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/17.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:50:23,831 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:50:23,833 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:50:23,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:50:23,845 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:50:23,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:50:23,849 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:50:23,851 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:50:23,853 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:50:23,853 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:50:23,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:50:23,856 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:50:23,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:50:23,858 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:50:23,859 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:50:23,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:50:23,861 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:50:23,863 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:50:23,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:50:23,865 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:50:23,867 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:50:23,869 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:50:23,869 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:50:23,869 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:50:23,870 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:50:23,871 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:50:23,872 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:50:23,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:50:23,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:50:23,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:50:23,875 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:50:23,876 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:50:23,876 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:50:23,877 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:50:23,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:50:23,878 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 10:50:23,891 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:50:23,891 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:50:23,892 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:50:23,892 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:50:23,893 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:50:23,893 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:50:23,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:50:23,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:50:23,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:50:23,894 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:50:23,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:50:23,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:50:23,894 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:50:23,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:50:23,895 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:50:23,895 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:50:23,895 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:50:23,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:50:23,895 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:50:23,897 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:50:23,897 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:50:23,940 INFO ]: Repository-Root is: /tmp [2018-06-22 10:50:23,952 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:50:23,957 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:50:23,958 INFO ]: Initializing SmtParser... [2018-06-22 10:50:23,958 INFO ]: SmtParser initialized [2018-06-22 10:50:23,961 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/17.c.smt2 [2018-06-22 10:50:23,962 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 10:50:24,055 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/17.c.smt2 unknown [2018-06-22 10:50:24,410 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/17.c.smt2 [2018-06-22 10:50:24,418 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:50:24,427 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:50:24,428 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:50:24,428 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:50:24,428 INFO ]: ChcToBoogie initialized [2018-06-22 10:50:24,431 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:50:24" (1/1) ... [2018-06-22 10:50:24,488 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:50:24 Unit [2018-06-22 10:50:24,489 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:50:24,489 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:50:24,489 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:50:24,489 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:50:24,512 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:50:24" (1/1) ... [2018-06-22 10:50:24,512 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:50:24" (1/1) ... [2018-06-22 10:50:24,525 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:50:24" (1/1) ... [2018-06-22 10:50:24,525 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:50:24" (1/1) ... [2018-06-22 10:50:24,542 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:50:24" (1/1) ... [2018-06-22 10:50:24,543 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:50:24" (1/1) ... [2018-06-22 10:50:24,545 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:50:24" (1/1) ... [2018-06-22 10:50:24,548 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:50:24,548 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:50:24,548 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:50:24,548 INFO ]: RCFGBuilder initialized [2018-06-22 10:50:24,558 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:50:24" (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 10:50:24,571 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:50:24,572 INFO ]: Found specification of procedure False [2018-06-22 10:50:24,572 INFO ]: Found implementation of procedure False [2018-06-22 10:50:24,572 INFO ]: Specification and implementation of procedure h23 given in one single declaration [2018-06-22 10:50:24,572 INFO ]: Found specification of procedure h23 [2018-06-22 10:50:24,572 INFO ]: Found implementation of procedure h23 [2018-06-22 10:50:24,572 INFO ]: Specification and implementation of procedure h22 given in one single declaration [2018-06-22 10:50:24,572 INFO ]: Found specification of procedure h22 [2018-06-22 10:50:24,572 INFO ]: Found implementation of procedure h22 [2018-06-22 10:50:24,572 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:50:24,572 INFO ]: Found specification of procedure h11 [2018-06-22 10:50:24,572 INFO ]: Found implementation of procedure h11 [2018-06-22 10:50:24,572 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:50:24,572 INFO ]: Found specification of procedure h10 [2018-06-22 10:50:24,572 INFO ]: Found implementation of procedure h10 [2018-06-22 10:50:24,572 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:50:24,572 INFO ]: Found specification of procedure h9 [2018-06-22 10:50:24,572 INFO ]: Found implementation of procedure h9 [2018-06-22 10:50:24,572 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:50:24,572 INFO ]: Found specification of procedure h6 [2018-06-22 10:50:24,572 INFO ]: Found implementation of procedure h6 [2018-06-22 10:50:24,572 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:50:24,572 INFO ]: Found specification of procedure h5 [2018-06-22 10:50:24,572 INFO ]: Found implementation of procedure h5 [2018-06-22 10:50:24,572 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:50:24,572 INFO ]: Found specification of procedure h21 [2018-06-22 10:50:24,572 INFO ]: Found implementation of procedure h21 [2018-06-22 10:50:24,572 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:50:24,572 INFO ]: Found specification of procedure h20 [2018-06-22 10:50:24,573 INFO ]: Found implementation of procedure h20 [2018-06-22 10:50:24,573 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:50:24,573 INFO ]: Found specification of procedure h19 [2018-06-22 10:50:24,573 INFO ]: Found implementation of procedure h19 [2018-06-22 10:50:24,573 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:50:24,573 INFO ]: Found specification of procedure h18 [2018-06-22 10:50:24,573 INFO ]: Found implementation of procedure h18 [2018-06-22 10:50:24,573 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:50:24,573 INFO ]: Found specification of procedure h15 [2018-06-22 10:50:24,573 INFO ]: Found implementation of procedure h15 [2018-06-22 10:50:24,573 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:50:24,573 INFO ]: Found specification of procedure h14 [2018-06-22 10:50:24,573 INFO ]: Found implementation of procedure h14 [2018-06-22 10:50:24,573 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:50:24,573 INFO ]: Found specification of procedure h17 [2018-06-22 10:50:24,573 INFO ]: Found implementation of procedure h17 [2018-06-22 10:50:24,573 INFO ]: Specification and implementation of procedure h16 given in one single declaration [2018-06-22 10:50:24,573 INFO ]: Found specification of procedure h16 [2018-06-22 10:50:24,573 INFO ]: Found implementation of procedure h16 [2018-06-22 10:50:24,573 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:50:24,573 INFO ]: Found specification of procedure h13 [2018-06-22 10:50:24,573 INFO ]: Found implementation of procedure h13 [2018-06-22 10:50:24,573 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:50:24,573 INFO ]: Found specification of procedure h12 [2018-06-22 10:50:24,573 INFO ]: Found implementation of procedure h12 [2018-06-22 10:50:24,573 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:50:24,573 INFO ]: Found specification of procedure h8 [2018-06-22 10:50:24,573 INFO ]: Found implementation of procedure h8 [2018-06-22 10:50:24,573 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:50:24,573 INFO ]: Found specification of procedure h7 [2018-06-22 10:50:24,573 INFO ]: Found implementation of procedure h7 [2018-06-22 10:50:24,574 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:50:24,574 INFO ]: Found specification of procedure h4 [2018-06-22 10:50:24,574 INFO ]: Found implementation of procedure h4 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:50:24,574 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:50:24,580 INFO ]: Found specification of procedure h3 [2018-06-22 10:50:24,580 INFO ]: Found implementation of procedure h3 [2018-06-22 10:50:24,580 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:50:24,580 INFO ]: Found specification of procedure h2 [2018-06-22 10:50:24,580 INFO ]: Found implementation of procedure h2 [2018-06-22 10:50:24,580 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:50:24,580 INFO ]: Found specification of procedure h1 [2018-06-22 10:50:24,580 INFO ]: Found implementation of procedure h1 [2018-06-22 10:50:24,580 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:50:24,580 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:50:24,580 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:50:25,184 INFO ]: Using library mode [2018-06-22 10:50:25,185 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:50:25 BoogieIcfgContainer [2018-06-22 10:50:25,185 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:50:25,187 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:50:25,187 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:50:25,199 INFO ]: TraceAbstraction initialized [2018-06-22 10:50:25,200 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:50:24" (1/3) ... [2018-06-22 10:50:25,201 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f16685c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:50:25, skipping insertion in model container [2018-06-22 10:50:25,201 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:50:24" (2/3) ... [2018-06-22 10:50:25,201 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f16685c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:50:25, skipping insertion in model container [2018-06-22 10:50:25,201 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:50:25" (3/3) ... [2018-06-22 10:50:25,203 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:50:25,213 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:50:25,220 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:50:25,266 INFO ]: Using default assertion order modulation [2018-06-22 10:50:25,266 INFO ]: Interprodecural is true [2018-06-22 10:50:25,266 INFO ]: Hoare is false [2018-06-22 10:50:25,266 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:50:25,266 INFO ]: Backedges is TWOTRACK [2018-06-22 10:50:25,266 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:50:25,266 INFO ]: Difference is false [2018-06-22 10:50:25,266 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:50:25,266 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:50:25,282 INFO ]: Start isEmpty. Operand 102 states. [2018-06-22 10:50:25,298 INFO ]: Finished isEmpty. Found accepting run of length 50 [2018-06-22 10:50:25,298 INFO ]: Found error trace [2018-06-22 10:50:25,299 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] [2018-06-22 10:50:25,299 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:50:25,303 INFO ]: Analyzing trace with hash -554577505, now seen corresponding path program 1 times [2018-06-22 10:50:25,304 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:50:25,305 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:50:25,339 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:50:25,339 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:50:25,339 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:50:25,419 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:50:25,928 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:50:25,931 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:50:25,931 INFO ]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-06-22 10:50:25,933 INFO ]: Interpolant automaton has 13 states [2018-06-22 10:50:25,947 INFO ]: Constructing interpolant automaton starting with 13 interpolants. [2018-06-22 10:50:25,948 INFO ]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-06-22 10:50:25,950 INFO ]: Start difference. First operand 102 states. Second operand 13 states. [2018-06-22 10:50:26,498 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:50:26,498 INFO ]: Finished difference Result 112 states and 115 transitions. [2018-06-22 10:50:26,499 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-06-22 10:50:26,499 INFO ]: Start accepts. Automaton has 13 states. Word has length 49 [2018-06-22 10:50:26,500 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:50:26,514 INFO ]: With dead ends: 112 [2018-06-22 10:50:26,514 INFO ]: Without dead ends: 104 [2018-06-22 10:50:26,515 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-06-22 10:50:26,528 INFO ]: Start minimizeSevpa. Operand 104 states. [2018-06-22 10:50:26,565 INFO ]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-06-22 10:50:26,567 INFO ]: Start removeUnreachable. Operand 104 states. [2018-06-22 10:50:26,569 INFO ]: Finished removeUnreachable. Reduced from 104 states to 104 states and 107 transitions. [2018-06-22 10:50:26,571 INFO ]: Start accepts. Automaton has 104 states and 107 transitions. Word has length 49 [2018-06-22 10:50:26,572 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:50:26,572 INFO ]: Abstraction has 104 states and 107 transitions. [2018-06-22 10:50:26,572 INFO ]: Interpolant automaton has 13 states. [2018-06-22 10:50:26,572 INFO ]: Start isEmpty. Operand 104 states and 107 transitions. [2018-06-22 10:50:26,576 INFO ]: Finished isEmpty. Found accepting run of length 98 [2018-06-22 10:50:26,576 INFO ]: Found error trace [2018-06-22 10:50:26,576 INFO ]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:50:26,576 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:50:26,577 INFO ]: Analyzing trace with hash 1285045392, now seen corresponding path program 1 times [2018-06-22 10:50:26,577 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:50:26,577 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:50:26,578 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:50:26,578 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:50:26,578 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:50:26,622 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:50:27,572 INFO ]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:50:27,572 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:50:27,572 INFO ]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2018-06-22 10:50:27,574 INFO ]: Interpolant automaton has 28 states [2018-06-22 10:50:27,574 INFO ]: Constructing interpolant automaton starting with 28 interpolants. [2018-06-22 10:50:27,575 INFO ]: CoverageRelationStatistics Valid=57, Invalid=699, Unknown=0, NotChecked=0, Total=756 [2018-06-22 10:50:27,575 INFO ]: Start difference. First operand 104 states and 107 transitions. Second operand 28 states. [2018-06-22 10:50:28,409 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:50:28,409 INFO ]: Finished difference Result 136 states and 140 transitions. [2018-06-22 10:50:28,410 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-06-22 10:50:28,410 INFO ]: Start accepts. Automaton has 28 states. Word has length 97 [2018-06-22 10:50:28,411 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:50:28,413 INFO ]: With dead ends: 136 [2018-06-22 10:50:28,413 INFO ]: Without dead ends: 128 [2018-06-22 10:50:28,414 INFO ]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=805, Unknown=0, NotChecked=0, Total=870 [2018-06-22 10:50:28,415 INFO ]: Start minimizeSevpa. Operand 128 states. [2018-06-22 10:50:28,428 INFO ]: Finished minimizeSevpa. Reduced states from 128 to 124. [2018-06-22 10:50:28,428 INFO ]: Start removeUnreachable. Operand 124 states. [2018-06-22 10:50:28,430 INFO ]: Finished removeUnreachable. Reduced from 124 states to 124 states and 128 transitions. [2018-06-22 10:50:28,430 INFO ]: Start accepts. Automaton has 124 states and 128 transitions. Word has length 97 [2018-06-22 10:50:28,430 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:50:28,430 INFO ]: Abstraction has 124 states and 128 transitions. [2018-06-22 10:50:28,430 INFO ]: Interpolant automaton has 28 states. [2018-06-22 10:50:28,430 INFO ]: Start isEmpty. Operand 124 states and 128 transitions. [2018-06-22 10:50:28,434 INFO ]: Finished isEmpty. Found accepting run of length 114 [2018-06-22 10:50:28,434 INFO ]: Found error trace [2018-06-22 10:50:28,434 INFO ]: trace histogram [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, 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 10:50:28,435 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:50:28,435 INFO ]: Analyzing trace with hash -1478662568, now seen corresponding path program 1 times [2018-06-22 10:50:28,435 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:50:28,435 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:50:28,436 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:50:28,436 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:50:28,436 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:50:28,479 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:50:29,109 INFO ]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-06-22 10:50:29,109 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:50:29,109 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:50:29,125 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:50:29,211 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:50:29,228 INFO ]: Computing forward predicates... [2018-06-22 10:50:30,156 INFO ]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-06-22 10:50:30,187 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:50:30,187 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 32] total 48 [2018-06-22 10:50:30,188 INFO ]: Interpolant automaton has 48 states [2018-06-22 10:50:30,188 INFO ]: Constructing interpolant automaton starting with 48 interpolants. [2018-06-22 10:50:30,189 INFO ]: CoverageRelationStatistics Valid=98, Invalid=2158, Unknown=0, NotChecked=0, Total=2256 [2018-06-22 10:50:30,189 INFO ]: Start difference. First operand 124 states and 128 transitions. Second operand 48 states. [2018-06-22 10:50:31,988 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:50:31,988 INFO ]: Finished difference Result 212 states and 221 transitions. [2018-06-22 10:50:31,989 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-06-22 10:50:31,989 INFO ]: Start accepts. Automaton has 48 states. Word has length 113 [2018-06-22 10:50:31,989 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:50:31,992 INFO ]: With dead ends: 212 [2018-06-22 10:50:31,992 INFO ]: Without dead ends: 204 [2018-06-22 10:50:31,995 INFO ]: 0 DeclaredPredicates, 167 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=200, Invalid=4630, Unknown=0, NotChecked=0, Total=4830 [2018-06-22 10:50:31,995 INFO ]: Start minimizeSevpa. Operand 204 states. [2018-06-22 10:50:32,016 INFO ]: Finished minimizeSevpa. Reduced states from 204 to 196. [2018-06-22 10:50:32,016 INFO ]: Start removeUnreachable. Operand 196 states. [2018-06-22 10:50:32,019 INFO ]: Finished removeUnreachable. Reduced from 196 states to 196 states and 204 transitions. [2018-06-22 10:50:32,019 INFO ]: Start accepts. Automaton has 196 states and 204 transitions. Word has length 113 [2018-06-22 10:50:32,020 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:50:32,020 INFO ]: Abstraction has 196 states and 204 transitions. [2018-06-22 10:50:32,020 INFO ]: Interpolant automaton has 48 states. [2018-06-22 10:50:32,020 INFO ]: Start isEmpty. Operand 196 states and 204 transitions. [2018-06-22 10:50:32,024 INFO ]: Finished isEmpty. Found accepting run of length 162 [2018-06-22 10:50:32,024 INFO ]: Found error trace [2018-06-22 10:50:32,024 INFO ]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-06-22 10:50:32,024 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:50:32,025 INFO ]: Analyzing trace with hash -1787236791, now seen corresponding path program 2 times [2018-06-22 10:50:32,025 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:50:32,025 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:50:32,025 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:50:32,025 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:50:32,025 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:50:32,065 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:50:32,791 INFO ]: Checked inductivity of 76 backedges. 15 proven. 23 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-06-22 10:50:32,791 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:50:32,791 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:50:32,801 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 10:50:32,921 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 10:50:32,921 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:50:32,932 INFO ]: Computing forward predicates... [2018-06-22 10:50:34,006 INFO ]: Checked inductivity of 76 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-06-22 10:50:34,025 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:50:34,025 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 27] total 62 [2018-06-22 10:50:34,026 INFO ]: Interpolant automaton has 62 states [2018-06-22 10:50:34,026 INFO ]: Constructing interpolant automaton starting with 62 interpolants. [2018-06-22 10:50:34,027 INFO ]: CoverageRelationStatistics Valid=141, Invalid=3641, Unknown=0, NotChecked=0, Total=3782 [2018-06-22 10:50:34,027 INFO ]: Start difference. First operand 196 states and 204 transitions. Second operand 62 states. [2018-06-22 10:50:36,535 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:50:36,535 INFO ]: Finished difference Result 235 states and 253 transitions. [2018-06-22 10:50:36,536 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-06-22 10:50:36,536 INFO ]: Start accepts. Automaton has 62 states. Word has length 161 [2018-06-22 10:50:36,537 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:50:36,539 INFO ]: With dead ends: 235 [2018-06-22 10:50:36,539 INFO ]: Without dead ends: 188 [2018-06-22 10:50:36,541 INFO ]: 0 DeclaredPredicates, 239 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=330, Invalid=8412, Unknown=0, NotChecked=0, Total=8742 [2018-06-22 10:50:36,541 INFO ]: Start minimizeSevpa. Operand 188 states. [2018-06-22 10:50:36,560 INFO ]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-06-22 10:50:36,560 INFO ]: Start removeUnreachable. Operand 188 states. [2018-06-22 10:50:36,562 INFO ]: Finished removeUnreachable. Reduced from 188 states to 188 states and 192 transitions. [2018-06-22 10:50:36,563 INFO ]: Start accepts. Automaton has 188 states and 192 transitions. Word has length 161 [2018-06-22 10:50:36,563 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:50:36,563 INFO ]: Abstraction has 188 states and 192 transitions. [2018-06-22 10:50:36,563 INFO ]: Interpolant automaton has 62 states. [2018-06-22 10:50:36,563 INFO ]: Start isEmpty. Operand 188 states and 192 transitions. [2018-06-22 10:50:36,567 INFO ]: Finished isEmpty. Found accepting run of length 210 [2018-06-22 10:50:36,567 INFO ]: Found error trace [2018-06-22 10:50:36,567 INFO ]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:50:36,567 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:50:36,568 INFO ]: Analyzing trace with hash 1734362938, now seen corresponding path program 3 times [2018-06-22 10:50:36,568 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:50:36,568 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:50:36,568 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:50:36,568 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 10:50:36,568 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:50:36,605 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:50:36,802 INFO ]: Checked inductivity of 186 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-06-22 10:50:36,802 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:50:36,802 INFO ]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-06-22 10:50:36,803 INFO ]: Interpolant automaton has 15 states [2018-06-22 10:50:36,803 INFO ]: Constructing interpolant automaton starting with 15 interpolants. [2018-06-22 10:50:36,803 INFO ]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2018-06-22 10:50:36,803 INFO ]: Start difference. First operand 188 states and 192 transitions. Second operand 15 states. [2018-06-22 10:50:36,884 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:50:36,884 INFO ]: Finished difference Result 84 states and 85 transitions. [2018-06-22 10:50:36,885 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-06-22 10:50:36,885 INFO ]: Start accepts. Automaton has 15 states. Word has length 209 [2018-06-22 10:50:36,885 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:50:36,885 INFO ]: With dead ends: 84 [2018-06-22 10:50:36,885 INFO ]: Without dead ends: 0 [2018-06-22 10:50:36,886 INFO ]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 9 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2018-06-22 10:50:36,886 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:50:36,886 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:50:36,886 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:50:36,886 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:50:36,887 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 209 [2018-06-22 10:50:36,887 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:50:36,887 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:50:36,887 INFO ]: Interpolant automaton has 15 states. [2018-06-22 10:50:36,887 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:50:36,887 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:50:36,892 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:50:36 BoogieIcfgContainer [2018-06-22 10:50:36,892 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:50:36,893 INFO ]: Toolchain (without parser) took 12473.98 ms. Allocated memory was 308.3 MB in the beginning and 512.2 MB in the end (delta: 203.9 MB). Free memory was 254.6 MB in the beginning and 361.5 MB in the end (delta: -106.9 MB). Peak memory consumption was 97.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:50:36,894 INFO ]: SmtParser took 0.10 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. [2018-06-22 10:50:36,895 INFO ]: ChcToBoogie took 61.12 ms. Allocated memory is still 308.3 MB. Free memory was 253.6 MB in the beginning and 251.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:50:36,895 INFO ]: Boogie Preprocessor took 58.43 ms. Allocated memory is still 308.3 MB. Free memory was 251.6 MB in the beginning and 250.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 10:50:36,895 INFO ]: RCFGBuilder took 636.74 ms. Allocated memory is still 308.3 MB. Free memory was 250.6 MB in the beginning and 230.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:50:36,896 INFO ]: TraceAbstraction took 11705.32 ms. Allocated memory was 308.3 MB in the beginning and 512.2 MB in the end (delta: 203.9 MB). Free memory was 230.6 MB in the beginning and 361.5 MB in the end (delta: -130.9 MB). Peak memory consumption was 73.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:50:36,898 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.10 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 61.12 ms. Allocated memory is still 308.3 MB. Free memory was 253.6 MB in the beginning and 251.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 58.43 ms. Allocated memory is still 308.3 MB. Free memory was 251.6 MB in the beginning and 250.6 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 636.74 ms. Allocated memory is still 308.3 MB. Free memory was 250.6 MB in the beginning and 230.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 11705.32 ms. Allocated memory was 308.3 MB in the beginning and 512.2 MB in the end (delta: 203.9 MB). Free memory was 230.6 MB in the beginning and 361.5 MB in the end (delta: -130.9 MB). Peak memory consumption was 73.1 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 102 locations, 1 error locations. SAFE Result, 11.6s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 5.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 434 SDtfs, 48 SDslu, 12343 SDs, 0 SdLazy, 4397 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 475 GetRequests, 253 SyntacticMatches, 10 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1530 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=3, 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, 5 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 903 NumberOfCodeBlocks, 903 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 896 ConstructedInterpolants, 0 QuantifiedInterpolants, 273952 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1436 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 322/373 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/17.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-50-36-908.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/17.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-50-36-908.csv Received shutdown request...