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/peterson_3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:36:28,016 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:36:28,018 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:36:28,033 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:36:28,033 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:36:28,034 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:36:28,035 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:36:28,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:36:28,041 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:36:28,042 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:36:28,043 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:36:28,043 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:36:28,044 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:36:28,045 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:36:28,045 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:36:28,046 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:36:28,055 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:36:28,057 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:36:28,058 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:36:28,061 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:36:28,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:36:28,064 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:36:28,064 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:36:28,065 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:36:28,066 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:36:28,066 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:36:28,067 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:36:28,068 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:36:28,069 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:36:28,069 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:36:28,069 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:36:28,070 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:36:28,070 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:36:28,071 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:36:28,072 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:36:28,072 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 19:36:28,087 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:36:28,088 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:36:28,088 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:36:28,088 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:36:28,089 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:36:28,089 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:36:28,090 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:36:28,090 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:36:28,091 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:36:28,091 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:36:28,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:36:28,091 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:36:28,091 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:36:28,092 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:36:28,092 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:36:28,092 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:36:28,092 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:36:28,092 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:36:28,093 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:36:28,096 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:36:28,096 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:36:28,149 INFO ]: Repository-Root is: /tmp [2018-06-22 19:36:28,164 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:36:28,170 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:36:28,171 INFO ]: Initializing SmtParser... [2018-06-22 19:36:28,171 INFO ]: SmtParser initialized [2018-06-22 19:36:28,172 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_3.smt2 [2018-06-22 19:36:28,174 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 19:36:28,266 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_3.smt2 unknown [2018-06-22 19:36:28,998 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_3.smt2 [2018-06-22 19:36:29,002 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:36:29,017 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:36:29,018 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:36:29,018 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:36:29,018 INFO ]: ChcToBoogie initialized [2018-06-22 19:36:29,021 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:36:29" (1/1) ... [2018-06-22 19:36:29,100 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:36:29 Unit [2018-06-22 19:36:29,100 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:36:29,101 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:36:29,101 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:36:29,101 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:36:29,125 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:36:29" (1/1) ... [2018-06-22 19:36:29,125 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:36:29" (1/1) ... [2018-06-22 19:36:29,143 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:36:29" (1/1) ... [2018-06-22 19:36:29,144 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:36:29" (1/1) ... [2018-06-22 19:36:29,156 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:36:29" (1/1) ... [2018-06-22 19:36:29,157 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:36:29" (1/1) ... [2018-06-22 19:36:29,162 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:36:29" (1/1) ... [2018-06-22 19:36:29,168 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:36:29,169 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:36:29,169 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:36:29,169 INFO ]: RCFGBuilder initialized [2018-06-22 19:36:29,170 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:36:29" (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 19:36:29,184 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:36:29,184 INFO ]: Found specification of procedure False [2018-06-22 19:36:29,184 INFO ]: Found implementation of procedure False [2018-06-22 19:36:29,184 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:36:29,184 INFO ]: Found specification of procedure state [2018-06-22 19:36:29,184 INFO ]: Found implementation of procedure state [2018-06-22 19:36:29,184 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:36:29,184 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:36:29,184 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 19:36:29,751 INFO ]: Using library mode [2018-06-22 19:36:29,751 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:36:29 BoogieIcfgContainer [2018-06-22 19:36:29,752 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:36:29,753 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:36:29,753 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:36:29,759 INFO ]: TraceAbstraction initialized [2018-06-22 19:36:29,759 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:36:29" (1/3) ... [2018-06-22 19:36:29,760 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b388aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:36:29, skipping insertion in model container [2018-06-22 19:36:29,760 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:36:29" (2/3) ... [2018-06-22 19:36:29,760 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b388aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:36:29, skipping insertion in model container [2018-06-22 19:36:29,760 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:36:29" (3/3) ... [2018-06-22 19:36:29,762 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:36:29,772 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:36:29,782 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:36:29,830 INFO ]: Using default assertion order modulation [2018-06-22 19:36:29,831 INFO ]: Interprodecural is true [2018-06-22 19:36:29,831 INFO ]: Hoare is false [2018-06-22 19:36:29,831 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:36:29,831 INFO ]: Backedges is TWOTRACK [2018-06-22 19:36:29,831 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:36:29,831 INFO ]: Difference is false [2018-06-22 19:36:29,831 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:36:29,831 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:36:29,848 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:36:29,861 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:36:29,861 INFO ]: Found error trace [2018-06-22 19:36:29,862 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:36:29,862 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:36:29,868 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 19:36:29,870 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:36:29,871 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:36:29,919 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:36:29,919 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:36:29,919 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:36:30,064 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:36:30,393 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:36:30,395 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:36:30,395 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:36:30,397 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:36:30,411 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:36:30,411 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:36:30,413 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:36:30,591 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:36:30,591 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:36:30,592 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:36:30,594 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:36:30,594 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:36:30,608 INFO ]: With dead ends: 13 [2018-06-22 19:36:30,608 INFO ]: Without dead ends: 13 [2018-06-22 19:36:30,611 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 19:36:30,629 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:36:30,652 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:36:30,654 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:36:30,654 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:36:30,655 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:36:30,656 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:36:30,656 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:36:30,656 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:36:30,656 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:36:30,657 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:36:30,657 INFO ]: Found error trace [2018-06-22 19:36:30,657 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:36:30,657 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:36:30,658 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 19:36:30,658 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:36:30,658 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:36:30,658 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:36:30,658 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:36:30,659 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:36:30,777 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:36:31,874 WARN ]: Spent 760.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2018-06-22 19:36:31,985 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:36:31,985 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:36:31,985 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 19:36:32,000 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:36:32,252 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:36:32,269 INFO ]: Computing forward predicates... [2018-06-22 19:36:33,034 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:36:33,043 WARN ]: expecting exponential blowup for input size 15 Received shutdown request... [2018-06-22 19:37:17,709 INFO ]: Timeout while computing interpolants [2018-06-22 19:37:17,910 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:37:17,911 WARN ]: Verification canceled [2018-06-22 19:37:17,916 WARN ]: Timeout [2018-06-22 19:37:17,918 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:37:17 BoogieIcfgContainer [2018-06-22 19:37:17,918 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:37:17,919 INFO ]: Toolchain (without parser) took 48916.07 ms. Allocated memory was 302.5 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 219.1 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. [2018-06-22 19:37:17,920 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 302.5 MB. Free memory is still 268.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:37:17,920 INFO ]: ChcToBoogie took 82.60 ms. Allocated memory is still 302.5 MB. Free memory was 219.1 MB in the beginning and 215.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:37:17,921 INFO ]: Boogie Preprocessor took 67.88 ms. Allocated memory is still 302.5 MB. Free memory was 215.1 MB in the beginning and 213.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:37:17,921 INFO ]: RCFGBuilder took 582.57 ms. Allocated memory was 302.5 MB in the beginning and 324.5 MB in the end (delta: 22.0 MB). Free memory was 213.2 MB in the beginning and 271.4 MB in the end (delta: -58.2 MB). Peak memory consumption was 37.4 MB. Max. memory is 3.6 GB. [2018-06-22 19:37:17,922 INFO ]: TraceAbstraction took 48165.21 ms. Allocated memory was 324.5 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 271.4 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.2 GB. Max. memory is 3.6 GB. [2018-06-22 19:37:17,933 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 302.5 MB. Free memory is still 268.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 82.60 ms. Allocated memory is still 302.5 MB. Free memory was 219.1 MB in the beginning and 215.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 67.88 ms. Allocated memory is still 302.5 MB. Free memory was 215.1 MB in the beginning and 213.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 582.57 ms. Allocated memory was 302.5 MB in the beginning and 324.5 MB in the end (delta: 22.0 MB). Free memory was 213.2 MB in the beginning and 271.4 MB in the end (delta: -58.2 MB). Peak memory consumption was 37.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 48165.21 ms. Allocated memory was 324.5 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 271.4 MB in the beginning and 1.4 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.2 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 transforming 15 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 48.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s 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, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/peterson_3.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-37-17-943.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/peterson_3.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-37-17-943.csv Completed graceful shutdown