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_e8_1920.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 17:26:50,012 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 17:26:50,014 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 17:26:50,025 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 17:26:50,026 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 17:26:50,027 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 17:26:50,028 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 17:26:50,032 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 17:26:50,033 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 17:26:50,034 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 17:26:50,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 17:26:50,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 17:26:50,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 17:26:50,038 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 17:26:50,039 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 17:26:50,039 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 17:26:50,044 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 17:26:50,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 17:26:50,058 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 17:26:50,059 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 17:26:50,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 17:26:50,062 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 17:26:50,063 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 17:26:50,063 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 17:26:50,064 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 17:26:50,065 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 17:26:50,065 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 17:26:50,069 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 17:26:50,070 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 17:26:50,070 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 17:26:50,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 17:26:50,071 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 17:26:50,072 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 17:26:50,077 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 17:26:50,077 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 17:26:50,078 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 17:26:50,098 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 17:26:50,098 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 17:26:50,098 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 17:26:50,099 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 17:26:50,101 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 17:26:50,101 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 17:26:50,101 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 17:26:50,102 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 17:26:50,102 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 17:26:50,102 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 17:26:50,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 17:26:50,102 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 17:26:50,102 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 17:26:50,103 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 17:26:50,103 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 17:26:50,103 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 17:26:50,103 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 17:26:50,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 17:26:50,103 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 17:26:50,106 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 17:26:50,106 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 17:26:50,152 INFO ]: Repository-Root is: /tmp [2018-06-22 17:26:50,167 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 17:26:50,170 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 17:26:50,171 INFO ]: Initializing SmtParser... [2018-06-22 17:26:50,172 INFO ]: SmtParser initialized [2018-06-22 17:26:50,172 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460_e8_1920.smt2 [2018-06-22 17:26:50,174 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 17:26:50,255 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460_e8_1920.smt2 unknown [2018-06-22 17:26:50,818 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/fast_2_e8_460_e8_1920.smt2 [2018-06-22 17:26:50,822 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 17:26:50,829 INFO ]: Walking toolchain with 4 elements. [2018-06-22 17:26:50,829 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 17:26:50,829 INFO ]: Initializing ChcToBoogie... [2018-06-22 17:26:50,830 INFO ]: ChcToBoogie initialized [2018-06-22 17:26:50,833 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:26:50" (1/1) ... [2018-06-22 17:26:50,895 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:50 Unit [2018-06-22 17:26:50,896 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 17:26:50,896 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 17:26:50,896 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 17:26:50,896 INFO ]: Boogie Preprocessor initialized [2018-06-22 17:26:50,931 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:50" (1/1) ... [2018-06-22 17:26:50,931 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:50" (1/1) ... [2018-06-22 17:26:50,942 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:50" (1/1) ... [2018-06-22 17:26:50,942 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:50" (1/1) ... [2018-06-22 17:26:50,953 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:50" (1/1) ... [2018-06-22 17:26:50,954 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:50" (1/1) ... [2018-06-22 17:26:50,957 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:50" (1/1) ... [2018-06-22 17:26:50,961 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 17:26:50,961 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 17:26:50,961 INFO ]: Initializing RCFGBuilder... [2018-06-22 17:26:50,961 INFO ]: RCFGBuilder initialized [2018-06-22 17:26:50,962 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:50" (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 17:26:50,975 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 17:26:50,975 INFO ]: Found specification of procedure False [2018-06-22 17:26:50,975 INFO ]: Found implementation of procedure False [2018-06-22 17:26:50,975 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 17:26:50,976 INFO ]: Found specification of procedure state [2018-06-22 17:26:50,976 INFO ]: Found implementation of procedure state [2018-06-22 17:26:50,976 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 17:26:50,976 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 17:26:50,976 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 17:26:51,401 INFO ]: Using library mode [2018-06-22 17:26:51,401 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:26:51 BoogieIcfgContainer [2018-06-22 17:26:51,401 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 17:26:51,403 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 17:26:51,403 INFO ]: Initializing TraceAbstraction... [2018-06-22 17:26:51,407 INFO ]: TraceAbstraction initialized [2018-06-22 17:26:51,407 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:26:50" (1/3) ... [2018-06-22 17:26:51,408 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578da98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:26:51, skipping insertion in model container [2018-06-22 17:26:51,408 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:26:50" (2/3) ... [2018-06-22 17:26:51,408 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578da98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:26:51, skipping insertion in model container [2018-06-22 17:26:51,408 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:26:51" (3/3) ... [2018-06-22 17:26:51,411 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 17:26:51,420 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 17:26:51,430 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 17:26:51,477 INFO ]: Using default assertion order modulation [2018-06-22 17:26:51,478 INFO ]: Interprodecural is true [2018-06-22 17:26:51,478 INFO ]: Hoare is false [2018-06-22 17:26:51,478 INFO ]: Compute interpolants for FPandBP [2018-06-22 17:26:51,478 INFO ]: Backedges is TWOTRACK [2018-06-22 17:26:51,478 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 17:26:51,478 INFO ]: Difference is false [2018-06-22 17:26:51,478 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 17:26:51,478 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 17:26:51,491 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 17:26:51,501 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 17:26:51,501 INFO ]: Found error trace [2018-06-22 17:26:51,502 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:26:51,502 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:26:51,507 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 17:26:51,509 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:26:51,510 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:26:51,549 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:26:51,549 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:26:51,549 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:26:51,686 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:26:51,990 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 17:26:51,991 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 17:26:51,992 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 17:26:51,993 INFO ]: Interpolant automaton has 4 states [2018-06-22 17:26:52,003 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 17:26:52,003 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 17:26:52,005 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 17:26:52,152 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 17:26:52,153 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 17:26:52,153 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 17:26:52,154 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 17:26:52,155 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 17:26:52,163 INFO ]: With dead ends: 13 [2018-06-22 17:26:52,163 INFO ]: Without dead ends: 13 [2018-06-22 17:26:52,165 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 17:26:52,179 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 17:26:52,197 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 17:26:52,198 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 17:26:52,199 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 17:26:52,200 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 17:26:52,200 INFO ]: Finished accepts. word is rejected. [2018-06-22 17:26:52,200 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 17:26:52,200 INFO ]: Interpolant automaton has 4 states. [2018-06-22 17:26:52,200 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 17:26:52,201 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 17:26:52,201 INFO ]: Found error trace [2018-06-22 17:26:52,201 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 17:26:52,202 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 17:26:52,202 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 17:26:52,202 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 17:26:52,202 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 17:26:52,203 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:26:52,203 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:26:52,203 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 17:26:52,262 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:26:52,628 WARN ]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-06-22 17:26:52,773 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 17:26:52,773 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 17:26:52,773 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 17:26:52,781 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 17:26:52,969 INFO ]: Conjunction of SSA is unsat [2018-06-22 17:26:52,982 INFO ]: Computing forward predicates... [2018-06-22 17:26:53,654 WARN ]: expecting exponential blowup for input size 35 Received shutdown request... [2018-06-22 17:27:40,877 INFO ]: Timeout while computing interpolants [2018-06-22 17:27:41,078 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 17:27:41,078 WARN ]: Verification canceled [2018-06-22 17:27:41,084 WARN ]: Timeout [2018-06-22 17:27:41,084 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:27:41 BoogieIcfgContainer [2018-06-22 17:27:41,084 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 17:27:41,085 INFO ]: Toolchain (without parser) took 50261.90 ms. Allocated memory was 307.2 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 240.8 MB in the beginning and 1.1 GB in the end (delta: -846.2 MB). Peak memory consumption was 3.5 GB. Max. memory is 3.6 GB. [2018-06-22 17:27:41,087 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 307.2 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 17:27:41,087 INFO ]: ChcToBoogie took 66.51 ms. Allocated memory is still 307.2 MB. Free memory was 240.8 MB in the beginning and 237.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 17:27:41,088 INFO ]: Boogie Preprocessor took 64.29 ms. Allocated memory is still 307.2 MB. Free memory was 237.8 MB in the beginning and 236.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 17:27:41,088 INFO ]: RCFGBuilder took 440.09 ms. Allocated memory is still 307.2 MB. Free memory was 235.8 MB in the beginning and 200.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 3.6 GB. [2018-06-22 17:27:41,089 INFO ]: TraceAbstraction took 49681.24 ms. Allocated memory was 307.2 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 200.9 MB in the beginning and 1.1 GB in the end (delta: -886.1 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 17:27:41,103 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 307.2 MB. Free memory is still 272.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 66.51 ms. Allocated memory is still 307.2 MB. Free memory was 240.8 MB in the beginning and 237.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 64.29 ms. Allocated memory is still 307.2 MB. Free memory was 237.8 MB in the beginning and 236.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 440.09 ms. Allocated memory is still 307.2 MB. Free memory was 235.8 MB in the beginning and 200.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 49681.24 ms. Allocated memory was 307.2 MB in the beginning and 3.6 GB in the end (delta: 3.2 GB). Free memory was 200.9 MB in the beginning and 1.1 GB in the end (delta: -886.1 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 35 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 49.6s 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, 0.1s SatisfiabilityAnalysisTime, 0.2s 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_e8_1920.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_17-27-41-118.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/fast_2_e8_460_e8_1920.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_17-27-41-118.csv Completed graceful shutdown