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/FIREFLY_5.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:49:22,797 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:49:22,800 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:49:22,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:49:22,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:49:22,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:49:22,814 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:49:22,818 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:49:22,820 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:49:22,820 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:49:22,821 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:49:22,821 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:49:22,824 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:49:22,825 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:49:22,825 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:49:22,826 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:49:22,830 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:49:22,832 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:49:22,835 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:49:22,836 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:49:22,837 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:49:22,839 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:49:22,840 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:49:22,840 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:49:22,841 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:49:22,842 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:49:22,842 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:49:22,843 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:49:22,844 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:49:22,845 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:49:22,845 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:49:22,846 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:49:22,846 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:49:22,847 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:49:22,848 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:49:22,848 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 17:49:22,870 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:49:22,870 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:49:22,871 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:49:22,871 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:49:22,872 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:49:22,872 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:49:22,872 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:49:22,873 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:49:22,873 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:49:22,873 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:49:22,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:49:22,873 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:49:22,874 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:49:22,874 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:49:22,874 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:49:22,874 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:49:22,874 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:49:22,874 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:49:22,875 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:49:22,876 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:49:22,876 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:49:22,930 INFO ]: Repository-Root is: /tmp [2018-06-22 17:49:22,947 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:49:22,951 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:49:22,953 INFO ]: Initializing SmtParser... [2018-06-22 17:49:22,953 INFO ]: SmtParser initialized [2018-06-22 17:49:22,954 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_5.smt2 [2018-06-22 17:49:22,955 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 17:49:23,048 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_5.smt2 unknown [2018-06-22 17:49:23,563 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_5.smt2 [2018-06-22 17:49:23,568 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:49:23,575 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:49:23,575 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:49:23,575 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:49:23,575 INFO ]: ChcToBoogie initialized [2018-06-22 17:49:23,578 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:49:23" (1/1) ... [2018-06-22 17:49:23,669 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:23 Unit [2018-06-22 17:49:23,669 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:49:23,670 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:49:23,670 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:49:23,670 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:49:23,712 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:23" (1/1) ... [2018-06-22 17:49:23,713 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:23" (1/1) ... [2018-06-22 17:49:23,737 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:23" (1/1) ... [2018-06-22 17:49:23,738 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:23" (1/1) ... [2018-06-22 17:49:23,755 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:23" (1/1) ... [2018-06-22 17:49:23,756 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:23" (1/1) ... [2018-06-22 17:49:23,759 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:23" (1/1) ... [2018-06-22 17:49:23,763 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:49:23,773 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:49:23,773 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:49:23,773 INFO ]: RCFGBuilder initialized [2018-06-22 17:49:23,774 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:23" (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 17:49:23,796 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:49:23,796 INFO ]: Found specification of procedure False [2018-06-22 17:49:23,796 INFO ]: Found implementation of procedure False [2018-06-22 17:49:23,796 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:49:23,796 INFO ]: Found specification of procedure state [2018-06-22 17:49:23,796 INFO ]: Found implementation of procedure state [2018-06-22 17:49:23,796 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:49:23,796 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:49:23,796 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 17:49:24,241 INFO ]: Using library mode [2018-06-22 17:49:24,244 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:49:24 BoogieIcfgContainer [2018-06-22 17:49:24,244 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:49:24,245 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:49:24,245 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:49:24,249 INFO ]: TraceAbstraction initialized [2018-06-22 17:49:24,249 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:49:23" (1/3) ... [2018-06-22 17:49:24,250 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a81611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:49:24, skipping insertion in model container [2018-06-22 17:49:24,250 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:49:23" (2/3) ... [2018-06-22 17:49:24,250 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a81611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:49:24, skipping insertion in model container [2018-06-22 17:49:24,250 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:49:24" (3/3) ... [2018-06-22 17:49:24,252 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:49:24,262 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:49:24,273 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:49:24,324 INFO ]: Using default assertion order modulation [2018-06-22 17:49:24,324 INFO ]: Interprodecural is true [2018-06-22 17:49:24,324 INFO ]: Hoare is false [2018-06-22 17:49:24,324 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:49:24,324 INFO ]: Backedges is TWOTRACK [2018-06-22 17:49:24,324 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:49:24,324 INFO ]: Difference is false [2018-06-22 17:49:24,325 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:49:24,325 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:49:24,339 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:49:24,355 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:49:24,355 INFO ]: Found error trace [2018-06-22 17:49:24,358 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:49:24,358 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:49:24,364 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 17:49:24,366 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:49:24,367 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:49:24,407 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:49:24,407 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:49:24,407 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:49:24,517 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:49:24,740 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:49:24,742 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:49:24,742 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:49:24,744 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:49:24,754 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:49:24,755 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:49:24,757 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:49:24,909 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:49:24,909 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:49:24,910 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:49:24,911 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:49:24,911 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:49:24,921 INFO ]: With dead ends: 13 [2018-06-22 17:49:24,921 INFO ]: Without dead ends: 13 [2018-06-22 17:49:24,923 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 [2018-06-22 17:49:24,936 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:49:24,971 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:49:24,973 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:49:24,973 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:49:24,974 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:49:24,974 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:49:24,974 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:49:24,975 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:49:24,975 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:49:24,976 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:49:24,976 INFO ]: Found error trace [2018-06-22 17:49:24,977 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:49:24,977 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:49:24,977 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 17:49:24,977 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:49:24,977 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:49:24,978 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:49:24,978 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:49:24,978 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:49:25,087 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:49:25,961 WARN ]: Spent 596.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2018-06-22 17:49:26,119 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:49:26,119 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:49:26,119 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 17:49:26,129 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:49:26,266 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:49:26,280 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 17:50:32,124 INFO ]: Timeout while computing interpolants [2018-06-22 17:50:32,325 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:50:32,325 WARN ]: Verification canceled [2018-06-22 17:50:32,329 WARN ]: Timeout [2018-06-22 17:50:32,329 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:50:32 BoogieIcfgContainer [2018-06-22 17:50:32,329 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:50:32,330 INFO ]: Toolchain (without parser) took 68762.13 ms. Allocated memory was 307.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 240.7 MB in the beginning and 192.8 MB in the end (delta: 47.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:50:32,331 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:50:32,332 INFO ]: ChcToBoogie took 94.21 ms. Allocated memory is still 307.2 MB. Free memory was 240.7 MB in the beginning and 237.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:50:32,333 INFO ]: Boogie Preprocessor took 93.29 ms. Allocated memory is still 307.2 MB. Free memory was 237.7 MB in the beginning and 236.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 17:50:32,333 INFO ]: RCFGBuilder took 470.66 ms. Allocated memory is still 307.2 MB. Free memory was 235.7 MB in the beginning and 207.5 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 3.6 GB. [2018-06-22 17:50:32,334 INFO ]: TraceAbstraction took 68084.07 ms. Allocated memory was 307.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 207.5 MB in the beginning and 192.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 17:50:32,346 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 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 94.21 ms. Allocated memory is still 307.2 MB. Free memory was 240.7 MB in the beginning and 237.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 93.29 ms. Allocated memory is still 307.2 MB. Free memory was 237.7 MB in the beginning and 236.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 470.66 ms. Allocated memory is still 307.2 MB. Free memory was 235.7 MB in the beginning and 207.5 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68084.07 ms. Allocated memory was 307.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 207.5 MB in the beginning and 192.8 MB in the end (delta: 14.8 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 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 18 quantified variables from 28 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.0s 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, 0.1s 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, 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/FIREFLY_5.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-50-32-360.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_5.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-50-32-360.csv Completed graceful shutdown