java -Xss4m -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_Goto.epf -i /storage/chc-comp/sally-chc-benchmarks/approximate_agreement/approx.5.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 10:14:16,196 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 10:14:16,198 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 10:14:16,213 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 10:14:16,213 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 10:14:16,214 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 10:14:16,215 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 10:14:16,218 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 10:14:16,220 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 10:14:16,220 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 10:14:16,222 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 10:14:16,222 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 10:14:16,223 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 10:14:16,224 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 10:14:16,227 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 10:14:16,227 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 10:14:16,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 10:14:16,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 10:14:16,240 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 10:14:16,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 10:14:16,242 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 10:14:16,247 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 10:14:16,247 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 10:14:16,247 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 10:14:16,248 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 10:14:16,250 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 10:14:16,251 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 10:14:16,251 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 10:14:16,252 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 10:14:16,252 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 10:14:16,253 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 10:14:16,254 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 10:14:16,257 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 10:14:16,257 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 10:14:16,258 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 10:14:16,258 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 10:14:16,280 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 10:14:16,280 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 10:14:16,281 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 10:14:16,281 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 10:14:16,282 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 10:14:16,282 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 10:14:16,282 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 10:14:16,282 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 10:14:16,283 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 10:14:16,283 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 10:14:16,283 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 10:14:16,283 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 10:14:16,283 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 10:14:16,284 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 10:14:16,285 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 10:14:16,285 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 10:14:16,285 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 10:14:16,286 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 10:14:16,286 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 10:14:16,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 10:14:16,286 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 10:14:16,288 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 10:14:16,288 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 10:14:16,347 INFO ]: Repository-Root is: /tmp [2018-06-25 10:14:16,372 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 10:14:16,378 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 10:14:16,379 INFO ]: Initializing SmtParser... [2018-06-25 10:14:16,380 INFO ]: SmtParser initialized [2018-06-25 10:14:16,380 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/approximate_agreement/approx.5.smt2 [2018-06-25 10:14:16,382 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 [2018-06-25 10:14:16,480 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/approximate_agreement/approx.5.smt2 unknown [2018-06-25 10:14:17,019 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/approximate_agreement/approx.5.smt2 [2018-06-25 10:14:17,026 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 10:14:17,040 INFO ]: Walking toolchain with 4 elements. [2018-06-25 10:14:17,045 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 10:14:17,045 INFO ]: Initializing ChcToBoogie... [2018-06-25 10:14:17,046 INFO ]: ChcToBoogie initialized [2018-06-25 10:14:17,049 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 10:14:17" (1/1) ... [2018-06-25 10:14:17,166 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:14:17 Unit [2018-06-25 10:14:17,166 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 10:14:17,166 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 10:14:17,167 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 10:14:17,167 INFO ]: Boogie Preprocessor initialized [2018-06-25 10:14:17,185 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:14:17" (1/1) ... [2018-06-25 10:14:17,185 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:14:17" (1/1) ... [2018-06-25 10:14:17,199 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:14:17" (1/1) ... [2018-06-25 10:14:17,199 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:14:17" (1/1) ... [2018-06-25 10:14:17,215 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:14:17" (1/1) ... [2018-06-25 10:14:17,217 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:14:17" (1/1) ... [2018-06-25 10:14:17,220 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:14:17" (1/1) ... [2018-06-25 10:14:17,231 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 10:14:17,232 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 10:14:17,232 INFO ]: Initializing RCFGBuilder... [2018-06-25 10:14:17,232 INFO ]: RCFGBuilder initialized [2018-06-25 10:14:17,237 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:14:17" (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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 10:14:17,247 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 10:14:17,249 INFO ]: Found specification of procedure gotoProc [2018-06-25 10:14:17,249 INFO ]: Found implementation of procedure gotoProc [2018-06-25 10:14:17,249 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 10:14:17,249 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 10:14:17,249 INFO ]: Found implementation of procedure Ultimate.START [2018-06-25 10:14:17,629 INFO ]: Using library mode [2018-06-25 10:14:17,630 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 10:14:17 BoogieIcfgContainer [2018-06-25 10:14:17,630 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 10:14:17,631 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 10:14:17,631 INFO ]: Initializing TraceAbstraction... [2018-06-25 10:14:17,634 INFO ]: TraceAbstraction initialized [2018-06-25 10:14:17,635 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 10:14:17" (1/3) ... [2018-06-25 10:14:17,635 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f82290e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 10:14:17, skipping insertion in model container [2018-06-25 10:14:17,635 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 10:14:17" (2/3) ... [2018-06-25 10:14:17,636 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f82290e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 10:14:17, skipping insertion in model container [2018-06-25 10:14:17,636 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 10:14:17" (3/3) ... [2018-06-25 10:14:17,638 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 10:14:17,647 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 10:14:17,657 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 10:14:17,704 INFO ]: Using default assertion order modulation [2018-06-25 10:14:17,705 INFO ]: Interprodecural is true [2018-06-25 10:14:17,705 INFO ]: Hoare is false [2018-06-25 10:14:17,705 INFO ]: Compute interpolants for FPandBP [2018-06-25 10:14:17,705 INFO ]: Backedges is TWOTRACK [2018-06-25 10:14:17,705 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 10:14:17,705 INFO ]: Difference is false [2018-06-25 10:14:17,705 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 10:14:17,705 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 10:14:17,717 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 10:14:17,727 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 10:14:17,727 INFO ]: Found error trace [2018-06-25 10:14:17,728 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 10:14:17,728 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 10:14:17,731 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-25 10:14:17,733 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 10:14:17,733 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 10:14:17,765 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:14:17,765 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 10:14:17,765 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:14:17,970 INFO ]: Conjunction of SSA is unsat [2018-06-25 10:14:19,888 WARN ]: Spent 1.63 s on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2018-06-25 10:14:19,893 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 10:14:19,895 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 10:14:19,895 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 10:14:19,897 INFO ]: Interpolant automaton has 3 states [2018-06-25 10:14:19,911 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 10:14:19,911 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 10:14:19,913 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 10:14:19,980 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 10:14:19,980 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 10:14:19,981 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 10:14:19,982 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 10:14:19,982 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 10:14:19,991 INFO ]: With dead ends: 9 [2018-06-25 10:14:19,991 INFO ]: Without dead ends: 9 [2018-06-25 10:14:19,992 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 10:14:20,005 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 10:14:20,034 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 10:14:20,035 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 10:14:20,035 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 10:14:20,036 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 10:14:20,036 INFO ]: Finished accepts. word is rejected. [2018-06-25 10:14:20,036 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 10:14:20,036 INFO ]: Interpolant automaton has 3 states. [2018-06-25 10:14:20,037 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 10:14:20,037 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 10:14:20,037 INFO ]: Found error trace [2018-06-25 10:14:20,037 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 10:14:20,037 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 10:14:20,037 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-25 10:14:20,037 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 10:14:20,037 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 10:14:20,038 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:14:20,038 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 10:14:20,038 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 10:14:35,009 INFO ]: Conjunction of SSA is unsat Received shutdown request... [2018-06-25 10:15:09,389 WARN ]: Unable to check validity of interpolant: cancelled [2018-06-25 10:15:09,520 WARN ]: Unable to check validity of interpolant: cancelled [2018-06-25 10:15:09,524 WARN ]: Unable to check validity of interpolant: cancelled [2018-06-25 10:15:09,524 WARN ]: Unable to check validity of interpolant: cancelled [2018-06-25 10:15:09,524 WARN ]: Unable to check validity of interpolant: cancelled [2018-06-25 10:15:09,545 WARN ]: Verification canceled [2018-06-25 10:15:09,550 WARN ]: Timeout [2018-06-25 10:15:09,550 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 10:15:09 BoogieIcfgContainer [2018-06-25 10:15:09,550 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 10:15:09,551 INFO ]: Toolchain (without parser) took 52523.78 ms. Allocated memory was 307.2 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 246.6 MB in the beginning and 423.2 MB in the end (delta: -176.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-25 10:15:09,552 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 10:15:09,552 INFO ]: ChcToBoogie took 120.73 ms. Allocated memory is still 307.2 MB. Free memory was 246.6 MB in the beginning and 242.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-25 10:15:09,553 INFO ]: Boogie Preprocessor took 64.88 ms. Allocated memory is still 307.2 MB. Free memory was 242.6 MB in the beginning and 240.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 10:15:09,553 INFO ]: RCFGBuilder took 398.02 ms. Allocated memory is still 307.2 MB. Free memory was 240.6 MB in the beginning and 209.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 3.6 GB. [2018-06-25 10:15:09,554 INFO ]: TraceAbstraction took 51918.56 ms. Allocated memory was 307.2 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 209.5 MB in the beginning and 423.2 MB in the end (delta: -213.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-25 10:15:09,557 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 120.73 ms. Allocated memory is still 307.2 MB. Free memory was 246.6 MB in the beginning and 242.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 64.88 ms. Allocated memory is still 307.2 MB. Free memory was 242.6 MB in the beginning and 240.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 398.02 ms. Allocated memory is still 307.2 MB. Free memory was 240.6 MB in the beginning and 209.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 51918.56 ms. Allocated memory was 307.2 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 209.5 MB in the beginning and 423.2 MB in the end (delta: -213.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 1, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while NestedInterpolantsBuilder was constructing predicates for 7 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 51.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 1.9s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 1962 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/approx.5.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_10-15-09-567.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/approx.5.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_10-15-09-567.csv Completed graceful shutdown