java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/Consistency/incremental2.42.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 08:31:33,789 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 08:31:33,791 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 08:31:33,803 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 08:31:33,804 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 08:31:33,805 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 08:31:33,806 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 08:31:33,808 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 08:31:33,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 08:31:33,811 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 08:31:33,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 08:31:33,813 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 08:31:33,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 08:31:33,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 08:31:33,818 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 08:31:33,819 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 08:31:33,822 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 08:31:33,824 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 08:31:33,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 08:31:33,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 08:31:33,835 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 08:31:33,837 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 08:31:33,837 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 08:31:33,838 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 08:31:33,842 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 08:31:33,842 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 08:31:33,843 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 08:31:33,844 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 08:31:33,850 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 08:31:33,850 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 08:31:33,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 08:31:33,851 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 08:31:33,851 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 08:31:33,852 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 08:31:33,853 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 08:31:33,853 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 08:31:33,873 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 08:31:33,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 08:31:33,874 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 08:31:33,874 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 08:31:33,875 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 08:31:33,875 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 08:31:33,875 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 08:31:33,875 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 08:31:33,875 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 08:31:33,876 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 08:31:33,876 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 08:31:33,876 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 08:31:33,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 08:31:33,876 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 08:31:33,877 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 08:31:33,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 08:31:33,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 08:31:33,877 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 08:31:33,877 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 08:31:33,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 08:31:33,878 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 08:31:33,879 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 08:31:33,879 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 08:31:33,923 INFO ]: Repository-Root is: /tmp [2018-06-25 08:31:33,933 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 08:31:33,937 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 08:31:33,939 INFO ]: Initializing SmtParser... [2018-06-25 08:31:33,939 INFO ]: SmtParser initialized [2018-06-25 08:31:33,940 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/incremental2.42.smt2 [2018-06-25 08:31:33,941 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-25 08:31:34,032 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/incremental2.42.smt2 unknown [2018-06-25 08:31:34,817 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/incremental2.42.smt2 [2018-06-25 08:31:34,822 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 08:31:34,836 INFO ]: Walking toolchain with 4 elements. [2018-06-25 08:31:34,837 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 08:31:34,837 INFO ]: Initializing ChcToBoogie... [2018-06-25 08:31:34,837 INFO ]: ChcToBoogie initialized [2018-06-25 08:31:34,840 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:31:34" (1/1) ... [2018-06-25 08:31:34,994 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:31:34 Unit [2018-06-25 08:31:34,994 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 08:31:34,995 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 08:31:34,995 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 08:31:34,995 INFO ]: Boogie Preprocessor initialized [2018-06-25 08:31:35,015 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:31:34" (1/1) ... [2018-06-25 08:31:35,016 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:31:34" (1/1) ... [2018-06-25 08:31:35,047 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:31:34" (1/1) ... [2018-06-25 08:31:35,047 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:31:34" (1/1) ... [2018-06-25 08:31:35,082 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:31:34" (1/1) ... [2018-06-25 08:31:35,086 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:31:34" (1/1) ... [2018-06-25 08:31:35,097 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:31:34" (1/1) ... [2018-06-25 08:31:35,104 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 08:31:35,105 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 08:31:35,105 INFO ]: Initializing RCFGBuilder... [2018-06-25 08:31:35,105 INFO ]: RCFGBuilder initialized [2018-06-25 08:31:35,106 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:31:34" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 08:31:35,121 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 08:31:35,121 INFO ]: Found specification of procedure gotoProc [2018-06-25 08:31:35,121 INFO ]: Found implementation of procedure gotoProc [2018-06-25 08:31:35,122 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 08:31:35,122 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 08:31:35,122 INFO ]: Found implementation of procedure Ultimate.START [2018-06-25 08:31:37,536 INFO ]: Using library mode [2018-06-25 08:31:37,536 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:31:37 BoogieIcfgContainer [2018-06-25 08:31:37,536 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 08:31:37,538 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 08:31:37,538 INFO ]: Initializing TraceAbstraction... [2018-06-25 08:31:37,541 INFO ]: TraceAbstraction initialized [2018-06-25 08:31:37,541 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:31:34" (1/3) ... [2018-06-25 08:31:37,542 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f51cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 08:31:37, skipping insertion in model container [2018-06-25 08:31:37,542 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:31:34" (2/3) ... [2018-06-25 08:31:37,542 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f51cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 08:31:37, skipping insertion in model container [2018-06-25 08:31:37,542 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:31:37" (3/3) ... [2018-06-25 08:31:37,544 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 08:31:37,553 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 08:31:37,562 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 08:31:37,620 INFO ]: Using default assertion order modulation [2018-06-25 08:31:37,621 INFO ]: Interprodecural is true [2018-06-25 08:31:37,621 INFO ]: Hoare is false [2018-06-25 08:31:37,621 INFO ]: Compute interpolants for FPandBP [2018-06-25 08:31:37,621 INFO ]: Backedges is TWOTRACK [2018-06-25 08:31:37,621 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 08:31:37,621 INFO ]: Difference is false [2018-06-25 08:31:37,621 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 08:31:37,621 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 08:31:37,642 INFO ]: Start isEmpty. Operand 146 states. [2018-06-25 08:31:37,663 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 08:31:37,663 INFO ]: Found error trace [2018-06-25 08:31:37,664 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:31:37,664 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:31:37,669 INFO ]: Analyzing trace with hash 561409399, now seen corresponding path program 1 times [2018-06-25 08:31:37,670 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:31:37,670 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:31:37,701 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:31:37,701 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:31:37,701 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:31:37,752 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:31:38,107 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:31:38,111 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:31:38,111 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-25 08:31:38,113 INFO ]: Interpolant automaton has 4 states [2018-06-25 08:31:38,128 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-25 08:31:38,128 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-25 08:31:38,132 INFO ]: Start difference. First operand 146 states. Second operand 4 states. [2018-06-25 08:31:40,896 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:31:40,896 INFO ]: Finished difference Result 285 states and 555 transitions. [2018-06-25 08:31:40,897 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 08:31:40,898 INFO ]: Start accepts. Automaton has 4 states. Word has length 8 [2018-06-25 08:31:40,898 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:31:40,943 INFO ]: With dead ends: 285 [2018-06-25 08:31:40,943 INFO ]: Without dead ends: 283 [2018-06-25 08:31:40,945 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-25 08:31:40,963 INFO ]: Start minimizeSevpa. Operand 283 states. [2018-06-25 08:31:41,063 INFO ]: Finished minimizeSevpa. Reduced states from 283 to 283. [2018-06-25 08:31:41,065 INFO ]: Start removeUnreachable. Operand 283 states. [2018-06-25 08:31:41,090 INFO ]: Finished removeUnreachable. Reduced from 283 states to 283 states and 553 transitions. [2018-06-25 08:31:41,091 INFO ]: Start accepts. Automaton has 283 states and 553 transitions. Word has length 8 [2018-06-25 08:31:41,092 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:31:41,092 INFO ]: Abstraction has 283 states and 553 transitions. [2018-06-25 08:31:41,092 INFO ]: Interpolant automaton has 4 states. [2018-06-25 08:31:41,092 INFO ]: Start isEmpty. Operand 283 states and 553 transitions. [2018-06-25 08:31:41,099 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-25 08:31:41,099 INFO ]: Found error trace [2018-06-25 08:31:41,099 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:31:41,099 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:31:41,099 INFO ]: Analyzing trace with hash 369073051, now seen corresponding path program 1 times [2018-06-25 08:31:41,099 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:31:41,099 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:31:41,100 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:31:41,100 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:31:41,100 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:31:41,107 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:31:41,339 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:31:41,339 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:31:41,339 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-25 08:31:41,341 INFO ]: Interpolant automaton has 4 states [2018-06-25 08:31:41,341 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-25 08:31:41,341 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-25 08:31:41,341 INFO ]: Start difference. First operand 283 states and 553 transitions. Second operand 4 states. [2018-06-25 08:31:43,764 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:31:43,764 INFO ]: Finished difference Result 423 states and 828 transitions. [2018-06-25 08:31:43,765 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 08:31:43,765 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-25 08:31:43,765 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:31:43,788 INFO ]: With dead ends: 423 [2018-06-25 08:31:43,788 INFO ]: Without dead ends: 423 [2018-06-25 08:31:43,790 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-25 08:31:43,790 INFO ]: Start minimizeSevpa. Operand 423 states. [2018-06-25 08:31:43,874 INFO ]: Finished minimizeSevpa. Reduced states from 423 to 423. [2018-06-25 08:31:43,875 INFO ]: Start removeUnreachable. Operand 423 states. [2018-06-25 08:31:43,902 INFO ]: Finished removeUnreachable. Reduced from 423 states to 423 states and 828 transitions. [2018-06-25 08:31:43,902 INFO ]: Start accepts. Automaton has 423 states and 828 transitions. Word has length 9 [2018-06-25 08:31:43,902 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:31:43,902 INFO ]: Abstraction has 423 states and 828 transitions. [2018-06-25 08:31:43,902 INFO ]: Interpolant automaton has 4 states. [2018-06-25 08:31:43,902 INFO ]: Start isEmpty. Operand 423 states and 828 transitions. [2018-06-25 08:31:43,909 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-25 08:31:43,909 INFO ]: Found error trace [2018-06-25 08:31:43,909 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:31:43,909 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:31:43,909 INFO ]: Analyzing trace with hash -162455611, now seen corresponding path program 1 times [2018-06-25 08:31:43,911 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:31:43,911 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:31:43,912 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:31:43,912 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:31:43,912 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:31:43,959 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:31:44,163 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:31:44,163 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:31:44,163 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-25 08:31:44,163 INFO ]: Interpolant automaton has 4 states [2018-06-25 08:31:44,163 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-25 08:31:44,163 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-25 08:31:44,164 INFO ]: Start difference. First operand 423 states and 828 transitions. Second operand 4 states. [2018-06-25 08:31:45,906 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:31:45,906 INFO ]: Finished difference Result 562 states and 1102 transitions. [2018-06-25 08:31:45,907 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 08:31:45,907 INFO ]: Start accepts. Automaton has 4 states. Word has length 10 [2018-06-25 08:31:45,907 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:31:45,944 INFO ]: With dead ends: 562 [2018-06-25 08:31:45,944 INFO ]: Without dead ends: 562 [2018-06-25 08:31:45,944 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-25 08:31:45,945 INFO ]: Start minimizeSevpa. Operand 562 states. [2018-06-25 08:31:46,034 INFO ]: Finished minimizeSevpa. Reduced states from 562 to 562. [2018-06-25 08:31:46,034 INFO ]: Start removeUnreachable. Operand 562 states. [2018-06-25 08:31:46,051 INFO ]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1102 transitions. [2018-06-25 08:31:46,051 INFO ]: Start accepts. Automaton has 562 states and 1102 transitions. Word has length 10 [2018-06-25 08:31:46,051 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:31:46,051 INFO ]: Abstraction has 562 states and 1102 transitions. [2018-06-25 08:31:46,051 INFO ]: Interpolant automaton has 4 states. [2018-06-25 08:31:46,051 INFO ]: Start isEmpty. Operand 562 states and 1102 transitions. [2018-06-25 08:31:46,081 INFO ]: Finished isEmpty. Found accepting run of length 19 [2018-06-25 08:31:46,081 INFO ]: Found error trace [2018-06-25 08:31:46,081 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:31:46,081 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:31:46,081 INFO ]: Analyzing trace with hash -2070273258, now seen corresponding path program 1 times [2018-06-25 08:31:46,081 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:31:46,081 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:31:46,082 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:31:46,082 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:31:46,082 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:31:46,133 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:31:46,325 INFO ]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:31:46,325 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:31:46,325 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-25 08:31:46,325 INFO ]: Interpolant automaton has 7 states [2018-06-25 08:31:46,326 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-25 08:31:46,326 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-25 08:31:46,326 INFO ]: Start difference. First operand 562 states and 1102 transitions. Second operand 7 states. [2018-06-25 08:31:53,321 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:31:53,322 INFO ]: Finished difference Result 1408 states and 6738 transitions. [2018-06-25 08:31:53,322 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-06-25 08:31:53,322 INFO ]: Start accepts. Automaton has 7 states. Word has length 18 [2018-06-25 08:31:53,322 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:31:53,711 INFO ]: With dead ends: 1408 [2018-06-25 08:31:53,711 INFO ]: Without dead ends: 1392 [2018-06-25 08:31:53,711 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-06-25 08:31:53,712 INFO ]: Start minimizeSevpa. Operand 1392 states. [2018-06-25 08:31:54,336 INFO ]: Finished minimizeSevpa. Reduced states from 1392 to 1044. [2018-06-25 08:31:54,336 INFO ]: Start removeUnreachable. Operand 1044 states. [2018-06-25 08:31:54,384 INFO ]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 2648 transitions. [2018-06-25 08:31:54,384 INFO ]: Start accepts. Automaton has 1044 states and 2648 transitions. Word has length 18 [2018-06-25 08:31:54,384 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:31:54,384 INFO ]: Abstraction has 1044 states and 2648 transitions. [2018-06-25 08:31:54,384 INFO ]: Interpolant automaton has 7 states. [2018-06-25 08:31:54,384 INFO ]: Start isEmpty. Operand 1044 states and 2648 transitions. [2018-06-25 08:31:54,432 INFO ]: Finished isEmpty. Found accepting run of length 19 [2018-06-25 08:31:54,432 INFO ]: Found error trace [2018-06-25 08:31:54,432 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:31:54,432 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:31:54,432 INFO ]: Analyzing trace with hash -2134917386, now seen corresponding path program 1 times [2018-06-25 08:31:54,432 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:31:54,432 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:31:54,433 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:31:54,433 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:31:54,433 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:31:54,495 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:31:54,773 INFO ]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:31:54,773 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:31:54,773 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-25 08:31:54,774 INFO ]: Interpolant automaton has 7 states [2018-06-25 08:31:54,774 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-25 08:31:54,774 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-25 08:31:54,774 INFO ]: Start difference. First operand 1044 states and 2648 transitions. Second operand 7 states. [2018-06-25 08:32:01,154 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:32:01,154 INFO ]: Finished difference Result 2820 states and 22059 transitions. [2018-06-25 08:32:01,155 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-06-25 08:32:01,155 INFO ]: Start accepts. Automaton has 7 states. Word has length 18 [2018-06-25 08:32:01,155 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:32:02,517 INFO ]: With dead ends: 2820 [2018-06-25 08:32:02,517 INFO ]: Without dead ends: 2800 [2018-06-25 08:32:02,518 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-06-25 08:32:02,519 INFO ]: Start minimizeSevpa. Operand 2800 states. [2018-06-25 08:32:04,780 INFO ]: Finished minimizeSevpa. Reduced states from 2800 to 2102. [2018-06-25 08:32:04,780 INFO ]: Start removeUnreachable. Operand 2102 states. [2018-06-25 08:32:05,021 INFO ]: Finished removeUnreachable. Reduced from 2102 states to 2102 states and 7521 transitions. [2018-06-25 08:32:05,021 INFO ]: Start accepts. Automaton has 2102 states and 7521 transitions. Word has length 18 [2018-06-25 08:32:05,021 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:32:05,021 INFO ]: Abstraction has 2102 states and 7521 transitions. [2018-06-25 08:32:05,021 INFO ]: Interpolant automaton has 7 states. [2018-06-25 08:32:05,021 INFO ]: Start isEmpty. Operand 2102 states and 7521 transitions. [2018-06-25 08:32:05,081 INFO ]: Finished isEmpty. Found accepting run of length 20 [2018-06-25 08:32:05,081 INFO ]: Found error trace [2018-06-25 08:32:05,081 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:32:05,081 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:32:05,082 INFO ]: Analyzing trace with hash -2090887910, now seen corresponding path program 1 times [2018-06-25 08:32:05,082 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:32:05,082 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:32:05,083 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:32:05,083 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:32:05,083 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:32:05,143 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:32:06,078 INFO ]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:32:06,078 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:32:06,078 INFO ]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-06-25 08:32:06,078 INFO ]: Interpolant automaton has 8 states [2018-06-25 08:32:06,078 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-25 08:32:06,078 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-25 08:32:06,078 INFO ]: Start difference. First operand 2102 states and 7521 transitions. Second operand 8 states. [2018-06-25 08:32:18,707 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:32:18,708 INFO ]: Finished difference Result 5052 states and 49675 transitions. [2018-06-25 08:32:18,709 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-25 08:32:18,709 INFO ]: Start accepts. Automaton has 8 states. Word has length 19 [2018-06-25 08:32:18,709 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:32:22,994 INFO ]: With dead ends: 5052 [2018-06-25 08:32:22,994 INFO ]: Without dead ends: 5038 [2018-06-25 08:32:22,994 INFO ]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2018-06-25 08:32:22,996 INFO ]: Start minimizeSevpa. Operand 5038 states. [2018-06-25 08:32:28,830 INFO ]: Finished minimizeSevpa. Reduced states from 5038 to 3106. [2018-06-25 08:32:28,831 INFO ]: Start removeUnreachable. Operand 3106 states. [2018-06-25 08:32:29,066 INFO ]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 11251 transitions. [2018-06-25 08:32:29,066 INFO ]: Start accepts. Automaton has 3106 states and 11251 transitions. Word has length 19 [2018-06-25 08:32:29,066 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:32:29,066 INFO ]: Abstraction has 3106 states and 11251 transitions. [2018-06-25 08:32:29,066 INFO ]: Interpolant automaton has 8 states. [2018-06-25 08:32:29,066 INFO ]: Start isEmpty. Operand 3106 states and 11251 transitions. [2018-06-25 08:32:29,118 INFO ]: Finished isEmpty. Found accepting run of length 20 [2018-06-25 08:32:29,118 INFO ]: Found error trace [2018-06-25 08:32:29,118 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:32:29,118 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:32:29,119 INFO ]: Analyzing trace with hash 200111418, now seen corresponding path program 1 times [2018-06-25 08:32:29,119 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:32:29,119 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:32:29,120 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:32:29,120 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:32:29,120 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:32:29,159 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:32:29,517 INFO ]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:32:29,517 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:32:29,517 INFO ]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-06-25 08:32:29,517 INFO ]: Interpolant automaton has 8 states [2018-06-25 08:32:29,517 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-25 08:32:29,517 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-25 08:32:29,517 INFO ]: Start difference. First operand 3106 states and 11251 transitions. Second operand 8 states. [2018-06-25 08:32:29,832 WARN ]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 15 Received shutdown request... [2018-06-25 08:32:30,408 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-25 08:32:30,408 WARN ]: Verification canceled [2018-06-25 08:32:30,413 WARN ]: Timeout [2018-06-25 08:32:30,413 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 08:32:30 BoogieIcfgContainer [2018-06-25 08:32:30,413 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 08:32:30,413 INFO ]: Toolchain (without parser) took 55591.49 ms. Allocated memory was 309.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 217.4 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 405.4 MB. Max. memory is 3.6 GB. [2018-06-25 08:32:30,414 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 309.9 MB. Free memory is still 275.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 08:32:30,415 INFO ]: ChcToBoogie took 157.78 ms. Allocated memory is still 309.9 MB. Free memory was 217.4 MB in the beginning and 212.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:32:30,415 INFO ]: Boogie Preprocessor took 109.46 ms. Allocated memory is still 309.9 MB. Free memory was 212.4 MB in the beginning and 208.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:32:30,416 INFO ]: RCFGBuilder took 2431.38 ms. Allocated memory was 309.9 MB in the beginning and 361.8 MB in the end (delta: 51.9 MB). Free memory was 208.4 MB in the beginning and 315.2 MB in the end (delta: -106.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 3.6 GB. [2018-06-25 08:32:30,416 INFO ]: TraceAbstraction took 52875.32 ms. Allocated memory was 361.8 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 315.2 MB in the beginning and 1.3 GB in the end (delta: -958.5 MB). Peak memory consumption was 451.3 MB. Max. memory is 3.6 GB. [2018-06-25 08:32:30,419 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 309.9 MB. Free memory is still 275.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 157.78 ms. Allocated memory is still 309.9 MB. Free memory was 217.4 MB in the beginning and 212.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 109.46 ms. Allocated memory is still 309.9 MB. Free memory was 212.4 MB in the beginning and 208.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 2431.38 ms. Allocated memory was 309.9 MB in the beginning and 361.8 MB in the end (delta: 51.9 MB). Free memory was 208.4 MB in the beginning and 315.2 MB in the end (delta: -106.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 3.6 GB. * TraceAbstraction took 52875.32 ms. Allocated memory was 361.8 MB in the beginning and 1.8 GB in the end (delta: 1.4 GB). Free memory was 315.2 MB in the beginning and 1.3 GB in the end (delta: -958.5 MB). Peak memory consumption was 451.3 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 (3106states) and interpolant automaton (currently 11 states, 8 states before enhancement), while ReachableStatesComputation was computing reachable states (385 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 146 locations, 1 error locations. TIMEOUT Result, 52.8s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 39.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2861 SDtfs, 1691 SDslu, 6097 SDs, 0 SdLazy, 16632 SolverSat, 4728 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3106occurred in iteration=6, 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: 9.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 2978 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 3184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 16/16 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/incremental2.42.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_08-32-30-429.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/incremental2.42.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_08-32-30-429.csv Completed graceful shutdown