java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_10_e7_106_e7_2564.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:45:21,749 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:45:21,752 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:45:21,765 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:45:21,765 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:45:21,766 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:45:21,767 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:45:21,770 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:45:21,772 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:45:21,772 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:45:21,774 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:45:21,774 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:45:21,775 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:45:21,776 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:45:21,776 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:45:21,779 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:45:21,780 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:45:21,789 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:45:21,791 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:45:21,792 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:45:21,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:45:21,798 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:45:21,798 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:45:21,799 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:45:21,799 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:45:21,800 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:45:21,801 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:45:21,803 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:45:21,804 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:45:21,804 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:45:21,804 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:45:21,805 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:45:21,805 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:45:21,806 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:45:21,810 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:45:21,810 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 19:45:21,832 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:45:21,832 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:45:21,832 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:45:21,833 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:45:21,833 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:45:21,834 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:45:21,834 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:45:21,835 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:45:21,835 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:45:21,835 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:45:21,835 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:45:21,835 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:45:21,836 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:45:21,836 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:45:21,836 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:45:21,836 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:45:21,836 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:45:21,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:45:21,837 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:45:21,841 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:45:21,841 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:45:21,888 INFO ]: Repository-Root is: /tmp [2018-06-22 19:45:21,902 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:45:21,907 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:45:21,909 INFO ]: Initializing SmtParser... [2018-06-22 19:45:21,909 INFO ]: SmtParser initialized [2018-06-22 19:45:21,909 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_10_e7_106_e7_2564.smt2 [2018-06-22 19:45:21,911 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 19:45:21,981 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_10_e7_106_e7_2564.smt2 unknown [2018-06-22 19:45:22,622 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/rtp_10_e7_106_e7_2564.smt2 [2018-06-22 19:45:22,627 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:45:22,633 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:45:22,633 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:45:22,633 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:45:22,634 INFO ]: ChcToBoogie initialized [2018-06-22 19:45:22,636 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:45:22" (1/1) ... [2018-06-22 19:45:22,714 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:45:22 Unit [2018-06-22 19:45:22,714 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:45:22,715 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:45:22,715 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:45:22,715 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:45:22,737 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:45:22" (1/1) ... [2018-06-22 19:45:22,737 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:45:22" (1/1) ... [2018-06-22 19:45:22,753 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:45:22" (1/1) ... [2018-06-22 19:45:22,753 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:45:22" (1/1) ... [2018-06-22 19:45:22,763 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:45:22" (1/1) ... [2018-06-22 19:45:22,765 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:45:22" (1/1) ... [2018-06-22 19:45:22,769 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:45:22" (1/1) ... [2018-06-22 19:45:22,774 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:45:22,774 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:45:22,774 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:45:22,775 INFO ]: RCFGBuilder initialized [2018-06-22 19:45:22,775 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:45:22" (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 19:45:22,799 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:45:22,799 INFO ]: Found specification of procedure False [2018-06-22 19:45:22,799 INFO ]: Found implementation of procedure False [2018-06-22 19:45:22,800 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:45:22,800 INFO ]: Found specification of procedure state [2018-06-22 19:45:22,800 INFO ]: Found implementation of procedure state [2018-06-22 19:45:22,800 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:45:22,800 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:45:22,800 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 19:45:23,338 INFO ]: Using library mode [2018-06-22 19:45:23,338 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:45:23 BoogieIcfgContainer [2018-06-22 19:45:23,338 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:45:23,340 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:45:23,340 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:45:23,345 INFO ]: TraceAbstraction initialized [2018-06-22 19:45:23,345 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:45:22" (1/3) ... [2018-06-22 19:45:23,346 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299003bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:45:23, skipping insertion in model container [2018-06-22 19:45:23,346 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:45:22" (2/3) ... [2018-06-22 19:45:23,346 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299003bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:45:23, skipping insertion in model container [2018-06-22 19:45:23,346 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:45:23" (3/3) ... [2018-06-22 19:45:23,349 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:45:23,359 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:45:23,370 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:45:23,424 INFO ]: Using default assertion order modulation [2018-06-22 19:45:23,425 INFO ]: Interprodecural is true [2018-06-22 19:45:23,425 INFO ]: Hoare is false [2018-06-22 19:45:23,425 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:45:23,425 INFO ]: Backedges is TWOTRACK [2018-06-22 19:45:23,425 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:45:23,425 INFO ]: Difference is false [2018-06-22 19:45:23,425 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:45:23,425 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:45:23,444 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:45:23,456 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:45:23,458 INFO ]: Found error trace [2018-06-22 19:45:23,459 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:45:23,459 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:45:23,465 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 19:45:23,467 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:45:23,467 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:45:23,515 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:45:23,515 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:45:23,515 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:45:23,644 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:45:23,888 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:45:23,890 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:45:23,890 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:45:23,891 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:45:23,902 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:45:23,902 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:45:23,904 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:45:24,065 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:45:24,065 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:45:24,067 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:45:24,068 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:45:24,069 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:45:24,086 INFO ]: With dead ends: 13 [2018-06-22 19:45:24,086 INFO ]: Without dead ends: 13 [2018-06-22 19:45:24,089 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:45:24,107 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:45:24,147 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:45:24,148 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:45:24,149 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:45:24,151 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:45:24,151 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:45:24,151 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:45:24,151 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:45:24,151 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:45:24,152 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:45:24,152 INFO ]: Found error trace [2018-06-22 19:45:24,152 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:45:24,152 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:45:24,153 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 19:45:24,153 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:45:24,153 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:45:24,153 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:45:24,153 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:45:24,153 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:45:24,301 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:45:25,080 WARN ]: Spent 524.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-06-22 19:45:25,103 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:45:25,103 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:45:25,103 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:45:25,113 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:45:25,320 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:45:25,332 INFO ]: Computing forward predicates... [2018-06-22 19:45:26,110 WARN ]: Spent 275.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 8 [2018-06-22 19:45:26,212 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:45:26,246 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 19:45:26,246 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2018-06-22 19:45:26,247 INFO ]: Interpolant automaton has 8 states [2018-06-22 19:45:26,247 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-22 19:45:26,247 INFO ]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-06-22 19:45:26,247 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 8 states. [2018-06-22 19:45:26,731 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:45:26,731 INFO ]: Finished difference Result 15 states and 16 transitions. [2018-06-22 19:45:26,732 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 19:45:26,732 INFO ]: Start accepts. Automaton has 8 states. Word has length 13 [2018-06-22 19:45:26,732 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:45:26,732 INFO ]: With dead ends: 15 [2018-06-22 19:45:26,732 INFO ]: Without dead ends: 15 [2018-06-22 19:45:26,734 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-06-22 19:45:26,735 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-22 19:45:26,737 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-22 19:45:26,737 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-22 19:45:26,737 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-06-22 19:45:26,737 INFO ]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2018-06-22 19:45:26,737 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:45:26,737 INFO ]: Abstraction has 15 states and 16 transitions. [2018-06-22 19:45:26,737 INFO ]: Interpolant automaton has 8 states. [2018-06-22 19:45:26,737 INFO ]: Start isEmpty. Operand 15 states and 16 transitions. [2018-06-22 19:45:26,738 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 19:45:26,738 INFO ]: Found error trace [2018-06-22 19:45:26,738 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:45:26,738 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:45:26,738 INFO ]: Analyzing trace with hash -1649658231, now seen corresponding path program 2 times [2018-06-22 19:45:26,738 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:45:26,738 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:45:26,739 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:45:26,739 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:45:26,739 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:45:26,903 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:45:27,615 WARN ]: Spent 288.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2018-06-22 19:45:27,847 WARN ]: Spent 208.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2018-06-22 19:45:27,856 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 19:45:27,856 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:45:27,856 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) [2018-06-22 19:45:27,870 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:45:28,089 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 19:45:28,089 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:45:28,098 INFO ]: Computing forward predicates... [2018-06-22 19:45:28,419 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:28,435 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:29,176 INFO ]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 19:45:29,209 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 19:45:29,209 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2018-06-22 19:45:29,210 INFO ]: Interpolant automaton has 12 states [2018-06-22 19:45:29,210 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 19:45:29,210 INFO ]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-06-22 19:45:29,210 INFO ]: Start difference. First operand 15 states and 16 transitions. Second operand 12 states. [2018-06-22 19:45:29,535 WARN ]: Spent 191.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2018-06-22 19:45:29,882 WARN ]: Spent 262.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 94 [2018-06-22 19:45:30,311 WARN ]: Spent 218.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2018-06-22 19:45:30,365 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:45:30,365 INFO ]: Finished difference Result 17 states and 18 transitions. [2018-06-22 19:45:30,367 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 19:45:30,367 INFO ]: Start accepts. Automaton has 12 states. Word has length 17 [2018-06-22 19:45:30,367 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:45:30,368 INFO ]: With dead ends: 17 [2018-06-22 19:45:30,368 INFO ]: Without dead ends: 17 [2018-06-22 19:45:30,368 INFO ]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-06-22 19:45:30,368 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-22 19:45:30,371 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-06-22 19:45:30,371 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-22 19:45:30,372 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-06-22 19:45:30,372 INFO ]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 17 [2018-06-22 19:45:30,372 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:45:30,372 INFO ]: Abstraction has 17 states and 18 transitions. [2018-06-22 19:45:30,372 INFO ]: Interpolant automaton has 12 states. [2018-06-22 19:45:30,372 INFO ]: Start isEmpty. Operand 17 states and 18 transitions. [2018-06-22 19:45:30,372 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 19:45:30,372 INFO ]: Found error trace [2018-06-22 19:45:30,373 INFO ]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:45:30,373 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:45:30,373 INFO ]: Analyzing trace with hash 2119922091, now seen corresponding path program 3 times [2018-06-22 19:45:30,373 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:45:30,373 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:45:30,374 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:45:30,374 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 19:45:30,374 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:45:30,517 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:45:31,009 WARN ]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2018-06-22 19:45:31,426 WARN ]: Spent 396.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 83 [2018-06-22 19:45:31,628 INFO ]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 19:45:31,628 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:45:31,628 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 19:45:31,635 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-22 19:45:31,942 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-06-22 19:45:31,942 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:45:31,953 INFO ]: Computing forward predicates... [2018-06-22 19:45:32,159 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:32,166 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:37,327 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:37,329 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:37,349 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:37,357 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:37,359 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:37,402 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:37,413 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:37,586 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:37,592 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:37,682 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:37,696 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 19:45:37,701 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:37,701 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:37,705 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 19:45:37,856 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:37,857 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 19:45:37,862 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:37,864 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:37,866 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:37,877 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 19:45:38,542 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,559 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:38,625 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:38,626 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,627 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,628 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:38,628 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,630 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:38,631 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,631 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,632 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:38,633 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,636 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:38,636 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:38,637 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:38,639 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,760 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:38,764 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:38,790 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,791 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,791 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:45:38,794 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:38,795 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 19:45:38,797 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:38,798 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 19:45:38,802 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:38,804 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,804 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,806 WARN ]: expecting exponential blowup for input size 13 [2018-06-22 19:45:38,900 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:38,907 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:38,909 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:38,911 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 19:45:39,000 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:39,002 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 19:45:39,028 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:39,029 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:39,046 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:39,047 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:39,055 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:39,802 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:39,806 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:39,847 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:39,859 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:39,860 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:40,091 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:40,092 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:40,092 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:40,092 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:40,094 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:40,094 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:40,098 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:40,099 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:40,100 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 19:45:40,101 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 19:45:40,104 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:40,104 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:40,105 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 19:45:40,105 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:40,105 WARN ]: expecting exponential blowup for input size 9 [2018-06-22 19:45:40,106 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 19:45:40,109 WARN ]: expecting exponential blowup for input size 12 [2018-06-22 19:45:40,110 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:40,110 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:40,111 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:40,111 WARN ]: expecting exponential blowup for input size 8 [2018-06-22 19:45:40,131 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:40,131 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:40,134 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:40,140 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:45:40,143 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:40,157 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:45:40,302 WARN ]: Simplifying disjunction of 9488 conjuctions. This might take some time... [2018-06-22 19:45:45,492 INFO ]: Simplified to disjunction of 9488 conjuctions. Received shutdown request... [2018-06-22 19:46:32,471 INFO ]: Timeout while computing interpolants [2018-06-22 19:46:32,671 WARN ]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:46:32,672 WARN ]: Verification canceled [2018-06-22 19:46:32,677 WARN ]: Timeout [2018-06-22 19:46:32,677 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:46:32 BoogieIcfgContainer [2018-06-22 19:46:32,677 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:46:32,678 INFO ]: Toolchain (without parser) took 70050.61 ms. Allocated memory was 309.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 236.3 MB in the beginning and 620.8 MB in the end (delta: -384.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 19:46:32,679 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.9 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:46:32,679 INFO ]: ChcToBoogie took 80.96 ms. Allocated memory is still 309.9 MB. Free memory was 234.3 MB in the beginning and 232.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:46:32,679 INFO ]: Boogie Preprocessor took 59.23 ms. Allocated memory is still 309.9 MB. Free memory was 232.3 MB in the beginning and 230.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:46:32,680 INFO ]: RCFGBuilder took 564.07 ms. Allocated memory was 309.9 MB in the beginning and 326.1 MB in the end (delta: 16.3 MB). Free memory was 230.3 MB in the beginning and 296.7 MB in the end (delta: -66.4 MB). Peak memory consumption was 47.3 MB. Max. memory is 3.6 GB. [2018-06-22 19:46:32,680 INFO ]: TraceAbstraction took 69337.03 ms. Allocated memory was 326.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 296.7 MB in the beginning and 620.8 MB in the end (delta: -324.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 19:46:32,687 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 309.9 MB. Free memory is still 274.4 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 80.96 ms. Allocated memory is still 309.9 MB. Free memory was 234.3 MB in the beginning and 232.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 59.23 ms. Allocated memory is still 309.9 MB. Free memory was 232.3 MB in the beginning and 230.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 564.07 ms. Allocated memory was 309.9 MB in the beginning and 326.1 MB in the end (delta: 16.3 MB). Free memory was 230.3 MB in the beginning and 296.7 MB in the end (delta: -66.4 MB). Peak memory consumption was 47.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69337.03 ms. Allocated memory was 326.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 296.7 MB in the beginning and 620.8 MB in the end (delta: -324.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while BasicCegarLoop was analyzing trace of length 22 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while XnfDer was eliminating 7379 quantified variables from 21 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.2s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 33 SDtfs, 21 SDslu, 104 SDs, 0 SdLazy, 79 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=3, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 7900 SizeOfPredicates, 44 NumberOfNonLiveVariables, 1887 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 8/26 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/rtp_10_e7_106_e7_2564.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-46-32-707.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/rtp_10_e7_106_e7_2564.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-46-32-707.csv Completed graceful shutdown