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_3_4_agreement.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 03:09:05,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 03:09:05,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 03:09:05,840 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 03:09:05,840 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 03:09:05,841 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 03:09:05,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 03:09:05,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 03:09:05,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 03:09:05,852 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 03:09:05,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 03:09:05,853 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 03:09:05,854 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 03:09:05,857 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 03:09:05,858 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 03:09:05,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 03:09:05,872 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 03:09:05,874 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 03:09:05,876 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 03:09:05,878 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 03:09:05,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 03:09:05,886 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 03:09:05,886 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 03:09:05,887 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 03:09:05,888 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 03:09:05,888 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 03:09:05,889 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 03:09:05,893 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 03:09:05,895 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 03:09:05,895 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 03:09:05,896 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 03:09:05,897 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 03:09:05,902 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 03:09:05,904 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 03:09:05,904 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 03:09:05,905 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 03:09:05,946 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 03:09:05,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 03:09:05,947 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 03:09:05,947 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 03:09:05,948 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 03:09:05,948 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 03:09:05,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 03:09:05,949 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 03:09:05,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 03:09:05,949 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 03:09:05,949 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 03:09:05,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 03:09:05,951 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 03:09:05,951 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 03:09:05,951 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 03:09:05,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 03:09:05,951 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 03:09:05,953 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 03:09:05,953 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 03:09:06,005 INFO ]: Repository-Root is: /tmp [2018-06-22 03:09:06,021 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 03:09:06,025 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 03:09:06,027 INFO ]: Initializing SmtParser... [2018-06-22 03:09:06,027 INFO ]: SmtParser initialized [2018-06-22 03:09:06,028 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_4_agreement.smt2 [2018-06-22 03:09:06,029 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 03:09:06,140 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_4_agreement.smt2 unknown [2018-06-22 03:09:06,587 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/oral_messages/om1_with_relays_general_3_4_agreement.smt2 [2018-06-22 03:09:06,593 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 03:09:06,599 INFO ]: Walking toolchain with 4 elements. [2018-06-22 03:09:06,600 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 03:09:06,600 INFO ]: Initializing ChcToBoogie... [2018-06-22 03:09:06,600 INFO ]: ChcToBoogie initialized [2018-06-22 03:09:06,604 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:09:06" (1/1) ... [2018-06-22 03:09:06,687 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:09:06 Unit [2018-06-22 03:09:06,687 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 03:09:06,689 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 03:09:06,689 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 03:09:06,689 INFO ]: Boogie Preprocessor initialized [2018-06-22 03:09:06,711 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:09:06" (1/1) ... [2018-06-22 03:09:06,711 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:09:06" (1/1) ... [2018-06-22 03:09:06,729 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:09:06" (1/1) ... [2018-06-22 03:09:06,730 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:09:06" (1/1) ... [2018-06-22 03:09:06,744 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:09:06" (1/1) ... [2018-06-22 03:09:06,746 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:09:06" (1/1) ... [2018-06-22 03:09:06,748 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:09:06" (1/1) ... [2018-06-22 03:09:06,751 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 03:09:06,752 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 03:09:06,752 INFO ]: Initializing RCFGBuilder... [2018-06-22 03:09:06,752 INFO ]: RCFGBuilder initialized [2018-06-22 03:09:06,753 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:09:06" (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 03:09:06,777 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 03:09:06,777 INFO ]: Found specification of procedure gotoProc [2018-06-22 03:09:06,777 INFO ]: Found implementation of procedure gotoProc [2018-06-22 03:09:06,777 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 03:09:06,777 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 03:09:06,777 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 03:09:07,200 INFO ]: Using library mode [2018-06-22 03:09:07,202 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:09:07 BoogieIcfgContainer [2018-06-22 03:09:07,202 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 03:09:07,204 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 03:09:07,204 INFO ]: Initializing TraceAbstraction... [2018-06-22 03:09:07,207 INFO ]: TraceAbstraction initialized [2018-06-22 03:09:07,207 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 03:09:06" (1/3) ... [2018-06-22 03:09:07,208 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1dfce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 03:09:07, skipping insertion in model container [2018-06-22 03:09:07,209 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 03:09:06" (2/3) ... [2018-06-22 03:09:07,209 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b1dfce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 03:09:07, skipping insertion in model container [2018-06-22 03:09:07,209 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 03:09:07" (3/3) ... [2018-06-22 03:09:07,211 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 03:09:07,222 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 03:09:07,235 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 03:09:07,289 INFO ]: Using default assertion order modulation [2018-06-22 03:09:07,289 INFO ]: Interprodecural is true [2018-06-22 03:09:07,289 INFO ]: Hoare is false [2018-06-22 03:09:07,289 INFO ]: Compute interpolants for FPandBP [2018-06-22 03:09:07,290 INFO ]: Backedges is TWOTRACK [2018-06-22 03:09:07,290 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 03:09:07,290 INFO ]: Difference is false [2018-06-22 03:09:07,290 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 03:09:07,290 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 03:09:07,314 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 03:09:07,326 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 03:09:07,327 INFO ]: Found error trace [2018-06-22 03:09:07,327 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:09:07,328 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:09:07,337 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-22 03:09:07,339 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:09:07,339 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:09:07,389 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:09:07,389 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:09:07,389 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:09:07,481 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:09:07,628 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:09:07,630 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 03:09:07,631 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 03:09:07,633 INFO ]: Interpolant automaton has 3 states [2018-06-22 03:09:07,650 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 03:09:07,651 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 03:09:07,654 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 03:09:07,761 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:09:07,762 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 03:09:07,762 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 03:09:07,764 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 03:09:07,764 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:09:07,776 INFO ]: With dead ends: 9 [2018-06-22 03:09:07,781 INFO ]: Without dead ends: 9 [2018-06-22 03:09:07,783 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 03:09:07,805 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 03:09:07,834 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 03:09:07,836 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 03:09:07,836 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 03:09:07,838 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 03:09:07,838 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:09:07,838 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 03:09:07,838 INFO ]: Interpolant automaton has 3 states. [2018-06-22 03:09:07,838 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 03:09:07,838 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 03:09:07,838 INFO ]: Found error trace [2018-06-22 03:09:07,838 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:09:07,839 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:09:07,840 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-22 03:09:07,840 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:09:07,840 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:09:07,841 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:09:07,841 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:09:07,841 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:09:07,952 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:09:08,121 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:09:08,121 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:09:08,121 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 03:09:08,129 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:09:08,302 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:09:08,314 INFO ]: Computing forward predicates... [2018-06-22 03:09:09,318 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:09:09,341 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 03:09:09,341 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-22 03:09:09,342 INFO ]: Interpolant automaton has 6 states [2018-06-22 03:09:09,342 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 03:09:09,342 INFO ]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 03:09:09,342 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-22 03:09:09,525 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 03:09:09,525 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 03:09:09,526 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 03:09:09,526 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-22 03:09:09,526 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 03:09:09,527 INFO ]: With dead ends: 11 [2018-06-22 03:09:09,527 INFO ]: Without dead ends: 11 [2018-06-22 03:09:09,528 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 03:09:09,528 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 03:09:09,529 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 03:09:09,529 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 03:09:09,529 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 03:09:09,533 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-06-22 03:09:09,533 INFO ]: Finished accepts. word is rejected. [2018-06-22 03:09:09,533 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 03:09:09,533 INFO ]: Interpolant automaton has 6 states. [2018-06-22 03:09:09,533 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 03:09:09,533 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 03:09:09,533 INFO ]: Found error trace [2018-06-22 03:09:09,533 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 03:09:09,534 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 03:09:09,534 INFO ]: Analyzing trace with hash 145098516, now seen corresponding path program 2 times [2018-06-22 03:09:09,534 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 03:09:09,534 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 03:09:09,535 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:09:09,535 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 03:09:09,535 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 03:09:09,807 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:09:10,585 WARN ]: Spent 183.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 13 [2018-06-22 03:09:13,156 WARN ]: Spent 2.49 s on a formula simplification. DAG size of input: 203 DAG size of output: 113 [2018-06-22 03:09:14,421 WARN ]: Spent 1.15 s on a formula simplification. DAG size of input: 263 DAG size of output: 121 [2018-06-22 03:09:15,321 WARN ]: Spent 772.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 41 [2018-06-22 03:09:15,324 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 03:09:15,325 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 03:09:15,325 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 03:09:15,341 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 03:09:15,533 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 03:09:15,533 INFO ]: Conjunction of SSA is unsat [2018-06-22 03:09:15,547 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 03:10:13,400 WARN ]: Removed 4901 from assertion stack [2018-06-22 03:10:13,400 INFO ]: Timeout while computing interpolants [2018-06-22 03:10:13,601 WARN ]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 03:10:13,601 WARN ]: Verification canceled [2018-06-22 03:10:13,605 WARN ]: Timeout [2018-06-22 03:10:13,605 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 03:10:13 BoogieIcfgContainer [2018-06-22 03:10:13,605 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 03:10:13,606 INFO ]: Toolchain (without parser) took 67012.49 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 255.1 MB in the beginning and 509.6 MB in the end (delta: -254.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 03:10:13,607 INFO ]: SmtParser took 0.11 ms. Allocated memory is still 305.7 MB. Free memory is still 271.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 03:10:13,607 INFO ]: ChcToBoogie took 88.28 ms. Allocated memory is still 305.7 MB. Free memory was 254.1 MB in the beginning and 252.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:10:13,608 INFO ]: Boogie Preprocessor took 62.50 ms. Allocated memory is still 305.7 MB. Free memory was 252.1 MB in the beginning and 250.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 03:10:13,608 INFO ]: RCFGBuilder took 450.84 ms. Allocated memory is still 305.7 MB. Free memory was 250.2 MB in the beginning and 230.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 3.6 GB. [2018-06-22 03:10:13,609 INFO ]: TraceAbstraction took 66401.03 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 230.9 MB in the beginning and 509.6 MB in the end (delta: -278.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 03:10:13,613 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.11 ms. Allocated memory is still 305.7 MB. Free memory is still 271.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 88.28 ms. Allocated memory is still 305.7 MB. Free memory was 254.1 MB in the beginning and 252.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 62.50 ms. Allocated memory is still 305.7 MB. Free memory was 252.1 MB in the beginning and 250.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 450.84 ms. Allocated memory is still 305.7 MB. Free memory was 250.2 MB in the beginning and 230.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 66401.03 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 230.9 MB in the beginning and 509.6 MB in the end (delta: -278.6 MB). 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 PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 5661. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 66.3s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 0 SDslu, 20 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s 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, 285 SizeOfPredicates, 1 NumberOfNonLiveVariables, 275 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_3_4_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_03-10-13-624.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/om1_with_relays_general_3_4_agreement.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_03-10-13-624.csv Completed graceful shutdown