java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/llreve/nested-while_unsafe.c-1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-25 08:59:43,461 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-25 08:59:43,463 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-25 08:59:43,475 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-25 08:59:43,475 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-25 08:59:43,476 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-25 08:59:43,477 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-25 08:59:43,479 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-25 08:59:43,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-25 08:59:43,482 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-25 08:59:43,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-25 08:59:43,483 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-25 08:59:43,484 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-25 08:59:43,485 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-25 08:59:43,485 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-25 08:59:43,486 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-25 08:59:43,488 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-25 08:59:43,490 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-25 08:59:43,492 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-25 08:59:43,493 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-25 08:59:43,494 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-25 08:59:43,497 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-25 08:59:43,497 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-25 08:59:43,497 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-25 08:59:43,498 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-25 08:59:43,499 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-25 08:59:43,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-25 08:59:43,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-25 08:59:43,501 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-25 08:59:43,502 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-25 08:59:43,502 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-25 08:59:43,503 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-25 08:59:43,503 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-25 08:59:43,504 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-25 08:59:43,505 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-25 08:59:43,505 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-25 08:59:43,519 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-25 08:59:43,519 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-25 08:59:43,520 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-25 08:59:43,520 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-25 08:59:43,521 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-25 08:59:43,521 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-25 08:59:43,521 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-25 08:59:43,521 INFO L133 SettingsManager]: * Use SBE=true [2018-06-25 08:59:43,522 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-25 08:59:43,522 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-25 08:59:43,522 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-25 08:59:43,522 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-25 08:59:43,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 08:59:43,523 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-25 08:59:43,523 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-25 08:59:43,523 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-25 08:59:43,523 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-25 08:59:43,523 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-25 08:59:43,524 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-25 08:59:43,524 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-25 08:59:43,524 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-25 08:59:43,525 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-25 08:59:43,526 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-25 08:59:43,583 INFO ]: Repository-Root is: /tmp [2018-06-25 08:59:43,601 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-25 08:59:43,607 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-25 08:59:43,608 INFO ]: Initializing SmtParser... [2018-06-25 08:59:43,608 INFO ]: SmtParser initialized [2018-06-25 08:59:43,609 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/llreve/nested-while_unsafe.c-1.smt2 [2018-06-25 08:59:43,610 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-25 08:59:43,695 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/nested-while_unsafe.c-1.smt2 unknown [2018-06-25 08:59:43,895 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/nested-while_unsafe.c-1.smt2 [2018-06-25 08:59:43,904 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-25 08:59:43,909 INFO ]: Walking toolchain with 4 elements. [2018-06-25 08:59:43,910 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-25 08:59:43,910 INFO ]: Initializing ChcToBoogie... [2018-06-25 08:59:43,910 INFO ]: ChcToBoogie initialized [2018-06-25 08:59:43,913 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:59:43" (1/1) ... [2018-06-25 08:59:43,961 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:59:43 Unit [2018-06-25 08:59:43,961 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-25 08:59:43,961 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-25 08:59:43,961 INFO ]: Initializing Boogie Preprocessor... [2018-06-25 08:59:43,961 INFO ]: Boogie Preprocessor initialized [2018-06-25 08:59:43,981 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:59:43" (1/1) ... [2018-06-25 08:59:43,981 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:59:43" (1/1) ... [2018-06-25 08:59:43,987 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:59:43" (1/1) ... [2018-06-25 08:59:43,987 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:59:43" (1/1) ... [2018-06-25 08:59:43,992 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:59:43" (1/1) ... [2018-06-25 08:59:43,994 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:59:43" (1/1) ... [2018-06-25 08:59:44,002 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:59:43" (1/1) ... [2018-06-25 08:59:44,004 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-25 08:59:44,005 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-25 08:59:44,005 INFO ]: Initializing RCFGBuilder... [2018-06-25 08:59:44,005 INFO ]: RCFGBuilder initialized [2018-06-25 08:59:44,006 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:59:43" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-25 08:59:44,026 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-25 08:59:44,026 INFO ]: Found specification of procedure gotoProc [2018-06-25 08:59:44,026 INFO ]: Found implementation of procedure gotoProc [2018-06-25 08:59:44,026 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-25 08:59:44,026 INFO ]: Found specification of procedure Ultimate.START [2018-06-25 08:59:44,026 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-25 08:59:44,352 INFO ]: Using library mode [2018-06-25 08:59:44,352 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:59:44 BoogieIcfgContainer [2018-06-25 08:59:44,352 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-25 08:59:44,355 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-25 08:59:44,355 INFO ]: Initializing TraceAbstraction... [2018-06-25 08:59:44,358 INFO ]: TraceAbstraction initialized [2018-06-25 08:59:44,366 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 25.06 08:59:43" (1/3) ... [2018-06-25 08:59:44,367 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5ba82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 25.06 08:59:44, skipping insertion in model container [2018-06-25 08:59:44,367 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 25.06 08:59:43" (2/3) ... [2018-06-25 08:59:44,367 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5ba82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.06 08:59:44, skipping insertion in model container [2018-06-25 08:59:44,367 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.06 08:59:44" (3/3) ... [2018-06-25 08:59:44,369 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-25 08:59:44,378 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-25 08:59:44,386 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-25 08:59:44,438 INFO ]: Using default assertion order modulation [2018-06-25 08:59:44,438 INFO ]: Interprodecural is true [2018-06-25 08:59:44,438 INFO ]: Hoare is false [2018-06-25 08:59:44,438 INFO ]: Compute interpolants for FPandBP [2018-06-25 08:59:44,438 INFO ]: Backedges is TWOTRACK [2018-06-25 08:59:44,438 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-25 08:59:44,438 INFO ]: Difference is false [2018-06-25 08:59:44,438 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-25 08:59:44,438 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-25 08:59:44,457 INFO ]: Start isEmpty. Operand 13 states. [2018-06-25 08:59:44,470 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-25 08:59:44,470 INFO ]: Found error trace [2018-06-25 08:59:44,471 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:59:44,471 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:59:44,476 INFO ]: Analyzing trace with hash 1929122820, now seen corresponding path program 1 times [2018-06-25 08:59:44,478 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:59:44,479 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:59:44,516 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:59:44,516 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:59:44,516 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:59:44,554 INFO ]: Conjunction of SSA is unsat [2018-06-25 08:59:44,603 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-25 08:59:44,605 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-25 08:59:44,605 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-25 08:59:44,606 INFO ]: Interpolant automaton has 3 states [2018-06-25 08:59:44,620 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-25 08:59:44,620 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-25 08:59:44,622 INFO ]: Start difference. First operand 13 states. Second operand 3 states. [2018-06-25 08:59:44,655 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-25 08:59:44,655 INFO ]: Finished difference Result 11 states and 16 transitions. [2018-06-25 08:59:44,655 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-25 08:59:44,656 INFO ]: Start accepts. Automaton has 3 states. Word has length 8 [2018-06-25 08:59:44,657 INFO ]: Finished accepts. some prefix is accepted. [2018-06-25 08:59:44,665 INFO ]: With dead ends: 11 [2018-06-25 08:59:44,665 INFO ]: Without dead ends: 11 [2018-06-25 08:59:44,667 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 08:59:44,683 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-25 08:59:44,698 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-25 08:59:44,701 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-25 08:59:44,701 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2018-06-25 08:59:44,703 INFO ]: Start accepts. Automaton has 11 states and 16 transitions. Word has length 8 [2018-06-25 08:59:44,703 INFO ]: Finished accepts. word is rejected. [2018-06-25 08:59:44,703 INFO ]: Abstraction has 11 states and 16 transitions. [2018-06-25 08:59:44,703 INFO ]: Interpolant automaton has 3 states. [2018-06-25 08:59:44,703 INFO ]: Start isEmpty. Operand 11 states and 16 transitions. [2018-06-25 08:59:44,703 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-25 08:59:44,703 INFO ]: Found error trace [2018-06-25 08:59:44,703 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-25 08:59:44,703 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-25 08:59:44,704 INFO ]: Analyzing trace with hash -443431672, now seen corresponding path program 1 times [2018-06-25 08:59:44,704 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-25 08:59:44,704 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-25 08:59:44,705 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:59:44,705 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-25 08:59:44,705 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-25 08:59:44,728 INFO ]: Conjunction of SSA is sat [2018-06-25 08:59:44,730 INFO ]: Counterexample might be feasible [2018-06-25 08:59:44,745 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.06 08:59:44 BoogieIcfgContainer [2018-06-25 08:59:44,746 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-25 08:59:44,746 INFO ]: Toolchain (without parser) took 841.88 ms. Allocated memory is still 309.3 MB. Free memory was 263.7 MB in the beginning and 232.5 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 3.6 GB. [2018-06-25 08:59:44,748 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-25 08:59:44,748 INFO ]: ChcToBoogie took 51.14 ms. Allocated memory is still 309.3 MB. Free memory was 263.7 MB in the beginning and 261.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. [2018-06-25 08:59:44,749 INFO ]: Boogie Preprocessor took 42.77 ms. Allocated memory is still 309.3 MB. Free memory was 261.6 MB in the beginning and 259.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:59:44,749 INFO ]: RCFGBuilder took 347.67 ms. Allocated memory is still 309.3 MB. Free memory was 259.6 MB in the beginning and 248.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. [2018-06-25 08:59:44,750 INFO ]: TraceAbstraction took 390.73 ms. Allocated memory is still 309.3 MB. Free memory was 248.6 MB in the beginning and 232.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 3.6 GB. [2018-06-25 08:59:44,755 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 51.14 ms. Allocated memory is still 309.3 MB. Free memory was 263.7 MB in the beginning and 261.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 42.77 ms. Allocated memory is still 309.3 MB. Free memory was 261.6 MB in the beginning and 259.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 347.67 ms. Allocated memory is still 309.3 MB. Free memory was 259.6 MB in the beginning and 248.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 390.73 ms. Allocated memory is still 309.3 MB. Free memory was 248.6 MB in the beginning and 232.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 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, 0, 0, 0, 0, 0, 0); [L0] gotoSwitch := gotoSwitch_in; [L0] assume !(hbv_False_1_Int == hbv_False_2_Int); [L0] hhv_inv_main37_0_Int, hhv_inv_main37_1_Int, hhv_inv_main37_2_Int, hhv_inv_main37_3_Int := hbv_False_3_Int, hbv_False_4_Int, hbv_False_1_Int, hbv_False_2_Int; [L0] havoc hbv_False_3_Int, hbv_False_2_Int, hbv_False_1_Int, hbv_False_4_Int; [L0] assume !(!(hbv_inv_main37_4_Int == 0) && 0 <= hbv_inv_main37_2_Int + -1 * hbv_inv_main37_1_Int + -1) && !(!(hbv_inv_main37_3_Int == 0) && 0 <= hbv_inv_main37_1_Int + -1 * hbv_inv_main37_2_Int + -1); [L0] hhv_inv_main32_0_Int, hhv_inv_main32_1_Int, hhv_inv_main32_2_Int, hhv_inv_main32_3_Int, hhv_inv_main32_4_Int, hhv_inv_main32_5_Int := hhv_inv_main37_0_Int, hhv_inv_main37_1_Int, hhv_inv_main37_2_Int, hbv_inv_main37_1_Int, hhv_inv_main37_3_Int, hbv_inv_main37_2_Int; [L0] havoc hbv_inv_main37_1_Int, hbv_inv_main37_2_Int, hbv_inv_main37_4_Int, hbv_inv_main37_3_Int; [L0] assume (((((hhv_inv_main32_3_Int == hhv_inv_main32_0_Int && 0 <= hhv_inv_main32_0_Int + -1) && !(!(hbv_inv_main32_2_Int == 0) && 0 <= hhv_inv_main32_0_Int + -1)) && hhv_inv_main32_2_Int == hhv_inv_main32_1_Int) && hhv_inv_main32_4_Int == hhv_inv_main32_1_Int + -2) && !(hbv_inv_main32_1_Int == 0)) && hhv_inv_main32_5_Int == 1; [L0] hhv_inv_main3_0_Int, hhv_inv_main3_1_Int := hhv_inv_main32_0_Int, hhv_inv_main32_1_Int; [L0] havoc hbv_inv_main32_2_Int, hbv_inv_main32_1_Int; [L0] assume true; [L0] RET call gotoProc(0, 0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 11 SDslu, 4 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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/nested-while_unsafe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-25_08-59-44-768.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/nested-while_unsafe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-25_08-59-44-768.csv Received shutdown request...