java -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/chccomp2018/chcToBoogie_automizer.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_3.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 16:25:30,132 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 16:25:30,134 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 16:25:30,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 16:25:30,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 16:25:30,151 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 16:25:30,152 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 16:25:30,155 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 16:25:30,157 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 16:25:30,159 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 16:25:30,160 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 16:25:30,160 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 16:25:30,161 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 16:25:30,164 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 16:25:30,165 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 16:25:30,166 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 16:25:30,167 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 16:25:30,178 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 16:25:30,179 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 16:25:30,180 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 16:25:30,181 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 16:25:30,185 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 16:25:30,185 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 16:25:30,186 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 16:25:30,187 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 16:25:30,187 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 16:25:30,188 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 16:25:30,191 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 16:25:30,193 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 16:25:30,193 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 16:25:30,194 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 16:25:30,194 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 16:25:30,195 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 16:25:30,198 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 16:25:30,199 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 16:25:30,199 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 16:25:30,221 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 16:25:30,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 16:25:30,222 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 16:25:30,222 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 16:25:30,224 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 16:25:30,224 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 16:25:30,224 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 16:25:30,224 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 16:25:30,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 16:25:30,225 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 16:25:30,227 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 16:25:30,227 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 16:25:30,227 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 16:25:30,227 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 16:25:30,227 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 16:25:30,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 16:25:30,228 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 16:25:30,229 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 16:25:30,234 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 16:25:30,295 INFO ]: Repository-Root is: /tmp [2018-06-18 16:25:30,310 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 16:25:30,317 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 16:25:30,319 INFO ]: Initializing SmtParser... [2018-06-18 16:25:30,319 INFO ]: SmtParser initialized [2018-06-18 16:25:30,320 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_3.smt2 [2018-06-18 16:25:30,321 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 [2018-06-18 16:25:30,414 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_3.smt2 unknown [2018-06-18 16:25:31,244 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_3.smt2 [2018-06-18 16:25:31,258 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 16:25:31,263 INFO ]: Walking toolchain with 4 elements. [2018-06-18 16:25:31,264 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 16:25:31,264 INFO ]: Initializing ChcToBoogie... [2018-06-18 16:25:31,264 INFO ]: ChcToBoogie initialized [2018-06-18 16:25:31,280 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:25:31" (1/1) ... [2018-06-18 16:25:31,419 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:25:31 Unit [2018-06-18 16:25:31,420 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 16:25:31,420 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 16:25:31,420 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 16:25:31,420 INFO ]: Boogie Preprocessor initialized [2018-06-18 16:25:31,443 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:25:31" (1/1) ... [2018-06-18 16:25:31,443 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:25:31" (1/1) ... [2018-06-18 16:25:31,464 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:25:31" (1/1) ... [2018-06-18 16:25:31,464 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:25:31" (1/1) ... [2018-06-18 16:25:31,485 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:25:31" (1/1) ... [2018-06-18 16:25:31,486 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:25:31" (1/1) ... [2018-06-18 16:25:31,491 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:25:31" (1/1) ... [2018-06-18 16:25:31,499 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 16:25:31,499 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 16:25:31,499 INFO ]: Initializing RCFGBuilder... [2018-06-18 16:25:31,499 INFO ]: RCFGBuilder initialized [2018-06-18 16:25:31,500 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:25:31" (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) [2018-06-18 16:25:31,513 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 16:25:31,513 INFO ]: Found specification of procedure False [2018-06-18 16:25:31,513 INFO ]: Found implementation of procedure False [2018-06-18 16:25:31,513 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 16:25:31,513 INFO ]: Found specification of procedure state [2018-06-18 16:25:31,513 INFO ]: Found implementation of procedure state [2018-06-18 16:25:31,514 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 16:25:31,514 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 16:25:31,514 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 [2018-06-18 16:25:32,130 INFO ]: Using library mode [2018-06-18 16:25:32,130 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:25:32 BoogieIcfgContainer [2018-06-18 16:25:32,131 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 16:25:32,132 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 16:25:32,132 INFO ]: Initializing TraceAbstraction... [2018-06-18 16:25:32,138 INFO ]: TraceAbstraction initialized [2018-06-18 16:25:32,138 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:25:31" (1/3) ... [2018-06-18 16:25:32,140 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db98258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 04:25:32, skipping insertion in model container [2018-06-18 16:25:32,140 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:25:31" (2/3) ... [2018-06-18 16:25:32,140 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db98258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 04:25:32, skipping insertion in model container [2018-06-18 16:25:32,140 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:25:32" (3/3) ... [2018-06-18 16:25:32,142 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 16:25:32,152 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 16:25:32,161 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 16:25:32,209 INFO ]: Using default assertion order modulation [2018-06-18 16:25:32,209 INFO ]: Interprodecural is true [2018-06-18 16:25:32,209 INFO ]: Hoare is false [2018-06-18 16:25:32,209 INFO ]: Compute interpolants for FPandBP [2018-06-18 16:25:32,209 INFO ]: Backedges is TWOTRACK [2018-06-18 16:25:32,209 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 16:25:32,209 INFO ]: Difference is false [2018-06-18 16:25:32,209 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 16:25:32,209 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 16:25:32,223 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 16:25:32,234 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 16:25:32,234 INFO ]: Found error trace [2018-06-18 16:25:32,235 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:25:32,235 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:25:32,241 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-18 16:25:32,243 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:25:32,243 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:25:32,285 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:25:32,286 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:25:32,286 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:25:32,445 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:25:32,455 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:25:32,715 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 16:25:32,717 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 16:25:32,717 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 16:25:32,719 INFO ]: Interpolant automaton has 4 states [2018-06-18 16:25:32,729 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 16:25:32,730 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 16:25:32,731 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 16:25:32,892 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 16:25:32,892 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 16:25:32,894 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 16:25:32,895 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 16:25:32,896 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 16:25:32,911 INFO ]: With dead ends: 13 [2018-06-18 16:25:32,911 INFO ]: Without dead ends: 13 [2018-06-18 16:25:32,914 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 [2018-06-18 16:25:32,932 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 16:25:32,954 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 16:25:32,956 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 16:25:32,956 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 16:25:32,958 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 16:25:32,958 INFO ]: Finished accepts. word is rejected. [2018-06-18 16:25:32,958 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 16:25:32,958 INFO ]: Interpolant automaton has 4 states. [2018-06-18 16:25:32,958 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 16:25:32,959 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 16:25:32,959 INFO ]: Found error trace [2018-06-18 16:25:32,960 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:25:32,960 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:25:32,960 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-18 16:25:32,960 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:25:32,960 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:25:32,961 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:25:32,961 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:25:32,961 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:25:33,107 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:25:33,108 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:25:34,844 WARN ]: Spent 1.25 s on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2018-06-18 16:25:34,898 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 16:25:34,899 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 16:25:34,899 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 [2018-06-18 16:25:34,907 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:25:35,153 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:25:35,166 INFO ]: Computing forward predicates... [2018-06-18 16:25:35,302 WARN ]: expecting exponential blowup for input size 13 [2018-06-18 16:25:35,310 WARN ]: expecting exponential blowup for input size 20 Received shutdown request... [2018-06-18 16:26:24,874 INFO ]: Timeout while computing interpolants [2018-06-18 16:26:25,075 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 16:26:25,075 WARN ]: Verification canceled [2018-06-18 16:26:25,079 WARN ]: Timeout [2018-06-18 16:26:25,079 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 04:26:25 BoogieIcfgContainer [2018-06-18 16:26:25,079 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 16:26:25,080 INFO ]: Toolchain (without parser) took 53821.66 ms. Allocated memory was 301.5 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 218.1 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-18 16:26:25,081 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 301.5 MB. Free memory is still 267.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 16:26:25,081 INFO ]: ChcToBoogie took 156.25 ms. Allocated memory is still 301.5 MB. Free memory was 217.1 MB in the beginning and 210.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:26:25,083 INFO ]: Boogie Preprocessor took 78.45 ms. Allocated memory is still 301.5 MB. Free memory was 210.1 MB in the beginning and 208.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. [2018-06-18 16:26:25,084 INFO ]: RCFGBuilder took 631.34 ms. Allocated memory was 301.5 MB in the beginning and 326.6 MB in the end (delta: 25.2 MB). Free memory was 208.0 MB in the beginning and 269.1 MB in the end (delta: -61.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 3.6 GB. [2018-06-18 16:26:25,084 INFO ]: TraceAbstraction took 52947.58 ms. Allocated memory was 326.6 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 269.1 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-18 16:26:25,086 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 301.5 MB. Free memory is still 267.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 156.25 ms. Allocated memory is still 301.5 MB. Free memory was 217.1 MB in the beginning and 210.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 78.45 ms. Allocated memory is still 301.5 MB. Free memory was 210.1 MB in the beginning and 208.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 631.34 ms. Allocated memory was 301.5 MB in the beginning and 326.6 MB in the end (delta: 25.2 MB). Free memory was 208.0 MB in the beginning and 269.1 MB in the end (delta: -61.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 3.6 GB. * TraceAbstraction took 52947.58 ms. Allocated memory was 326.6 MB in the beginning and 3.6 GB in the end (delta: 3.3 GB). Free memory was 269.1 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.3 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was transforming 20 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 52.8s 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, 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_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_16-26-25-104.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/peterson_3.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_16-26-25-104.csv Completed graceful shutdown