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/vmt-chc-benchmarks/lustre/_6counter.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 13:48:22,413 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 13:48:22,416 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 13:48:22,430 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 13:48:22,431 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 13:48:22,432 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 13:48:22,433 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 13:48:22,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 13:48:22,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 13:48:22,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 13:48:22,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 13:48:22,440 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 13:48:22,441 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 13:48:22,442 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 13:48:22,445 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 13:48:22,446 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 13:48:22,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 13:48:22,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 13:48:22,458 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 13:48:22,459 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 13:48:22,460 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 13:48:22,465 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 13:48:22,466 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 13:48:22,466 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 13:48:22,467 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 13:48:22,467 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 13:48:22,472 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 13:48:22,472 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 13:48:22,473 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 13:48:22,473 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 13:48:22,474 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 13:48:22,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 13:48:22,479 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 13:48:22,479 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 13:48:22,480 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 13:48:22,480 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 13:48:22,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 13:48:22,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 13:48:22,502 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 13:48:22,502 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 13:48:22,503 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 13:48:22,503 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 13:48:22,504 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 13:48:22,504 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 13:48:22,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 13:48:22,504 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 13:48:22,504 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 13:48:22,507 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 13:48:22,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 13:48:22,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 13:48:22,508 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 13:48:22,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 13:48:22,508 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 13:48:22,508 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 13:48:22,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 13:48:22,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 13:48:22,509 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 13:48:22,510 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 13:48:22,511 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 13:48:22,548 INFO ]: Repository-Root is: /tmp [2018-06-25 13:48:22,561 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 13:48:22,567 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 13:48:22,568 INFO ]: Initializing SmtParser... [2018-06-25 13:48:22,568 INFO ]: SmtParser initialized [2018-06-25 13:48:22,569 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/_6counter.smt2 [2018-06-25 13:48:22,570 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 13:48:22,659 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/_6counter.smt2 unknown [2018-06-25 13:48:22,881 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/_6counter.smt2 [2018-06-25 13:48:22,886 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 13:48:22,892 INFO ]: Walking toolchain with 4 elements. [2018-06-25 13:48:22,893 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 13:48:22,893 INFO ]: Initializing ChcToBoogie... [2018-06-25 13:48:22,893 INFO ]: ChcToBoogie initialized [2018-06-25 13:48:22,897 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 01:48:22" (1/1) ... [2018-06-25 13:48:22,950 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:22 Unit [2018-06-25 13:48:22,950 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 13:48:22,951 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 13:48:22,951 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 13:48:22,951 INFO ]: Boogie Preprocessor initialized [2018-06-25 13:48:22,973 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:22" (1/1) ... [2018-06-25 13:48:22,973 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:22" (1/1) ... [2018-06-25 13:48:22,978 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:22" (1/1) ... [2018-06-25 13:48:22,979 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:22" (1/1) ... [2018-06-25 13:48:22,981 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:22" (1/1) ... [2018-06-25 13:48:22,983 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:22" (1/1) ... [2018-06-25 13:48:22,984 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:22" (1/1) ... [2018-06-25 13:48:22,985 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 13:48:22,987 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 13:48:22,987 INFO ]: Initializing RCFGBuilder... [2018-06-25 13:48:22,987 INFO ]: RCFGBuilder initialized [2018-06-25 13:48:22,988 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:22" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-25 13:48:23,005 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 13:48:23,005 INFO ]: Found specification of procedure gotoProc [2018-06-25 13:48:23,006 INFO ]: Found implementation of procedure gotoProc [2018-06-25 13:48:23,006 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 13:48:23,006 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 13:48:23,006 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 13:48:23,174 INFO ]: Using library mode [2018-06-25 13:48:23,175 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 01:48:23 BoogieIcfgContainer [2018-06-25 13:48:23,175 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 13:48:23,176 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 13:48:23,176 INFO ]: Initializing TraceAbstraction... [2018-06-25 13:48:23,179 INFO ]: TraceAbstraction initialized [2018-06-25 13:48:23,179 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 01:48:22" (1/3) ... [2018-06-25 13:48:23,180 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1024bf25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 01:48:23, skipping insertion in model container [2018-06-25 13:48:23,180 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 01:48:22" (2/3) ... [2018-06-25 13:48:23,181 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1024bf25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 01:48:23, skipping insertion in model container [2018-06-25 13:48:23,181 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 01:48:23" (3/3) ... [2018-06-25 13:48:23,182 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 13:48:23,191 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 13:48:23,199 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 13:48:23,243 INFO ]: Using default assertion order modulation [2018-06-25 13:48:23,244 INFO ]: Interprodecural is true [2018-06-25 13:48:23,244 INFO ]: Hoare is false [2018-06-25 13:48:23,244 INFO ]: Compute interpolants for FPandBP [2018-06-25 13:48:23,244 INFO ]: Backedges is TWOTRACK [2018-06-25 13:48:23,244 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 13:48:23,244 INFO ]: Difference is false [2018-06-25 13:48:23,244 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 13:48:23,244 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 13:48:23,255 INFO ]: Start isEmpty. Operand 10 states. [2018-06-25 13:48:23,268 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-25 13:48:23,269 INFO ]: Found error trace [2018-06-25 13:48:23,270 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-25 13:48:23,270 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 13:48:23,275 INFO ]: Analyzing trace with hash 1285054476, now seen corresponding path program 1 times [2018-06-25 13:48:23,277 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 13:48:23,277 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 13:48:23,310 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 13:48:23,310 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 13:48:23,310 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 13:48:23,351 INFO ]: Conjunction of SSA is unsat [2018-06-25 13:48:23,465 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 13:48:23,476 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 13:48:23,477 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 13:48:23,479 INFO ]: Interpolant automaton has 3 states [2018-06-25 13:48:23,494 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 13:48:23,495 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 13:48:23,498 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-25 13:48:23,574 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 13:48:23,574 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-25 13:48:23,575 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 13:48:23,576 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-25 13:48:23,576 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 13:48:23,589 INFO ]: With dead ends: 9 [2018-06-25 13:48:23,589 INFO ]: Without dead ends: 9 [2018-06-25 13:48:23,591 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 13:48:23,604 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-25 13:48:23,619 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-25 13:48:23,620 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-25 13:48:23,621 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-25 13:48:23,622 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-25 13:48:23,622 INFO ]: Finished accepts. word is rejected. [2018-06-25 13:48:23,622 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-25 13:48:23,622 INFO ]: Interpolant automaton has 3 states. [2018-06-25 13:48:23,622 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-25 13:48:23,622 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 13:48:23,622 INFO ]: Found error trace [2018-06-25 13:48:23,622 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 13:48:23,623 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 13:48:23,623 INFO ]: Analyzing trace with hash 1180100628, now seen corresponding path program 1 times [2018-06-25 13:48:23,623 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 13:48:23,623 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 13:48:23,624 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 13:48:23,624 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 13:48:23,624 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 13:48:23,647 INFO ]: Conjunction of SSA is unsat [2018-06-25 13:48:23,802 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 13:48:23,802 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 13:48:23,802 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 13:48:23,810 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 13:48:23,853 INFO ]: Conjunction of SSA is unsat [2018-06-25 13:48:23,863 INFO ]: Computing forward predicates... [2018-06-25 13:48:24,461 WARN ]: Spent 314.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-06-25 13:48:24,474 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 13:48:24,501 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 13:48:24,501 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-06-25 13:48:24,501 INFO ]: Interpolant automaton has 6 states [2018-06-25 13:48:24,501 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-25 13:48:24,501 INFO ]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-06-25 13:48:24,502 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-06-25 13:48:24,541 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 13:48:24,541 INFO ]: Finished difference Result 10 states and 10 transitions. [2018-06-25 13:48:24,541 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-25 13:48:24,541 INFO ]: Start accepts. Automaton has 6 states. Word has length 8 [2018-06-25 13:48:24,542 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 13:48:24,542 INFO ]: With dead ends: 10 [2018-06-25 13:48:24,542 INFO ]: Without dead ends: 10 [2018-06-25 13:48:24,543 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-06-25 13:48:24,543 INFO ]: Start minimizeSevpa. Operand 10 states. [2018-06-25 13:48:24,543 INFO ]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-06-25 13:48:24,544 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-25 13:48:24,544 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-06-25 13:48:24,544 INFO ]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-06-25 13:48:24,544 INFO ]: Finished accepts. word is rejected. [2018-06-25 13:48:24,544 INFO ]: Abstraction has 10 states and 10 transitions. [2018-06-25 13:48:24,544 INFO ]: Interpolant automaton has 6 states. [2018-06-25 13:48:24,544 INFO ]: Start isEmpty. Operand 10 states and 10 transitions. [2018-06-25 13:48:24,544 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-25 13:48:24,544 INFO ]: Found error trace [2018-06-25 13:48:24,544 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 13:48:24,545 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 13:48:24,545 INFO ]: Analyzing trace with hash -2073468660, now seen corresponding path program 2 times [2018-06-25 13:48:24,545 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 13:48:24,545 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 13:48:24,546 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 13:48:24,546 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 13:48:24,546 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 13:48:24,569 INFO ]: Conjunction of SSA is unsat [2018-06-25 13:48:24,706 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 13:48:24,706 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 13:48:24,706 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-06-25 13:48:24,722 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 13:48:24,797 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-25 13:48:24,797 INFO ]: Conjunction of SSA is unsat [2018-06-25 13:48:24,799 INFO ]: Computing forward predicates... [2018-06-25 13:48:24,837 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 13:48:24,978 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 13:48:25,103 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 13:48:25,176 WARN ]: expecting exponential blowup for input size 7 [2018-06-25 13:48:26,178 WARN ]: Spent 489.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-06-25 13:48:26,213 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:26,265 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:26,308 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:26,473 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 13:48:26,493 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 13:48:26,493 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-06-25 13:48:26,494 INFO ]: Interpolant automaton has 8 states [2018-06-25 13:48:26,494 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-25 13:48:26,494 INFO ]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-06-25 13:48:26,494 INFO ]: Start difference. First operand 10 states and 10 transitions. Second operand 8 states. [2018-06-25 13:48:26,665 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 13:48:26,665 INFO ]: Finished difference Result 13 states and 13 transitions. [2018-06-25 13:48:26,665 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-25 13:48:26,665 INFO ]: Start accepts. Automaton has 8 states. Word has length 9 [2018-06-25 13:48:26,665 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 13:48:26,665 INFO ]: With dead ends: 13 [2018-06-25 13:48:26,665 INFO ]: Without dead ends: 13 [2018-06-25 13:48:26,666 INFO ]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-06-25 13:48:26,666 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-25 13:48:26,667 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-25 13:48:26,667 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-25 13:48:26,668 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-06-25 13:48:26,668 INFO ]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 9 [2018-06-25 13:48:26,668 INFO ]: Finished accepts. word is rejected. [2018-06-25 13:48:26,668 INFO ]: Abstraction has 13 states and 13 transitions. [2018-06-25 13:48:26,668 INFO ]: Interpolant automaton has 8 states. [2018-06-25 13:48:26,668 INFO ]: Start isEmpty. Operand 13 states and 13 transitions. [2018-06-25 13:48:26,670 INFO ]: Finished isEmpty. Found accepting run of length 13 [2018-06-25 13:48:26,670 INFO ]: Found error trace [2018-06-25 13:48:26,670 INFO ]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 13:48:26,670 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 13:48:26,670 INFO ]: Analyzing trace with hash 1940481556, now seen corresponding path program 3 times [2018-06-25 13:48:26,670 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 13:48:26,670 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 13:48:26,671 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 13:48:26,671 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-25 13:48:26,671 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 13:48:26,695 INFO ]: Conjunction of SSA is unsat [2018-06-25 13:48:26,799 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 13:48:26,800 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-25 13:48:26,800 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-25 13:48:26,808 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-25 13:48:26,850 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-06-25 13:48:26,850 INFO ]: Conjunction of SSA is unsat [2018-06-25 13:48:26,853 INFO ]: Computing forward predicates... [2018-06-25 13:48:26,879 WARN ]: expecting exponential blowup for input size 8 [2018-06-25 13:48:27,315 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:27,320 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:27,503 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:27,630 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:27,632 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:27,633 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:27,633 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:27,635 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:27,635 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:27,636 WARN ]: expecting exponential blowup for input size 6 [2018-06-25 13:48:27,702 INFO ]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 13:48:27,729 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-25 13:48:27,729 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-06-25 13:48:27,729 INFO ]: Interpolant automaton has 14 states [2018-06-25 13:48:27,729 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-25 13:48:27,730 INFO ]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-06-25 13:48:27,730 INFO ]: Start difference. First operand 13 states and 13 transitions. Second operand 14 states. [2018-06-25 13:48:27,895 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 13:48:27,895 INFO ]: Finished difference Result 14 states and 14 transitions. [2018-06-25 13:48:27,895 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-25 13:48:27,895 INFO ]: Start accepts. Automaton has 14 states. Word has length 12 [2018-06-25 13:48:27,895 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 13:48:27,895 INFO ]: With dead ends: 14 [2018-06-25 13:48:27,895 INFO ]: Without dead ends: 14 [2018-06-25 13:48:27,896 INFO ]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-06-25 13:48:27,896 INFO ]: Start minimizeSevpa. Operand 14 states. [2018-06-25 13:48:27,897 INFO ]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-06-25 13:48:27,897 INFO ]: Start removeUnreachable. Operand 14 states. [2018-06-25 13:48:27,897 INFO ]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-06-25 13:48:27,898 INFO ]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2018-06-25 13:48:27,898 INFO ]: Finished accepts. word is rejected. [2018-06-25 13:48:27,898 INFO ]: Abstraction has 14 states and 14 transitions. [2018-06-25 13:48:27,898 INFO ]: Interpolant automaton has 14 states. [2018-06-25 13:48:27,898 INFO ]: Start isEmpty. Operand 14 states and 14 transitions. [2018-06-25 13:48:27,898 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-25 13:48:27,898 INFO ]: Found error trace [2018-06-25 13:48:27,898 INFO ]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 13:48:27,898 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 13:48:27,898 INFO ]: Analyzing trace with hash 23503628, now seen corresponding path program 4 times [2018-06-25 13:48:27,898 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 13:48:27,898 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 13:48:27,899 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 13:48:27,899 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-25 13:48:27,899 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 13:48:27,918 INFO ]: Conjunction of SSA is sat [2018-06-25 13:48:27,920 INFO ]: Counterexample might be feasible [2018-06-25 13:48:27,938 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 01:48:27 BoogieIcfgContainer [2018-06-25 13:48:27,938 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 13:48:27,939 INFO ]: Toolchain (without parser) took 5052.02 ms. Allocated memory was 305.7 MB in the beginning and 389.5 MB in the end (delta: 83.9 MB). Free memory was 261.0 MB in the beginning and 245.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 100.0 MB. Max. memory is 3.6 GB. [2018-06-25 13:48:27,940 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 13:48:27,940 INFO ]: ChcToBoogie took 57.69 ms. Allocated memory is still 305.7 MB. Free memory was 261.0 MB in the beginning and 259.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 13:48:27,941 INFO ]: Boogie Preprocessor took 34.29 ms. Allocated memory is still 305.7 MB. Free memory was 258.0 MB in the beginning and 257.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-25 13:48:27,941 INFO ]: RCFGBuilder took 187.69 ms. Allocated memory is still 305.7 MB. Free memory was 257.0 MB in the beginning and 248.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. [2018-06-25 13:48:27,942 INFO ]: TraceAbstraction took 4761.90 ms. Allocated memory was 305.7 MB in the beginning and 389.5 MB in the end (delta: 83.9 MB). Free memory was 248.0 MB in the beginning and 245.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 86.9 MB. Max. memory is 3.6 GB. [2018-06-25 13:48:27,945 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 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 57.69 ms. Allocated memory is still 305.7 MB. Free memory was 261.0 MB in the beginning and 259.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 34.29 ms. Allocated memory is still 305.7 MB. Free memory was 258.0 MB in the beginning and 257.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 187.69 ms. Allocated memory is still 305.7 MB. Free memory was 257.0 MB in the beginning and 248.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 4761.90 ms. Allocated memory was 305.7 MB in the beginning and 389.5 MB in the end (delta: 83.9 MB). Free memory was 248.0 MB in the beginning and 245.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 86.9 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 gotoProc(0, false, false, false, false, false, false, false, false, false, false); [L0] gotoSwitch := gotoSwitch_in; [L0] assume !hbv_False_1_Bool; [L0] hhv_state_0_Bool, hhv_state_1_Bool, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Bool, hhv_state_5_Bool, hhv_state_6_Bool, hhv_state_7_Bool, hhv_state_8_Bool, hhv_state_9_Bool := hbv_False_2_Bool, hbv_False_3_Bool, hbv_False_4_Bool, hbv_False_5_Bool, hbv_False_6_Bool, hbv_False_7_Bool, hbv_False_8_Bool, hbv_False_9_Bool, hbv_False_1_Bool, hbv_False_10_Bool; [L0] havoc hbv_False_9_Bool, hbv_False_4_Bool, hbv_False_8_Bool, hbv_False_3_Bool, hbv_False_5_Bool, hbv_False_10_Bool, hbv_False_1_Bool, hbv_False_2_Bool, hbv_False_7_Bool, hbv_False_6_Bool; [L0] assume (((((((((((!((hhv_state_5_Bool || hhv_state_0_Bool) && (!hhv_state_0_Bool || !hhv_state_5_Bool)) && !((hbv_state_1_Bool || hbv_state_2_Bool) && (!hbv_state_1_Bool || !hbv_state_2_Bool))) && !(((hhv_state_1_Bool || (!hbv_state_2_Bool && hbv_state_3_Bool)) || ((!hbv_state_4_Bool && hbv_state_2_Bool) && !hbv_state_3_Bool)) && (!hhv_state_1_Bool || (((!hbv_state_2_Bool || hbv_state_4_Bool) || hbv_state_3_Bool) && (hbv_state_2_Bool || !hbv_state_3_Bool))))) && !((!hbv_state_9_Bool || !hbv_state_3_Bool) && (hbv_state_9_Bool || hbv_state_3_Bool))) && !((hhv_state_2_Bool || !hbv_state_2_Bool) && (hbv_state_2_Bool || !hhv_state_2_Bool))) && !((!hbv_state_4_Bool || !hbv_state_5_Bool) && (hbv_state_5_Bool || hbv_state_4_Bool))) && !((hhv_state_8_Bool || hhv_state_4_Bool) && (!hhv_state_4_Bool || !hhv_state_8_Bool))) && !((hhv_state_6_Bool || hhv_state_1_Bool) && (!hhv_state_1_Bool || !hhv_state_6_Bool))) && !((!hhv_state_0_Bool || ((!hbv_state_2_Bool || !hbv_state_3_Bool) && (!hbv_state_4_Bool || hbv_state_2_Bool))) && ((hhv_state_0_Bool || (!hbv_state_2_Bool && hbv_state_4_Bool)) || (hbv_state_2_Bool && hbv_state_3_Bool)))) && !((hhv_state_2_Bool || hhv_state_7_Bool) && (!hhv_state_7_Bool || !hhv_state_2_Bool))) && !((hhv_state_3_Bool || hbv_state_3_Bool) && (!hhv_state_3_Bool || !hbv_state_3_Bool))) && !((!hbv_state_6_Bool || !hbv_state_7_Bool) && (hbv_state_6_Bool || hbv_state_7_Bool))) && !((!hhv_state_4_Bool || ((!hhv_state_6_Bool || hbv_state_8_Bool) && (hhv_state_6_Bool || !hbv_state_8_Bool))) && (((hhv_state_6_Bool && !hbv_state_8_Bool) || hhv_state_4_Bool) || (!hhv_state_6_Bool && hbv_state_8_Bool))); [L0] hhv_state_0_Bool, hhv_state_1_Bool, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Bool, hhv_state_5_Bool, hhv_state_6_Bool, hhv_state_7_Bool, hhv_state_8_Bool, hhv_state_9_Bool := hbv_state_5_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_8_Bool, hbv_state_7_Bool, hbv_state_4_Bool, hbv_state_3_Bool, hbv_state_2_Bool, hbv_state_6_Bool, hbv_state_10_Bool; [L0] havoc hbv_state_5_Bool, hbv_state_8_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_2_Bool, hbv_state_7_Bool, hbv_state_3_Bool, hbv_state_6_Bool, hbv_state_10_Bool, hbv_state_4_Bool; [L0] assume (((((((((((!((hhv_state_5_Bool || hhv_state_0_Bool) && (!hhv_state_0_Bool || !hhv_state_5_Bool)) && !((hbv_state_1_Bool || hbv_state_2_Bool) && (!hbv_state_1_Bool || !hbv_state_2_Bool))) && !(((hhv_state_1_Bool || (!hbv_state_2_Bool && hbv_state_3_Bool)) || ((!hbv_state_4_Bool && hbv_state_2_Bool) && !hbv_state_3_Bool)) && (!hhv_state_1_Bool || (((!hbv_state_2_Bool || hbv_state_4_Bool) || hbv_state_3_Bool) && (hbv_state_2_Bool || !hbv_state_3_Bool))))) && !((!hbv_state_9_Bool || !hbv_state_3_Bool) && (hbv_state_9_Bool || hbv_state_3_Bool))) && !((hhv_state_2_Bool || !hbv_state_2_Bool) && (hbv_state_2_Bool || !hhv_state_2_Bool))) && !((!hbv_state_4_Bool || !hbv_state_5_Bool) && (hbv_state_5_Bool || hbv_state_4_Bool))) && !((hhv_state_8_Bool || hhv_state_4_Bool) && (!hhv_state_4_Bool || !hhv_state_8_Bool))) && !((hhv_state_6_Bool || hhv_state_1_Bool) && (!hhv_state_1_Bool || !hhv_state_6_Bool))) && !((!hhv_state_0_Bool || ((!hbv_state_2_Bool || !hbv_state_3_Bool) && (!hbv_state_4_Bool || hbv_state_2_Bool))) && ((hhv_state_0_Bool || (!hbv_state_2_Bool && hbv_state_4_Bool)) || (hbv_state_2_Bool && hbv_state_3_Bool)))) && !((hhv_state_2_Bool || hhv_state_7_Bool) && (!hhv_state_7_Bool || !hhv_state_2_Bool))) && !((hhv_state_3_Bool || hbv_state_3_Bool) && (!hhv_state_3_Bool || !hbv_state_3_Bool))) && !((!hbv_state_6_Bool || !hbv_state_7_Bool) && (hbv_state_6_Bool || hbv_state_7_Bool))) && !((!hhv_state_4_Bool || ((!hhv_state_6_Bool || hbv_state_8_Bool) && (hhv_state_6_Bool || !hbv_state_8_Bool))) && (((hhv_state_6_Bool && !hbv_state_8_Bool) || hhv_state_4_Bool) || (!hhv_state_6_Bool && hbv_state_8_Bool))); [L0] hhv_state_0_Bool, hhv_state_1_Bool, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Bool, hhv_state_5_Bool, hhv_state_6_Bool, hhv_state_7_Bool, hhv_state_8_Bool, hhv_state_9_Bool := hbv_state_5_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_8_Bool, hbv_state_7_Bool, hbv_state_4_Bool, hbv_state_3_Bool, hbv_state_2_Bool, hbv_state_6_Bool, hbv_state_10_Bool; [L0] havoc hbv_state_5_Bool, hbv_state_8_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_2_Bool, hbv_state_7_Bool, hbv_state_3_Bool, hbv_state_6_Bool, hbv_state_10_Bool, hbv_state_4_Bool; [L0] assume (((((((((((!((hhv_state_5_Bool || hhv_state_0_Bool) && (!hhv_state_0_Bool || !hhv_state_5_Bool)) && !((hbv_state_1_Bool || hbv_state_2_Bool) && (!hbv_state_1_Bool || !hbv_state_2_Bool))) && !(((hhv_state_1_Bool || (!hbv_state_2_Bool && hbv_state_3_Bool)) || ((!hbv_state_4_Bool && hbv_state_2_Bool) && !hbv_state_3_Bool)) && (!hhv_state_1_Bool || (((!hbv_state_2_Bool || hbv_state_4_Bool) || hbv_state_3_Bool) && (hbv_state_2_Bool || !hbv_state_3_Bool))))) && !((!hbv_state_9_Bool || !hbv_state_3_Bool) && (hbv_state_9_Bool || hbv_state_3_Bool))) && !((hhv_state_2_Bool || !hbv_state_2_Bool) && (hbv_state_2_Bool || !hhv_state_2_Bool))) && !((!hbv_state_4_Bool || !hbv_state_5_Bool) && (hbv_state_5_Bool || hbv_state_4_Bool))) && !((hhv_state_8_Bool || hhv_state_4_Bool) && (!hhv_state_4_Bool || !hhv_state_8_Bool))) && !((hhv_state_6_Bool || hhv_state_1_Bool) && (!hhv_state_1_Bool || !hhv_state_6_Bool))) && !((!hhv_state_0_Bool || ((!hbv_state_2_Bool || !hbv_state_3_Bool) && (!hbv_state_4_Bool || hbv_state_2_Bool))) && ((hhv_state_0_Bool || (!hbv_state_2_Bool && hbv_state_4_Bool)) || (hbv_state_2_Bool && hbv_state_3_Bool)))) && !((hhv_state_2_Bool || hhv_state_7_Bool) && (!hhv_state_7_Bool || !hhv_state_2_Bool))) && !((hhv_state_3_Bool || hbv_state_3_Bool) && (!hhv_state_3_Bool || !hbv_state_3_Bool))) && !((!hbv_state_6_Bool || !hbv_state_7_Bool) && (hbv_state_6_Bool || hbv_state_7_Bool))) && !((!hhv_state_4_Bool || ((!hhv_state_6_Bool || hbv_state_8_Bool) && (hhv_state_6_Bool || !hbv_state_8_Bool))) && (((hhv_state_6_Bool && !hbv_state_8_Bool) || hhv_state_4_Bool) || (!hhv_state_6_Bool && hbv_state_8_Bool))); [L0] hhv_state_0_Bool, hhv_state_1_Bool, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Bool, hhv_state_5_Bool, hhv_state_6_Bool, hhv_state_7_Bool, hhv_state_8_Bool, hhv_state_9_Bool := hbv_state_5_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_8_Bool, hbv_state_7_Bool, hbv_state_4_Bool, hbv_state_3_Bool, hbv_state_2_Bool, hbv_state_6_Bool, hbv_state_10_Bool; [L0] havoc hbv_state_5_Bool, hbv_state_8_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_2_Bool, hbv_state_7_Bool, hbv_state_3_Bool, hbv_state_6_Bool, hbv_state_10_Bool, hbv_state_4_Bool; [L0] assume (((((((((((!((hhv_state_5_Bool || hhv_state_0_Bool) && (!hhv_state_0_Bool || !hhv_state_5_Bool)) && !((hbv_state_1_Bool || hbv_state_2_Bool) && (!hbv_state_1_Bool || !hbv_state_2_Bool))) && !(((hhv_state_1_Bool || (!hbv_state_2_Bool && hbv_state_3_Bool)) || ((!hbv_state_4_Bool && hbv_state_2_Bool) && !hbv_state_3_Bool)) && (!hhv_state_1_Bool || (((!hbv_state_2_Bool || hbv_state_4_Bool) || hbv_state_3_Bool) && (hbv_state_2_Bool || !hbv_state_3_Bool))))) && !((!hbv_state_9_Bool || !hbv_state_3_Bool) && (hbv_state_9_Bool || hbv_state_3_Bool))) && !((hhv_state_2_Bool || !hbv_state_2_Bool) && (hbv_state_2_Bool || !hhv_state_2_Bool))) && !((!hbv_state_4_Bool || !hbv_state_5_Bool) && (hbv_state_5_Bool || hbv_state_4_Bool))) && !((hhv_state_8_Bool || hhv_state_4_Bool) && (!hhv_state_4_Bool || !hhv_state_8_Bool))) && !((hhv_state_6_Bool || hhv_state_1_Bool) && (!hhv_state_1_Bool || !hhv_state_6_Bool))) && !((!hhv_state_0_Bool || ((!hbv_state_2_Bool || !hbv_state_3_Bool) && (!hbv_state_4_Bool || hbv_state_2_Bool))) && ((hhv_state_0_Bool || (!hbv_state_2_Bool && hbv_state_4_Bool)) || (hbv_state_2_Bool && hbv_state_3_Bool)))) && !((hhv_state_2_Bool || hhv_state_7_Bool) && (!hhv_state_7_Bool || !hhv_state_2_Bool))) && !((hhv_state_3_Bool || hbv_state_3_Bool) && (!hhv_state_3_Bool || !hbv_state_3_Bool))) && !((!hbv_state_6_Bool || !hbv_state_7_Bool) && (hbv_state_6_Bool || hbv_state_7_Bool))) && !((!hhv_state_4_Bool || ((!hhv_state_6_Bool || hbv_state_8_Bool) && (hhv_state_6_Bool || !hbv_state_8_Bool))) && (((hhv_state_6_Bool && !hbv_state_8_Bool) || hhv_state_4_Bool) || (!hhv_state_6_Bool && hbv_state_8_Bool))); [L0] hhv_state_0_Bool, hhv_state_1_Bool, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Bool, hhv_state_5_Bool, hhv_state_6_Bool, hhv_state_7_Bool, hhv_state_8_Bool, hhv_state_9_Bool := hbv_state_5_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_8_Bool, hbv_state_7_Bool, hbv_state_4_Bool, hbv_state_3_Bool, hbv_state_2_Bool, hbv_state_6_Bool, hbv_state_10_Bool; [L0] havoc hbv_state_5_Bool, hbv_state_8_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_2_Bool, hbv_state_7_Bool, hbv_state_3_Bool, hbv_state_6_Bool, hbv_state_10_Bool, hbv_state_4_Bool; [L0] assume (((((((((((!((hhv_state_5_Bool || hhv_state_0_Bool) && (!hhv_state_0_Bool || !hhv_state_5_Bool)) && !((hbv_state_1_Bool || hbv_state_2_Bool) && (!hbv_state_1_Bool || !hbv_state_2_Bool))) && !(((hhv_state_1_Bool || (!hbv_state_2_Bool && hbv_state_3_Bool)) || ((!hbv_state_4_Bool && hbv_state_2_Bool) && !hbv_state_3_Bool)) && (!hhv_state_1_Bool || (((!hbv_state_2_Bool || hbv_state_4_Bool) || hbv_state_3_Bool) && (hbv_state_2_Bool || !hbv_state_3_Bool))))) && !((!hbv_state_9_Bool || !hbv_state_3_Bool) && (hbv_state_9_Bool || hbv_state_3_Bool))) && !((hhv_state_2_Bool || !hbv_state_2_Bool) && (hbv_state_2_Bool || !hhv_state_2_Bool))) && !((!hbv_state_4_Bool || !hbv_state_5_Bool) && (hbv_state_5_Bool || hbv_state_4_Bool))) && !((hhv_state_8_Bool || hhv_state_4_Bool) && (!hhv_state_4_Bool || !hhv_state_8_Bool))) && !((hhv_state_6_Bool || hhv_state_1_Bool) && (!hhv_state_1_Bool || !hhv_state_6_Bool))) && !((!hhv_state_0_Bool || ((!hbv_state_2_Bool || !hbv_state_3_Bool) && (!hbv_state_4_Bool || hbv_state_2_Bool))) && ((hhv_state_0_Bool || (!hbv_state_2_Bool && hbv_state_4_Bool)) || (hbv_state_2_Bool && hbv_state_3_Bool)))) && !((hhv_state_2_Bool || hhv_state_7_Bool) && (!hhv_state_7_Bool || !hhv_state_2_Bool))) && !((hhv_state_3_Bool || hbv_state_3_Bool) && (!hhv_state_3_Bool || !hbv_state_3_Bool))) && !((!hbv_state_6_Bool || !hbv_state_7_Bool) && (hbv_state_6_Bool || hbv_state_7_Bool))) && !((!hhv_state_4_Bool || ((!hhv_state_6_Bool || hbv_state_8_Bool) && (hhv_state_6_Bool || !hbv_state_8_Bool))) && (((hhv_state_6_Bool && !hbv_state_8_Bool) || hhv_state_4_Bool) || (!hhv_state_6_Bool && hbv_state_8_Bool))); [L0] hhv_state_0_Bool, hhv_state_1_Bool, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Bool, hhv_state_5_Bool, hhv_state_6_Bool, hhv_state_7_Bool, hhv_state_8_Bool, hhv_state_9_Bool := hbv_state_5_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_8_Bool, hbv_state_7_Bool, hbv_state_4_Bool, hbv_state_3_Bool, hbv_state_2_Bool, hbv_state_6_Bool, hbv_state_10_Bool; [L0] havoc hbv_state_5_Bool, hbv_state_8_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_2_Bool, hbv_state_7_Bool, hbv_state_3_Bool, hbv_state_6_Bool, hbv_state_10_Bool, hbv_state_4_Bool; [L0] assume (((((((((((!((hhv_state_5_Bool || hhv_state_0_Bool) && (!hhv_state_0_Bool || !hhv_state_5_Bool)) && !((hbv_state_1_Bool || hbv_state_2_Bool) && (!hbv_state_1_Bool || !hbv_state_2_Bool))) && !(((hhv_state_1_Bool || (!hbv_state_2_Bool && hbv_state_3_Bool)) || ((!hbv_state_4_Bool && hbv_state_2_Bool) && !hbv_state_3_Bool)) && (!hhv_state_1_Bool || (((!hbv_state_2_Bool || hbv_state_4_Bool) || hbv_state_3_Bool) && (hbv_state_2_Bool || !hbv_state_3_Bool))))) && !((!hbv_state_9_Bool || !hbv_state_3_Bool) && (hbv_state_9_Bool || hbv_state_3_Bool))) && !((hhv_state_2_Bool || !hbv_state_2_Bool) && (hbv_state_2_Bool || !hhv_state_2_Bool))) && !((!hbv_state_4_Bool || !hbv_state_5_Bool) && (hbv_state_5_Bool || hbv_state_4_Bool))) && !((hhv_state_8_Bool || hhv_state_4_Bool) && (!hhv_state_4_Bool || !hhv_state_8_Bool))) && !((hhv_state_6_Bool || hhv_state_1_Bool) && (!hhv_state_1_Bool || !hhv_state_6_Bool))) && !((!hhv_state_0_Bool || ((!hbv_state_2_Bool || !hbv_state_3_Bool) && (!hbv_state_4_Bool || hbv_state_2_Bool))) && ((hhv_state_0_Bool || (!hbv_state_2_Bool && hbv_state_4_Bool)) || (hbv_state_2_Bool && hbv_state_3_Bool)))) && !((hhv_state_2_Bool || hhv_state_7_Bool) && (!hhv_state_7_Bool || !hhv_state_2_Bool))) && !((hhv_state_3_Bool || hbv_state_3_Bool) && (!hhv_state_3_Bool || !hbv_state_3_Bool))) && !((!hbv_state_6_Bool || !hbv_state_7_Bool) && (hbv_state_6_Bool || hbv_state_7_Bool))) && !((!hhv_state_4_Bool || ((!hhv_state_6_Bool || hbv_state_8_Bool) && (hhv_state_6_Bool || !hbv_state_8_Bool))) && (((hhv_state_6_Bool && !hbv_state_8_Bool) || hhv_state_4_Bool) || (!hhv_state_6_Bool && hbv_state_8_Bool))); [L0] hhv_state_0_Bool, hhv_state_1_Bool, hhv_state_2_Bool, hhv_state_3_Bool, hhv_state_4_Bool, hhv_state_5_Bool, hhv_state_6_Bool, hhv_state_7_Bool, hhv_state_8_Bool, hhv_state_9_Bool := hbv_state_5_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_8_Bool, hbv_state_7_Bool, hbv_state_4_Bool, hbv_state_3_Bool, hbv_state_2_Bool, hbv_state_6_Bool, hbv_state_10_Bool; [L0] havoc hbv_state_5_Bool, hbv_state_8_Bool, hbv_state_9_Bool, hbv_state_1_Bool, hbv_state_2_Bool, hbv_state_7_Bool, hbv_state_3_Bool, hbv_state_6_Bool, hbv_state_10_Bool, hbv_state_4_Bool; [L0] assume (((((((!((!hhv_state_5_Bool || !hhv_state_0_Bool) && (hhv_state_0_Bool || hhv_state_5_Bool)) && !hhv_state_2_Bool) && !((!hhv_state_8_Bool || !hhv_state_4_Bool) && (hhv_state_8_Bool || hhv_state_4_Bool))) && !hhv_state_1_Bool) && !((!hhv_state_1_Bool || !hhv_state_6_Bool) && (hhv_state_1_Bool || hhv_state_6_Bool))) && !!hhv_state_4_Bool) && !!hhv_state_3_Bool) && !hhv_state_0_Bool) && !((hhv_state_2_Bool || hhv_state_7_Bool) && (!hhv_state_2_Bool || !hhv_state_7_Bool)); [L0] RET call gotoProc(0, false, false, false, false, false, false, false, false, false, false); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. UNSAFE Result, 4.7s OverallTime, 5 OverallIterations, 6 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28 SDtfs, 8 SDslu, 85 SDs, 0 SdLazy, 78 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=4, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1699 SizeOfPredicates, 15 NumberOfNonLiveVariables, 307 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/38 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/_6counter.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_13-48-27-957.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/_6counter.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_13-48-27-957.csv Received shutdown request...