java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf -i '/storage/chc-comp/llreve-bench/smt2/faulty__loop5!.smt2' -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:56:08,007 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:56:08,009 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:56:08,020 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:56:08,020 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:56:08,021 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:56:08,022 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:56:08,026 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:56:08,027 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:56:08,027 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:56:08,028 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:56:08,028 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:56:08,029 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:56:08,030 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:56:08,030 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:56:08,031 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:56:08,033 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:56:08,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:56:08,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:56:08,037 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:56:08,038 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:56:08,040 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:56:08,041 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:56:08,041 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:56:08,042 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:56:08,043 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:56:08,043 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:56:08,044 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:56:08,045 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:56:08,046 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:56:08,046 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:56:08,047 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:56:08,047 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:56:08,048 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:56:08,049 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:56:08,049 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 11:56:08,067 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:56:08,067 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:56:08,068 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:56:08,075 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:56:08,076 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:56:08,076 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:56:08,076 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:56:08,077 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:56:08,077 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:56:08,077 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:56:08,077 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:56:08,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:56:08,078 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:56:08,078 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:56:08,078 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:56:08,078 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:56:08,079 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:56:08,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:56:08,079 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:56:08,080 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:56:08,081 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:56:08,130 INFO ]: Repository-Root is: /tmp [2018-06-22 11:56:08,144 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:56:08,147 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:56:08,149 INFO ]: Initializing SmtParser... [2018-06-22 11:56:08,149 INFO ]: SmtParser initialized [2018-06-22 11:56:08,150 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/llreve-bench/smt2/faulty__loop5!.smt2 [2018-06-22 11:56:08,151 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 11:56:08,247 INFO ]: Executing SMT file /storage/chc-comp/llreve-bench/smt2/faulty__loop5!.smt2 unknown de.uni_freiburg.informatik.ultimate.plugins.generator.treeautomizer.parsing.HornClauseParserScript$1@662fad7d [2018-06-22 11:56:08,441 INFO ]: Succesfully executed SMT file /storage/chc-comp/llreve-bench/smt2/faulty__loop5!.smt2 [2018-06-22 11:56:08,453 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:56:08,468 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:56:08,468 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:56:08,468 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:56:08,468 INFO ]: ChcToBoogie initialized [2018-06-22 11:56:08,471 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:56:08" (1/1) ... [2018-06-22 11:56:08,516 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:08 Unit [2018-06-22 11:56:08,516 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:56:08,516 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:56:08,517 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:56:08,517 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:56:08,539 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:08" (1/1) ... [2018-06-22 11:56:08,539 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:08" (1/1) ... [2018-06-22 11:56:08,546 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:08" (1/1) ... [2018-06-22 11:56:08,547 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:08" (1/1) ... [2018-06-22 11:56:08,549 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:08" (1/1) ... [2018-06-22 11:56:08,551 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:08" (1/1) ... [2018-06-22 11:56:08,551 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:08" (1/1) ... [2018-06-22 11:56:08,552 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:56:08,553 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:56:08,553 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:56:08,553 INFO ]: RCFGBuilder initialized [2018-06-22 11:56:08,554 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:08" (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 [2018-06-22 11:56:08,564 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:56:08,564 INFO ]: Found specification of procedure False [2018-06-22 11:56:08,565 INFO ]: Found implementation of procedure False [2018-06-22 11:56:08,565 INFO ]: Specification and implementation of procedure INV_MAIN_42 given in one single declaration [2018-06-22 11:56:08,565 INFO ]: Found specification of procedure INV_MAIN_42 [2018-06-22 11:56:08,565 INFO ]: Found implementation of procedure INV_MAIN_42 [2018-06-22 11:56:08,565 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:56:08,565 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:56:08,565 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 11:56:08,718 INFO ]: Using library mode [2018-06-22 11:56:08,719 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:56:08 BoogieIcfgContainer [2018-06-22 11:56:08,719 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:56:08,720 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:56:08,720 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:56:08,723 INFO ]: TraceAbstraction initialized [2018-06-22 11:56:08,723 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:56:08" (1/3) ... [2018-06-22 11:56:08,724 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bd6f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:56:08, skipping insertion in model container [2018-06-22 11:56:08,724 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:56:08" (2/3) ... [2018-06-22 11:56:08,725 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18bd6f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:56:08, skipping insertion in model container [2018-06-22 11:56:08,725 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:56:08" (3/3) ... [2018-06-22 11:56:08,727 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:56:08,736 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:56:08,743 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:56:08,776 INFO ]: Using default assertion order modulation [2018-06-22 11:56:08,776 INFO ]: Interprodecural is true [2018-06-22 11:56:08,776 INFO ]: Hoare is false [2018-06-22 11:56:08,776 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:56:08,776 INFO ]: Backedges is TWOTRACK [2018-06-22 11:56:08,776 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:56:08,776 INFO ]: Difference is false [2018-06-22 11:56:08,776 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:56:08,777 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:56:08,789 INFO ]: Start isEmpty. Operand 15 states. [2018-06-22 11:56:08,802 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 11:56:08,802 INFO ]: Found error trace [2018-06-22 11:56:08,803 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:56:08,803 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:56:08,808 INFO ]: Analyzing trace with hash -1140319126, now seen corresponding path program 1 times [2018-06-22 11:56:08,810 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:56:08,811 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:56:08,841 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:08,841 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:56:08,841 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:08,874 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:56:09,023 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:56:09,025 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:56:09,025 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 11:56:09,027 INFO ]: Interpolant automaton has 4 states [2018-06-22 11:56:09,061 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 11:56:09,062 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:56:09,063 INFO ]: Start difference. First operand 15 states. Second operand 4 states. [2018-06-22 11:56:09,190 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:56:09,190 INFO ]: Finished difference Result 15 states and 22 transitions. [2018-06-22 11:56:09,190 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 11:56:09,191 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 11:56:09,192 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:56:09,199 INFO ]: With dead ends: 15 [2018-06-22 11:56:09,199 INFO ]: Without dead ends: 15 [2018-06-22 11:56:09,201 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:56:09,213 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-22 11:56:09,238 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-22 11:56:09,238 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-22 11:56:09,239 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2018-06-22 11:56:09,242 INFO ]: Start accepts. Automaton has 15 states and 22 transitions. Word has length 9 [2018-06-22 11:56:09,243 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:56:09,243 INFO ]: Abstraction has 15 states and 22 transitions. [2018-06-22 11:56:09,243 INFO ]: Interpolant automaton has 4 states. [2018-06-22 11:56:09,243 INFO ]: Start isEmpty. Operand 15 states and 22 transitions. [2018-06-22 11:56:09,244 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 11:56:09,244 INFO ]: Found error trace [2018-06-22 11:56:09,244 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:56:09,245 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:56:09,245 INFO ]: Analyzing trace with hash -52273233, now seen corresponding path program 1 times [2018-06-22 11:56:09,245 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:56:09,245 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:56:09,246 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:09,247 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:56:09,247 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:09,263 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:56:09,354 INFO ]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 11:56:09,354 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:56:09,354 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 11:56:09,356 INFO ]: Interpolant automaton has 4 states [2018-06-22 11:56:09,356 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 11:56:09,356 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:56:09,356 INFO ]: Start difference. First operand 15 states and 22 transitions. Second operand 4 states. [2018-06-22 11:56:09,547 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:56:09,547 INFO ]: Finished difference Result 17 states and 26 transitions. [2018-06-22 11:56:09,548 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 11:56:09,548 INFO ]: Start accepts. Automaton has 4 states. Word has length 13 [2018-06-22 11:56:09,548 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:56:09,549 INFO ]: With dead ends: 17 [2018-06-22 11:56:09,549 INFO ]: Without dead ends: 17 [2018-06-22 11:56:09,550 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 11:56:09,550 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-22 11:56:09,554 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 15. [2018-06-22 11:56:09,554 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-22 11:56:09,555 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2018-06-22 11:56:09,555 INFO ]: Start accepts. Automaton has 15 states and 21 transitions. Word has length 13 [2018-06-22 11:56:09,555 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:56:09,555 INFO ]: Abstraction has 15 states and 21 transitions. [2018-06-22 11:56:09,555 INFO ]: Interpolant automaton has 4 states. [2018-06-22 11:56:09,555 INFO ]: Start isEmpty. Operand 15 states and 21 transitions. [2018-06-22 11:56:09,558 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 11:56:09,558 INFO ]: Found error trace [2018-06-22 11:56:09,558 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:56:09,558 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:56:09,558 INFO ]: Analyzing trace with hash 95502924, now seen corresponding path program 1 times [2018-06-22 11:56:09,558 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:56:09,558 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:56:09,559 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:09,559 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:56:09,559 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:56:09,581 INFO ]: Conjunction of SSA is sat [2018-06-22 11:56:09,583 INFO ]: Counterexample might be feasible [2018-06-22 11:56:09,611 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:56:09 BoogieIcfgContainer [2018-06-22 11:56:09,611 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:56:09,612 INFO ]: Toolchain (without parser) took 1158.04 ms. Allocated memory is still 308.3 MB. Free memory was 264.7 MB in the beginning and 224.8 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 3.6 GB. [2018-06-22 11:56:09,613 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:56:09,614 INFO ]: ChcToBoogie took 48.10 ms. Allocated memory is still 308.3 MB. Free memory was 264.7 MB in the beginning and 262.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:56:09,614 INFO ]: Boogie Preprocessor took 35.96 ms. Allocated memory is still 308.3 MB. Free memory was 262.7 MB in the beginning and 260.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:56:09,615 INFO ]: RCFGBuilder took 165.87 ms. Allocated memory is still 308.3 MB. Free memory was 260.7 MB in the beginning and 254.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:56:09,617 INFO ]: TraceAbstraction took 890.78 ms. Allocated memory is still 308.3 MB. Free memory was 252.7 MB in the beginning and 224.8 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 3.6 GB. [2018-06-22 11:56:09,622 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 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 48.10 ms. Allocated memory is still 308.3 MB. Free memory was 264.7 MB in the beginning and 262.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 35.96 ms. Allocated memory is still 308.3 MB. Free memory was 262.7 MB in the beginning and 260.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 165.87 ms. Allocated memory is still 308.3 MB. Free memory was 260.7 MB in the beginning and 254.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 890.78 ms. Allocated memory is still 308.3 MB. Free memory was 252.7 MB in the beginning and 224.8 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call False(); [L0] assume (!(hbv_False_1_Int < hbv_False_2_Int + hbv_False_2_Int) && !(hbv_False_5_Int > 0)) && !(hbv_False_3_Int == hbv_False_4_Int); [L0] CALL call INV_MAIN_42(hbv_False_1_Int, hbv_False_3_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_4_Int); [L0] assume ((hhv_INV_MAIN_42_3_Int == hbv_INV_MAIN_42_1_Int - 1 && hhv_INV_MAIN_42_4_Int == hbv_INV_MAIN_42_2_Int + 2) && !(hhv_INV_MAIN_42_0_Int < hhv_INV_MAIN_42_2_Int + hhv_INV_MAIN_42_2_Int)) && hbv_INV_MAIN_42_1_Int > 0; [L0] CALL call INV_MAIN_42(hhv_INV_MAIN_42_0_Int, hhv_INV_MAIN_42_1_Int, hhv_INV_MAIN_42_2_Int, hbv_INV_MAIN_42_1_Int, hbv_INV_MAIN_42_2_Int); [L0] assume (((hhv_INV_MAIN_42_4_Int == 0 && hhv_INV_MAIN_42_1_Int == 0) && hhv_INV_MAIN_42_2_Int == hbv_INV_MAIN_42_1_Int) && hhv_INV_MAIN_42_0_Int == 0) && hhv_INV_MAIN_42_3_Int == hbv_INV_MAIN_42_1_Int + 1; [L0] RET call INV_MAIN_42(hhv_INV_MAIN_42_0_Int, hhv_INV_MAIN_42_1_Int, hhv_INV_MAIN_42_2_Int, hbv_INV_MAIN_42_1_Int, hbv_INV_MAIN_42_2_Int); [L0] RET call INV_MAIN_42(hbv_False_1_Int, hbv_False_3_Int, hbv_False_2_Int, hbv_False_5_Int, hbv_False_4_Int); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32 SDtfs, 2 SDslu, 34 SDs, 0 SdLazy, 48 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/faulty__loop5!.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-56-09-643.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/faulty__loop5!.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-56-09-643.csv Received shutdown request...