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/ILLINOIS_5.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 18:42:11,457 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 18:42:11,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 18:42:11,473 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 18:42:11,473 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 18:42:11,474 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 18:42:11,475 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 18:42:11,479 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 18:42:11,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 18:42:11,482 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 18:42:11,483 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 18:42:11,483 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 18:42:11,484 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 18:42:11,485 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 18:42:11,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 18:42:11,486 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 18:42:11,488 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 18:42:11,490 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 18:42:11,491 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 18:42:11,492 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 18:42:11,493 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 18:42:11,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 18:42:11,496 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 18:42:11,496 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 18:42:11,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 18:42:11,498 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 18:42:11,499 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 18:42:11,499 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 18:42:11,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 18:42:11,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 18:42:11,501 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 18:42:11,502 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 18:42:11,502 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 18:42:11,503 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 18:42:11,503 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 18:42:11,503 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 18:42:11,516 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 18:42:11,517 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 18:42:11,517 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 18:42:11,517 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 18:42:11,518 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 18:42:11,518 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 18:42:11,519 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 18:42:11,519 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 18:42:11,519 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 18:42:11,519 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 18:42:11,519 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:42:11,520 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 18:42:11,520 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 18:42:11,520 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 18:42:11,520 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 18:42:11,521 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 18:42:11,521 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 18:42:11,521 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 18:42:11,521 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 18:42:11,522 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 18:42:11,523 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 18:42:11,575 INFO ]: Repository-Root is: /tmp [2018-06-22 18:42:11,590 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 18:42:11,597 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 18:42:11,598 INFO ]: Initializing SmtParser... [2018-06-22 18:42:11,599 INFO ]: SmtParser initialized [2018-06-22 18:42:11,599 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_5.smt2 [2018-06-22 18:42:11,601 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 18:42:11,699 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_5.smt2 unknown [2018-06-22 18:42:12,236 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_5.smt2 [2018-06-22 18:42:12,241 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 18:42:12,247 INFO ]: Walking toolchain with 4 elements. [2018-06-22 18:42:12,247 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 18:42:12,247 INFO ]: Initializing ChcToBoogie... [2018-06-22 18:42:12,247 INFO ]: ChcToBoogie initialized [2018-06-22 18:42:12,251 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:42:12" (1/1) ... [2018-06-22 18:42:12,350 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:42:12 Unit [2018-06-22 18:42:12,350 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 18:42:12,350 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 18:42:12,350 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 18:42:12,350 INFO ]: Boogie Preprocessor initialized [2018-06-22 18:42:12,381 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:42:12" (1/1) ... [2018-06-22 18:42:12,381 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:42:12" (1/1) ... [2018-06-22 18:42:12,391 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:42:12" (1/1) ... [2018-06-22 18:42:12,392 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:42:12" (1/1) ... [2018-06-22 18:42:12,401 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:42:12" (1/1) ... [2018-06-22 18:42:12,402 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:42:12" (1/1) ... [2018-06-22 18:42:12,406 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:42:12" (1/1) ... [2018-06-22 18:42:12,411 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 18:42:12,411 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 18:42:12,411 INFO ]: Initializing RCFGBuilder... [2018-06-22 18:42:12,411 INFO ]: RCFGBuilder initialized [2018-06-22 18:42:12,412 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:42:12" (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 18:42:12,429 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 18:42:12,429 INFO ]: Found specification of procedure False [2018-06-22 18:42:12,429 INFO ]: Found implementation of procedure False [2018-06-22 18:42:12,429 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 18:42:12,429 INFO ]: Found specification of procedure state [2018-06-22 18:42:12,429 INFO ]: Found implementation of procedure state [2018-06-22 18:42:12,429 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 18:42:12,429 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 18:42:12,429 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 18:42:12,850 INFO ]: Using library mode [2018-06-22 18:42:12,851 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:42:12 BoogieIcfgContainer [2018-06-22 18:42:12,851 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 18:42:12,857 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 18:42:12,857 INFO ]: Initializing TraceAbstraction... [2018-06-22 18:42:12,860 INFO ]: TraceAbstraction initialized [2018-06-22 18:42:12,860 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:42:12" (1/3) ... [2018-06-22 18:42:12,861 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54d91767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:42:12, skipping insertion in model container [2018-06-22 18:42:12,861 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:42:12" (2/3) ... [2018-06-22 18:42:12,862 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54d91767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:42:12, skipping insertion in model container [2018-06-22 18:42:12,862 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:42:12" (3/3) ... [2018-06-22 18:42:12,867 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 18:42:12,877 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 18:42:12,888 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 18:42:12,935 INFO ]: Using default assertion order modulation [2018-06-22 18:42:12,936 INFO ]: Interprodecural is true [2018-06-22 18:42:12,936 INFO ]: Hoare is false [2018-06-22 18:42:12,936 INFO ]: Compute interpolants for FPandBP [2018-06-22 18:42:12,936 INFO ]: Backedges is TWOTRACK [2018-06-22 18:42:12,936 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 18:42:12,936 INFO ]: Difference is false [2018-06-22 18:42:12,936 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 18:42:12,936 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 18:42:12,949 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 18:42:12,959 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 18:42:12,959 INFO ]: Found error trace [2018-06-22 18:42:12,960 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:42:12,960 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:42:12,965 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 18:42:12,967 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:42:12,968 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:42:13,002 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:42:13,002 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:42:13,002 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:42:13,119 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:42:13,472 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 18:42:13,475 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 18:42:13,475 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 18:42:13,477 INFO ]: Interpolant automaton has 4 states [2018-06-22 18:42:13,492 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 18:42:13,492 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:42:13,495 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 18:42:13,642 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 18:42:13,643 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 18:42:13,644 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 18:42:13,645 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 18:42:13,645 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 18:42:13,658 INFO ]: With dead ends: 13 [2018-06-22 18:42:13,658 INFO ]: Without dead ends: 13 [2018-06-22 18:42:13,660 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 18:42:13,677 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 18:42:13,708 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 18:42:13,709 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 18:42:13,710 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 18:42:13,712 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 18:42:13,713 INFO ]: Finished accepts. word is rejected. [2018-06-22 18:42:13,713 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 18:42:13,713 INFO ]: Interpolant automaton has 4 states. [2018-06-22 18:42:13,713 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 18:42:13,714 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 18:42:13,714 INFO ]: Found error trace [2018-06-22 18:42:13,714 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:42:13,714 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:42:13,715 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 18:42:13,715 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:42:13,715 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:42:13,715 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:42:13,715 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:42:13,715 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:42:13,841 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:42:14,469 WARN ]: Spent 405.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2018-06-22 18:42:14,601 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 18:42:14,601 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 18:42:14,642 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 18:42:14,648 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:42:14,769 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:42:14,783 INFO ]: Computing forward predicates... [2018-06-22 18:42:14,926 WARN ]: expecting exponential blowup for input size 21 Received shutdown request... [2018-06-22 18:43:02,982 INFO ]: Timeout while computing interpolants [2018-06-22 18:43:03,183 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:43:03,183 WARN ]: Verification canceled [2018-06-22 18:43:03,189 WARN ]: Timeout [2018-06-22 18:43:03,189 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:43:03 BoogieIcfgContainer [2018-06-22 18:43:03,189 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 18:43:03,190 INFO ]: Toolchain (without parser) took 50948.70 ms. Allocated memory was 308.8 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 242.4 MB in the beginning and 696.5 MB in the end (delta: -454.2 MB). Peak memory consumption was 3.5 GB. Max. memory is 3.6 GB. [2018-06-22 18:43:03,195 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 18:43:03,195 INFO ]: ChcToBoogie took 102.75 ms. Allocated memory is still 308.8 MB. Free memory was 241.4 MB in the beginning and 239.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:43:03,196 INFO ]: Boogie Preprocessor took 60.25 ms. Allocated memory is still 308.8 MB. Free memory was 239.4 MB in the beginning and 236.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:43:03,196 INFO ]: RCFGBuilder took 439.74 ms. Allocated memory is still 308.8 MB. Free memory was 236.4 MB in the beginning and 203.9 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 3.6 GB. [2018-06-22 18:43:03,197 INFO ]: TraceAbstraction took 50331.83 ms. Allocated memory was 308.8 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 203.9 MB in the beginning and 696.5 MB in the end (delta: -492.7 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 18:43:03,206 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 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 102.75 ms. Allocated memory is still 308.8 MB. Free memory was 241.4 MB in the beginning and 239.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 60.25 ms. Allocated memory is still 308.8 MB. Free memory was 239.4 MB in the beginning and 236.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 439.74 ms. Allocated memory is still 308.8 MB. Free memory was 236.4 MB in the beginning and 203.9 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 50331.83 ms. Allocated memory was 308.8 MB in the beginning and 3.3 GB in the end (delta: 3.0 GB). Free memory was 203.9 MB in the beginning and 696.5 MB in the end (delta: -492.7 MB). 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 21 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 50.2s 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, 0.2s 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, 0.1s SatisfiabilityAnalysisTime, 0.3s 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/ILLINOIS_5.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_18-43-03-222.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ILLINOIS_5.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_18-43-03-222.csv Completed graceful shutdown