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/ch-triangle-location-nr.4.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 08:18:48,759 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 08:18:48,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 08:18:48,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 08:18:48,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 08:18:48,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 08:18:48,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 08:18:48,776 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 08:18:48,778 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 08:18:48,779 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 08:18:48,779 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 08:18:48,780 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 08:18:48,781 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 08:18:48,784 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 08:18:48,785 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 08:18:48,785 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 08:18:48,790 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 08:18:48,792 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 08:18:48,805 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 08:18:48,806 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 08:18:48,807 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 08:18:48,809 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 08:18:48,809 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 08:18:48,810 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 08:18:48,810 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 08:18:48,811 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 08:18:48,812 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 08:18:48,818 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 08:18:48,823 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 08:18:48,823 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 08:18:48,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 08:18:48,824 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 08:18:48,825 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 08:18:48,825 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 08:18:48,826 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 08:18:48,826 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 08:18:48,840 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 08:18:48,840 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 08:18:48,841 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 08:18:48,841 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 08:18:48,842 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 08:18:48,842 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 08:18:48,842 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 08:18:48,843 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 08:18:48,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 08:18:48,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 08:18:48,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 08:18:48,843 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 08:18:48,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 08:18:48,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 08:18:48,844 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 08:18:48,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 08:18:48,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 08:18:48,844 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 08:18:48,846 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 08:18:48,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 08:18:48,846 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 08:18:48,848 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 08:18:48,848 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 08:18:48,903 INFO ]: Repository-Root is: /tmp [2018-06-25 08:18:48,920 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 08:18:48,925 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 08:18:48,927 INFO ]: Initializing SmtParser... [2018-06-25 08:18:48,927 INFO ]: SmtParser initialized [2018-06-25 08:18:48,928 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/ch-triangle-location-nr.4.smt2 [2018-06-25 08:18:48,930 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 08:18:49,021 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/ch-triangle-location-nr.4.smt2 unknown [2018-06-25 08:18:49,491 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/ch-triangle-location-nr.4.smt2 [2018-06-25 08:18:49,500 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 08:18:49,508 INFO ]: Walking toolchain with 4 elements. [2018-06-25 08:18:49,508 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 08:18:49,509 INFO ]: Initializing ChcToBoogie... [2018-06-25 08:18:49,509 INFO ]: ChcToBoogie initialized [2018-06-25 08:18:49,512 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:18:49" (1/1) ... [2018-06-25 08:18:49,605 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:18:49 Unit [2018-06-25 08:18:49,605 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 08:18:49,606 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 08:18:49,606 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 08:18:49,606 INFO ]: Boogie Preprocessor initialized [2018-06-25 08:18:49,621 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:18:49" (1/1) ... [2018-06-25 08:18:49,621 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:18:49" (1/1) ... [2018-06-25 08:18:49,631 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:18:49" (1/1) ... [2018-06-25 08:18:49,632 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:18:49" (1/1) ... [2018-06-25 08:18:49,652 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:18:49" (1/1) ... [2018-06-25 08:18:49,656 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:18:49" (1/1) ... [2018-06-25 08:18:49,659 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:18:49" (1/1) ... [2018-06-25 08:18:49,663 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 08:18:49,663 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 08:18:49,664 INFO ]: Initializing RCFGBuilder... [2018-06-25 08:18:49,664 INFO ]: RCFGBuilder initialized [2018-06-25 08:18:49,664 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:18:49" (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) [2018-06-25 08:18:49,675 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 08:18:49,676 INFO ]: Found specification of procedure gotoProc [2018-06-25 08:18:49,676 INFO ]: Found implementation of procedure gotoProc [2018-06-25 08:18:49,676 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 08:18:49,676 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 08:18:49,676 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 [2018-06-25 08:18:51,010 INFO ]: Using library mode [2018-06-25 08:18:51,011 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:18:51 BoogieIcfgContainer [2018-06-25 08:18:51,011 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 08:18:51,012 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 08:18:51,012 INFO ]: Initializing TraceAbstraction... [2018-06-25 08:18:51,017 INFO ]: TraceAbstraction initialized [2018-06-25 08:18:51,017 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:18:49" (1/3) ... [2018-06-25 08:18:51,018 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b435d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 08:18:51, skipping insertion in model container [2018-06-25 08:18:51,018 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:18:49" (2/3) ... [2018-06-25 08:18:51,018 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b435d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 08:18:51, skipping insertion in model container [2018-06-25 08:18:51,018 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:18:51" (3/3) ... [2018-06-25 08:18:51,021 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 08:18:51,030 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 08:18:51,039 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 08:18:51,090 INFO ]: Using default assertion order modulation [2018-06-25 08:18:51,091 INFO ]: Interprodecural is true [2018-06-25 08:18:51,091 INFO ]: Hoare is false [2018-06-25 08:18:51,091 INFO ]: Compute interpolants for FPandBP [2018-06-25 08:18:51,091 INFO ]: Backedges is TWOTRACK [2018-06-25 08:18:51,091 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 08:18:51,091 INFO ]: Difference is false [2018-06-25 08:18:51,091 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 08:18:51,091 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 08:18:51,113 INFO ]: Start isEmpty. Operand 145 states. [2018-06-25 08:18:51,133 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 08:18:51,133 INFO ]: Found error trace [2018-06-25 08:18:51,134 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:18:51,135 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:18:51,139 INFO ]: Analyzing trace with hash -1865937404, now seen corresponding path program 1 times [2018-06-25 08:18:51,141 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:18:51,141 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:18:51,175 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:18:51,175 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:18:51,175 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:18:51,227 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:18:51,428 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:18:51,429 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:18:51,429 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-25 08:18:51,431 INFO ]: Interpolant automaton has 4 states [2018-06-25 08:18:51,442 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-25 08:18:51,442 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-25 08:18:51,444 INFO ]: Start difference. First operand 145 states. Second operand 4 states. [2018-06-25 08:18:54,119 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:18:54,119 INFO ]: Finished difference Result 283 states and 557 transitions. [2018-06-25 08:18:54,152 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 08:18:54,153 INFO ]: Start accepts. Automaton has 4 states. Word has length 8 [2018-06-25 08:18:54,154 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:18:54,205 INFO ]: With dead ends: 283 [2018-06-25 08:18:54,205 INFO ]: Without dead ends: 281 [2018-06-25 08:18:54,207 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 08:18:54,226 INFO ]: Start minimizeSevpa. Operand 281 states. [2018-06-25 08:18:54,332 INFO ]: Finished minimizeSevpa. Reduced states from 281 to 281. [2018-06-25 08:18:54,333 INFO ]: Start removeUnreachable. Operand 281 states. [2018-06-25 08:18:54,355 INFO ]: Finished removeUnreachable. Reduced from 281 states to 281 states and 555 transitions. [2018-06-25 08:18:54,356 INFO ]: Start accepts. Automaton has 281 states and 555 transitions. Word has length 8 [2018-06-25 08:18:54,357 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:18:54,357 INFO ]: Abstraction has 281 states and 555 transitions. [2018-06-25 08:18:54,357 INFO ]: Interpolant automaton has 4 states. [2018-06-25 08:18:54,357 INFO ]: Start isEmpty. Operand 281 states and 555 transitions. [2018-06-25 08:18:54,364 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-25 08:18:54,364 INFO ]: Found error trace [2018-06-25 08:18:54,364 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:18:54,364 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:18:54,364 INFO ]: Analyzing trace with hash -1860090993, now seen corresponding path program 1 times [2018-06-25 08:18:54,364 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:18:54,364 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:18:54,365 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:18:54,365 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:18:54,365 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:18:54,372 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:18:54,512 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:18:54,512 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:18:54,513 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-25 08:18:54,514 INFO ]: Interpolant automaton has 4 states [2018-06-25 08:18:54,514 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-25 08:18:54,514 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-25 08:18:54,514 INFO ]: Start difference. First operand 281 states and 555 transitions. Second operand 4 states. [2018-06-25 08:18:56,660 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:18:56,661 INFO ]: Finished difference Result 420 states and 831 transitions. [2018-06-25 08:18:56,661 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 08:18:56,661 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-25 08:18:56,661 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:18:56,688 INFO ]: With dead ends: 420 [2018-06-25 08:18:56,688 INFO ]: Without dead ends: 420 [2018-06-25 08:18:56,689 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 08:18:56,689 INFO ]: Start minimizeSevpa. Operand 420 states. [2018-06-25 08:18:56,790 INFO ]: Finished minimizeSevpa. Reduced states from 420 to 420. [2018-06-25 08:18:56,790 INFO ]: Start removeUnreachable. Operand 420 states. [2018-06-25 08:18:56,842 INFO ]: Finished removeUnreachable. Reduced from 420 states to 420 states and 831 transitions. [2018-06-25 08:18:56,843 INFO ]: Start accepts. Automaton has 420 states and 831 transitions. Word has length 9 [2018-06-25 08:18:56,843 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:18:56,843 INFO ]: Abstraction has 420 states and 831 transitions. [2018-06-25 08:18:56,843 INFO ]: Interpolant automaton has 4 states. [2018-06-25 08:18:56,843 INFO ]: Start isEmpty. Operand 420 states and 831 transitions. [2018-06-25 08:18:56,847 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-25 08:18:56,849 INFO ]: Found error trace [2018-06-25 08:18:56,849 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:18:56,849 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:18:56,849 INFO ]: Analyzing trace with hash -1341767087, now seen corresponding path program 1 times [2018-06-25 08:18:56,849 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:18:56,849 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:18:56,850 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:18:56,850 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:18:56,850 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:18:56,868 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:18:56,914 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:18:56,914 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:18:56,914 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-25 08:18:56,914 INFO ]: Interpolant automaton has 4 states [2018-06-25 08:18:56,914 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-25 08:18:56,914 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-25 08:18:56,914 INFO ]: Start difference. First operand 420 states and 831 transitions. Second operand 4 states. [2018-06-25 08:18:58,189 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:18:58,189 INFO ]: Finished difference Result 558 states and 1106 transitions. [2018-06-25 08:18:58,189 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 08:18:58,189 INFO ]: Start accepts. Automaton has 4 states. Word has length 10 [2018-06-25 08:18:58,189 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:18:58,220 INFO ]: With dead ends: 558 [2018-06-25 08:18:58,220 INFO ]: Without dead ends: 558 [2018-06-25 08:18:58,220 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-25 08:18:58,221 INFO ]: Start minimizeSevpa. Operand 558 states. [2018-06-25 08:18:58,306 INFO ]: Finished minimizeSevpa. Reduced states from 558 to 558. [2018-06-25 08:18:58,306 INFO ]: Start removeUnreachable. Operand 558 states. [2018-06-25 08:18:58,322 INFO ]: Finished removeUnreachable. Reduced from 558 states to 558 states and 1106 transitions. [2018-06-25 08:18:58,322 INFO ]: Start accepts. Automaton has 558 states and 1106 transitions. Word has length 10 [2018-06-25 08:18:58,322 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:18:58,323 INFO ]: Abstraction has 558 states and 1106 transitions. [2018-06-25 08:18:58,323 INFO ]: Interpolant automaton has 4 states. [2018-06-25 08:18:58,323 INFO ]: Start isEmpty. Operand 558 states and 1106 transitions. [2018-06-25 08:18:58,326 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-25 08:18:58,326 INFO ]: Found error trace [2018-06-25 08:18:58,326 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:18:58,326 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:18:58,326 INFO ]: Analyzing trace with hash -1392560742, now seen corresponding path program 1 times [2018-06-25 08:18:58,326 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:18:58,326 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:18:58,327 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:18:58,327 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:18:58,327 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:18:58,347 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:18:58,434 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:18:58,434 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:18:58,434 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-25 08:18:58,434 INFO ]: Interpolant automaton has 4 states [2018-06-25 08:18:58,434 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-25 08:18:58,434 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-25 08:18:58,434 INFO ]: Start difference. First operand 558 states and 1106 transitions. Second operand 4 states. [2018-06-25 08:19:00,288 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:19:00,288 INFO ]: Finished difference Result 696 states and 1381 transitions. [2018-06-25 08:19:00,288 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-25 08:19:00,288 INFO ]: Start accepts. Automaton has 4 states. Word has length 10 [2018-06-25 08:19:00,288 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:19:00,315 INFO ]: With dead ends: 696 [2018-06-25 08:19:00,315 INFO ]: Without dead ends: 696 [2018-06-25 08:19:00,315 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-25 08:19:00,320 INFO ]: Start minimizeSevpa. Operand 696 states. [2018-06-25 08:19:00,412 INFO ]: Finished minimizeSevpa. Reduced states from 696 to 696. [2018-06-25 08:19:00,412 INFO ]: Start removeUnreachable. Operand 696 states. [2018-06-25 08:19:00,429 INFO ]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1381 transitions. [2018-06-25 08:19:00,429 INFO ]: Start accepts. Automaton has 696 states and 1381 transitions. Word has length 10 [2018-06-25 08:19:00,429 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:19:00,429 INFO ]: Abstraction has 696 states and 1381 transitions. [2018-06-25 08:19:00,430 INFO ]: Interpolant automaton has 4 states. [2018-06-25 08:19:00,430 INFO ]: Start isEmpty. Operand 696 states and 1381 transitions. [2018-06-25 08:19:00,461 INFO ]: Finished isEmpty. Found accepting run of length 21 [2018-06-25 08:19:00,461 INFO ]: Found error trace [2018-06-25 08:19:00,461 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:19:00,461 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:19:00,461 INFO ]: Analyzing trace with hash 1143612395, now seen corresponding path program 1 times [2018-06-25 08:19:00,461 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:19:00,461 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:19:00,462 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:19:00,462 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:19:00,462 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:19:00,501 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:19:00,616 INFO ]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:19:00,617 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:19:00,617 INFO ]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-06-25 08:19:00,617 INFO ]: Interpolant automaton has 8 states [2018-06-25 08:19:00,617 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-25 08:19:00,617 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-25 08:19:00,617 INFO ]: Start difference. First operand 696 states and 1381 transitions. Second operand 8 states. [2018-06-25 08:19:15,438 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:19:15,438 INFO ]: Finished difference Result 2117 states and 13682 transitions. [2018-06-25 08:19:15,439 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-06-25 08:19:15,439 INFO ]: Start accepts. Automaton has 8 states. Word has length 20 [2018-06-25 08:19:15,439 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:19:16,111 INFO ]: With dead ends: 2117 [2018-06-25 08:19:16,111 INFO ]: Without dead ends: 2097 [2018-06-25 08:19:16,112 INFO ]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2018-06-25 08:19:16,113 INFO ]: Start minimizeSevpa. Operand 2097 states. [2018-06-25 08:19:17,483 INFO ]: Finished minimizeSevpa. Reduced states from 2097 to 1243. [2018-06-25 08:19:17,483 INFO ]: Start removeUnreachable. Operand 1243 states. [2018-06-25 08:19:17,525 INFO ]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 3294 transitions. [2018-06-25 08:19:17,525 INFO ]: Start accepts. Automaton has 1243 states and 3294 transitions. Word has length 20 [2018-06-25 08:19:17,525 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:19:17,525 INFO ]: Abstraction has 1243 states and 3294 transitions. [2018-06-25 08:19:17,525 INFO ]: Interpolant automaton has 8 states. [2018-06-25 08:19:17,525 INFO ]: Start isEmpty. Operand 1243 states and 3294 transitions. [2018-06-25 08:19:17,589 INFO ]: Finished isEmpty. Found accepting run of length 21 [2018-06-25 08:19:17,589 INFO ]: Found error trace [2018-06-25 08:19:17,589 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:19:17,589 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:19:17,590 INFO ]: Analyzing trace with hash -1362004009, now seen corresponding path program 1 times [2018-06-25 08:19:17,590 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:19:17,590 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:19:17,590 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:19:17,590 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:19:17,590 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:19:17,629 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:19:17,756 INFO ]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:19:17,756 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:19:17,756 INFO ]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-06-25 08:19:17,756 INFO ]: Interpolant automaton has 8 states [2018-06-25 08:19:17,756 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-25 08:19:17,756 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-25 08:19:17,756 INFO ]: Start difference. First operand 1243 states and 3294 transitions. Second operand 8 states. [2018-06-25 08:19:33,237 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:19:33,237 INFO ]: Finished difference Result 4134 states and 35842 transitions. [2018-06-25 08:19:33,258 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-06-25 08:19:33,258 INFO ]: Start accepts. Automaton has 8 states. Word has length 20 [2018-06-25 08:19:33,258 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:19:35,251 INFO ]: With dead ends: 4134 [2018-06-25 08:19:35,251 INFO ]: Without dead ends: 3510 [2018-06-25 08:19:35,251 INFO ]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2018-06-25 08:19:35,253 INFO ]: Start minimizeSevpa. Operand 3510 states. [2018-06-25 08:19:38,116 INFO ]: Finished minimizeSevpa. Reduced states from 3510 to 2096. [2018-06-25 08:19:38,116 INFO ]: Start removeUnreachable. Operand 2096 states. [2018-06-25 08:19:38,287 INFO ]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 6831 transitions. [2018-06-25 08:19:38,287 INFO ]: Start accepts. Automaton has 2096 states and 6831 transitions. Word has length 20 [2018-06-25 08:19:38,313 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:19:38,314 INFO ]: Abstraction has 2096 states and 6831 transitions. [2018-06-25 08:19:38,314 INFO ]: Interpolant automaton has 8 states. [2018-06-25 08:19:38,314 INFO ]: Start isEmpty. Operand 2096 states and 6831 transitions. [2018-06-25 08:19:38,347 INFO ]: Finished isEmpty. Found accepting run of length 21 [2018-06-25 08:19:38,348 INFO ]: Found error trace [2018-06-25 08:19:38,348 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:19:38,348 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:19:38,349 INFO ]: Analyzing trace with hash 678171101, now seen corresponding path program 1 times [2018-06-25 08:19:38,349 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:19:38,349 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:19:38,350 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:19:38,350 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:19:38,350 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:19:38,385 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:19:38,612 INFO ]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-25 08:19:38,613 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:19:38,613 INFO ]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-06-25 08:19:38,613 INFO ]: Interpolant automaton has 8 states [2018-06-25 08:19:38,613 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-25 08:19:38,613 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-25 08:19:38,613 INFO ]: Start difference. First operand 2096 states and 6831 transitions. Second operand 8 states. Received shutdown request... [2018-06-25 08:19:51,390 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-06-25 08:19:51,390 WARN ]: Verification canceled [2018-06-25 08:19:51,395 WARN ]: Timeout [2018-06-25 08:19:51,395 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 08:19:51 BoogieIcfgContainer [2018-06-25 08:19:51,395 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 08:19:51,395 INFO ]: Toolchain (without parser) took 61894.94 ms. Allocated memory was 309.3 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 253.9 MB in the beginning and 1.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 462.8 MB. Max. memory is 3.6 GB. [2018-06-25 08:19:51,398 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.9 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 08:19:51,398 INFO ]: ChcToBoogie took 96.88 ms. Allocated memory is still 309.3 MB. Free memory was 253.9 MB in the beginning and 249.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:19:51,399 INFO ]: Boogie Preprocessor took 57.40 ms. Allocated memory is still 309.3 MB. Free memory was 249.9 MB in the beginning and 247.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:19:51,399 INFO ]: RCFGBuilder took 1347.58 ms. Allocated memory was 309.3 MB in the beginning and 327.2 MB in the end (delta: 17.8 MB). Free memory was 247.9 MB in the beginning and 293.2 MB in the end (delta: -45.4 MB). Peak memory consumption was 66.3 MB. Max. memory is 3.6 GB. [2018-06-25 08:19:51,400 INFO ]: TraceAbstraction took 60382.55 ms. Allocated memory was 327.2 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 291.7 MB in the beginning and 1.3 GB in the end (delta: -988.8 MB). Peak memory consumption was 482.9 MB. Max. memory is 3.6 GB. [2018-06-25 08:19:51,407 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.9 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 96.88 ms. Allocated memory is still 309.3 MB. Free memory was 253.9 MB in the beginning and 249.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 57.40 ms. Allocated memory is still 309.3 MB. Free memory was 249.9 MB in the beginning and 247.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1347.58 ms. Allocated memory was 309.3 MB in the beginning and 327.2 MB in the end (delta: 17.8 MB). Free memory was 247.9 MB in the beginning and 293.2 MB in the end (delta: -45.4 MB). Peak memory consumption was 66.3 MB. Max. memory is 3.6 GB. * TraceAbstraction took 60382.55 ms. Allocated memory was 327.2 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 291.7 MB in the beginning and 1.3 GB in the end (delta: -988.8 MB). Peak memory consumption was 482.9 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 (2096states) and interpolant automaton (currently 27 states, 8 states before enhancement), while ReachableStatesComputation was computing reachable states (7183 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 145 locations, 1 error locations. TIMEOUT Result, 60.3s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 53.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3770 SDtfs, 1817 SDslu, 9025 SDs, 0 SdLazy, 24565 SolverSat, 9960 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2096occurred 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: 4.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 2268 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 3410 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 12/12 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/ch-triangle-location-nr.4.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_08-19-51-425.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ch-triangle-location-nr.4.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_08-19-51-425.csv Completed graceful shutdown