java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/cav12/mem_slave_tlm.2.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 14:07:10,778 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 14:07:10,783 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 14:07:10,800 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 14:07:10,800 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 14:07:10,801 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 14:07:10,802 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 14:07:10,806 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 14:07:10,809 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 14:07:10,811 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 14:07:10,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 14:07:10,812 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 14:07:10,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 14:07:10,816 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 14:07:10,817 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 14:07:10,818 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 14:07:10,830 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 14:07:10,832 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 14:07:10,834 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 14:07:10,835 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 14:07:10,836 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 14:07:10,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 14:07:10,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 14:07:10,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 14:07:10,841 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 14:07:10,842 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 14:07:10,843 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 14:07:10,844 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 14:07:10,845 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 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[2018-06-22 14:07:10,848 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 14:07:10,877 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 14:07:10,877 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 14:07:10,878 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 14:07:10,878 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 14:07:10,879 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 14:07:10,879 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 14:07:10,879 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 14:07:10,879 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 14:07:10,880 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 14:07:10,880 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 14:07:10,880 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 14:07:10,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 14:07:10,880 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 14:07:10,881 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 14:07:10,882 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 14:07:10,882 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 14:07:10,882 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 14:07:10,882 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 14:07:10,883 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 14:07:10,884 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 14:07:10,884 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 14:07:10,923 INFO ]: Repository-Root is: /tmp [2018-06-22 14:07:10,934 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 14:07:10,938 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 14:07:10,939 INFO ]: Initializing SmtParser... [2018-06-22 14:07:10,940 INFO ]: SmtParser initialized [2018-06-22 14:07:10,940 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/cav12/mem_slave_tlm.2.smt2 [2018-06-22 14:07:10,942 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 14:07:11,039 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/mem_slave_tlm.2.smt2 unknown [2018-06-22 14:07:11,990 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/cav12/mem_slave_tlm.2.smt2 [2018-06-22 14:07:11,994 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 14:07:12,003 INFO ]: Walking toolchain with 4 elements. [2018-06-22 14:07:12,003 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 14:07:12,003 INFO ]: Initializing ChcToBoogie... [2018-06-22 14:07:12,003 INFO ]: ChcToBoogie initialized [2018-06-22 14:07:12,010 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:07:11" (1/1) ... [2018-06-22 14:07:12,085 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:07:12 Unit [2018-06-22 14:07:12,085 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 14:07:12,086 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 14:07:12,086 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 14:07:12,086 INFO ]: Boogie Preprocessor initialized [2018-06-22 14:07:12,109 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:07:12" (1/1) ... [2018-06-22 14:07:12,110 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:07:12" (1/1) ... [2018-06-22 14:07:12,134 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:07:12" (1/1) ... [2018-06-22 14:07:12,135 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:07:12" (1/1) ... [2018-06-22 14:07:12,164 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:07:12" (1/1) ... [2018-06-22 14:07:12,165 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:07:12" (1/1) ... [2018-06-22 14:07:12,171 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:07:12" (1/1) ... [2018-06-22 14:07:12,183 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 14:07:12,183 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 14:07:12,183 INFO ]: Initializing RCFGBuilder... [2018-06-22 14:07:12,183 INFO ]: RCFGBuilder initialized [2018-06-22 14:07:12,184 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:07:12" (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 14:07:12,200 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 14:07:12,200 INFO ]: Found specification of procedure False [2018-06-22 14:07:12,200 INFO ]: Found implementation of procedure False [2018-06-22 14:07:12,200 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 14:07:12,200 INFO ]: Found specification of procedure state [2018-06-22 14:07:12,200 INFO ]: Found implementation of procedure state [2018-06-22 14:07:12,200 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 14:07:12,200 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 14:07:12,200 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 14:07:12,734 INFO ]: Using library mode [2018-06-22 14:07:12,734 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:07:12 BoogieIcfgContainer [2018-06-22 14:07:12,735 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 14:07:12,739 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 14:07:12,739 INFO ]: Initializing TraceAbstraction... [2018-06-22 14:07:12,744 INFO ]: TraceAbstraction initialized [2018-06-22 14:07:12,745 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 02:07:11" (1/3) ... [2018-06-22 14:07:12,745 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6838372d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 02:07:12, skipping insertion in model container [2018-06-22 14:07:12,745 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 02:07:12" (2/3) ... [2018-06-22 14:07:12,746 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6838372d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 02:07:12, skipping insertion in model container [2018-06-22 14:07:12,746 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 02:07:12" (3/3) ... [2018-06-22 14:07:12,747 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 14:07:12,757 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 14:07:12,768 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 14:07:12,821 INFO ]: Using default assertion order modulation [2018-06-22 14:07:12,822 INFO ]: Interprodecural is true [2018-06-22 14:07:12,822 INFO ]: Hoare is false [2018-06-22 14:07:12,822 INFO ]: Compute interpolants for FPandBP [2018-06-22 14:07:12,822 INFO ]: Backedges is TWOTRACK [2018-06-22 14:07:12,822 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 14:07:12,822 INFO ]: Difference is false [2018-06-22 14:07:12,822 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 14:07:12,822 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 14:07:12,839 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 14:07:12,851 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 14:07:12,851 INFO ]: Found error trace [2018-06-22 14:07:12,852 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 14:07:12,852 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 14:07:12,858 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 14:07:12,860 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 14:07:12,861 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 14:07:12,912 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:07:12,912 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 14:07:12,912 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:07:12,963 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:07:13,129 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 14:07:13,131 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 14:07:13,132 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 14:07:13,134 INFO ]: Interpolant automaton has 4 states [2018-06-22 14:07:13,146 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 14:07:13,146 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 14:07:13,148 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 14:07:13,327 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 14:07:13,327 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 14:07:13,329 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 14:07:13,330 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 14:07:13,330 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 14:07:13,344 INFO ]: With dead ends: 13 [2018-06-22 14:07:13,344 INFO ]: Without dead ends: 13 [2018-06-22 14:07:13,346 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 14:07:13,366 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 14:07:13,399 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 14:07:13,400 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 14:07:13,401 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 14:07:13,402 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 14:07:13,402 INFO ]: Finished accepts. word is rejected. [2018-06-22 14:07:13,402 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 14:07:13,402 INFO ]: Interpolant automaton has 4 states. [2018-06-22 14:07:13,402 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 14:07:13,403 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 14:07:13,403 INFO ]: Found error trace [2018-06-22 14:07:13,404 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 14:07:13,404 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 14:07:13,404 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 14:07:13,404 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 14:07:13,404 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 14:07:13,405 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:07:13,405 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 14:07:13,405 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:07:13,593 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:07:13,988 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 14:07:13,988 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 14:07:13,988 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 14:07:13,995 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 14:07:14,153 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:07:14,168 INFO ]: Computing forward predicates... [2018-06-22 14:07:16,743 WARN ]: Spent 2.11 s on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2018-06-22 14:07:16,977 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 14:07:17,002 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 14:07:17,002 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-06-22 14:07:17,002 INFO ]: Interpolant automaton has 9 states [2018-06-22 14:07:17,003 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 14:07:17,003 INFO ]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-06-22 14:07:17,003 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 9 states. [2018-06-22 14:07:17,975 WARN ]: Spent 874.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2018-06-22 14:07:18,234 WARN ]: Spent 158.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2018-06-22 14:07:18,269 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 14:07:18,269 INFO ]: Finished difference Result 15 states and 16 transitions. [2018-06-22 14:07:18,269 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 14:07:18,270 INFO ]: Start accepts. Automaton has 9 states. Word has length 13 [2018-06-22 14:07:18,270 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 14:07:18,270 INFO ]: With dead ends: 15 [2018-06-22 14:07:18,270 INFO ]: Without dead ends: 15 [2018-06-22 14:07:18,271 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-06-22 14:07:18,271 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-22 14:07:18,274 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-22 14:07:18,274 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-22 14:07:18,274 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-06-22 14:07:18,274 INFO ]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2018-06-22 14:07:18,274 INFO ]: Finished accepts. word is rejected. [2018-06-22 14:07:18,275 INFO ]: Abstraction has 15 states and 16 transitions. [2018-06-22 14:07:18,275 INFO ]: Interpolant automaton has 9 states. [2018-06-22 14:07:18,275 INFO ]: Start isEmpty. Operand 15 states and 16 transitions. [2018-06-22 14:07:18,275 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 14:07:18,275 INFO ]: Found error trace [2018-06-22 14:07:18,275 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 14:07:18,275 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 14:07:18,275 INFO ]: Analyzing trace with hash -1486246934, now seen corresponding path program 2 times [2018-06-22 14:07:18,275 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 14:07:18,275 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 14:07:18,276 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:07:18,276 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 14:07:18,276 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:07:18,461 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:07:18,888 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 14:07:18,888 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 14:07:18,888 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 14:07:18,897 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 14:07:19,081 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 14:07:19,081 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:07:19,098 INFO ]: Computing forward predicates... [2018-06-22 14:07:21,035 WARN ]: Spent 1.64 s on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2018-06-22 14:07:21,935 WARN ]: Spent 703.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2018-06-22 14:07:22,316 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 14:07:22,338 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 14:07:22,338 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2018-06-22 14:07:22,338 INFO ]: Interpolant automaton has 12 states [2018-06-22 14:07:22,338 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 14:07:22,338 INFO ]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-06-22 14:07:22,339 INFO ]: Start difference. First operand 15 states and 16 transitions. Second operand 12 states. [2018-06-22 14:07:23,699 WARN ]: Spent 1.31 s on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2018-06-22 14:07:23,851 WARN ]: Spent 108.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 17 [2018-06-22 14:07:24,410 WARN ]: Spent 526.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 40 [2018-06-22 14:07:26,063 WARN ]: Spent 1.61 s on a formula simplification. DAG size of input: 94 DAG size of output: 72 [2018-06-22 14:07:26,124 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 14:07:26,124 INFO ]: Finished difference Result 19 states and 20 transitions. [2018-06-22 14:07:26,124 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 14:07:26,124 INFO ]: Start accepts. Automaton has 12 states. Word has length 17 [2018-06-22 14:07:26,125 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 14:07:26,125 INFO ]: With dead ends: 19 [2018-06-22 14:07:26,125 INFO ]: Without dead ends: 19 [2018-06-22 14:07:26,125 INFO ]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-06-22 14:07:26,126 INFO ]: Start minimizeSevpa. Operand 19 states. [2018-06-22 14:07:26,128 INFO ]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-06-22 14:07:26,128 INFO ]: Start removeUnreachable. Operand 19 states. [2018-06-22 14:07:26,129 INFO ]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-06-22 14:07:26,129 INFO ]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 17 [2018-06-22 14:07:26,129 INFO ]: Finished accepts. word is rejected. [2018-06-22 14:07:26,130 INFO ]: Abstraction has 19 states and 20 transitions. [2018-06-22 14:07:26,130 INFO ]: Interpolant automaton has 12 states. [2018-06-22 14:07:26,130 INFO ]: Start isEmpty. Operand 19 states and 20 transitions. [2018-06-22 14:07:26,130 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 14:07:26,130 INFO ]: Found error trace [2018-06-22 14:07:26,130 INFO ]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 14:07:26,131 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 14:07:26,131 INFO ]: Analyzing trace with hash -434924750, now seen corresponding path program 3 times [2018-06-22 14:07:26,131 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 14:07:26,131 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 14:07:26,131 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:07:26,131 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 14:07:26,131 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:07:26,383 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:07:26,908 WARN ]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-06-22 14:07:27,059 WARN ]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-06-22 14:07:27,310 INFO ]: Checked inductivity of 36 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-06-22 14:07:27,310 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 14:07:27,310 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 14:07:27,321 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-22 14:07:27,565 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-06-22 14:07:27,566 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:07:27,583 INFO ]: Computing forward predicates... [2018-06-22 14:07:29,559 WARN ]: Spent 1.63 s on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2018-06-22 14:07:35,196 WARN ]: Spent 5.03 s on a formula simplification. DAG size of input: 111 DAG size of output: 91 [2018-06-22 14:07:38,647 WARN ]: Spent 2.84 s on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2018-06-22 14:07:40,198 WARN ]: Spent 1.37 s on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2018-06-22 14:07:40,897 INFO ]: Checked inductivity of 36 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-06-22 14:07:40,925 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 14:07:40,925 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2018-06-22 14:07:40,926 INFO ]: Interpolant automaton has 20 states [2018-06-22 14:07:40,926 INFO ]: Constructing interpolant automaton starting with 20 interpolants. [2018-06-22 14:07:40,926 INFO ]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2018-06-22 14:07:40,926 INFO ]: Start difference. First operand 19 states and 20 transitions. Second operand 20 states. [2018-06-22 14:07:42,797 WARN ]: Spent 1.81 s on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2018-06-22 14:07:43,025 WARN ]: Spent 162.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 35 [2018-06-22 14:07:43,268 WARN ]: Spent 205.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 44 [2018-06-22 14:07:43,852 WARN ]: Spent 512.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 60 [2018-06-22 14:07:44,309 WARN ]: Spent 407.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 53 [2018-06-22 14:07:46,811 WARN ]: Spent 2.33 s on a formula simplification. DAG size of input: 160 DAG size of output: 154 [2018-06-22 14:07:46,874 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 14:07:46,874 INFO ]: Finished difference Result 23 states and 24 transitions. [2018-06-22 14:07:46,877 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-22 14:07:46,877 INFO ]: Start accepts. Automaton has 20 states. Word has length 25 [2018-06-22 14:07:46,878 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 14:07:46,878 INFO ]: With dead ends: 23 [2018-06-22 14:07:46,878 INFO ]: Without dead ends: 23 [2018-06-22 14:07:46,879 INFO ]: 0 DeclaredPredicates, 42 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=160, Invalid=490, Unknown=0, NotChecked=0, Total=650 [2018-06-22 14:07:46,879 INFO ]: Start minimizeSevpa. Operand 23 states. [2018-06-22 14:07:46,883 INFO ]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-06-22 14:07:46,883 INFO ]: Start removeUnreachable. Operand 23 states. [2018-06-22 14:07:46,884 INFO ]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-06-22 14:07:46,884 INFO ]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 25 [2018-06-22 14:07:46,884 INFO ]: Finished accepts. word is rejected. [2018-06-22 14:07:46,884 INFO ]: Abstraction has 23 states and 24 transitions. [2018-06-22 14:07:46,884 INFO ]: Interpolant automaton has 20 states. [2018-06-22 14:07:46,884 INFO ]: Start isEmpty. Operand 23 states and 24 transitions. [2018-06-22 14:07:46,885 INFO ]: Finished isEmpty. Found accepting run of length 34 [2018-06-22 14:07:46,885 INFO ]: Found error trace [2018-06-22 14:07:46,885 INFO ]: trace histogram [7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 14:07:46,885 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 14:07:46,885 INFO ]: Analyzing trace with hash 800064122, now seen corresponding path program 4 times [2018-06-22 14:07:46,885 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 14:07:46,885 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 14:07:46,886 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:07:46,886 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 14:07:46,886 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 14:07:47,217 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:07:47,909 WARN ]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-06-22 14:07:48,537 WARN ]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-06-22 14:07:48,877 WARN ]: Spent 330.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2018-06-22 14:07:49,289 WARN ]: Spent 398.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 73 [2018-06-22 14:07:49,517 WARN ]: Spent 214.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 61 [2018-06-22 14:07:49,927 WARN ]: Spent 166.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2018-06-22 14:07:50,122 WARN ]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2018-06-22 14:07:50,176 INFO ]: Checked inductivity of 78 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-06-22 14:07:50,176 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 14:07:50,176 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 14:07:50,182 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 14:07:50,554 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 14:07:50,555 INFO ]: Conjunction of SSA is unsat [2018-06-22 14:07:50,583 INFO ]: Computing forward predicates... [2018-06-22 14:07:51,714 WARN ]: Spent 1.01 s on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2018-06-22 14:07:53,528 WARN ]: Spent 1.62 s on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2018-06-22 14:07:56,480 WARN ]: Spent 2.75 s on a formula simplification. DAG size of input: 112 DAG size of output: 103 [2018-06-22 14:07:59,599 WARN ]: Spent 2.95 s on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2018-06-22 14:08:03,634 WARN ]: Spent 3.81 s on a formula simplification. DAG size of input: 167 DAG size of output: 155 [2018-06-22 14:08:05,435 WARN ]: Spent 1.57 s on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2018-06-22 14:08:07,084 INFO ]: Checked inductivity of 78 backedges. 8 proven. 49 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-06-22 14:08:07,105 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 14:08:07,105 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2018-06-22 14:08:07,105 INFO ]: Interpolant automaton has 28 states [2018-06-22 14:08:07,106 INFO ]: Constructing interpolant automaton starting with 28 interpolants. [2018-06-22 14:08:07,106 INFO ]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2018-06-22 14:08:07,106 INFO ]: Start difference. First operand 23 states and 24 transitions. Second operand 28 states. Received shutdown request... [2018-06-22 14:08:10,497 WARN ]: Removed 30 from assertion stack [2018-06-22 14:08:10,498 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 14:08:10,498 WARN ]: Verification canceled [2018-06-22 14:08:10,501 WARN ]: Timeout [2018-06-22 14:08:10,502 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 02:08:10 BoogieIcfgContainer [2018-06-22 14:08:10,502 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 14:08:10,503 INFO ]: Toolchain (without parser) took 58507.50 ms. Allocated memory was 302.5 MB in the beginning and 1.2 GB in the end (delta: 880.8 MB). Free memory was 188.3 MB in the beginning and 946.7 MB in the end (delta: -758.4 MB). Peak memory consumption was 900.2 MB. Max. memory is 3.6 GB. [2018-06-22 14:08:10,503 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 302.5 MB. Free memory is still 267.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 14:08:10,503 INFO ]: ChcToBoogie took 82.09 ms. Allocated memory is still 302.5 MB. Free memory was 188.3 MB in the beginning and 184.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 3.6 GB. [2018-06-22 14:08:10,504 INFO ]: Boogie Preprocessor took 97.06 ms. Allocated memory was 302.5 MB in the beginning and 318.8 MB in the end (delta: 16.3 MB). Free memory was 184.9 MB in the beginning and 289.7 MB in the end (delta: -104.8 MB). Peak memory consumption was 6.7 MB. Max. memory is 3.6 GB. [2018-06-22 14:08:10,504 INFO ]: RCFGBuilder took 551.27 ms. Allocated memory is still 318.8 MB. Free memory was 289.7 MB in the beginning and 224.9 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 3.6 GB. [2018-06-22 14:08:10,504 INFO ]: TraceAbstraction took 57762.60 ms. Allocated memory was 318.8 MB in the beginning and 1.2 GB in the end (delta: 864.6 MB). Free memory was 222.6 MB in the beginning and 946.7 MB in the end (delta: -724.2 MB). Peak memory consumption was 918.2 MB. Max. memory is 3.6 GB. [2018-06-22 14:08:10,507 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 302.5 MB. Free memory is still 267.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 82.09 ms. Allocated memory is still 302.5 MB. Free memory was 188.3 MB in the beginning and 184.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 97.06 ms. Allocated memory was 302.5 MB in the beginning and 318.8 MB in the end (delta: 16.3 MB). Free memory was 184.9 MB in the beginning and 289.7 MB in the end (delta: -104.8 MB). Peak memory consumption was 6.7 MB. Max. memory is 3.6 GB. * RCFGBuilder took 551.27 ms. Allocated memory is still 318.8 MB. Free memory was 289.7 MB in the beginning and 224.9 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 3.6 GB. * TraceAbstraction took 57762.60 ms. Allocated memory was 318.8 MB in the beginning and 1.2 GB in the end (delta: 864.6 MB). Free memory was 222.6 MB in the beginning and 946.7 MB in the end (delta: -724.2 MB). Peak memory consumption was 918.2 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was constructing difference of abstraction (23states) and interpolant automaton (currently 3 states, 28 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 335. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 57.6s OverallTime, 5 OverallIterations, 7 TraceHistogramMax, 14.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 52 SDtfs, 59 SDslu, 164 SDs, 0 SdLazy, 148 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 45.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=4, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 40.7s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 424636 SizeOfPredicates, 3004 NumberOfNonLiveVariables, 2380 ConjunctsInSsa, 174 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 82/254 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/mem_slave_tlm.2.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_14-08-10-515.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/mem_slave_tlm.2.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_14-08-10-515.csv Completed graceful shutdown