.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_16-46-29-038.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/SYNAPSE_123_e8_953_e8_941.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_16-46-29-038.csv Completed graceful shutdown