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/MOESI_1_e2_982_e7_492.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:28:20,031 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:28:20,034 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:28:20,048 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:28:20,048 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:28:20,050 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:28:20,051 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:28:20,054 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:28:20,055 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:28:20,056 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:28:20,058 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:28:20,058 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:28:20,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:28:20,060 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:28:20,060 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:28:20,063 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:28:20,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:28:20,073 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:28:20,075 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:28:20,076 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:28:20,077 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:28:20,083 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:28:20,083 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:28:20,083 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:28:20,084 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:28:20,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:28:20,086 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:28:20,090 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:28:20,090 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:28:20,091 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:28:20,091 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:28:20,092 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:28:20,092 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:28:20,096 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:28:20,097 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:28:20,097 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 19:28:20,117 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:28:20,117 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:28:20,117 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:28:20,117 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:28:20,118 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:28:20,118 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:28:20,119 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:28:20,119 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:28:20,120 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:28:20,120 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:28:20,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:28:20,120 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:28:20,120 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:28:20,121 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:28:20,121 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:28:20,121 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:28:20,121 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:28:20,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:28:20,121 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:28:20,123 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:28:20,123 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:28:20,172 INFO ]: Repository-Root is: /tmp [2018-06-22 19:28:20,188 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:28:20,193 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:28:20,194 INFO ]: Initializing SmtParser... [2018-06-22 19:28:20,195 INFO ]: SmtParser initialized [2018-06-22 19:28:20,195 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/MOESI_1_e2_982_e7_492.smt2 [2018-06-22 19:28:20,197 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 19:28:20,276 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MOESI_1_e2_982_e7_492.smt2 unknown [2018-06-22 19:28:20,740 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/MOESI_1_e2_982_e7_492.smt2 [2018-06-22 19:28:20,744 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:28:20,765 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:28:20,765 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:28:20,765 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:28:20,766 INFO ]: ChcToBoogie initialized [2018-06-22 19:28:20,769 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:28:20" (1/1) ... [2018-06-22 19:28:20,818 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:28:20 Unit [2018-06-22 19:28:20,818 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:28:20,819 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:28:20,819 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:28:20,819 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:28:20,840 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:28:20" (1/1) ... [2018-06-22 19:28:20,840 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:28:20" (1/1) ... [2018-06-22 19:28:20,849 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:28:20" (1/1) ... [2018-06-22 19:28:20,850 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:28:20" (1/1) ... [2018-06-22 19:28:20,856 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:28:20" (1/1) ... [2018-06-22 19:28:20,858 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:28:20" (1/1) ... [2018-06-22 19:28:20,860 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:28:20" (1/1) ... [2018-06-22 19:28:20,868 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:28:20,869 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:28:20,869 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:28:20,869 INFO ]: RCFGBuilder initialized [2018-06-22 19:28:20,870 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:28:20" (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 [2018-06-22 19:28:20,899 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:28:20,899 INFO ]: Found specification of procedure False [2018-06-22 19:28:20,899 INFO ]: Found implementation of procedure False [2018-06-22 19:28:20,899 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:28:20,899 INFO ]: Found specification of procedure state [2018-06-22 19:28:20,899 INFO ]: Found implementation of procedure state [2018-06-22 19:28:20,899 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:28:20,899 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:28:20,899 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 19:28:21,318 INFO ]: Using library mode [2018-06-22 19:28:21,318 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:28:21 BoogieIcfgContainer [2018-06-22 19:28:21,318 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:28:21,320 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:28:21,320 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:28:21,326 INFO ]: TraceAbstraction initialized [2018-06-22 19:28:21,326 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:28:20" (1/3) ... [2018-06-22 19:28:21,327 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417168d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:28:21, skipping insertion in model container [2018-06-22 19:28:21,327 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:28:20" (2/3) ... [2018-06-22 19:28:21,327 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417168d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:28:21, skipping insertion in model container [2018-06-22 19:28:21,327 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:28:21" (3/3) ... [2018-06-22 19:28:21,329 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:28:21,340 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:28:21,350 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:28:21,389 INFO ]: Using default assertion order modulation [2018-06-22 19:28:21,389 INFO ]: Interprodecural is true [2018-06-22 19:28:21,389 INFO ]: Hoare is false [2018-06-22 19:28:21,389 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:28:21,389 INFO ]: Backedges is TWOTRACK [2018-06-22 19:28:21,389 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:28:21,389 INFO ]: Difference is false [2018-06-22 19:28:21,389 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:28:21,389 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:28:21,405 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:28:21,415 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:28:21,416 INFO ]: Found error trace [2018-06-22 19:28:21,416 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:28:21,417 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:28:21,423 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 19:28:21,425 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:28:21,426 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:28:21,460 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:28:21,460 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:28:21,460 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:28:21,545 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:28:21,778 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:28:21,780 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:28:21,780 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:28:21,782 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:28:21,793 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:28:21,793 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:28:21,795 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:28:21,928 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:28:21,928 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:28:21,929 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:28:21,930 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:28:21,930 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:28:21,941 INFO ]: With dead ends: 13 [2018-06-22 19:28:21,941 INFO ]: Without dead ends: 13 [2018-06-22 19:28:21,943 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 19:28:21,961 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:28:21,982 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:28:21,983 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:28:21,984 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:28:21,985 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:28:21,985 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:28:21,985 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:28:21,985 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:28:21,985 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:28:21,987 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:28:21,987 INFO ]: Found error trace [2018-06-22 19:28:21,987 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:28:21,987 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:28:21,987 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 19:28:21,987 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:28:21,987 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:28:21,988 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:28:21,988 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:28:21,988 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:28:22,086 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:28:23,024 WARN ]: Spent 634.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 43 [2018-06-22 19:28:23,124 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:28:23,124 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:28:23,124 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 19:28:23,137 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:28:23,256 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:28:23,265 INFO ]: Computing forward predicates... [2018-06-22 19:28:24,189 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:28:24,190 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 19:28:24,487 WARN ]: Simplifying disjunction of 12960 conjuctions. This might take some time... [2018-06-22 19:28:53,841 INFO ]: Simplified to disjunction of 12960 conjuctions. [2018-06-22 19:28:53,960 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:28:53,961 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 19:28:54,503 WARN ]: Simplifying disjunction of 69120 conjuctions. This might take some time... Received shutdown request... [2018-06-22 19:29:41,986 INFO ]: Timeout while computing interpolants [2018-06-22 19:29:42,186 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:29:42,187 WARN ]: Verification canceled [2018-06-22 19:29:42,192 WARN ]: Timeout [2018-06-22 19:29:42,193 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:29:42 BoogieIcfgContainer [2018-06-22 19:29:42,193 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:29:42,194 INFO ]: Toolchain (without parser) took 81448.71 ms. Allocated memory was 307.2 MB in the beginning and 430.4 MB in the end (delta: 123.2 MB). Free memory was 247.7 MB in the beginning and 296.7 MB in the end (delta: -49.0 MB). Peak memory consumption was 211.6 MB. Max. memory is 3.6 GB. [2018-06-22 19:29:42,195 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:29:42,195 INFO ]: ChcToBoogie took 53.39 ms. Allocated memory is still 307.2 MB. Free memory was 247.7 MB in the beginning and 243.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:29:42,195 INFO ]: Boogie Preprocessor took 49.13 ms. Allocated memory is still 307.2 MB. Free memory was 243.7 MB in the beginning and 241.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:29:42,196 INFO ]: RCFGBuilder took 449.79 ms. Allocated memory is still 307.2 MB. Free memory was 241.7 MB in the beginning and 219.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:29:42,197 INFO ]: TraceAbstraction took 80872.67 ms. Allocated memory was 307.2 MB in the beginning and 430.4 MB in the end (delta: 123.2 MB). Free memory was 217.7 MB in the beginning and 296.7 MB in the end (delta: -79.0 MB). Peak memory consumption was 181.6 MB. Max. memory is 3.6 GB. [2018-06-22 19:29:42,212 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 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 53.39 ms. Allocated memory is still 307.2 MB. Free memory was 247.7 MB in the beginning and 243.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 49.13 ms. Allocated memory is still 307.2 MB. Free memory was 243.7 MB in the beginning and 241.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 449.79 ms. Allocated memory is still 307.2 MB. Free memory was 241.7 MB in the beginning and 219.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 80872.67 ms. Allocated memory was 307.2 MB in the beginning and 430.4 MB in the end (delta: 123.2 MB). Free memory was 217.7 MB in the beginning and 296.7 MB in the end (delta: -79.0 MB). Peak memory consumption was 181.6 MB. 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 XNF transformer was simplifying 69120 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 80.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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, 120 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_1_e2_982_e7_492.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-29-42-224.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/MOESI_1_e2_982_e7_492.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-29-42-224.csv Completed graceful shutdown