java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/hopv/lia/termination/CE-1CFA01.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 01:54:56,019 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 01:54:56,021 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 01:54:56,038 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 01:54:56,038 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 01:54:56,040 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 01:54:56,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 01:54:56,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 01:54:56,044 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 01:54:56,046 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 01:54:56,047 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 01:54:56,047 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 01:54:56,048 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 01:54:56,053 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 01:54:56,054 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 01:54:56,055 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 01:54:56,065 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 01:54:56,066 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 01:54:56,068 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 01:54:56,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 01:54:56,072 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 01:54:56,075 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 01:54:56,075 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 01:54:56,075 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 01:54:56,079 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 01:54:56,080 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 01:54:56,081 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 01:54:56,081 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 01:54:56,089 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 01:54:56,089 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 01:54:56,090 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 01:54:56,091 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 01:54:56,091 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 01:54:56,092 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 01:54:56,094 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 01:54:56,095 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 01:54:56,117 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 01:54:56,118 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 01:54:56,118 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 01:54:56,118 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 01:54:56,119 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 01:54:56,120 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 01:54:56,120 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 01:54:56,120 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 01:54:56,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 01:54:56,120 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 01:54:56,121 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 01:54:56,121 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 01:54:56,121 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 01:54:56,121 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 01:54:56,121 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 01:54:56,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 01:54:56,122 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 01:54:56,125 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 01:54:56,126 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 01:54:56,180 INFO ]: Repository-Root is: /tmp [2018-06-22 01:54:56,195 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 01:54:56,200 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 01:54:56,201 INFO ]: Initializing SmtParser... [2018-06-22 01:54:56,202 INFO ]: SmtParser initialized [2018-06-22 01:54:56,202 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/CE-1CFA01.smt2 [2018-06-22 01:54:56,203 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 01:54:56,293 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/CE-1CFA01.smt2 unknown [2018-06-22 01:54:56,835 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/CE-1CFA01.smt2 [2018-06-22 01:54:56,839 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 01:54:56,853 INFO ]: Walking toolchain with 4 elements. [2018-06-22 01:54:56,854 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 01:54:56,854 INFO ]: Initializing ChcToBoogie... [2018-06-22 01:54:56,854 INFO ]: ChcToBoogie initialized [2018-06-22 01:54:56,857 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:54:56" (1/1) ... [2018-06-22 01:54:56,938 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:56 Unit [2018-06-22 01:54:56,938 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 01:54:56,939 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 01:54:56,939 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 01:54:56,939 INFO ]: Boogie Preprocessor initialized [2018-06-22 01:54:56,964 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:56" (1/1) ... [2018-06-22 01:54:56,964 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:56" (1/1) ... [2018-06-22 01:54:56,973 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:56" (1/1) ... [2018-06-22 01:54:56,973 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:56" (1/1) ... [2018-06-22 01:54:56,988 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:56" (1/1) ... [2018-06-22 01:54:57,001 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:56" (1/1) ... [2018-06-22 01:54:57,003 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:56" (1/1) ... [2018-06-22 01:54:57,015 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 01:54:57,015 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 01:54:57,016 INFO ]: Initializing RCFGBuilder... [2018-06-22 01:54:57,016 INFO ]: RCFGBuilder initialized [2018-06-22 01:54:57,017 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:56" (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 01:54:57,032 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 01:54:57,032 INFO ]: Found specification of procedure gotoProc [2018-06-22 01:54:57,032 INFO ]: Found implementation of procedure gotoProc [2018-06-22 01:54:57,032 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 01:54:57,032 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 01:54:57,032 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 01:54:58,487 INFO ]: Using library mode [2018-06-22 01:54:58,488 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:54:58 BoogieIcfgContainer [2018-06-22 01:54:58,488 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 01:54:58,490 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 01:54:58,490 INFO ]: Initializing TraceAbstraction... [2018-06-22 01:54:58,494 INFO ]: TraceAbstraction initialized [2018-06-22 01:54:58,494 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:54:56" (1/3) ... [2018-06-22 01:54:58,495 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3ae82b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:54:58, skipping insertion in model container [2018-06-22 01:54:58,495 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:54:56" (2/3) ... [2018-06-22 01:54:58,495 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3ae82b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:54:58, skipping insertion in model container [2018-06-22 01:54:58,495 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:54:58" (3/3) ... [2018-06-22 01:54:58,497 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 01:54:58,506 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 01:54:58,515 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 01:54:58,578 INFO ]: Using default assertion order modulation [2018-06-22 01:54:58,579 INFO ]: Interprodecural is true [2018-06-22 01:54:58,579 INFO ]: Hoare is false [2018-06-22 01:54:58,579 INFO ]: Compute interpolants for FPandBP [2018-06-22 01:54:58,579 INFO ]: Backedges is TWOTRACK [2018-06-22 01:54:58,579 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 01:54:58,579 INFO ]: Difference is false [2018-06-22 01:54:58,579 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 01:54:58,579 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 01:54:58,602 INFO ]: Start isEmpty. Operand 16 states. [2018-06-22 01:54:58,618 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-22 01:54:58,618 INFO ]: Found error trace [2018-06-22 01:54:58,619 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-22 01:54:58,619 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:54:58,625 INFO ]: Analyzing trace with hash -197465130, now seen corresponding path program 1 times [2018-06-22 01:54:58,627 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:54:58,628 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:54:58,676 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:54:58,676 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:54:58,676 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:54:58,717 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:54:58,750 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:54:58,753 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:54:58,753 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 01:54:58,755 INFO ]: Interpolant automaton has 2 states [2018-06-22 01:54:58,770 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 01:54:58,771 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 01:54:58,773 INFO ]: Start difference. First operand 16 states. Second operand 2 states. [2018-06-22 01:54:58,804 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:54:58,804 INFO ]: Finished difference Result 14 states and 16 transitions. [2018-06-22 01:54:58,804 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 01:54:58,805 INFO ]: Start accepts. Automaton has 2 states. Word has length 6 [2018-06-22 01:54:58,805 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:54:58,815 INFO ]: With dead ends: 14 [2018-06-22 01:54:58,815 INFO ]: Without dead ends: 13 [2018-06-22 01:54:58,817 INFO ]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 01:54:58,853 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 01:54:58,879 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 01:54:58,881 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 01:54:58,881 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 01:54:58,882 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 6 [2018-06-22 01:54:58,883 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:54:58,883 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 01:54:58,883 INFO ]: Interpolant automaton has 2 states. [2018-06-22 01:54:58,883 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 01:54:58,883 INFO ]: Finished isEmpty. Found accepting run of length 13 [2018-06-22 01:54:58,883 INFO ]: Found error trace [2018-06-22 01:54:58,883 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 01:54:58,883 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 01:54:58,884 INFO ]: Analyzing trace with hash 1175401275, now seen corresponding path program 1 times [2018-06-22 01:54:58,884 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 01:54:58,884 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 01:54:58,885 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:54:58,885 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 01:54:58,885 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 01:54:58,943 INFO ]: Conjunction of SSA is unsat [2018-06-22 01:54:59,380 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 01:54:59,380 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 01:54:59,380 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-22 01:54:59,381 INFO ]: Interpolant automaton has 7 states [2018-06-22 01:54:59,382 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 01:54:59,382 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-22 01:54:59,382 INFO ]: Start difference. First operand 13 states and 14 transitions. Second operand 7 states. [2018-06-22 01:54:59,684 WARN ]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-06-22 01:55:00,048 WARN ]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-06-22 01:55:00,197 WARN ]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-06-22 01:55:00,289 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 01:55:00,289 INFO ]: Finished difference Result 12 states and 14 transitions. [2018-06-22 01:55:00,290 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 01:55:00,290 INFO ]: Start accepts. Automaton has 7 states. Word has length 12 [2018-06-22 01:55:00,290 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 01:55:00,290 INFO ]: With dead ends: 12 [2018-06-22 01:55:00,290 INFO ]: Without dead ends: 0 [2018-06-22 01:55:00,291 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-06-22 01:55:00,291 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 01:55:00,291 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 01:55:00,291 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 01:55:00,291 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 01:55:00,291 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-06-22 01:55:00,291 INFO ]: Finished accepts. word is rejected. [2018-06-22 01:55:00,291 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 01:55:00,291 INFO ]: Interpolant automaton has 7 states. [2018-06-22 01:55:00,292 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 01:55:00,292 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 01:55:00,297 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:55:00 BoogieIcfgContainer [2018-06-22 01:55:00,297 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 01:55:00,298 INFO ]: Toolchain (without parser) took 3457.93 ms. Allocated memory was 316.7 MB in the beginning and 329.3 MB in the end (delta: 12.6 MB). Free memory was 243.1 MB in the beginning and 266.6 MB in the end (delta: -23.5 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 01:55:00,299 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 316.7 MB. Free memory is still 282.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 01:55:00,299 INFO ]: ChcToBoogie took 84.84 ms. Allocated memory is still 316.7 MB. Free memory was 243.1 MB in the beginning and 240.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:55:00,300 INFO ]: Boogie Preprocessor took 76.06 ms. Allocated memory is still 316.7 MB. Free memory was 240.1 MB in the beginning and 238.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:55:00,301 INFO ]: RCFGBuilder took 1472.99 ms. Allocated memory is still 316.7 MB. Free memory was 238.1 MB in the beginning and 211.0 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 3.6 GB. [2018-06-22 01:55:00,301 INFO ]: TraceAbstraction took 1807.19 ms. Allocated memory was 316.7 MB in the beginning and 329.3 MB in the end (delta: 12.6 MB). Free memory was 211.0 MB in the beginning and 266.6 MB in the end (delta: -55.6 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 01:55:00,304 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 316.7 MB. Free memory is still 282.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 84.84 ms. Allocated memory is still 316.7 MB. Free memory was 243.1 MB in the beginning and 240.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 76.06 ms. Allocated memory is still 316.7 MB. Free memory was 240.1 MB in the beginning and 238.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1472.99 ms. Allocated memory is still 316.7 MB. Free memory was 238.1 MB in the beginning and 211.0 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 1807.19 ms. Allocated memory was 316.7 MB in the beginning and 329.3 MB in the end (delta: 12.6 MB). Free memory was 211.0 MB in the beginning and 266.6 MB in the end (delta: -55.6 MB). There was no memory consumed. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 13 SDslu, 19 SDs, 0 SdLazy, 17 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-1CFA01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_01-55-00-315.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/CE-1CFA01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_01-55-00-315.csv Received shutdown request...