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_Goto.epf -i /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_4_3_agreement.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 03:30:56,776 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 03:30:56,780 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 03:30:56,794 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 03:30:56,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 03:30:56,796 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 03:30:56,799 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 03:30:56,802 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 03:30:56,803 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 03:30:56,805 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 03:30:56,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 03:30:56,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 03:30:56,807 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 03:30:56,812 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 03:30:56,812 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 03:30:56,813 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 03:30:56,821 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 03:30:56,823 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 03:30:56,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 03:30:56,826 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 03:30:56,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 03:30:56,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 03:30:56,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 03:30:56,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 03:30:56,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 03:30:56,832 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 03:30:56,833 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 03:30:56,833 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 03:30:56,834 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 03:30:56,835 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 03:30:56,835 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 03:30:56,836 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 03:30:56,836 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 03:30:56,837 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 03:30:56,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 03:30:56,838 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 03:30:56,858 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 03:30:56,858 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 03:30:56,859 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 03:30:56,859 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 03:30:56,860 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 03:30:56,861 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 03:30:56,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 03:30:56,861 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 03:30:56,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 03:30:56,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 03:30:56,862 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 03:30:56,862 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 03:30:56,862 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 03:30:56,862 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 03:30:56,862 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 03:30:56,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 03:30:56,863 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 03:30:56,864 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 03:30:56,865 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 03:30:56,904 INFO ]: Repository-Root is: /tmp [2018-06-22 03:30:56,920 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 03:30:56,927 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 03:30:56,928 INFO ]: Initializing SmtParser... [2018-06-22 03:30:56,929 INFO ]: SmtParser initialized [2018-06-22 03:30:56,930 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_4_3_agreement.smt2 [2018-06-22 03:30:56,931 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 03:30:57,032 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_4_3_agreement.smt2 unknown [2018-06-22 03:30:57,423 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_4_3_agreement.smt2 [2018-06-22 03:30:57,427 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 03:30:57,442 INFO ]: Walking toolchain with 4 elements. [2018-06-22 03:30:57,443 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 03:30:57,443 INFO ]: Initializing ChcToBoogie... [2018-06-22 03:30:57,443 INFO ]: ChcToBoogie initialized [2018-06-22 03:30:57,451 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:30:57" (1/1) ... [2018-06-22 03:30:57,530 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:30:57 Unit [2018-06-22 03:30:57,530 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 03:30:57,531 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 03:30:57,531 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 03:30:57,531 INFO ]: Boogie Preprocessor initialized [2018-06-22 03:30:57,579 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:30:57" (1/1) ... [2018-06-22 03:30:57,579 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:30:57" (1/1) ... [2018-06-22 03:30:57,594 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:30:57" (1/1) ... [2018-06-22 03:30:57,594 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:30:57" (1/1) ... [2018-06-22 03:30:57,602 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:30:57" (1/1) ... [2018-06-22 03:30:57,603 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:30:57" (1/1) ... [2018-06-22 03:30:57,605 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:30:57" (1/1) ... [2018-06-22 03:30:57,608 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 03:30:57,609 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 03:30:57,609 INFO ]: Initializing RCFGBuilder... [2018-06-22 03:30:57,609 INFO ]: RCFGBuilder initialized [2018-06-22 03:30:57,610 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:30:57" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 03:30:57,643 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 03:30:57,643 INFO ]: Found specification of procedure gotoProc [2018-06-22 03:30:57,643 INFO ]: Found implementation of procedure gotoProc [2018-06-22 03:30:57,643 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 03:30:57,643 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 03:30:57,643 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 03:30:57,983 INFO ]: Using library mode [2018-06-22 03:30:57,984 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:30:57 BoogieIcfgContainer [2018-06-22 03:30:57,984 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 03:30:57,985 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 03:30:57,985 INFO ]: Initializing TraceAbstraction... [2018-06-22 03:30:57,993 INFO ]: TraceAbstraction initialized [2018-06-22 03:30:57,993 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:30:57" (1/3) ... [2018-06-22 03:30:57,994 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174bcb37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 03:30:57, skipping insertion in model container [2018-06-22 03:30:57,994 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:30:57" (2/3) ... [2018-06-22 03:30:57,995 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174bcb37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:30:57, skipping insertion in model container [2018-06-22 03:30:57,995 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:30:57" (3/3) ... [2018-06-22 03:30:57,997 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 03:30:58,007 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 03:30:58,019 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 03:30:58,059 INFO ]: Using default assertion order modulation [2018-06-22 03:30:58,060 INFO ]: Interprodecural is true [2018-06-22 03:30:58,060 INFO ]: Hoare is false [2018-06-22 03:30:58,060 INFO ]: Compute interpolants for FPandBP [2018-06-22 03:30:58,060 INFO ]: Backedges is TWOTRACK [2018-06-22 03:30:58,060 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 03:30:58,060 INFO ]: Difference is false [2018-06-22 03:30:58,060 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 03:30:58,060 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 03:30:58,075 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 03:30:58,086 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 03:30:58,086 INFO ]: Found error trace [2018-06-22 03:30:58,087 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:30:58,087 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:30:58,093 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 03:30:58,095 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:30:58,095 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:30:58,135 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:30:58,135 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:30:58,135 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:30:58,242 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:30:58,366 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:30:58,368 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 03:30:58,368 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 03:30:58,369 INFO ]: Interpolant automaton has 3 states [2018-06-22 03:30:58,383 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 03:30:58,385 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 03:30:58,388 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 03:30:58,499 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:30:58,500 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 03:30:58,501 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 03:30:58,502 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 03:30:58,503 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:30:58,516 INFO ]: With dead ends: 9 [2018-06-22 03:30:58,516 INFO ]: Without dead ends: 9 [2018-06-22 03:30:58,518 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 [2018-06-22 03:30:58,541 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 03:30:58,574 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 03:30:58,576 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 03:30:58,576 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 03:30:58,578 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 03:30:58,578 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:30:58,578 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 03:30:58,578 INFO ]: Interpolant automaton has 3 states. [2018-06-22 03:30:58,578 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 03:30:58,579 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 03:30:58,579 INFO ]: Found error trace [2018-06-22 03:30:58,579 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:30:58,579 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:30:58,579 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 03:30:58,579 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:30:58,579 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:30:58,580 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:30:58,580 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:30:58,580 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:30:58,723 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:30:58,930 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:30:58,930 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:30:58,930 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 03:30:58,938 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:30:59,102 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:30:59,115 INFO ]: Computing forward predicates... [2018-06-22 03:30:59,794 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:30:59,875 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 03:30:59,875 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-22 03:30:59,876 INFO ]: Interpolant automaton has 6 states [2018-06-22 03:30:59,876 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 03:30:59,876 INFO ]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-06-22 03:30:59,876 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-22 03:31:00,028 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:31:00,028 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 03:31:00,029 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 03:31:00,029 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-22 03:31:00,029 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:31:00,030 INFO ]: With dead ends: 11 [2018-06-22 03:31:00,030 INFO ]: Without dead ends: 11 [2018-06-22 03:31:00,031 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-06-22 03:31:00,031 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 03:31:00,032 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 03:31:00,032 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 03:31:00,033 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 03:31:00,036 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 03:31:00,036 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:31:00,036 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 03:31:00,036 INFO ]: Interpolant automaton has 6 states. [2018-06-22 03:31:00,036 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 03:31:00,036 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 03:31:00,036 INFO ]: Found error trace [2018-06-22 03:31:00,036 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:31:00,036 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:31:00,037 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 2 times [2018-06-22 03:31:00,037 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:31:00,037 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:31:00,038 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:31:00,040 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:31:00,040 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:31:00,389 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:31:01,396 WARN ]: Spent 419.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2018-06-22 03:31:03,513 WARN ]: Spent 2.03 s on a formula simplification. DAG size of input: 279 DAG size of output: 128 [2018-06-22 03:31:05,595 WARN ]: Spent 1.97 s on a formula simplification. DAG size of input: 340 DAG size of output: 119 [2018-06-22 03:31:05,839 WARN ]: Spent 223.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 34 [2018-06-22 03:31:05,841 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:31:05,842 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:31:05,842 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 [2018-06-22 03:31:05,855 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 03:31:05,986 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 03:31:05,986 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:31:05,995 INFO ]: Computing forward predicates... [2018-06-22 03:31:27,198 WARN ]: Simplifying disjunction of 8360 conjuctions. This might take some time... [2018-06-22 03:31:31,529 INFO ]: Simplified to disjunction of 8360 conjuctions. Received shutdown request... [2018-06-22 03:32:01,460 INFO ]: Timeout while computing interpolants [2018-06-22 03:32:01,662 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 03:32:01,662 WARN ]: Verification canceled [2018-06-22 03:32:01,809 WARN ]: Timeout [2018-06-22 03:32:01,809 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:32:01 BoogieIcfgContainer [2018-06-22 03:32:01,809 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 03:32:01,848 INFO ]: Toolchain (without parser) took 64419.67 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 256.1 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 03:32:01,850 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 03:32:01,850 INFO ]: ChcToBoogie took 87.27 ms. Allocated memory is still 308.8 MB. Free memory was 256.1 MB in the beginning and 253.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:32:01,851 INFO ]: Boogie Preprocessor took 77.97 ms. Allocated memory is still 308.8 MB. Free memory was 253.1 MB in the beginning and 251.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:32:01,851 INFO ]: RCFGBuilder took 374.81 ms. Allocated memory is still 308.8 MB. Free memory was 251.1 MB in the beginning and 230.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 3.6 GB. [2018-06-22 03:32:01,852 INFO ]: TraceAbstraction took 63824.04 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 229.1 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. [2018-06-22 03:32:01,864 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 87.27 ms. Allocated memory is still 308.8 MB. Free memory was 256.1 MB in the beginning and 253.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 77.97 ms. Allocated memory is still 308.8 MB. Free memory was 253.1 MB in the beginning and 251.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 374.81 ms. Allocated memory is still 308.8 MB. Free memory was 251.1 MB in the beginning and 230.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 63824.04 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 229.1 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 11 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 63.7s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 0 SDslu, 20 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 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, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 257 SizeOfPredicates, 1 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 5 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_4_3_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_03-32-01-911.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_4_3_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_03-32-01-911.csv Completed graceful shutdown