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/eldarica-misc/LIA/HOLA/43.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:56:31,881 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:56:31,883 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:56:31,895 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:56:31,895 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:56:31,896 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:56:31,897 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:56:31,899 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:56:31,900 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:56:31,901 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:56:31,902 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:56:31,902 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:56:31,903 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:56:31,904 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:56:31,905 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:56:31,906 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:56:31,907 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:56:31,909 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:56:31,911 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:56:31,912 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:56:31,913 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:56:31,915 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:56:31,915 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:56:31,916 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:56:31,916 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:56:31,917 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:56:31,918 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:56:31,919 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:56:31,920 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:56:31,920 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:56:31,921 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:56:31,921 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:56:31,922 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:56:31,922 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:56:31,923 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:56:31,923 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 10:56:31,936 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:56:31,937 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:56:31,937 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:56:31,937 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:56:31,938 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:56:31,938 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:56:31,939 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:56:31,939 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:56:31,939 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:56:31,939 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:56:31,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:56:31,940 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:56:31,940 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:56:31,940 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:56:31,941 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:56:31,941 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:56:31,941 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:56:31,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:56:31,941 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:56:31,943 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:56:31,943 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:56:31,992 INFO ]: Repository-Root is: /tmp [2018-06-22 10:56:32,008 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:56:32,014 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:56:32,015 INFO ]: Initializing SmtParser... [2018-06-22 10:56:32,015 INFO ]: SmtParser initialized [2018-06-22 10:56:32,016 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/43.c.smt2 [2018-06-22 10:56:32,017 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 10:56:32,105 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/43.c.smt2 unknown [2018-06-22 10:56:32,561 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/43.c.smt2 [2018-06-22 10:56:32,566 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:56:32,583 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:56:32,583 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:56:32,583 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:56:32,583 INFO ]: ChcToBoogie initialized [2018-06-22 10:56:32,586 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:56:32" (1/1) ... [2018-06-22 10:56:32,649 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:56:32 Unit [2018-06-22 10:56:32,649 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:56:32,650 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:56:32,650 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:56:32,650 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:56:32,670 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:56:32" (1/1) ... [2018-06-22 10:56:32,670 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:56:32" (1/1) ... [2018-06-22 10:56:32,683 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:56:32" (1/1) ... [2018-06-22 10:56:32,684 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:56:32" (1/1) ... [2018-06-22 10:56:32,689 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:56:32" (1/1) ... [2018-06-22 10:56:32,699 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:56:32" (1/1) ... [2018-06-22 10:56:32,701 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:56:32" (1/1) ... [2018-06-22 10:56:32,711 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:56:32,711 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:56:32,711 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:56:32,711 INFO ]: RCFGBuilder initialized [2018-06-22 10:56:32,712 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:56:32" (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 10:56:32,731 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:56:32,731 INFO ]: Found specification of procedure False [2018-06-22 10:56:32,731 INFO ]: Found implementation of procedure False [2018-06-22 10:56:32,731 INFO ]: Specification and implementation of procedure h26 given in one single declaration [2018-06-22 10:56:32,731 INFO ]: Found specification of procedure h26 [2018-06-22 10:56:32,731 INFO ]: Found implementation of procedure h26 [2018-06-22 10:56:32,731 INFO ]: Specification and implementation of procedure h25 given in one single declaration [2018-06-22 10:56:32,731 INFO ]: Found specification of procedure h25 [2018-06-22 10:56:32,731 INFO ]: Found implementation of procedure h25 [2018-06-22 10:56:32,731 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:56:32,731 INFO ]: Found specification of procedure h21 [2018-06-22 10:56:32,731 INFO ]: Found implementation of procedure h21 [2018-06-22 10:56:32,731 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:56:32,731 INFO ]: Found specification of procedure h20 [2018-06-22 10:56:32,731 INFO ]: Found implementation of procedure h20 [2018-06-22 10:56:32,731 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:56:32,731 INFO ]: Found specification of procedure h19 [2018-06-22 10:56:32,731 INFO ]: Found implementation of procedure h19 [2018-06-22 10:56:32,731 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:56:32,732 INFO ]: Found specification of procedure h15 [2018-06-22 10:56:32,732 INFO ]: Found implementation of procedure h15 [2018-06-22 10:56:32,732 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:56:32,732 INFO ]: Found specification of procedure h14 [2018-06-22 10:56:32,732 INFO ]: Found implementation of procedure h14 [2018-06-22 10:56:32,732 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:56:32,732 INFO ]: Found specification of procedure h13 [2018-06-22 10:56:32,732 INFO ]: Found implementation of procedure h13 [2018-06-22 10:56:32,732 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:56:32,732 INFO ]: Found specification of procedure h12 [2018-06-22 10:56:32,732 INFO ]: Found implementation of procedure h12 [2018-06-22 10:56:32,732 INFO ]: Specification and implementation of procedure h23 given in one single declaration [2018-06-22 10:56:32,732 INFO ]: Found specification of procedure h23 [2018-06-22 10:56:32,732 INFO ]: Found implementation of procedure h23 [2018-06-22 10:56:32,732 INFO ]: Specification and implementation of procedure h22 given in one single declaration [2018-06-22 10:56:32,732 INFO ]: Found specification of procedure h22 [2018-06-22 10:56:32,732 INFO ]: Found implementation of procedure h22 [2018-06-22 10:56:32,732 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:56:32,732 INFO ]: Found specification of procedure h17 [2018-06-22 10:56:32,732 INFO ]: Found implementation of procedure h17 [2018-06-22 10:56:32,732 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:56:32,732 INFO ]: Found specification of procedure h18 [2018-06-22 10:56:32,732 INFO ]: Found implementation of procedure h18 [2018-06-22 10:56:32,732 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:56:32,732 INFO ]: Found specification of procedure h16 [2018-06-22 10:56:32,732 INFO ]: Found implementation of procedure h16 [2018-06-22 10:56:32,732 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:56:32,732 INFO ]: Found specification of procedure h11 [2018-06-22 10:56:32,732 INFO ]: Found implementation of procedure h11 [2018-06-22 10:56:32,733 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:56:32,733 INFO ]: Found specification of procedure h7 [2018-06-22 10:56:32,733 INFO ]: Found implementation of procedure h7 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:56:32,737 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:56:32,737 INFO ]: Found specification of procedure h8 [2018-06-22 10:56:32,737 INFO ]: Found implementation of procedure h8 [2018-06-22 10:56:32,737 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:56:32,737 INFO ]: Found specification of procedure h3 [2018-06-22 10:56:32,737 INFO ]: Found implementation of procedure h3 [2018-06-22 10:56:32,737 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:56:32,737 INFO ]: Found specification of procedure h2 [2018-06-22 10:56:32,737 INFO ]: Found implementation of procedure h2 [2018-06-22 10:56:32,737 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:56:32,737 INFO ]: Found specification of procedure h1 [2018-06-22 10:56:32,737 INFO ]: Found implementation of procedure h1 [2018-06-22 10:56:32,737 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:56:32,737 INFO ]: Found specification of procedure h6 [2018-06-22 10:56:32,737 INFO ]: Found implementation of procedure h6 [2018-06-22 10:56:32,737 INFO ]: Specification and implementation of procedure h24 given in one single declaration [2018-06-22 10:56:32,737 INFO ]: Found specification of procedure h24 [2018-06-22 10:56:32,737 INFO ]: Found implementation of procedure h24 [2018-06-22 10:56:32,737 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:56:32,737 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:56:32,737 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:56:33,252 INFO ]: Using library mode [2018-06-22 10:56:33,256 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:56:33 BoogieIcfgContainer [2018-06-22 10:56:33,256 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:56:33,258 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:56:33,258 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:56:33,261 INFO ]: TraceAbstraction initialized [2018-06-22 10:56:33,261 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:56:32" (1/3) ... [2018-06-22 10:56:33,262 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a515f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:56:33, skipping insertion in model container [2018-06-22 10:56:33,262 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:56:32" (2/3) ... [2018-06-22 10:56:33,262 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a515f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:56:33, skipping insertion in model container [2018-06-22 10:56:33,262 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:56:33" (3/3) ... [2018-06-22 10:56:33,264 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:56:33,272 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:56:33,282 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:56:33,336 INFO ]: Using default assertion order modulation [2018-06-22 10:56:33,337 INFO ]: Interprodecural is true [2018-06-22 10:56:33,337 INFO ]: Hoare is false [2018-06-22 10:56:33,337 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:56:33,337 INFO ]: Backedges is TWOTRACK [2018-06-22 10:56:33,337 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:56:33,337 INFO ]: Difference is false [2018-06-22 10:56:33,337 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:56:33,337 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:56:33,367 INFO ]: Start isEmpty. Operand 100 states. [2018-06-22 10:56:33,391 INFO ]: Finished isEmpty. Found accepting run of length 66 [2018-06-22 10:56:33,391 INFO ]: Found error trace [2018-06-22 10:56:33,394 INFO ]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:56:33,394 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:56:33,399 INFO ]: Analyzing trace with hash -1261254513, now seen corresponding path program 1 times [2018-06-22 10:56:33,406 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:56:33,406 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:56:33,453 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:33,453 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:56:33,453 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:33,556 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:56:33,835 WARN ]: Spent 136.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-06-22 10:56:34,218 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:56:34,220 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:56:34,220 INFO ]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-06-22 10:56:34,222 INFO ]: Interpolant automaton has 16 states [2018-06-22 10:56:34,238 INFO ]: Constructing interpolant automaton starting with 16 interpolants. [2018-06-22 10:56:34,239 INFO ]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:56:34,241 INFO ]: Start difference. First operand 100 states. Second operand 16 states. [2018-06-22 10:56:34,976 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:56:34,976 INFO ]: Finished difference Result 118 states and 126 transitions. [2018-06-22 10:56:34,977 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-06-22 10:56:34,978 INFO ]: Start accepts. Automaton has 16 states. Word has length 65 [2018-06-22 10:56:34,979 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:56:34,990 INFO ]: With dead ends: 118 [2018-06-22 10:56:34,990 INFO ]: Without dead ends: 110 [2018-06-22 10:56:34,992 INFO ]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:56:35,007 INFO ]: Start minimizeSevpa. Operand 110 states. [2018-06-22 10:56:35,040 INFO ]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-06-22 10:56:35,041 INFO ]: Start removeUnreachable. Operand 110 states. [2018-06-22 10:56:35,073 INFO ]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2018-06-22 10:56:35,074 INFO ]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 65 [2018-06-22 10:56:35,074 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:56:35,074 INFO ]: Abstraction has 110 states and 118 transitions. [2018-06-22 10:56:35,075 INFO ]: Interpolant automaton has 16 states. [2018-06-22 10:56:35,075 INFO ]: Start isEmpty. Operand 110 states and 118 transitions. [2018-06-22 10:56:35,080 INFO ]: Finished isEmpty. Found accepting run of length 66 [2018-06-22 10:56:35,080 INFO ]: Found error trace [2018-06-22 10:56:35,081 INFO ]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:56:35,081 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:56:35,081 INFO ]: Analyzing trace with hash -1660993198, now seen corresponding path program 1 times [2018-06-22 10:56:35,081 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:56:35,081 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:56:35,082 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:35,082 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:56:35,082 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:35,128 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:56:35,551 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:56:35,551 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:56:35,551 INFO ]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-06-22 10:56:35,553 INFO ]: Interpolant automaton has 16 states [2018-06-22 10:56:35,553 INFO ]: Constructing interpolant automaton starting with 16 interpolants. [2018-06-22 10:56:35,553 INFO ]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:56:35,554 INFO ]: Start difference. First operand 110 states and 118 transitions. Second operand 16 states. [2018-06-22 10:56:36,018 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:56:36,018 INFO ]: Finished difference Result 126 states and 135 transitions. [2018-06-22 10:56:36,019 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-06-22 10:56:36,019 INFO ]: Start accepts. Automaton has 16 states. Word has length 65 [2018-06-22 10:56:36,019 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:56:36,021 INFO ]: With dead ends: 126 [2018-06-22 10:56:36,021 INFO ]: Without dead ends: 118 [2018-06-22 10:56:36,022 INFO ]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-06-22 10:56:36,022 INFO ]: Start minimizeSevpa. Operand 118 states. [2018-06-22 10:56:36,035 INFO ]: Finished minimizeSevpa. Reduced states from 118 to 106. [2018-06-22 10:56:36,035 INFO ]: Start removeUnreachable. Operand 106 states. [2018-06-22 10:56:36,037 INFO ]: Finished removeUnreachable. Reduced from 106 states to 106 states and 114 transitions. [2018-06-22 10:56:36,037 INFO ]: Start accepts. Automaton has 106 states and 114 transitions. Word has length 65 [2018-06-22 10:56:36,038 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:56:36,038 INFO ]: Abstraction has 106 states and 114 transitions. [2018-06-22 10:56:36,038 INFO ]: Interpolant automaton has 16 states. [2018-06-22 10:56:36,038 INFO ]: Start isEmpty. Operand 106 states and 114 transitions. [2018-06-22 10:56:36,040 INFO ]: Finished isEmpty. Found accepting run of length 94 [2018-06-22 10:56:36,041 INFO ]: Found error trace [2018-06-22 10:56:36,041 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:56:36,041 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:56:36,041 INFO ]: Analyzing trace with hash -165279077, now seen corresponding path program 1 times [2018-06-22 10:56:36,041 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:56:36,041 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:56:36,042 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:36,042 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:56:36,042 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:36,075 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:56:36,396 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:56:36,396 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:56:36,396 INFO ]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-06-22 10:56:36,396 INFO ]: Interpolant automaton has 10 states [2018-06-22 10:56:36,396 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 10:56:36,396 INFO ]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-22 10:56:36,397 INFO ]: Start difference. First operand 106 states and 114 transitions. Second operand 10 states. [2018-06-22 10:56:36,632 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:56:36,632 INFO ]: Finished difference Result 142 states and 162 transitions. [2018-06-22 10:56:36,633 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-22 10:56:36,633 INFO ]: Start accepts. Automaton has 10 states. Word has length 93 [2018-06-22 10:56:36,633 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:56:36,636 INFO ]: With dead ends: 142 [2018-06-22 10:56:36,636 INFO ]: Without dead ends: 142 [2018-06-22 10:56:36,637 INFO ]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-22 10:56:36,637 INFO ]: Start minimizeSevpa. Operand 142 states. [2018-06-22 10:56:36,655 INFO ]: Finished minimizeSevpa. Reduced states from 142 to 140. [2018-06-22 10:56:36,655 INFO ]: Start removeUnreachable. Operand 140 states. [2018-06-22 10:56:36,657 INFO ]: Finished removeUnreachable. Reduced from 140 states to 140 states and 159 transitions. [2018-06-22 10:56:36,658 INFO ]: Start accepts. Automaton has 140 states and 159 transitions. Word has length 93 [2018-06-22 10:56:36,658 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:56:36,658 INFO ]: Abstraction has 140 states and 159 transitions. [2018-06-22 10:56:36,658 INFO ]: Interpolant automaton has 10 states. [2018-06-22 10:56:36,658 INFO ]: Start isEmpty. Operand 140 states and 159 transitions. [2018-06-22 10:56:36,661 INFO ]: Finished isEmpty. Found accepting run of length 94 [2018-06-22 10:56:36,661 INFO ]: Found error trace [2018-06-22 10:56:36,661 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:56:36,661 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:56:36,662 INFO ]: Analyzing trace with hash -1357721509, now seen corresponding path program 1 times [2018-06-22 10:56:36,662 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:56:36,662 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:56:36,662 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:36,662 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:56:36,663 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:36,680 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:56:36,805 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:56:36,805 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:56:36,805 INFO ]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-06-22 10:56:36,806 INFO ]: Interpolant automaton has 10 states [2018-06-22 10:56:36,806 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 10:56:36,806 INFO ]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-22 10:56:36,806 INFO ]: Start difference. First operand 140 states and 159 transitions. Second operand 10 states. [2018-06-22 10:56:37,057 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:56:37,057 INFO ]: Finished difference Result 184 states and 218 transitions. [2018-06-22 10:56:37,058 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-22 10:56:37,058 INFO ]: Start accepts. Automaton has 10 states. Word has length 93 [2018-06-22 10:56:37,058 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:56:37,061 INFO ]: With dead ends: 184 [2018-06-22 10:56:37,061 INFO ]: Without dead ends: 172 [2018-06-22 10:56:37,062 INFO ]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-06-22 10:56:37,062 INFO ]: Start minimizeSevpa. Operand 172 states. [2018-06-22 10:56:37,079 INFO ]: Finished minimizeSevpa. Reduced states from 172 to 154. [2018-06-22 10:56:37,079 INFO ]: Start removeUnreachable. Operand 154 states. [2018-06-22 10:56:37,081 INFO ]: Finished removeUnreachable. Reduced from 154 states to 154 states and 175 transitions. [2018-06-22 10:56:37,081 INFO ]: Start accepts. Automaton has 154 states and 175 transitions. Word has length 93 [2018-06-22 10:56:37,081 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:56:37,081 INFO ]: Abstraction has 154 states and 175 transitions. [2018-06-22 10:56:37,081 INFO ]: Interpolant automaton has 10 states. [2018-06-22 10:56:37,081 INFO ]: Start isEmpty. Operand 154 states and 175 transitions. [2018-06-22 10:56:37,083 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:56:37,083 INFO ]: Found error trace [2018-06-22 10:56:37,084 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:56:37,084 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:56:37,084 INFO ]: Analyzing trace with hash -935116063, now seen corresponding path program 1 times [2018-06-22 10:56:37,084 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:56:37,084 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:56:37,085 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:37,085 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:56:37,085 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:37,099 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:56:37,216 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:56:37,216 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:56:37,216 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:56:37,217 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:56:37,217 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:56:37,217 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:56:37,217 INFO ]: Start difference. First operand 154 states and 175 transitions. Second operand 11 states. [2018-06-22 10:56:37,471 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:56:37,471 INFO ]: Finished difference Result 194 states and 215 transitions. [2018-06-22 10:56:37,472 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:56:37,472 INFO ]: Start accepts. Automaton has 11 states. Word has length 97 [2018-06-22 10:56:37,472 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:56:37,474 INFO ]: With dead ends: 194 [2018-06-22 10:56:37,474 INFO ]: Without dead ends: 186 [2018-06-22 10:56:37,475 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:56:37,475 INFO ]: Start minimizeSevpa. Operand 186 states. [2018-06-22 10:56:37,494 INFO ]: Finished minimizeSevpa. Reduced states from 186 to 160. [2018-06-22 10:56:37,494 INFO ]: Start removeUnreachable. Operand 160 states. [2018-06-22 10:56:37,496 INFO ]: Finished removeUnreachable. Reduced from 160 states to 160 states and 180 transitions. [2018-06-22 10:56:37,496 INFO ]: Start accepts. Automaton has 160 states and 180 transitions. Word has length 97 [2018-06-22 10:56:37,497 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:56:37,497 INFO ]: Abstraction has 160 states and 180 transitions. [2018-06-22 10:56:37,497 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:56:37,497 INFO ]: Start isEmpty. Operand 160 states and 180 transitions. [2018-06-22 10:56:37,499 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:56:37,499 INFO ]: Found error trace [2018-06-22 10:56:37,499 INFO ]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:56:37,499 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:56:37,499 INFO ]: Analyzing trace with hash -1190035484, now seen corresponding path program 1 times [2018-06-22 10:56:37,499 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:56:37,499 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:56:37,500 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:37,500 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:56:37,500 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:56:37,529 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:56:37,723 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:56:37,723 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:56:37,723 INFO ]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-06-22 10:56:37,723 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:56:37,723 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:56:37,723 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:56:37,724 INFO ]: Start difference. First operand 160 states and 180 transitions. Second operand 11 states. [2018-06-22 10:56:37,844 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:56:37,844 INFO ]: Finished difference Result 168 states and 194 transitions. [2018-06-22 10:56:37,844 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:56:37,844 INFO ]: Start accepts. Automaton has 11 states. Word has length 97 [2018-06-22 10:56:37,845 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:56:37,845 INFO ]: With dead ends: 168 [2018-06-22 10:56:37,845 INFO ]: Without dead ends: 0 [2018-06-22 10:56:37,845 INFO ]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:56:37,845 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:56:37,845 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:56:37,845 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:56:37,845 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:56:37,845 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2018-06-22 10:56:37,845 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:56:37,845 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:56:37,845 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:56:37,845 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:56:37,845 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:56:37,850 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:56:37 BoogieIcfgContainer [2018-06-22 10:56:37,850 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:56:37,851 INFO ]: Toolchain (without parser) took 5284.47 ms. Allocated memory was 305.1 MB in the beginning and 383.3 MB in the end (delta: 78.1 MB). Free memory was 246.5 MB in the beginning and 307.1 MB in the end (delta: -60.6 MB). Peak memory consumption was 17.5 MB. Max. memory is 3.6 GB. [2018-06-22 10:56:37,852 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:56:37,852 INFO ]: ChcToBoogie took 66.26 ms. Allocated memory is still 305.1 MB. Free memory was 246.5 MB in the beginning and 244.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:56:37,853 INFO ]: Boogie Preprocessor took 60.85 ms. Allocated memory is still 305.1 MB. Free memory was 244.5 MB in the beginning and 242.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:56:37,853 INFO ]: RCFGBuilder took 544.72 ms. Allocated memory is still 305.1 MB. Free memory was 242.5 MB in the beginning and 221.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:56:37,854 INFO ]: TraceAbstraction took 4592.81 ms. Allocated memory was 305.1 MB in the beginning and 383.3 MB in the end (delta: 78.1 MB). Free memory was 221.5 MB in the beginning and 307.1 MB in the end (delta: -85.6 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:56:37,856 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 66.26 ms. Allocated memory is still 305.1 MB. Free memory was 246.5 MB in the beginning and 244.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 60.85 ms. Allocated memory is still 305.1 MB. Free memory was 244.5 MB in the beginning and 242.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 544.72 ms. Allocated memory is still 305.1 MB. Free memory was 242.5 MB in the beginning and 221.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 4592.81 ms. Allocated memory was 305.1 MB in the beginning and 383.3 MB in the end (delta: 78.1 MB). Free memory was 221.5 MB in the beginning and 307.1 MB in the end (delta: -85.6 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 24 procedures, 100 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 702 SDtfs, 43 SDslu, 6910 SDs, 0 SdLazy, 1150 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 58 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 504 ConstructedInterpolants, 0 QuantifiedInterpolants, 69672 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 60/60 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/43.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-56-37-866.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/43.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-56-37-866.csv Received shutdown request...