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/MOESI_2_e2_1599_e3_1658.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-55b8104 [2018-06-18 16:22:42,029 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-18 16:22:42,031 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-18 16:22:42,047 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-18 16:22:42,047 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-18 16:22:42,048 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-18 16:22:42,052 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-18 16:22:42,054 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-18 16:22:42,056 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-18 16:22:42,058 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-18 16:22:42,059 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-18 16:22:42,059 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-18 16:22:42,060 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-18 16:22:42,061 INFO L177 SettingsManager]: ChcToBoogie provides no preferences, ignoring... [2018-06-18 16:22:42,061 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-18 16:22:42,066 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-18 16:22:42,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-18 16:22:42,080 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-18 16:22:42,082 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-18 16:22:42,083 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-18 16:22:42,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-18 16:22:42,086 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-18 16:22:42,086 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-18 16:22:42,087 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-18 16:22:42,088 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-18 16:22:42,088 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-18 16:22:42,089 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-18 16:22:42,090 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-18 16:22:42,091 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-18 16:22:42,091 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-18 16:22:42,092 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-18 16:22:42,092 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-18 16:22:42,093 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-18 16:22:42,093 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-18 16:22:42,094 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-18 16:22:42,094 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chccomp2018/chcToBoogie_automizer.epf [2018-06-18 16:22:42,107 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-18 16:22:42,107 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-18 16:22:42,108 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-18 16:22:42,108 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-18 16:22:42,109 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-18 16:22:42,109 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-18 16:22:42,110 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-18 16:22:42,110 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-18 16:22:42,110 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-18 16:22:42,110 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-18 16:22:42,110 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-18 16:22:42,111 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-18 16:22:42,111 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-18 16:22:42,111 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-18 16:22:42,111 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-18 16:22:42,111 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-18 16:22:42,115 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-18 16:22:42,117 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-18 16:22:42,117 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-18 16:22:42,165 INFO ]: Repository-Root is: /tmp [2018-06-18 16:22:42,182 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-18 16:22:42,187 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-18 16:22:42,189 INFO ]: Initializing SmtParser... [2018-06-18 16:22:42,189 INFO ]: SmtParser initialized [2018-06-18 16:22:42,190 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/MOESI_2_e2_1599_e3_1658.smt2 [2018-06-18 16:22:42,191 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 16:22:42,278 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MOESI_2_e2_1599_e3_1658.smt2 unknown [2018-06-18 16:22:42,742 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MOESI_2_e2_1599_e3_1658.smt2 [2018-06-18 16:22:42,747 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-18 16:22:42,753 INFO ]: Walking toolchain with 4 elements. [2018-06-18 16:22:42,753 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-18 16:22:42,753 INFO ]: Initializing ChcToBoogie... [2018-06-18 16:22:42,753 INFO ]: ChcToBoogie initialized [2018-06-18 16:22:42,762 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:22:42" (1/1) ... [2018-06-18 16:22:42,867 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:22:42 Unit [2018-06-18 16:22:42,867 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-18 16:22:42,868 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-18 16:22:42,868 INFO ]: Initializing Boogie Preprocessor... [2018-06-18 16:22:42,868 INFO ]: Boogie Preprocessor initialized [2018-06-18 16:22:42,890 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:22:42" (1/1) ... [2018-06-18 16:22:42,891 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:22:42" (1/1) ... [2018-06-18 16:22:42,915 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:22:42" (1/1) ... [2018-06-18 16:22:42,915 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:22:42" (1/1) ... [2018-06-18 16:22:42,931 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:22:42" (1/1) ... [2018-06-18 16:22:42,932 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:22:42" (1/1) ... [2018-06-18 16:22:42,935 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:22:42" (1/1) ... [2018-06-18 16:22:42,938 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-18 16:22:42,939 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-18 16:22:42,939 INFO ]: Initializing RCFGBuilder... [2018-06-18 16:22:42,939 INFO ]: RCFGBuilder initialized [2018-06-18 16:22:42,940 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:22:42" (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 16:22:42,950 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-18 16:22:42,950 INFO ]: Found specification of procedure False [2018-06-18 16:22:42,950 INFO ]: Found implementation of procedure False [2018-06-18 16:22:42,950 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-18 16:22:42,950 INFO ]: Found specification of procedure state [2018-06-18 16:22:42,950 INFO ]: Found implementation of procedure state [2018-06-18 16:22:42,950 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-18 16:22:42,950 INFO ]: Found specification of procedure Ultimate.START [2018-06-18 16:22:42,950 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 16:22:43,389 INFO ]: Using library mode [2018-06-18 16:22:43,390 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:22:43 BoogieIcfgContainer [2018-06-18 16:22:43,390 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-18 16:22:43,400 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-18 16:22:43,400 INFO ]: Initializing TraceAbstraction... [2018-06-18 16:22:43,404 INFO ]: TraceAbstraction initialized [2018-06-18 16:22:43,404 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 18.06 04:22:42" (1/3) ... [2018-06-18 16:22:43,405 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63556def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 18.06 04:22:43, skipping insertion in model container [2018-06-18 16:22:43,405 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 18.06 04:22:42" (2/3) ... [2018-06-18 16:22:43,405 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63556def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.06 04:22:43, skipping insertion in model container [2018-06-18 16:22:43,405 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.06 04:22:43" (3/3) ... [2018-06-18 16:22:43,407 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-18 16:22:43,418 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-18 16:22:43,435 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-18 16:22:43,479 INFO ]: Using default assertion order modulation [2018-06-18 16:22:43,480 INFO ]: Interprodecural is true [2018-06-18 16:22:43,480 INFO ]: Hoare is false [2018-06-18 16:22:43,480 INFO ]: Compute interpolants for FPandBP [2018-06-18 16:22:43,480 INFO ]: Backedges is TWOTRACK [2018-06-18 16:22:43,480 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-18 16:22:43,480 INFO ]: Difference is false [2018-06-18 16:22:43,480 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-18 16:22:43,480 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-18 16:22:43,498 INFO ]: Start isEmpty. Operand 13 states. [2018-06-18 16:22:43,510 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-18 16:22:43,510 INFO ]: Found error trace [2018-06-18 16:22:43,511 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:22:43,511 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:22:43,518 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-18 16:22:43,520 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:22:43,521 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:22:43,573 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:22:43,574 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:22:43,574 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:22:43,636 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:22:43,646 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:22:43,784 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-18 16:22:43,787 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-18 16:22:43,787 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-18 16:22:43,789 INFO ]: Interpolant automaton has 4 states [2018-06-18 16:22:43,803 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-18 16:22:43,804 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 16:22:43,806 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-18 16:22:43,929 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-18 16:22:43,929 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-18 16:22:43,930 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-18 16:22:43,931 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-18 16:22:43,931 INFO ]: Finished accepts. some prefix is accepted. [2018-06-18 16:22:43,944 INFO ]: With dead ends: 13 [2018-06-18 16:22:43,944 INFO ]: Without dead ends: 13 [2018-06-18 16:22:43,946 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-18 16:22:43,969 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-18 16:22:43,995 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-18 16:22:44,001 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-18 16:22:44,002 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-18 16:22:44,003 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-18 16:22:44,004 INFO ]: Finished accepts. word is rejected. [2018-06-18 16:22:44,004 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-18 16:22:44,004 INFO ]: Interpolant automaton has 4 states. [2018-06-18 16:22:44,004 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-18 16:22:44,005 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-18 16:22:44,005 INFO ]: Found error trace [2018-06-18 16:22:44,005 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-18 16:22:44,005 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-18 16:22:44,005 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-18 16:22:44,005 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-18 16:22:44,005 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-18 16:22:44,006 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:22:44,006 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:22:44,006 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-18 16:22:44,206 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:22:44,208 WARN ]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-06-18 16:22:47,159 WARN ]: Spent 2.41 s on a formula simplification. DAG size of input: 296 DAG size of output: 121 [2018-06-18 16:22:47,296 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-18 16:22:47,297 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-18 16:22:47,297 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 16:22:47,307 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-18 16:22:47,402 INFO ]: Conjunction of SSA is unsat [2018-06-18 16:22:47,416 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-18 16:23:50,748 INFO ]: Timeout while computing interpolants [2018-06-18 16:23:50,949 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-18 16:23:50,949 WARN ]: Verification canceled [2018-06-18 16:23:50,953 WARN ]: Timeout [2018-06-18 16:23:50,954 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.06 04:23:50 BoogieIcfgContainer [2018-06-18 16:23:50,954 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-18 16:23:50,954 INFO ]: Toolchain (without parser) took 68207.40 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 249.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 16:23:50,955 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 16:23:50,956 INFO ]: ChcToBoogie took 114.32 ms. Allocated memory is still 308.8 MB. Free memory was 247.2 MB in the beginning and 243.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:23:50,956 INFO ]: Boogie Preprocessor took 70.71 ms. Allocated memory is still 308.8 MB. Free memory is still 243.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-18 16:23:50,957 INFO ]: RCFGBuilder took 450.76 ms. Allocated memory is still 308.8 MB. Free memory was 243.3 MB in the beginning and 217.3 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 3.6 GB. [2018-06-18 16:23:50,957 INFO ]: TraceAbstraction took 67553.33 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 217.3 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-18 16:23:50,960 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 308.8 MB. Free memory is still 273.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 114.32 ms. Allocated memory is still 308.8 MB. Free memory was 247.2 MB in the beginning and 243.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 70.71 ms. Allocated memory is still 308.8 MB. Free memory is still 243.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * RCFGBuilder took 450.76 ms. Allocated memory is still 308.8 MB. Free memory was 243.3 MB in the beginning and 217.3 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 67553.33 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 217.3 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). 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 24 quantified variables from 43 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 67.4s 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, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 0.1s 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/MOESI_2_e2_1599_e3_1658.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-18_16-23-50-984.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/MOESI_2_e2_1599_e3_1658.smt2_chcToBoogie_automizer.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-18_16-23-50-984.csv Completed graceful shutdown