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/oral_messages/om1_with_relays_general_5_3_validity.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 11:31:32,774 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 11:31:32,775 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 11:31:32,790 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 11:31:32,790 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 11:31:32,791 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 11:31:32,792 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 11:31:32,796 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 11:31:32,797 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 11:31:32,798 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 11:31:32,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 11:31:32,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 11:31:32,802 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 11:31:32,803 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 11:31:32,806 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 11:31:32,807 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 11:31:32,809 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 11:31:32,823 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 11:31:32,824 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 11:31:32,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 11:31:32,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 11:31:32,833 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 11:31:32,833 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 11:31:32,833 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 11:31:32,834 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 11:31:32,835 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 11:31:32,836 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 11:31:32,837 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 11:31:32,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 11:31:32,838 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 11:31:32,844 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 11:31:32,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 11:31:32,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 11:31:32,846 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 11:31:32,847 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 11:31:32,847 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 11:31:32,876 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 11:31:32,876 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 11:31:32,876 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 11:31:32,877 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 11:31:32,877 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 11:31:32,878 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 11:31:32,879 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 11:31:32,879 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 11:31:32,879 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 11:31:32,879 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 11:31:32,880 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 11:31:32,880 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 11:31:32,880 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 11:31:32,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 11:31:32,880 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 11:31:32,881 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 11:31:32,881 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 11:31:32,881 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 11:31:32,881 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 11:31:32,881 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 11:31:32,882 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 11:31:32,884 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 11:31:32,884 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 11:31:32,936 INFO ]: Repository-Root is: /tmp [2018-06-25 11:31:32,949 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 11:31:32,955 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 11:31:32,957 INFO ]: Initializing SmtParser... [2018-06-25 11:31:32,957 INFO ]: SmtParser initialized [2018-06-25 11:31:32,958 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_3_validity.smt2 [2018-06-25 11:31:32,959 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 11:31:33,051 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_3_validity.smt2 unknown [2018-06-25 11:31:33,367 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_5_3_validity.smt2 [2018-06-25 11:31:33,372 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 11:31:33,379 INFO ]: Walking toolchain with 4 elements. [2018-06-25 11:31:33,379 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 11:31:33,379 INFO ]: Initializing ChcToBoogie... [2018-06-25 11:31:33,379 INFO ]: ChcToBoogie initialized [2018-06-25 11:31:33,383 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 11:31:33" (1/1) ... [2018-06-25 11:31:33,446 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 11:31:33 Unit [2018-06-25 11:31:33,446 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 11:31:33,446 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 11:31:33,446 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 11:31:33,446 INFO ]: Boogie Preprocessor initialized [2018-06-25 11:31:33,466 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 11:31:33" (1/1) ... [2018-06-25 11:31:33,466 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 11:31:33" (1/1) ... [2018-06-25 11:31:33,487 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 11:31:33" (1/1) ... [2018-06-25 11:31:33,487 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 11:31:33" (1/1) ... [2018-06-25 11:31:33,494 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 11:31:33" (1/1) ... [2018-06-25 11:31:33,504 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 11:31:33" (1/1) ... [2018-06-25 11:31:33,506 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 11:31:33" (1/1) ... [2018-06-25 11:31:33,509 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 11:31:33,510 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 11:31:33,510 INFO ]: Initializing RCFGBuilder... [2018-06-25 11:31:33,510 INFO ]: RCFGBuilder initialized [2018-06-25 11:31:33,511 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 11:31:33" (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 11:31:33,540 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 11:31:33,540 INFO ]: Found specification of procedure gotoProc [2018-06-25 11:31:33,540 INFO ]: Found implementation of procedure gotoProc [2018-06-25 11:31:33,540 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 11:31:33,540 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 11:31:33,540 INFO ]: Found implementation of procedure Ultimate.START [2018-06-25 11:31:33,941 INFO ]: Using library mode [2018-06-25 11:31:33,947 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 11:31:33 BoogieIcfgContainer [2018-06-25 11:31:33,947 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 11:31:33,948 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 11:31:33,948 INFO ]: Initializing TraceAbstraction... [2018-06-25 11:31:33,952 INFO ]: TraceAbstraction initialized [2018-06-25 11:31:33,953 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 11:31:33" (1/3) ... [2018-06-25 11:31:33,953 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbc5fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 11:31:33, skipping insertion in model container [2018-06-25 11:31:33,954 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 11:31:33" (2/3) ... [2018-06-25 11:31:33,954 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbc5fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 11:31:33, skipping insertion in model container [2018-06-25 11:31:33,954 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 11:31:33" (3/3) ... [2018-06-25 11:31:33,956 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 11:31:33,964 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 11:31:33,975 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 11:31:34,025 INFO ]: Using default assertion order modulation [2018-06-25 11:31:34,025 INFO ]: Interprodecural is true [2018-06-25 11:31:34,025 INFO ]: Hoare is false [2018-06-25 11:31:34,025 INFO ]: Compute interpolants for FPandBP [2018-06-25 11:31:34,025 INFO ]: Backedges is TWOTRACK [2018-06-25 11:31:34,025 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 11:31:34,026 INFO ]: Difference is false [2018-06-25 11:31:34,026 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 11:31:34,026 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 11:31:34,043 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 11:31:34,059 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 11:31:34,061 INFO ]: Found error trace [2018-06-25 11:31:34,062 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 11:31:34,062 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 11:31:34,068 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-25 11:31:34,071 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 11:31:34,071 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 11:31:34,120 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 11:31:34,120 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 11:31:34,120 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 11:31:34,209 INFO ]: Conjunction of SSA is unsat [2018-06-25 11:31:34,346 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 11:31:34,348 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 11:31:34,348 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 11:31:34,349 INFO ]: Interpolant automaton has 3 states [2018-06-25 11:31:34,359 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 11:31:34,360 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 11:31:34,362 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 11:31:34,444 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 11:31:34,444 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 11:31:34,444 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 11:31:34,446 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 11:31:34,446 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 11:31:34,456 INFO ]: With dead ends: 9 [2018-06-25 11:31:34,456 INFO ]: Without dead ends: 9 [2018-06-25 11:31:34,458 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 11:31:34,478 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 11:31:34,507 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 11:31:34,511 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 11:31:34,511 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 11:31:34,512 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 11:31:34,513 INFO ]: Finished accepts. word is rejected. [2018-06-25 11:31:34,513 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 11:31:34,513 INFO ]: Interpolant automaton has 3 states. [2018-06-25 11:31:34,513 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 11:31:34,513 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 11:31:34,513 INFO ]: Found error trace [2018-06-25 11:31:34,513 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 11:31:34,513 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 11:31:34,513 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-25 11:31:34,513 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 11:31:34,513 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 11:31:34,514 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 11:31:34,514 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 11:31:34,514 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 11:31:34,612 INFO ]: Conjunction of SSA is unsat [2018-06-25 11:31:34,841 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 11:31:34,842 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 11:31:34,842 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) [2018-06-25 11:31:34,856 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 11:31:35,000 INFO ]: Conjunction of SSA is unsat [2018-06-25 11:31:35,011 INFO ]: Computing forward predicates... [2018-06-25 11:31:35,969 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 11:31:35,989 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 11:31:35,989 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-06-25 11:31:35,991 INFO ]: Interpolant automaton has 5 states [2018-06-25 11:31:35,991 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-25 11:31:35,991 INFO ]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-25 11:31:35,991 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-06-25 11:31:36,130 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 11:31:36,130 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-25 11:31:36,131 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 11:31:36,131 INFO ]: Start accepts. Automaton has 5 states. Word has length 8 [2018-06-25 11:31:36,131 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 11:31:36,132 INFO ]: With dead ends: 11 [2018-06-25 11:31:36,132 INFO ]: Without dead ends: 11 [2018-06-25 11:31:36,132 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-25 11:31:36,133 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-25 11:31:36,134 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-25 11:31:36,134 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-25 11:31:36,134 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-25 11:31:36,134 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-25 11:31:36,134 INFO ]: Finished accepts. word is rejected. [2018-06-25 11:31:36,134 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-25 11:31:36,134 INFO ]: Interpolant automaton has 5 states. [2018-06-25 11:31:36,134 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-25 11:31:36,134 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-25 11:31:36,134 INFO ]: Found error trace [2018-06-25 11:31:36,134 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 11:31:36,135 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 11:31:36,135 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-25 11:31:36,135 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 11:31:36,135 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 11:31:36,136 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 11:31:36,136 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 11:31:36,136 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 11:31:36,469 INFO ]: Conjunction of SSA is unsat [2018-06-25 11:31:37,288 WARN ]: Spent 207.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2018-06-25 11:31:39,623 WARN ]: Spent 2.27 s on a formula simplification. DAG size of input: 242 DAG size of output: 164 [2018-06-25 11:31:40,338 WARN ]: Spent 628.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 116 [2018-06-25 11:31:40,450 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 11:31:40,450 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 11:31:40,450 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 11:31:40,462 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-25 11:31:40,628 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-25 11:31:40,629 INFO ]: Conjunction of SSA is unsat [2018-06-25 11:31:40,637 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-25 11:32:46,733 INFO ]: Timeout while computing interpolants [2018-06-25 11:32:46,934 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 11:32:46,934 WARN ]: Verification canceled [2018-06-25 11:32:46,938 WARN ]: Timeout [2018-06-25 11:32:46,939 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 11:32:46 BoogieIcfgContainer [2018-06-25 11:32:46,939 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 11:32:46,940 INFO ]: Toolchain (without parser) took 73567.00 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 256.3 MB in the beginning and 678.0 MB in the end (delta: -421.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-25 11:32:46,946 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 11:32:46,946 INFO ]: ChcToBoogie took 66.93 ms. Allocated memory is still 309.9 MB. Free memory was 256.3 MB in the beginning and 252.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-25 11:32:46,947 INFO ]: Boogie Preprocessor took 62.86 ms. Allocated memory is still 309.9 MB. Free memory is still 252.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 11:32:46,947 INFO ]: RCFGBuilder took 437.32 ms. Allocated memory is still 309.9 MB. Free memory was 252.3 MB in the beginning and 228.3 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 3.6 GB. [2018-06-25 11:32:46,947 INFO ]: TraceAbstraction took 72990.26 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 228.3 MB in the beginning and 678.0 MB in the end (delta: -449.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-25 11:32:46,950 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 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 66.93 ms. Allocated memory is still 309.9 MB. Free memory was 256.3 MB in the beginning and 252.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 62.86 ms. Allocated memory is still 309.9 MB. Free memory is still 252.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * RCFGBuilder took 437.32 ms. Allocated memory is still 309.9 MB. Free memory was 252.3 MB in the beginning and 228.3 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 72990.26 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 228.3 MB in the beginning and 678.0 MB in the end (delta: -449.8 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 11 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 9 quantified variables from 4 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 72.9s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 0 SDslu, 20 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 237 SizeOfPredicates, 1 NumberOfNonLiveVariables, 342 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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/om1_with_relays_general_5_3_validity.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_11-32-46-964.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_5_3_validity.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_11-32-46-964.csv Completed graceful shutdown