java -Xss4m -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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 15:13:47,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 15:13:47,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 15:13:47,405 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 15:13:47,405 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 15:13:47,406 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 15:13:47,407 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 15:13:47,409 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 15:13:47,411 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 15:13:47,411 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 15:13:47,412 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 15:13:47,412 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 15:13:47,413 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 15:13:47,414 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 15:13:47,415 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 15:13:47,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 15:13:47,418 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 15:13:47,420 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 15:13:47,430 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 15:13:47,432 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 15:13:47,433 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 15:13:47,435 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 15:13:47,435 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 15:13:47,436 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 15:13:47,437 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 15:13:47,438 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 15:13:47,438 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 15:13:47,446 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 15:13:47,447 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 15:13:47,447 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 15:13:47,448 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 15:13:47,448 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 15:13:47,449 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 15:13:47,449 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 15:13:47,450 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 15:13:47,450 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 15:13:47,474 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 15:13:47,475 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 15:13:47,475 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 15:13:47,475 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 15:13:47,476 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 15:13:47,477 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 15:13:47,477 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 15:13:47,477 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 15:13:47,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 15:13:47,477 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 15:13:47,478 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 15:13:47,478 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 15:13:47,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 15:13:47,478 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 15:13:47,478 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 15:13:47,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 15:13:47,479 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 15:13:47,479 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 15:13:47,479 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 15:13:47,479 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 15:13:47,479 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 15:13:47,481 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 15:13:47,481 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 15:13:47,523 INFO ]: Repository-Root is: /tmp [2018-06-25 15:13:47,540 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 15:13:47,546 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 15:13:47,547 INFO ]: Initializing SmtParser... [2018-06-25 15:13:47,547 INFO ]: SmtParser initialized [2018-06-25 15:13:47,548 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_2.smt2 [2018-06-25 15:13:47,549 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 [2018-06-25 15:13:47,639 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_2.smt2 unknown [2018-06-25 15:13:48,193 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_2.smt2 [2018-06-25 15:13:48,198 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 15:13:48,211 INFO ]: Walking toolchain with 4 elements. [2018-06-25 15:13:48,211 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 15:13:48,211 INFO ]: Initializing ChcToBoogie... [2018-06-25 15:13:48,212 INFO ]: ChcToBoogie initialized [2018-06-25 15:13:48,215 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 03:13:48" (1/1) ... [2018-06-25 15:13:48,350 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:13:48 Unit [2018-06-25 15:13:48,350 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 15:13:48,350 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 15:13:48,351 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 15:13:48,351 INFO ]: Boogie Preprocessor initialized [2018-06-25 15:13:48,388 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:13:48" (1/1) ... [2018-06-25 15:13:48,388 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:13:48" (1/1) ... [2018-06-25 15:13:48,403 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:13:48" (1/1) ... [2018-06-25 15:13:48,403 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:13:48" (1/1) ... [2018-06-25 15:13:48,413 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:13:48" (1/1) ... [2018-06-25 15:13:48,415 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:13:48" (1/1) ... [2018-06-25 15:13:48,417 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:13:48" (1/1) ... [2018-06-25 15:13:48,422 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 15:13:48,423 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 15:13:48,423 INFO ]: Initializing RCFGBuilder... [2018-06-25 15:13:48,423 INFO ]: RCFGBuilder initialized [2018-06-25 15:13:48,424 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:13:48" (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 [2018-06-25 15:13:48,440 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 15:13:48,440 INFO ]: Found specification of procedure gotoProc [2018-06-25 15:13:48,440 INFO ]: Found implementation of procedure gotoProc [2018-06-25 15:13:48,440 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 15:13:48,440 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 15:13:48,440 INFO ]: Found implementation of procedure Ultimate.START [2018-06-25 15:13:48,875 INFO ]: Using library mode [2018-06-25 15:13:48,875 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 03:13:48 BoogieIcfgContainer [2018-06-25 15:13:48,875 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 15:13:48,877 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 15:13:48,877 INFO ]: Initializing TraceAbstraction... [2018-06-25 15:13:48,881 INFO ]: TraceAbstraction initialized [2018-06-25 15:13:48,881 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 03:13:48" (1/3) ... [2018-06-25 15:13:48,882 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b36827b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 03:13:48, skipping insertion in model container [2018-06-25 15:13:48,882 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 03:13:48" (2/3) ... [2018-06-25 15:13:48,882 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b36827b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 03:13:48, skipping insertion in model container [2018-06-25 15:13:48,882 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 03:13:48" (3/3) ... [2018-06-25 15:13:48,884 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 15:13:48,894 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 15:13:48,904 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 15:13:48,946 INFO ]: Using default assertion order modulation [2018-06-25 15:13:48,947 INFO ]: Interprodecural is true [2018-06-25 15:13:48,947 INFO ]: Hoare is false [2018-06-25 15:13:48,947 INFO ]: Compute interpolants for FPandBP [2018-06-25 15:13:48,947 INFO ]: Backedges is TWOTRACK [2018-06-25 15:13:48,947 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 15:13:48,947 INFO ]: Difference is false [2018-06-25 15:13:48,947 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 15:13:48,947 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 15:13:48,958 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 15:13:48,968 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 15:13:48,969 INFO ]: Found error trace [2018-06-25 15:13:48,969 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 15:13:48,969 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 15:13:48,973 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-25 15:13:48,975 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 15:13:48,975 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 15:13:49,013 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:13:49,013 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 15:13:49,013 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:13:49,181 INFO ]: Conjunction of SSA is unsat [2018-06-25 15:13:49,921 WARN ]: Spent 551.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2018-06-25 15:13:49,924 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 15:13:49,926 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 15:13:49,926 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 15:13:49,928 INFO ]: Interpolant automaton has 3 states [2018-06-25 15:13:49,943 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 15:13:49,944 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 15:13:49,946 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 15:13:50,027 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 15:13:50,027 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 15:13:50,029 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 15:13:50,031 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 15:13:50,031 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 15:13:50,039 INFO ]: With dead ends: 9 [2018-06-25 15:13:50,039 INFO ]: Without dead ends: 9 [2018-06-25 15:13:50,040 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 15:13:50,059 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 15:13:50,076 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 15:13:50,077 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 15:13:50,078 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 15:13:50,079 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 15:13:50,079 INFO ]: Finished accepts. word is rejected. [2018-06-25 15:13:50,079 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 15:13:50,079 INFO ]: Interpolant automaton has 3 states. [2018-06-25 15:13:50,079 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 15:13:50,080 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 15:13:50,080 INFO ]: Found error trace [2018-06-25 15:13:50,080 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 15:13:50,080 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 15:13:50,080 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-25 15:13:50,080 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 15:13:50,080 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 15:13:50,081 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:13:50,081 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 15:13:50,081 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 15:13:50,274 INFO ]: Conjunction of SSA is unsat [2018-06-25 15:13:50,722 WARN ]: Spent 228.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 5 [2018-06-25 15:13:50,862 WARN ]: Spent 116.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-06-25 15:13:50,863 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 15:13:50,863 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 15:13:50,863 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 [2018-06-25 15:13:50,876 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 15:13:51,053 INFO ]: Conjunction of SSA is unsat [2018-06-25 15:13:51,073 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-25 15:15:01,111 INFO ]: Timeout while computing interpolants [2018-06-25 15:15:01,312 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 15:15:01,312 WARN ]: Verification canceled [2018-06-25 15:15:01,316 WARN ]: Timeout [2018-06-25 15:15:01,316 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 03:15:01 BoogieIcfgContainer [2018-06-25 15:15:01,316 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 15:15:01,317 INFO ]: Toolchain (without parser) took 73117.99 ms. Allocated memory was 301.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 234.9 MB in the beginning and 722.3 MB in the end (delta: -487.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-25 15:15:01,318 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 301.5 MB. Free memory is still 265.0 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 15:15:01,318 INFO ]: ChcToBoogie took 138.78 ms. Allocated memory is still 301.5 MB. Free memory was 234.9 MB in the beginning and 230.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-25 15:15:01,319 INFO ]: Boogie Preprocessor took 71.75 ms. Allocated memory is still 301.5 MB. Free memory was 230.9 MB in the beginning and 229.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-25 15:15:01,319 INFO ]: RCFGBuilder took 452.77 ms. Allocated memory is still 301.5 MB. Free memory was 228.9 MB in the beginning and 191.1 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 3.6 GB. [2018-06-25 15:15:01,320 INFO ]: TraceAbstraction took 72439.20 ms. Allocated memory was 301.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 191.1 MB in the beginning and 722.3 MB in the end (delta: -531.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-25 15:15:01,332 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 301.5 MB. Free memory is still 265.0 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 138.78 ms. Allocated memory is still 301.5 MB. Free memory was 234.9 MB in the beginning and 230.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 71.75 ms. Allocated memory is still 301.5 MB. Free memory was 230.9 MB in the beginning and 229.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 452.77 ms. Allocated memory is still 301.5 MB. Free memory was 228.9 MB in the beginning and 191.1 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 3.6 GB. * TraceAbstraction took 72439.20 ms. Allocated memory was 301.5 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 191.1 MB in the beginning and 722.3 MB in the end (delta: -531.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 50 quantified variables from 62 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 72.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 0.7s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_15-15-01-347.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_2.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_15-15-01-347.csv Completed graceful shutdown