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_all.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:37:23,141 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:37:23,143 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:37:23,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:37:23,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:37:23,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:37:23,161 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:37:23,164 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:37:23,165 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:37:23,167 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:37:23,168 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:37:23,168 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:37:23,169 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:37:23,170 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:37:23,170 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:37:23,174 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:37:23,175 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:37:23,183 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:37:23,185 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:37:23,186 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:37:23,187 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:37:23,189 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:37:23,189 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:37:23,189 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:37:23,190 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:37:23,191 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:37:23,191 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:37:23,193 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:37:23,194 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:37:23,194 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:37:23,195 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:37:23,196 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:37:23,196 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:37:23,201 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:37:23,201 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:37:23,202 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 19:37:23,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:37:23,224 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:37:23,224 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:37:23,224 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:37:23,225 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:37:23,226 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:37:23,226 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:37:23,226 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:37:23,226 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:37:23,226 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:37:23,226 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:37:23,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:37:23,227 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:37:23,227 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:37:23,227 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:37:23,227 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:37:23,228 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:37:23,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:37:23,230 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:37:23,232 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:37:23,232 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:37:23,284 INFO ]: Repository-Root is: /tmp [2018-06-22 19:37:23,301 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:37:23,306 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:37:23,310 INFO ]: Initializing SmtParser... [2018-06-22 19:37:23,310 INFO ]: SmtParser initialized [2018-06-22 19:37:23,311 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_all.smt2 [2018-06-22 19:37:23,313 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 19:37:23,408 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_all.smt2 unknown [2018-06-22 19:37:24,061 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_all.smt2 [2018-06-22 19:37:24,065 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:37:24,071 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:37:24,072 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:37:24,072 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:37:24,072 INFO ]: ChcToBoogie initialized [2018-06-22 19:37:24,075 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:37:24" (1/1) ... [2018-06-22 19:37:24,171 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:37:24 Unit [2018-06-22 19:37:24,171 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:37:24,172 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:37:24,172 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:37:24,172 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:37:24,214 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:37:24" (1/1) ... [2018-06-22 19:37:24,215 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:37:24" (1/1) ... [2018-06-22 19:37:24,234 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:37:24" (1/1) ... [2018-06-22 19:37:24,234 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:37:24" (1/1) ... [2018-06-22 19:37:24,247 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:37:24" (1/1) ... [2018-06-22 19:37:24,248 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:37:24" (1/1) ... [2018-06-22 19:37:24,254 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:37:24" (1/1) ... [2018-06-22 19:37:24,260 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:37:24,261 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:37:24,261 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:37:24,261 INFO ]: RCFGBuilder initialized [2018-06-22 19:37:24,261 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:37:24" (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 19:37:24,271 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:37:24,271 INFO ]: Found specification of procedure False [2018-06-22 19:37:24,271 INFO ]: Found implementation of procedure False [2018-06-22 19:37:24,271 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:37:24,271 INFO ]: Found specification of procedure state [2018-06-22 19:37:24,271 INFO ]: Found implementation of procedure state [2018-06-22 19:37:24,271 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:37:24,271 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:37:24,271 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 19:37:24,883 INFO ]: Using library mode [2018-06-22 19:37:24,884 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:37:24 BoogieIcfgContainer [2018-06-22 19:37:24,884 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:37:24,885 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:37:24,885 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:37:24,891 INFO ]: TraceAbstraction initialized [2018-06-22 19:37:24,891 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:37:24" (1/3) ... [2018-06-22 19:37:24,892 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59777159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:37:24, skipping insertion in model container [2018-06-22 19:37:24,893 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:37:24" (2/3) ... [2018-06-22 19:37:24,893 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59777159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:37:24, skipping insertion in model container [2018-06-22 19:37:24,893 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:37:24" (3/3) ... [2018-06-22 19:37:24,895 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:37:24,905 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:37:24,915 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:37:24,967 INFO ]: Using default assertion order modulation [2018-06-22 19:37:24,967 INFO ]: Interprodecural is true [2018-06-22 19:37:24,967 INFO ]: Hoare is false [2018-06-22 19:37:24,967 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:37:24,967 INFO ]: Backedges is TWOTRACK [2018-06-22 19:37:24,967 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:37:24,967 INFO ]: Difference is false [2018-06-22 19:37:24,967 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:37:24,968 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:37:24,985 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:37:25,004 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:37:25,004 INFO ]: Found error trace [2018-06-22 19:37:25,005 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:37:25,005 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:37:25,011 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 19:37:25,013 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:37:25,013 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:37:25,051 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:37:25,051 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:37:25,051 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:37:25,200 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:37:25,492 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:37:25,495 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:37:25,495 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:37:25,497 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:37:25,511 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:37:25,512 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:37:25,513 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:37:25,674 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:37:25,675 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:37:25,676 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:37:25,677 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:37:25,678 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:37:25,691 INFO ]: With dead ends: 13 [2018-06-22 19:37:25,691 INFO ]: Without dead ends: 13 [2018-06-22 19:37:25,693 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 19:37:25,712 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:37:25,750 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:37:25,752 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:37:25,753 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:37:25,754 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:37:25,754 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:37:25,754 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:37:25,754 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:37:25,754 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:37:25,755 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:37:25,756 INFO ]: Found error trace [2018-06-22 19:37:25,756 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:37:25,756 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:37:25,756 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 19:37:25,756 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:37:25,756 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:37:25,757 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:37:25,757 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:37:25,757 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:37:25,927 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:37:29,524 WARN ]: Spent 3.12 s on a formula simplification. DAG size of input: 278 DAG size of output: 175 [2018-06-22 19:37:29,609 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:37:29,609 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:37:29,610 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 19:37:29,617 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:37:29,804 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:37:29,817 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 19:38:33,454 INFO ]: Timeout while computing interpolants [2018-06-22 19:38:33,655 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:38:33,655 WARN ]: Verification canceled [2018-06-22 19:38:33,659 WARN ]: Timeout [2018-06-22 19:38:33,659 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:38:33 BoogieIcfgContainer [2018-06-22 19:38:33,659 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:38:33,660 INFO ]: Toolchain (without parser) took 69594.43 ms. Allocated memory was 309.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 223.8 MB in the beginning and 1.1 GB in the end (delta: -838.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 19:38:33,661 INFO ]: SmtParser took 0.12 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:38:33,662 INFO ]: ChcToBoogie took 99.73 ms. Allocated memory is still 309.3 MB. Free memory was 223.8 MB in the beginning and 219.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:38:33,662 INFO ]: Boogie Preprocessor took 88.31 ms. Allocated memory is still 309.3 MB. Free memory was 219.8 MB in the beginning and 217.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:38:33,663 INFO ]: RCFGBuilder took 623.28 ms. Allocated memory was 309.3 MB in the beginning and 328.2 MB in the end (delta: 18.9 MB). Free memory was 217.8 MB in the beginning and 273.8 MB in the end (delta: -56.0 MB). Peak memory consumption was 34.9 MB. Max. memory is 3.6 GB. [2018-06-22 19:38:33,663 INFO ]: TraceAbstraction took 68774.43 ms. Allocated memory was 328.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 271.6 MB in the beginning and 1.1 GB in the end (delta: -790.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 19:38:33,670 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.12 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 99.73 ms. Allocated memory is still 309.3 MB. Free memory was 223.8 MB in the beginning and 219.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 88.31 ms. Allocated memory is still 309.3 MB. Free memory was 219.8 MB in the beginning and 217.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 623.28 ms. Allocated memory was 309.3 MB in the beginning and 328.2 MB in the end (delta: 18.9 MB). Free memory was 217.8 MB in the beginning and 273.8 MB in the end (delta: -56.0 MB). Peak memory consumption was 34.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68774.43 ms. Allocated memory was 328.2 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 271.6 MB in the beginning and 1.1 GB in the end (delta: -790.4 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 41 quantified variables from 55 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.7s 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_all.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-38-33-681.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/peterson_all.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-38-33-681.csv Completed graceful shutdown