java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/hopv/lia/termination/indirectHO03.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 21:28:52,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 21:28:52,820 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 21:28:52,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 21:28:52,832 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 21:28:52,833 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 21:28:52,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 21:28:52,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 21:28:52,840 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 21:28:52,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 21:28:52,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 21:28:52,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 21:28:52,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 21:28:52,850 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 21:28:52,851 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 21:28:52,852 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 21:28:52,854 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 21:28:52,855 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 21:28:52,857 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 21:28:52,858 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 21:28:52,859 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 21:28:52,861 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-06-24 21:28:52,865 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 21:28:52,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 21:28:52,867 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 21:28:52,867 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 21:28:52,868 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 21:28:52,868 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 21:28:52,869 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 21:28:52,882 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 21:28:52,882 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 21:28:52,883 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 21:28:52,883 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 21:28:52,884 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 21:28:52,884 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 21:28:52,884 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 21:28:52,884 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 21:28:52,885 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 21:28:52,885 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 21:28:52,885 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 21:28:52,885 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 21:28:52,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:28:52,886 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 21:28:52,886 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 21:28:52,886 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 21:28:52,886 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 21:28:52,886 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 21:28:52,887 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 21:28:52,887 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 21:28:52,887 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 21:28:52,888 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 21:28:52,888 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 21:28:52,932 INFO ]: Repository-Root is: /tmp [2018-06-24 21:28:52,951 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 21:28:52,956 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 21:28:52,957 INFO ]: Initializing SmtParser... [2018-06-24 21:28:52,958 INFO ]: SmtParser initialized [2018-06-24 21:28:52,958 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/indirectHO03.smt2 [2018-06-24 21:28:52,959 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 [2018-06-24 21:28:53,053 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/indirectHO03.smt2 unknown [2018-06-24 21:28:53,581 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/indirectHO03.smt2 [2018-06-24 21:28:53,585 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 21:28:53,600 INFO ]: Walking toolchain with 5 elements. [2018-06-24 21:28:53,601 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 21:28:53,601 INFO ]: Initializing ChcToBoogie... [2018-06-24 21:28:53,601 INFO ]: ChcToBoogie initialized [2018-06-24 21:28:53,604 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:28:53" (1/1) ... [2018-06-24 21:28:53,702 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:28:53 Unit [2018-06-24 21:28:53,702 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 21:28:53,703 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 21:28:53,703 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 21:28:53,703 INFO ]: Boogie Preprocessor initialized [2018-06-24 21:28:53,736 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:28:53" (1/1) ... [2018-06-24 21:28:53,736 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:28:53" (1/1) ... [2018-06-24 21:28:53,741 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:28:53" (1/1) ... [2018-06-24 21:28:53,741 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:28:53" (1/1) ... [2018-06-24 21:28:53,746 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:28:53" (1/1) ... [2018-06-24 21:28:53,748 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:28:53" (1/1) ... [2018-06-24 21:28:53,750 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:28:53" (1/1) ... [2018-06-24 21:28:53,755 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 21:28:53,756 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 21:28:53,756 INFO ]: Initializing RCFGBuilder... [2018-06-24 21:28:53,756 INFO ]: RCFGBuilder initialized [2018-06-24 21:28:53,757 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:28:53" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:28:53,778 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 21:28:53,778 INFO ]: Found specification of procedure gotoProc [2018-06-24 21:28:53,779 INFO ]: Found implementation of procedure gotoProc [2018-06-24 21:28:53,779 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 21:28:53,779 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 21:28:53,779 INFO ]: Found implementation of procedure Ultimate.START [2018-06-24 21:28:54,168 INFO ]: Using library mode [2018-06-24 21:28:54,170 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:28:54 BoogieIcfgContainer [2018-06-24 21:28:54,171 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 21:28:54,171 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 21:28:54,171 INFO ]: Initializing BlockEncodingV2... [2018-06-24 21:28:54,172 INFO ]: BlockEncodingV2 initialized [2018-06-24 21:28:54,172 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:28:54" (1/1) ... [2018-06-24 21:28:54,196 INFO ]: Initial Icfg 31 locations, 42 edges [2018-06-24 21:28:54,197 INFO ]: Using Remove infeasible edges [2018-06-24 21:28:54,198 INFO ]: Using Maximize final states [2018-06-24 21:28:54,199 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 21:28:54,199 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 21:28:54,201 INFO ]: Using Remove sink states [2018-06-24 21:28:54,201 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 21:28:54,201 INFO ]: Using Use SBE [2018-06-24 21:28:54,212 INFO ]: SBE split 0 edges [2018-06-24 21:28:54,217 INFO ]: Removed 4 edges and 2 locations because of local infeasibility [2018-06-24 21:28:54,218 INFO ]: 0 new accepting states [2018-06-24 21:28:54,592 INFO ]: Removed 38 edges and 13 locations by large block encoding [2018-06-24 21:28:54,594 INFO ]: Removed 1 edges and 1 locations by removing sink states [2018-06-24 21:28:54,597 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 21:28:54,598 INFO ]: 0 new accepting states [2018-06-24 21:28:54,598 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:28:54,598 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:28:54,598 INFO ]: Encoded RCFG 15 locations, 24 edges [2018-06-24 21:28:54,599 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:28:54 BasicIcfg [2018-06-24 21:28:54,599 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 21:28:54,600 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 21:28:54,600 INFO ]: Initializing TraceAbstraction... [2018-06-24 21:28:54,606 INFO ]: TraceAbstraction initialized [2018-06-24 21:28:54,606 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:28:53" (1/4) ... [2018-06-24 21:28:54,607 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb4d822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 09:28:54, skipping insertion in model container [2018-06-24 21:28:54,607 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:28:53" (2/4) ... [2018-06-24 21:28:54,607 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb4d822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 09:28:54, skipping insertion in model container [2018-06-24 21:28:54,607 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:28:54" (3/4) ... [2018-06-24 21:28:54,609 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb4d822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:28:54, skipping insertion in model container [2018-06-24 21:28:54,609 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:28:54" (4/4) ... [2018-06-24 21:28:54,611 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 21:28:54,623 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 21:28:54,641 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-24 21:28:54,688 INFO ]: Using default assertion order modulation [2018-06-24 21:28:54,689 INFO ]: Interprodecural is true [2018-06-24 21:28:54,689 INFO ]: Hoare is false [2018-06-24 21:28:54,689 INFO ]: Compute interpolants for FPandBP [2018-06-24 21:28:54,689 INFO ]: Backedges is TWOTRACK [2018-06-24 21:28:54,689 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 21:28:54,689 INFO ]: Difference is false [2018-06-24 21:28:54,689 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 21:28:54,689 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 21:28:54,702 INFO ]: Start isEmpty. Operand 15 states. [2018-06-24 21:28:54,722 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:28:54,722 INFO ]: Found error trace [2018-06-24 21:28:54,723 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:28:54,723 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:28:54,730 INFO ]: Analyzing trace with hash 35992676, now seen corresponding path program 1 times [2018-06-24 21:28:54,732 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:28:54,732 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:28:54,771 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:54,771 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:28:54,771 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:54,803 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-24 21:28:54,803 INFO ]: Advancing trace checker [2018-06-24 21:28:54,804 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) [2018-06-24 21:28:54,818 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-24 21:28:54,868 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:28:54,876 INFO ]: Computing forward predicates... [2018-06-24 21:28:54,918 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:28:54,939 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:28:54,939 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:28:54,940 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:28:54,951 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:28:54,952 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:28:54,954 INFO ]: Start difference. First operand 15 states. Second operand 3 states. [2018-06-24 21:28:55,329 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:28:55,329 INFO ]: Finished difference Result 25 states and 41 transitions. [2018-06-24 21:28:55,330 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:28:55,331 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 21:28:55,331 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:28:55,338 INFO ]: With dead ends: 25 [2018-06-24 21:28:55,338 INFO ]: Without dead ends: 15 [2018-06-24 21:28:55,340 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:28:55,352 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-24 21:28:55,376 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-06-24 21:28:55,378 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-24 21:28:55,378 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 23 transitions. [2018-06-24 21:28:55,381 INFO ]: Start accepts. Automaton has 15 states and 23 transitions. Word has length 5 [2018-06-24 21:28:55,382 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:28:55,382 INFO ]: Abstraction has 15 states and 23 transitions. [2018-06-24 21:28:55,382 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:28:55,382 INFO ]: Start isEmpty. Operand 15 states and 23 transitions. [2018-06-24 21:28:55,383 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:28:55,383 INFO ]: Found error trace [2018-06-24 21:28:55,383 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:28:55,384 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:28:55,384 INFO ]: Analyzing trace with hash 36052258, now seen corresponding path program 1 times [2018-06-24 21:28:55,384 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:28:55,384 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:28:55,386 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:55,386 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:28:55,386 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:55,392 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-24 21:28:55,392 INFO ]: Advancing trace checker [2018-06-24 21:28:55,392 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 [2018-06-24 21:28:55,406 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:28:55,453 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:28:55,455 INFO ]: Computing forward predicates... [2018-06-24 21:28:55,471 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:28:55,491 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:28:55,491 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:28:55,492 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:28:55,492 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:28:55,492 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:28:55,492 INFO ]: Start difference. First operand 15 states and 23 transitions. Second operand 3 states. [2018-06-24 21:28:55,563 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:28:55,563 INFO ]: Finished difference Result 23 states and 38 transitions. [2018-06-24 21:28:55,563 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:28:55,563 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 21:28:55,564 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:28:55,566 INFO ]: With dead ends: 23 [2018-06-24 21:28:55,566 INFO ]: Without dead ends: 19 [2018-06-24 21:28:55,566 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:28:55,566 INFO ]: Start minimizeSevpa. Operand 19 states. [2018-06-24 21:28:55,571 INFO ]: Finished minimizeSevpa. Reduced states from 19 to 15. [2018-06-24 21:28:55,571 INFO ]: Start removeUnreachable. Operand 15 states. [2018-06-24 21:28:55,572 INFO ]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2018-06-24 21:28:55,572 INFO ]: Start accepts. Automaton has 15 states and 22 transitions. Word has length 5 [2018-06-24 21:28:55,572 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:28:55,572 INFO ]: Abstraction has 15 states and 22 transitions. [2018-06-24 21:28:55,572 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:28:55,572 INFO ]: Start isEmpty. Operand 15 states and 22 transitions. [2018-06-24 21:28:55,572 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-24 21:28:55,572 INFO ]: Found error trace [2018-06-24 21:28:55,572 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-24 21:28:55,573 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:28:55,573 INFO ]: Analyzing trace with hash 36082049, now seen corresponding path program 1 times [2018-06-24 21:28:55,573 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:28:55,573 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:28:55,573 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:55,573 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:28:55,573 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:55,579 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-24 21:28:55,579 INFO ]: Advancing trace checker [2018-06-24 21:28:55,579 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 [2018-06-24 21:28:55,593 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:28:55,624 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:28:55,626 INFO ]: Computing forward predicates... [2018-06-24 21:28:55,675 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-24 21:28:55,706 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:28:55,706 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:28:55,706 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:28:55,706 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:28:55,706 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:28:55,707 INFO ]: Start difference. First operand 15 states and 22 transitions. Second operand 3 states. [2018-06-24 21:28:55,820 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:28:55,821 INFO ]: Finished difference Result 21 states and 30 transitions. [2018-06-24 21:28:55,821 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:28:55,821 INFO ]: Start accepts. Automaton has 3 states. Word has length 5 [2018-06-24 21:28:55,821 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:28:55,822 INFO ]: With dead ends: 21 [2018-06-24 21:28:55,822 INFO ]: Without dead ends: 21 [2018-06-24 21:28:55,822 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:28:55,822 INFO ]: Start minimizeSevpa. Operand 21 states. [2018-06-24 21:28:55,825 INFO ]: Finished minimizeSevpa. Reduced states from 21 to 17. [2018-06-24 21:28:55,825 INFO ]: Start removeUnreachable. Operand 17 states. [2018-06-24 21:28:55,826 INFO ]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2018-06-24 21:28:55,826 INFO ]: Start accepts. Automaton has 17 states and 24 transitions. Word has length 5 [2018-06-24 21:28:55,826 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:28:55,826 INFO ]: Abstraction has 17 states and 24 transitions. [2018-06-24 21:28:55,826 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:28:55,826 INFO ]: Start isEmpty. Operand 17 states and 24 transitions. [2018-06-24 21:28:55,827 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-24 21:28:55,827 INFO ]: Found error trace [2018-06-24 21:28:55,827 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 21:28:55,827 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:28:55,827 INFO ]: Analyzing trace with hash 1171498129, now seen corresponding path program 1 times [2018-06-24 21:28:55,827 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:28:55,827 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:28:55,828 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:55,828 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:28:55,828 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:55,835 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-24 21:28:55,835 INFO ]: Advancing trace checker [2018-06-24 21:28:55,835 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2018-06-24 21:28:55,850 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-24 21:28:55,922 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:28:55,925 INFO ]: Computing forward predicates... [2018-06-24 21:28:55,977 INFO ]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-24 21:28:56,009 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-24 21:28:56,009 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-24 21:28:56,009 INFO ]: Interpolant automaton has 3 states [2018-06-24 21:28:56,009 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-24 21:28:56,010 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:28:56,010 INFO ]: Start difference. First operand 17 states and 24 transitions. Second operand 3 states. [2018-06-24 21:28:56,160 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:28:56,161 INFO ]: Finished difference Result 23 states and 31 transitions. [2018-06-24 21:28:56,161 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-24 21:28:56,161 INFO ]: Start accepts. Automaton has 3 states. Word has length 11 [2018-06-24 21:28:56,161 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:28:56,162 INFO ]: With dead ends: 23 [2018-06-24 21:28:56,162 INFO ]: Without dead ends: 23 [2018-06-24 21:28:56,162 INFO ]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-24 21:28:56,162 INFO ]: Start minimizeSevpa. Operand 23 states. [2018-06-24 21:28:56,165 INFO ]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-06-24 21:28:56,165 INFO ]: Start removeUnreachable. Operand 23 states. [2018-06-24 21:28:56,165 INFO ]: Finished removeUnreachable. Reduced from 23 states to 23 states and 31 transitions. [2018-06-24 21:28:56,166 INFO ]: Start accepts. Automaton has 23 states and 31 transitions. Word has length 11 [2018-06-24 21:28:56,166 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:28:56,166 INFO ]: Abstraction has 23 states and 31 transitions. [2018-06-24 21:28:56,166 INFO ]: Interpolant automaton has 3 states. [2018-06-24 21:28:56,166 INFO ]: Start isEmpty. Operand 23 states and 31 transitions. [2018-06-24 21:28:56,166 INFO ]: Finished isEmpty. Found accepting run of length 17 [2018-06-24 21:28:56,166 INFO ]: Found error trace [2018-06-24 21:28:56,167 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-24 21:28:56,167 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:28:56,167 INFO ]: Analyzing trace with hash 1218670514, now seen corresponding path program 1 times [2018-06-24 21:28:56,167 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:28:56,167 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:28:56,168 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:56,168 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:28:56,168 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:56,175 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-24 21:28:56,175 INFO ]: Advancing trace checker [2018-06-24 21:28:56,175 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2018-06-24 21:28:56,189 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-24 21:28:56,278 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:28:56,283 INFO ]: Computing forward predicates... [2018-06-24 21:28:56,668 INFO ]: Checked inductivity of 12 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-24 21:28:56,688 INFO ]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-06-24 21:28:56,688 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-06-24 21:28:56,689 INFO ]: Interpolant automaton has 7 states [2018-06-24 21:28:56,689 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-24 21:28:56,689 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-24 21:28:56,689 INFO ]: Start difference. First operand 23 states and 31 transitions. Second operand 7 states. [2018-06-24 21:28:57,190 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:28:57,190 INFO ]: Finished difference Result 53 states and 104 transitions. [2018-06-24 21:28:57,191 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-06-24 21:28:57,191 INFO ]: Start accepts. Automaton has 7 states. Word has length 16 [2018-06-24 21:28:57,191 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:28:57,193 INFO ]: With dead ends: 53 [2018-06-24 21:28:57,193 INFO ]: Without dead ends: 47 [2018-06-24 21:28:57,194 INFO ]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-06-24 21:28:57,194 INFO ]: Start minimizeSevpa. Operand 47 states. [2018-06-24 21:28:57,210 INFO ]: Finished minimizeSevpa. Reduced states from 47 to 28. [2018-06-24 21:28:57,210 INFO ]: Start removeUnreachable. Operand 28 states. [2018-06-24 21:28:57,211 INFO ]: Finished removeUnreachable. Reduced from 28 states to 28 states and 41 transitions. [2018-06-24 21:28:57,211 INFO ]: Start accepts. Automaton has 28 states and 41 transitions. Word has length 16 [2018-06-24 21:28:57,211 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:28:57,211 INFO ]: Abstraction has 28 states and 41 transitions. [2018-06-24 21:28:57,211 INFO ]: Interpolant automaton has 7 states. [2018-06-24 21:28:57,211 INFO ]: Start isEmpty. Operand 28 states and 41 transitions. [2018-06-24 21:28:57,213 INFO ]: Finished isEmpty. Found accepting run of length 28 [2018-06-24 21:28:57,213 INFO ]: Found error trace [2018-06-24 21:28:57,213 INFO ]: trace histogram [5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2018-06-24 21:28:57,213 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-24 21:28:57,214 INFO ]: Analyzing trace with hash 301957967, now seen corresponding path program 2 times [2018-06-24 21:28:57,214 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-24 21:28:57,214 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-24 21:28:57,214 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:57,214 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-24 21:28:57,214 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-24 21:28:57,223 ERROR]: Caught known exception: Unsupported non-linear arithmetic [2018-06-24 21:28:57,223 INFO ]: Advancing trace checker [2018-06-24 21:28:57,223 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-06-24 21:28:57,238 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-24 21:28:57,405 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-24 21:28:57,405 INFO ]: Conjunction of SSA is unsat [2018-06-24 21:28:57,412 INFO ]: Computing forward predicates... [2018-06-24 21:28:57,555 INFO ]: Checked inductivity of 45 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-06-24 21:28:57,580 INFO ]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-06-24 21:28:57,580 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-06-24 21:28:57,581 INFO ]: Interpolant automaton has 6 states [2018-06-24 21:28:57,581 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-24 21:28:57,581 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-24 21:28:57,581 INFO ]: Start difference. First operand 28 states and 41 transitions. Second operand 6 states. [2018-06-24 21:28:57,685 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-24 21:28:57,685 INFO ]: Finished difference Result 22 states and 30 transitions. [2018-06-24 21:28:57,685 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-24 21:28:57,686 INFO ]: Start accepts. Automaton has 6 states. Word has length 27 [2018-06-24 21:28:57,686 INFO ]: Finished accepts. some prefix is accepted. [2018-06-24 21:28:57,686 INFO ]: With dead ends: 22 [2018-06-24 21:28:57,686 INFO ]: Without dead ends: 0 [2018-06-24 21:28:57,686 INFO ]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-06-24 21:28:57,686 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-24 21:28:57,686 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-24 21:28:57,686 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-24 21:28:57,686 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-24 21:28:57,686 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-06-24 21:28:57,686 INFO ]: Finished accepts. word is rejected. [2018-06-24 21:28:57,686 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-24 21:28:57,686 INFO ]: Interpolant automaton has 6 states. [2018-06-24 21:28:57,686 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-24 21:28:57,686 INFO ]: Finished isEmpty. No accepting run. [2018-06-24 21:28:57,689 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-24 21:28:57,690 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:28:57 BasicIcfg [2018-06-24 21:28:57,690 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 21:28:57,691 INFO ]: Toolchain (without parser) took 4105.15 ms. Allocated memory was 308.3 MB in the beginning and 347.6 MB in the end (delta: 39.3 MB). Free memory was 251.7 MB in the beginning and 276.7 MB in the end (delta: -25.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 3.6 GB. [2018-06-24 21:28:57,692 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:28:57,693 INFO ]: ChcToBoogie took 102.21 ms. Allocated memory is still 308.3 MB. Free memory was 251.7 MB in the beginning and 248.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:28:57,693 INFO ]: Boogie Preprocessor took 51.91 ms. Allocated memory is still 308.3 MB. Free memory was 248.7 MB in the beginning and 247.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-24 21:28:57,693 INFO ]: RCFGBuilder took 415.04 ms. Allocated memory is still 308.3 MB. Free memory was 247.7 MB in the beginning and 229.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 3.6 GB. [2018-06-24 21:28:57,694 INFO ]: BlockEncodingV2 took 427.80 ms. Allocated memory is still 308.3 MB. Free memory was 229.6 MB in the beginning and 208.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:28:57,694 INFO ]: TraceAbstraction took 3090.08 ms. Allocated memory was 308.3 MB in the beginning and 347.6 MB in the end (delta: 39.3 MB). Free memory was 208.6 MB in the beginning and 276.7 MB in the end (delta: -68.1 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:28:57,697 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 31 locations, 42 edges - StatisticsResult: Encoded RCFG 15 locations, 24 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 102.21 ms. Allocated memory is still 308.3 MB. Free memory was 251.7 MB in the beginning and 248.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 51.91 ms. Allocated memory is still 308.3 MB. Free memory was 248.7 MB in the beginning and 247.7 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 415.04 ms. Allocated memory is still 308.3 MB. Free memory was 247.7 MB in the beginning and 229.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 427.80 ms. Allocated memory is still 308.3 MB. Free memory was 229.6 MB in the beginning and 208.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 3090.08 ms. Allocated memory was 308.3 MB in the beginning and 347.6 MB in the end (delta: 39.3 MB). Free memory was 208.6 MB in the beginning and 276.7 MB in the end (delta: -68.1 MB). There was no memory consumed. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 6 OverallIterations, 5 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 104 SDtfs, 45 SDslu, 93 SDs, 0 SdLazy, 218 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 27 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 2175 SizeOfPredicates, 24 NumberOfNonLiveVariables, 2351 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 50/62 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/indirectHO03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_21-28-57-707.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/indirectHO03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_21-28-57-707.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/indirectHO03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_21-28-57-707.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/indirectHO03.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_21-28-57-707.csv Received shutdown request...