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/fast_2_e8_460.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:26:54,187 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:26:54,190 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:26:54,203 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:26:54,203 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:26:54,204 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:26:54,208 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:26:54,210 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:26:54,212 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:26:54,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:26:54,215 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:26:54,215 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:26:54,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:26:54,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:26:54,221 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:26:54,222 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:26:54,223 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:26:54,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:26:54,234 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:26:54,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:26:54,236 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:26:54,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:26:54,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:26:54,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:26:54,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:26:54,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:26:54,247 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:26:54,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:26:54,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:26:54,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:26:54,252 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:26:54,253 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:26:54,253 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:26:54,254 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:26:54,255 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:26:54,255 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 17:26:54,278 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:26:54,278 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:26:54,279 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:26:54,279 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:26:54,280 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:26:54,280 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:26:54,281 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:26:54,281 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:26:54,281 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:26:54,281 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:26:54,281 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:26:54,282 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:26:54,282 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:26:54,282 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:26:54,282 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:26:54,282 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:26:54,283 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:26:54,283 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:26:54,283 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:26:54,285 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:26:54,285 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:26:54,334 INFO ]: Repository-Root is: /tmp [2018-06-22 17:26:54,349 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:26:54,354 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:26:54,355 INFO ]: Initializing SmtParser... [2018-06-22 17:26:54,355 INFO ]: SmtParser initialized [2018-06-22 17:26:54,356 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460.smt2 [2018-06-22 17:26:54,357 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 17:26:54,442 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460.smt2 unknown [2018-06-22 17:26:54,932 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460.smt2 [2018-06-22 17:26:54,937 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:26:54,943 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:26:54,944 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:26:54,944 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:26:54,944 INFO ]: ChcToBoogie initialized [2018-06-22 17:26:54,948 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:26:54" (1/1) ... [2018-06-22 17:26:55,049 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:55 Unit [2018-06-22 17:26:55,049 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:26:55,050 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:26:55,050 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:26:55,050 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:26:55,095 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:55" (1/1) ... [2018-06-22 17:26:55,096 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:55" (1/1) ... [2018-06-22 17:26:55,121 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:55" (1/1) ... [2018-06-22 17:26:55,121 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:55" (1/1) ... [2018-06-22 17:26:55,132 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:55" (1/1) ... [2018-06-22 17:26:55,134 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:55" (1/1) ... [2018-06-22 17:26:55,136 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:55" (1/1) ... [2018-06-22 17:26:55,149 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:26:55,150 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:26:55,150 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:26:55,150 INFO ]: RCFGBuilder initialized [2018-06-22 17:26:55,151 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:55" (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 17:26:55,182 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:26:55,182 INFO ]: Found specification of procedure False [2018-06-22 17:26:55,182 INFO ]: Found implementation of procedure False [2018-06-22 17:26:55,182 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:26:55,182 INFO ]: Found specification of procedure state [2018-06-22 17:26:55,182 INFO ]: Found implementation of procedure state [2018-06-22 17:26:55,182 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:26:55,183 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:26:55,183 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 17:26:55,697 INFO ]: Using library mode [2018-06-22 17:26:55,697 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:26:55 BoogieIcfgContainer [2018-06-22 17:26:55,697 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:26:55,699 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:26:55,699 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:26:55,704 INFO ]: TraceAbstraction initialized [2018-06-22 17:26:55,704 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:26:54" (1/3) ... [2018-06-22 17:26:55,705 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b353f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:26:55, skipping insertion in model container [2018-06-22 17:26:55,705 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:55" (2/3) ... [2018-06-22 17:26:55,705 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b353f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:26:55, skipping insertion in model container [2018-06-22 17:26:55,705 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:26:55" (3/3) ... [2018-06-22 17:26:55,708 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:26:55,718 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:26:55,728 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:26:55,779 INFO ]: Using default assertion order modulation [2018-06-22 17:26:55,779 INFO ]: Interprodecural is true [2018-06-22 17:26:55,779 INFO ]: Hoare is false [2018-06-22 17:26:55,779 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:26:55,779 INFO ]: Backedges is TWOTRACK [2018-06-22 17:26:55,779 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:26:55,779 INFO ]: Difference is false [2018-06-22 17:26:55,779 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:26:55,779 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:26:55,798 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:26:55,812 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:26:55,812 INFO ]: Found error trace [2018-06-22 17:26:55,813 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:26:55,814 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:26:55,820 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:26:55,823 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:26:55,823 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:26:55,876 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:26:55,876 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:26:55,876 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:26:56,025 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:26:56,400 WARN ]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-06-22 17:26:56,402 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:26:56,404 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:26:56,404 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:26:56,406 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:26:56,418 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:26:56,418 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:26:56,420 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:26:56,556 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:26:56,557 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:26:56,557 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:26:56,558 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:26:56,559 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:26:56,569 INFO ]: With dead ends: 13 [2018-06-22 17:26:56,569 INFO ]: Without dead ends: 13 [2018-06-22 17:26:56,572 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:26:56,592 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:26:56,616 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:26:56,617 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:26:56,618 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:26:56,619 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:26:56,619 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:26:56,619 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:26:56,619 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:26:56,619 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:26:56,620 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:26:56,620 INFO ]: Found error trace [2018-06-22 17:26:56,621 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:26:56,621 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:26:56,621 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:26:56,621 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:26:56,621 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:26:56,622 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:26:56,622 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:26:56,622 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:26:56,682 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:26:57,286 WARN ]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-06-22 17:26:57,438 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:26:57,438 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:26:57,438 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:26:57,452 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:26:57,574 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:26:57,588 INFO ]: Computing forward predicates... [2018-06-22 17:27:03,102 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:27:03,441 WARN ]: Simplifying disjunction of 21120 conjuctions. This might take some time... [2018-06-22 17:28:05,380 INFO ]: Simplified to disjunction of 21120 conjuctions. [2018-06-22 17:28:05,495 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 17:28:05,627 WARN ]: Simplifying disjunction of 21120 conjuctions. This might take some time... Received shutdown request... [2018-06-22 17:28:10,499 INFO ]: Timeout while computing interpolants [2018-06-22 17:28:10,700 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:28:10,700 WARN ]: Verification canceled [2018-06-22 17:28:10,706 WARN ]: Timeout [2018-06-22 17:28:10,706 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:28:10 BoogieIcfgContainer [2018-06-22 17:28:10,706 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:28:10,707 INFO ]: Toolchain (without parser) took 75769.77 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 243.2 MB in the beginning and 172.0 MB in the end (delta: 71.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:28:10,708 INFO ]: SmtParser took 0.05 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:28:10,708 INFO ]: ChcToBoogie took 105.78 ms. Allocated memory is still 308.8 MB. Free memory was 241.2 MB in the beginning and 239.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:28:10,718 INFO ]: Boogie Preprocessor took 99.14 ms. Allocated memory is still 308.8 MB. Free memory was 239.2 MB in the beginning and 237.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:28:10,719 INFO ]: RCFGBuilder took 547.72 ms. Allocated memory is still 308.8 MB. Free memory was 237.2 MB in the beginning and 203.2 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:28:10,719 INFO ]: TraceAbstraction took 75007.69 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 201.2 MB in the beginning and 172.0 MB in the end (delta: 29.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 3.6 GB. [2018-06-22 17:28:10,721 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.05 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 105.78 ms. Allocated memory is still 308.8 MB. Free memory was 241.2 MB in the beginning and 239.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 99.14 ms. Allocated memory is still 308.8 MB. Free memory was 239.2 MB in the beginning and 237.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 547.72 ms. Allocated memory is still 308.8 MB. Free memory was 237.2 MB in the beginning and 203.2 MB in the end (delta: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75007.69 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 201.2 MB in the beginning and 172.0 MB in the end (delta: 29.3 MB). Peak memory consumption was 1.2 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 XNF transformer was simplifying 21120 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 74.9s 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, 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_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-28-10-753.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/fast_2_e8_460.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-28-10-753.csv Completed graceful shutdown