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/tramway.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 20:46:34,148 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 20:46:34,150 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 20:46:34,161 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 20:46:34,162 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 20:46:34,163 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 20:46:34,164 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 20:46:34,168 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 20:46:34,169 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 20:46:34,171 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 20:46:34,172 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 20:46:34,172 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 20:46:34,173 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 20:46:34,174 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 20:46:34,178 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 20:46:34,179 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 20:46:34,181 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 20:46:34,194 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 20:46:34,195 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 20:46:34,196 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 20:46:34,197 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 20:46:34,199 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 20:46:34,199 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 20:46:34,200 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 20:46:34,204 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 20:46:34,205 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 20:46:34,206 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 20:46:34,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 20:46:34,207 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 20:46:34,207 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 20:46:34,208 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 20:46:34,214 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 20:46:34,215 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 20:46:34,216 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 20:46:34,216 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 20:46:34,216 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 20:46:34,235 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 20:46:34,235 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 20:46:34,236 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 20:46:34,236 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 20:46:34,237 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 20:46:34,237 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 20:46:34,237 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 20:46:34,238 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 20:46:34,238 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 20:46:34,238 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 20:46:34,238 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:46:34,238 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 20:46:34,239 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 20:46:34,240 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 20:46:34,240 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 20:46:34,240 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 20:46:34,240 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 20:46:34,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 20:46:34,241 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 20:46:34,242 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 20:46:34,242 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 20:46:34,296 INFO ]: Repository-Root is: /tmp [2018-06-22 20:46:34,314 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 20:46:34,317 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 20:46:34,319 INFO ]: Initializing SmtParser... [2018-06-22 20:46:34,319 INFO ]: SmtParser initialized [2018-06-22 20:46:34,320 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/tramway.smt2 [2018-06-22 20:46:34,321 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 [2018-06-22 20:46:34,412 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/tramway.smt2 unknown [2018-06-22 20:46:34,836 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/tramway.smt2 [2018-06-22 20:46:34,841 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 20:46:34,846 INFO ]: Walking toolchain with 4 elements. [2018-06-22 20:46:34,847 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 20:46:34,847 INFO ]: Initializing ChcToBoogie... [2018-06-22 20:46:34,847 INFO ]: ChcToBoogie initialized [2018-06-22 20:46:34,850 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:46:34" (1/1) ... [2018-06-22 20:46:34,952 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:46:34 Unit [2018-06-22 20:46:34,952 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 20:46:34,953 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 20:46:34,953 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 20:46:34,953 INFO ]: Boogie Preprocessor initialized [2018-06-22 20:46:34,984 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:46:34" (1/1) ... [2018-06-22 20:46:34,984 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:46:34" (1/1) ... [2018-06-22 20:46:34,995 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:46:34" (1/1) ... [2018-06-22 20:46:34,995 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:46:34" (1/1) ... [2018-06-22 20:46:35,008 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:46:34" (1/1) ... [2018-06-22 20:46:35,009 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:46:34" (1/1) ... [2018-06-22 20:46:35,020 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:46:34" (1/1) ... [2018-06-22 20:46:35,023 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 20:46:35,024 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 20:46:35,024 INFO ]: Initializing RCFGBuilder... [2018-06-22 20:46:35,024 INFO ]: RCFGBuilder initialized [2018-06-22 20:46:35,025 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:46:34" (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 20:46:35,047 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 20:46:35,047 INFO ]: Found specification of procedure False [2018-06-22 20:46:35,047 INFO ]: Found implementation of procedure False [2018-06-22 20:46:35,047 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 20:46:35,048 INFO ]: Found specification of procedure state [2018-06-22 20:46:35,048 INFO ]: Found implementation of procedure state [2018-06-22 20:46:35,048 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 20:46:35,048 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 20:46:35,048 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 20:46:35,499 INFO ]: Using library mode [2018-06-22 20:46:35,500 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:46:35 BoogieIcfgContainer [2018-06-22 20:46:35,500 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 20:46:35,505 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 20:46:35,505 INFO ]: Initializing TraceAbstraction... [2018-06-22 20:46:35,508 INFO ]: TraceAbstraction initialized [2018-06-22 20:46:35,508 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:46:34" (1/3) ... [2018-06-22 20:46:35,509 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7c45a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:46:35, skipping insertion in model container [2018-06-22 20:46:35,509 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:46:34" (2/3) ... [2018-06-22 20:46:35,511 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7c45a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:46:35, skipping insertion in model container [2018-06-22 20:46:35,511 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:46:35" (3/3) ... [2018-06-22 20:46:35,513 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 20:46:35,523 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 20:46:35,535 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 20:46:35,581 INFO ]: Using default assertion order modulation [2018-06-22 20:46:35,581 INFO ]: Interprodecural is true [2018-06-22 20:46:35,581 INFO ]: Hoare is false [2018-06-22 20:46:35,581 INFO ]: Compute interpolants for FPandBP [2018-06-22 20:46:35,582 INFO ]: Backedges is TWOTRACK [2018-06-22 20:46:35,582 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 20:46:35,582 INFO ]: Difference is false [2018-06-22 20:46:35,582 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 20:46:35,582 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 20:46:35,595 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 20:46:35,614 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 20:46:35,614 INFO ]: Found error trace [2018-06-22 20:46:35,615 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:46:35,615 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:46:35,622 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 20:46:35,624 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:46:35,625 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:46:35,663 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:46:35,663 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:46:35,663 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:46:35,755 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:46:35,979 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 20:46:35,981 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 20:46:35,981 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 20:46:35,983 INFO ]: Interpolant automaton has 4 states [2018-06-22 20:46:35,998 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 20:46:35,999 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:46:36,005 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 20:46:36,155 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 20:46:36,155 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 20:46:36,156 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 20:46:36,157 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 20:46:36,158 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 20:46:36,172 INFO ]: With dead ends: 13 [2018-06-22 20:46:36,172 INFO ]: Without dead ends: 13 [2018-06-22 20:46:36,178 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 20:46:36,195 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 20:46:36,219 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 20:46:36,221 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 20:46:36,221 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 20:46:36,222 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 20:46:36,223 INFO ]: Finished accepts. word is rejected. [2018-06-22 20:46:36,223 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 20:46:36,223 INFO ]: Interpolant automaton has 4 states. [2018-06-22 20:46:36,223 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 20:46:36,224 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 20:46:36,224 INFO ]: Found error trace [2018-06-22 20:46:36,224 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:46:36,224 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:46:36,224 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 20:46:36,225 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:46:36,225 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:46:36,225 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:46:36,226 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:46:36,226 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:46:36,294 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:46:36,893 WARN ]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-06-22 20:46:37,139 WARN ]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-06-22 20:46:37,266 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 20:46:37,266 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 20:46:37,266 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 20:46:37,285 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:46:37,404 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:46:37,415 INFO ]: Computing forward predicates... [2018-06-22 20:46:38,099 WARN ]: expecting exponential blowup for input size 16 Received shutdown request... [2018-06-22 20:47:24,097 INFO ]: Timeout while computing interpolants [2018-06-22 20:47:24,298 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 20:47:24,298 WARN ]: Verification canceled [2018-06-22 20:47:24,303 WARN ]: Timeout [2018-06-22 20:47:24,303 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:47:24 BoogieIcfgContainer [2018-06-22 20:47:24,303 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:47:24,305 INFO ]: Toolchain (without parser) took 49462.44 ms. Allocated memory was 308.8 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 248.4 MB in the beginning and 1.2 GB in the end (delta: -965.4 MB). Peak memory consumption was 3.4 GB. Max. memory is 3.6 GB. [2018-06-22 20:47:24,306 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:47:24,306 INFO ]: ChcToBoogie took 105.43 ms. Allocated memory is still 308.8 MB. Free memory was 248.4 MB in the beginning and 245.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:47:24,306 INFO ]: Boogie Preprocessor took 70.75 ms. Allocated memory is still 308.8 MB. Free memory was 245.4 MB in the beginning and 244.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. [2018-06-22 20:47:24,307 INFO ]: RCFGBuilder took 476.26 ms. Allocated memory is still 308.8 MB. Free memory was 244.3 MB in the beginning and 216.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 3.6 GB. [2018-06-22 20:47:24,307 INFO ]: TraceAbstraction took 48798.44 ms. Allocated memory was 308.8 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 215.1 MB in the beginning and 1.2 GB in the end (delta: -998.7 MB). Peak memory consumption was 3.3 GB. Max. memory is 3.6 GB. [2018-06-22 20:47:24,318 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 308.8 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 105.43 ms. Allocated memory is still 308.8 MB. Free memory was 248.4 MB in the beginning and 245.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 70.75 ms. Allocated memory is still 308.8 MB. Free memory was 245.4 MB in the beginning and 244.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 3.6 GB. * RCFGBuilder took 476.26 ms. Allocated memory is still 308.8 MB. Free memory was 244.3 MB in the beginning and 216.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 48798.44 ms. Allocated memory was 308.8 MB in the beginning and 3.5 GB in the end (delta: 3.2 GB). Free memory was 215.1 MB in the beginning and 1.2 GB in the end (delta: -998.7 MB). 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 16 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 48.7s 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tramway.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-47-24-338.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tramway.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-47-24-338.csv Completed graceful shutdown