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/hopv/lia/mochi/a-dotprod.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:25:51,806 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:25:51,808 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:25:51,823 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:25:51,823 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:25:51,824 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:25:51,825 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:25:51,829 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:25:51,831 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:25:51,832 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:25:51,833 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:25:51,833 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:25:51,834 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:25:51,843 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:25:51,844 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:25:51,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:25:51,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:25:51,850 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:25:51,851 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:25:51,852 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:25:51,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:25:51,857 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:25:51,858 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:25:51,858 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:25:51,858 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:25:51,861 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:25:51,862 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:25:51,862 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:25:51,863 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:25:51,863 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:25:51,867 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:25:51,867 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:25:51,867 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:25:51,868 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:25:51,869 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:25:51,869 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 11:25:51,890 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:25:51,891 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:25:51,892 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:25:51,892 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:25:51,893 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:25:51,893 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:25:51,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:25:51,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:25:51,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:25:51,894 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:25:51,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:25:51,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:25:51,895 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:25:51,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:25:51,895 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:25:51,895 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:25:51,895 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:25:51,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:25:51,898 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:25:51,899 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:25:51,900 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:25:51,943 INFO ]: Repository-Root is: /tmp [2018-06-22 11:25:51,956 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:25:51,959 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:25:51,960 INFO ]: Initializing SmtParser... [2018-06-22 11:25:51,961 INFO ]: SmtParser initialized [2018-06-22 11:25:51,961 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/mochi/a-dotprod.smt2 [2018-06-22 11:25:51,963 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 11:25:52,049 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/mochi/a-dotprod.smt2 unknown [2018-06-22 11:25:52,351 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/mochi/a-dotprod.smt2 [2018-06-22 11:25:52,355 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:25:52,364 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:25:52,364 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:25:52,364 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:25:52,364 INFO ]: ChcToBoogie initialized [2018-06-22 11:25:52,368 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:25:52" (1/1) ... [2018-06-22 11:25:52,415 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:25:52 Unit [2018-06-22 11:25:52,416 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:25:52,416 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:25:52,416 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:25:52,416 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:25:52,439 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:25:52" (1/1) ... [2018-06-22 11:25:52,439 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:25:52" (1/1) ... [2018-06-22 11:25:52,446 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:25:52" (1/1) ... [2018-06-22 11:25:52,446 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:25:52" (1/1) ... [2018-06-22 11:25:52,452 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:25:52" (1/1) ... [2018-06-22 11:25:52,455 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:25:52" (1/1) ... [2018-06-22 11:25:52,456 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:25:52" (1/1) ... [2018-06-22 11:25:52,461 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:25:52,461 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:25:52,461 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:25:52,461 INFO ]: RCFGBuilder initialized [2018-06-22 11:25:52,462 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:25:52" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 11:25:52,479 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:25:52,479 INFO ]: Found specification of procedure False [2018-06-22 11:25:52,479 INFO ]: Found implementation of procedure False [2018-06-22 11:25:52,479 INFO ]: Specification and implementation of procedure make_arrayDLRunknownCLN10 given in one single declaration [2018-06-22 11:25:52,479 INFO ]: Found specification of procedure make_arrayDLRunknownCLN10 [2018-06-22 11:25:52,479 INFO ]: Found implementation of procedure make_arrayDLRunknownCLN10 [2018-06-22 11:25:52,480 INFO ]: Specification and implementation of procedure dotprodDLRunknownCLN4 given in one single declaration [2018-06-22 11:25:52,480 INFO ]: Found specification of procedure dotprodDLRunknownCLN4 [2018-06-22 11:25:52,480 INFO ]: Found implementation of procedure dotprodDLRunknownCLN4 [2018-06-22 11:25:52,480 INFO ]: Specification and implementation of procedure dotprodDLRunknownCLN7 given in one single declaration [2018-06-22 11:25:52,480 INFO ]: Found specification of procedure dotprodDLRunknownCLN7 [2018-06-22 11:25:52,480 INFO ]: Found implementation of procedure dotprodDLRunknownCLN7 [2018-06-22 11:25:52,480 INFO ]: Specification and implementation of procedure dotprodDLRunknownCLN5 given in one single declaration [2018-06-22 11:25:52,480 INFO ]: Found specification of procedure dotprodDLRunknownCLN5 [2018-06-22 11:25:52,480 INFO ]: Found implementation of procedure dotprodDLRunknownCLN5 [2018-06-22 11:25:52,480 INFO ]: Specification and implementation of procedure make_arrayDLRunknownCLN11 given in one single declaration [2018-06-22 11:25:52,480 INFO ]: Found specification of procedure make_arrayDLRunknownCLN11 [2018-06-22 11:25:52,480 INFO ]: Found implementation of procedure make_arrayDLRunknownCLN11 [2018-06-22 11:25:52,480 INFO ]: Specification and implementation of procedure dotprodDLRunknownCLN3 given in one single declaration [2018-06-22 11:25:52,480 INFO ]: Found specification of procedure dotprodDLRunknownCLN3 [2018-06-22 11:25:52,480 INFO ]: Found implementation of procedure dotprodDLRunknownCLN3 [2018-06-22 11:25:52,480 INFO ]: Specification and implementation of procedure dotprodDLRunknownCLN2 given in one single declaration [2018-06-22 11:25:52,480 INFO ]: Found specification of procedure dotprodDLRunknownCLN2 [2018-06-22 11:25:52,480 INFO ]: Found implementation of procedure dotprodDLRunknownCLN2 [2018-06-22 11:25:52,480 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:25:52,480 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:25:52,480 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:25:53,104 INFO ]: Using library mode [2018-06-22 11:25:53,104 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:25:53 BoogieIcfgContainer [2018-06-22 11:25:53,104 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:25:53,105 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:25:53,105 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:25:53,112 INFO ]: TraceAbstraction initialized [2018-06-22 11:25:53,112 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:25:52" (1/3) ... [2018-06-22 11:25:53,113 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621843e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:25:53, skipping insertion in model container [2018-06-22 11:25:53,113 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:25:52" (2/3) ... [2018-06-22 11:25:53,113 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621843e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:25:53, skipping insertion in model container [2018-06-22 11:25:53,113 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:25:53" (3/3) ... [2018-06-22 11:25:53,115 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:25:53,124 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:25:53,136 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:25:53,179 INFO ]: Using default assertion order modulation [2018-06-22 11:25:53,179 INFO ]: Interprodecural is true [2018-06-22 11:25:53,179 INFO ]: Hoare is false [2018-06-22 11:25:53,179 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:25:53,179 INFO ]: Backedges is TWOTRACK [2018-06-22 11:25:53,179 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:25:53,179 INFO ]: Difference is false [2018-06-22 11:25:53,179 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:25:53,179 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:25:53,196 INFO ]: Start isEmpty. Operand 43 states. [2018-06-22 11:25:53,207 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:25:53,207 INFO ]: Found error trace [2018-06-22 11:25:53,208 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:25:53,208 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:25:53,214 INFO ]: Analyzing trace with hash 125347449, now seen corresponding path program 1 times [2018-06-22 11:25:53,215 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:25:53,216 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:25:53,252 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:53,252 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:25:53,252 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:53,265 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:25:53,291 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:25:53,293 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:25:53,293 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:25:53,294 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:25:53,304 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:25:53,305 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:25:53,307 INFO ]: Start difference. First operand 43 states. Second operand 2 states. [2018-06-22 11:25:53,330 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:25:53,330 INFO ]: Finished difference Result 41 states and 49 transitions. [2018-06-22 11:25:53,330 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:25:53,333 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:25:53,333 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:25:53,356 INFO ]: With dead ends: 41 [2018-06-22 11:25:53,356 INFO ]: Without dead ends: 41 [2018-06-22 11:25:53,358 INFO ]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:25:53,375 INFO ]: Start minimizeSevpa. Operand 41 states. [2018-06-22 11:25:53,396 INFO ]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-06-22 11:25:53,397 INFO ]: Start removeUnreachable. Operand 41 states. [2018-06-22 11:25:53,399 INFO ]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2018-06-22 11:25:53,400 INFO ]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 5 [2018-06-22 11:25:53,400 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:25:53,400 INFO ]: Abstraction has 41 states and 49 transitions. [2018-06-22 11:25:53,400 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:25:53,400 INFO ]: Start isEmpty. Operand 41 states and 49 transitions. [2018-06-22 11:25:53,402 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 11:25:53,402 INFO ]: Found error trace [2018-06-22 11:25:53,402 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:25:53,402 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:25:53,402 INFO ]: Analyzing trace with hash 1494450702, now seen corresponding path program 1 times [2018-06-22 11:25:53,402 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:25:53,402 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:25:53,403 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:53,403 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:25:53,403 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:53,446 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:25:53,725 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:25:53,725 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:25:53,725 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-22 11:25:53,727 INFO ]: Interpolant automaton has 7 states [2018-06-22 11:25:53,727 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 11:25:53,727 INFO ]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-06-22 11:25:53,727 INFO ]: Start difference. First operand 41 states and 49 transitions. Second operand 7 states. [2018-06-22 11:25:54,035 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:25:54,035 INFO ]: Finished difference Result 47 states and 58 transitions. [2018-06-22 11:25:54,036 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 11:25:54,036 INFO ]: Start accepts. Automaton has 7 states. Word has length 17 [2018-06-22 11:25:54,036 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:25:54,038 INFO ]: With dead ends: 47 [2018-06-22 11:25:54,038 INFO ]: Without dead ends: 47 [2018-06-22 11:25:54,039 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-06-22 11:25:54,039 INFO ]: Start minimizeSevpa. Operand 47 states. [2018-06-22 11:25:54,050 INFO ]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-06-22 11:25:54,050 INFO ]: Start removeUnreachable. Operand 47 states. [2018-06-22 11:25:54,052 INFO ]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2018-06-22 11:25:54,052 INFO ]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 17 [2018-06-22 11:25:54,052 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:25:54,052 INFO ]: Abstraction has 47 states and 58 transitions. [2018-06-22 11:25:54,053 INFO ]: Interpolant automaton has 7 states. [2018-06-22 11:25:54,053 INFO ]: Start isEmpty. Operand 47 states and 58 transitions. [2018-06-22 11:25:54,054 INFO ]: Finished isEmpty. Found accepting run of length 46 [2018-06-22 11:25:54,054 INFO ]: Found error trace [2018-06-22 11:25:54,054 INFO ]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:25:54,054 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:25:54,055 INFO ]: Analyzing trace with hash 1226574725, now seen corresponding path program 1 times [2018-06-22 11:25:54,055 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:25:54,055 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:25:54,055 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:54,055 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:25:54,055 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:54,108 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:25:54,250 INFO ]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-06-22 11:25:54,250 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:25:54,251 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-22 11:25:54,251 INFO ]: Interpolant automaton has 7 states [2018-06-22 11:25:54,251 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 11:25:54,251 INFO ]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-06-22 11:25:54,251 INFO ]: Start difference. First operand 47 states and 58 transitions. Second operand 7 states. [2018-06-22 11:25:54,377 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:25:54,377 INFO ]: Finished difference Result 51 states and 63 transitions. [2018-06-22 11:25:54,378 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 11:25:54,378 INFO ]: Start accepts. Automaton has 7 states. Word has length 45 [2018-06-22 11:25:54,379 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:25:54,380 INFO ]: With dead ends: 51 [2018-06-22 11:25:54,380 INFO ]: Without dead ends: 51 [2018-06-22 11:25:54,381 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-06-22 11:25:54,381 INFO ]: Start minimizeSevpa. Operand 51 states. [2018-06-22 11:25:54,400 INFO ]: Finished minimizeSevpa. Reduced states from 51 to 49. [2018-06-22 11:25:54,400 INFO ]: Start removeUnreachable. Operand 49 states. [2018-06-22 11:25:54,402 INFO ]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2018-06-22 11:25:54,402 INFO ]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 45 [2018-06-22 11:25:54,402 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:25:54,402 INFO ]: Abstraction has 49 states and 61 transitions. [2018-06-22 11:25:54,402 INFO ]: Interpolant automaton has 7 states. [2018-06-22 11:25:54,402 INFO ]: Start isEmpty. Operand 49 states and 61 transitions. [2018-06-22 11:25:54,408 INFO ]: Finished isEmpty. Found accepting run of length 106 [2018-06-22 11:25:54,408 INFO ]: Found error trace [2018-06-22 11:25:54,408 INFO ]: trace histogram [8, 7, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:25:54,408 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:25:54,409 INFO ]: Analyzing trace with hash 1505988364, now seen corresponding path program 1 times [2018-06-22 11:25:54,409 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:25:54,409 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:25:54,409 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:54,409 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:25:54,409 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:54,423 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-22 11:25:54,423 INFO ]: Advancing trace checker [2018-06-22 11:25:54,423 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 (exit command is (exit), workingDir is null) [2018-06-22 11:25:54,440 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-22 11:25:54,573 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:25:54,591 INFO ]: Computing forward predicates... [2018-06-22 11:25:54,830 WARN ]: Spent 187.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-06-22 11:25:55,582 INFO ]: Checked inductivity of 185 backedges. 30 proven. 14 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-06-22 11:25:55,615 INFO ]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-06-22 11:25:55,615 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-06-22 11:25:55,615 INFO ]: Interpolant automaton has 12 states [2018-06-22 11:25:55,616 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 11:25:55,616 INFO ]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-06-22 11:25:55,616 INFO ]: Start difference. First operand 49 states and 61 transitions. Second operand 12 states. [2018-06-22 11:25:56,443 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:25:56,443 INFO ]: Finished difference Result 52 states and 64 transitions. [2018-06-22 11:25:56,444 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-06-22 11:25:56,444 INFO ]: Start accepts. Automaton has 12 states. Word has length 105 [2018-06-22 11:25:56,445 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:25:56,446 INFO ]: With dead ends: 52 [2018-06-22 11:25:56,446 INFO ]: Without dead ends: 52 [2018-06-22 11:25:56,447 INFO ]: 0 DeclaredPredicates, 106 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-06-22 11:25:56,447 INFO ]: Start minimizeSevpa. Operand 52 states. [2018-06-22 11:25:56,454 INFO ]: Finished minimizeSevpa. Reduced states from 52 to 47. [2018-06-22 11:25:56,455 INFO ]: Start removeUnreachable. Operand 47 states. [2018-06-22 11:25:56,456 INFO ]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2018-06-22 11:25:56,456 INFO ]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 105 [2018-06-22 11:25:56,457 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:25:56,457 INFO ]: Abstraction has 47 states and 58 transitions. [2018-06-22 11:25:56,457 INFO ]: Interpolant automaton has 12 states. [2018-06-22 11:25:56,457 INFO ]: Start isEmpty. Operand 47 states and 58 transitions. [2018-06-22 11:25:56,461 INFO ]: Finished isEmpty. Found accepting run of length 134 [2018-06-22 11:25:56,461 INFO ]: Found error trace [2018-06-22 11:25:56,461 INFO ]: trace histogram [10, 9, 7, 7, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:25:56,461 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:25:56,462 INFO ]: Analyzing trace with hash -655761021, now seen corresponding path program 1 times [2018-06-22 11:25:56,462 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:25:56,462 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:25:56,463 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:56,463 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:25:56,463 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:56,499 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-22 11:25:56,499 INFO ]: Advancing trace checker [2018-06-22 11:25:56,499 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-22 11:25:56,510 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:25:56,575 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:25:56,588 INFO ]: Computing forward predicates... [2018-06-22 11:25:56,851 INFO ]: Checked inductivity of 299 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-06-22 11:25:56,874 INFO ]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-06-22 11:25:56,874 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-06-22 11:25:56,874 INFO ]: Interpolant automaton has 14 states [2018-06-22 11:25:56,875 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 11:25:56,875 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 11:25:56,875 INFO ]: Start difference. First operand 47 states and 58 transitions. Second operand 14 states. [2018-06-22 11:25:57,416 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:25:57,416 INFO ]: Finished difference Result 62 states and 80 transitions. [2018-06-22 11:25:57,417 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-06-22 11:25:57,417 INFO ]: Start accepts. Automaton has 14 states. Word has length 133 [2018-06-22 11:25:57,417 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:25:57,419 INFO ]: With dead ends: 62 [2018-06-22 11:25:57,419 INFO ]: Without dead ends: 61 [2018-06-22 11:25:57,419 INFO ]: 0 DeclaredPredicates, 138 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-06-22 11:25:57,419 INFO ]: Start minimizeSevpa. Operand 61 states. [2018-06-22 11:25:57,427 INFO ]: Finished minimizeSevpa. Reduced states from 61 to 60. [2018-06-22 11:25:57,427 INFO ]: Start removeUnreachable. Operand 60 states. [2018-06-22 11:25:57,429 INFO ]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2018-06-22 11:25:57,429 INFO ]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 133 [2018-06-22 11:25:57,429 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:25:57,429 INFO ]: Abstraction has 60 states and 77 transitions. [2018-06-22 11:25:57,429 INFO ]: Interpolant automaton has 14 states. [2018-06-22 11:25:57,429 INFO ]: Start isEmpty. Operand 60 states and 77 transitions. [2018-06-22 11:25:57,435 INFO ]: Finished isEmpty. Found accepting run of length 310 [2018-06-22 11:25:57,435 INFO ]: Found error trace [2018-06-22 11:25:57,435 INFO ]: trace histogram [24, 21, 17, 17, 17, 17, 11, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 11:25:57,435 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:25:57,435 INFO ]: Analyzing trace with hash 1686176895, now seen corresponding path program 2 times [2018-06-22 11:25:57,435 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:25:57,435 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:25:57,438 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:57,438 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:25:57,438 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:25:57,461 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-22 11:25:57,461 INFO ]: Advancing trace checker [2018-06-22 11:25:57,461 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 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-22 11:25:57,476 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 11:25:57,613 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 11:25:57,613 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:25:57,632 INFO ]: Computing forward predicates... [2018-06-22 11:25:58,008 INFO ]: Checked inductivity of 1921 backedges. 74 proven. 153 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2018-06-22 11:25:58,030 INFO ]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-06-22 11:25:58,030 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-06-22 11:25:58,030 INFO ]: Interpolant automaton has 16 states [2018-06-22 11:25:58,030 INFO ]: Constructing interpolant automaton starting with 16 interpolants. [2018-06-22 11:25:58,030 INFO ]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-06-22 11:25:58,031 INFO ]: Start difference. First operand 60 states and 77 transitions. Second operand 16 states. [2018-06-22 11:25:58,280 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:25:58,280 INFO ]: Finished difference Result 61 states and 78 transitions. [2018-06-22 11:25:58,281 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-06-22 11:25:58,281 INFO ]: Start accepts. Automaton has 16 states. Word has length 309 [2018-06-22 11:25:58,283 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:25:58,283 INFO ]: With dead ends: 61 [2018-06-22 11:25:58,283 INFO ]: Without dead ends: 0 [2018-06-22 11:25:58,283 INFO ]: 0 DeclaredPredicates, 310 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2018-06-22 11:25:58,283 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 11:25:58,284 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 11:25:58,284 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 11:25:58,284 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 11:25:58,284 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-06-22 11:25:58,284 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:25:58,284 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 11:25:58,284 INFO ]: Interpolant automaton has 16 states. [2018-06-22 11:25:58,284 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 11:25:58,284 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 11:25:58,289 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:25:58 BoogieIcfgContainer [2018-06-22 11:25:58,289 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:25:58,290 INFO ]: Toolchain (without parser) took 5933.50 ms. Allocated memory was 309.3 MB in the beginning and 370.7 MB in the end (delta: 61.3 MB). Free memory was 261.7 MB in the beginning and 213.5 MB in the end (delta: 48.2 MB). Peak memory consumption was 109.5 MB. Max. memory is 3.6 GB. [2018-06-22 11:25:58,291 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:25:58,291 INFO ]: ChcToBoogie took 51.68 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 259.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:25:58,291 INFO ]: Boogie Preprocessor took 44.32 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 257.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:25:58,292 INFO ]: RCFGBuilder took 643.29 ms. Allocated memory is still 309.3 MB. Free memory was 257.7 MB in the beginning and 245.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:25:58,293 INFO ]: TraceAbstraction took 5183.27 ms. Allocated memory was 309.3 MB in the beginning and 370.7 MB in the end (delta: 61.3 MB). Free memory was 245.8 MB in the beginning and 213.5 MB in the end (delta: 32.3 MB). Peak memory consumption was 93.6 MB. Max. memory is 3.6 GB. [2018-06-22 11:25:58,296 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 309.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 51.68 ms. Allocated memory is still 309.3 MB. Free memory was 261.7 MB in the beginning and 259.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 44.32 ms. Allocated memory is still 309.3 MB. Free memory was 259.7 MB in the beginning and 257.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 643.29 ms. Allocated memory is still 309.3 MB. Free memory was 257.7 MB in the beginning and 245.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 5183.27 ms. Allocated memory was 309.3 MB in the beginning and 370.7 MB in the end (delta: 61.3 MB). Free memory was 245.8 MB in the beginning and 213.5 MB in the end (delta: 32.3 MB). Peak memory consumption was 93.6 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 43 locations, 1 error locations. SAFE Result, 5.1s OverallTime, 6 OverallIterations, 24 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 269 SDtfs, 17 SDslu, 1554 SDs, 0 SdLazy, 869 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 570 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=5, 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 614 NumberOfCodeBlocks, 614 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 608 ConstructedInterpolants, 0 QuantifiedInterpolants, 183200 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1769 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 2196/2421 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/a-dotprod.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-25-58-307.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/a-dotprod.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-25-58-307.csv Received shutdown request...