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/29.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:52:54,589 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:52:54,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:52:54,605 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:52:54,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:52:54,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:52:54,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:52:54,612 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:52:54,614 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:52:54,614 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:52:54,616 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:52:54,616 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:52:54,617 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:52:54,618 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:52:54,621 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:52:54,622 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:52:54,624 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:52:54,637 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:52:54,638 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:52:54,639 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:52:54,640 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:52:54,642 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:52:54,642 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:52:54,643 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:52:54,643 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:52:54,649 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:52:54,649 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:52:54,650 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:52:54,651 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:52:54,651 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:52:54,652 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:52:54,652 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:52:54,657 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:52:54,658 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:52:54,658 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:52:54,659 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 10:52:54,679 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:52:54,680 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:52:54,680 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:52:54,681 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:52:54,681 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:52:54,682 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:52:54,682 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:52:54,682 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:52:54,682 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:52:54,682 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:52:54,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:52:54,683 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:52:54,683 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:52:54,683 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:52:54,683 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:52:54,684 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:52:54,685 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:52:54,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:52:54,685 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:52:54,686 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:52:54,687 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:52:54,736 INFO ]: Repository-Root is: /tmp [2018-06-22 10:52:54,749 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:52:54,754 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:52:54,755 INFO ]: Initializing SmtParser... [2018-06-22 10:52:54,755 INFO ]: SmtParser initialized [2018-06-22 10:52:54,756 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/HOLA/29.c.smt2 [2018-06-22 10:52:54,758 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 10:52:54,840 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/29.c.smt2 unknown [2018-06-22 10:52:55,457 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/HOLA/29.c.smt2 [2018-06-22 10:52:55,461 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:52:55,475 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:52:55,476 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:52:55,476 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:52:55,476 INFO ]: ChcToBoogie initialized [2018-06-22 10:52:55,480 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:52:55" (1/1) ... [2018-06-22 10:52:55,543 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:55 Unit [2018-06-22 10:52:55,543 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:52:55,543 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:52:55,543 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:52:55,543 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:52:55,568 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:55" (1/1) ... [2018-06-22 10:52:55,568 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:55" (1/1) ... [2018-06-22 10:52:55,582 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:55" (1/1) ... [2018-06-22 10:52:55,582 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:55" (1/1) ... [2018-06-22 10:52:55,593 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:55" (1/1) ... [2018-06-22 10:52:55,595 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:55" (1/1) ... [2018-06-22 10:52:55,598 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:55" (1/1) ... [2018-06-22 10:52:55,603 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:52:55,604 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:52:55,604 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:52:55,604 INFO ]: RCFGBuilder initialized [2018-06-22 10:52:55,606 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:55" (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 10:52:55,620 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:52:55,620 INFO ]: Found specification of procedure False [2018-06-22 10:52:55,620 INFO ]: Found implementation of procedure False [2018-06-22 10:52:55,620 INFO ]: Specification and implementation of procedure h34 given in one single declaration [2018-06-22 10:52:55,620 INFO ]: Found specification of procedure h34 [2018-06-22 10:52:55,620 INFO ]: Found implementation of procedure h34 [2018-06-22 10:52:55,620 INFO ]: Specification and implementation of procedure h33 given in one single declaration [2018-06-22 10:52:55,620 INFO ]: Found specification of procedure h33 [2018-06-22 10:52:55,620 INFO ]: Found implementation of procedure h33 [2018-06-22 10:52:55,620 INFO ]: Specification and implementation of procedure h14 given in one single declaration [2018-06-22 10:52:55,620 INFO ]: Found specification of procedure h14 [2018-06-22 10:52:55,620 INFO ]: Found implementation of procedure h14 [2018-06-22 10:52:55,620 INFO ]: Specification and implementation of procedure h13 given in one single declaration [2018-06-22 10:52:55,620 INFO ]: Found specification of procedure h13 [2018-06-22 10:52:55,620 INFO ]: Found implementation of procedure h13 [2018-06-22 10:52:55,620 INFO ]: Specification and implementation of procedure h12 given in one single declaration [2018-06-22 10:52:55,620 INFO ]: Found specification of procedure h12 [2018-06-22 10:52:55,620 INFO ]: Found implementation of procedure h12 [2018-06-22 10:52:55,620 INFO ]: Specification and implementation of procedure h8 given in one single declaration [2018-06-22 10:52:55,620 INFO ]: Found specification of procedure h8 [2018-06-22 10:52:55,620 INFO ]: Found implementation of procedure h8 [2018-06-22 10:52:55,620 INFO ]: Specification and implementation of procedure h7 given in one single declaration [2018-06-22 10:52:55,620 INFO ]: Found specification of procedure h7 [2018-06-22 10:52:55,620 INFO ]: Found implementation of procedure h7 [2018-06-22 10:52:55,620 INFO ]: Specification and implementation of procedure h6 given in one single declaration [2018-06-22 10:52:55,620 INFO ]: Found specification of procedure h6 [2018-06-22 10:52:55,620 INFO ]: Found implementation of procedure h6 [2018-06-22 10:52:55,620 INFO ]: Specification and implementation of procedure h5 given in one single declaration [2018-06-22 10:52:55,620 INFO ]: Found specification of procedure h5 [2018-06-22 10:52:55,620 INFO ]: Found implementation of procedure h5 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h4 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h4 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h4 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h3 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h3 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h3 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h2 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h2 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h2 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h1 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h1 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h1 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h32 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h32 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h32 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h31 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h31 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h31 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h30 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h30 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h30 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h26 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h26 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h26 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h25 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h25 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h25 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h24 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h24 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h24 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h23 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h23 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h23 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h22 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h22 [2018-06-22 10:52:55,621 INFO ]: Found implementation of procedure h22 [2018-06-22 10:52:55,621 INFO ]: Specification and implementation of procedure h21 given in one single declaration [2018-06-22 10:52:55,621 INFO ]: Found specification of procedure h21 [2018-06-22 10:52:55,622 INFO ]: Found implementation of procedure h21 [2018-06-22 10:52:55,622 INFO ]: Specification and implementation of procedure h17 given in one single declaration [2018-06-22 10:52:55,622 INFO ]: Found specification of procedure h17 [2018-06-22 10:52:55,622 INFO ]: Found implementation of procedure h17 [2018-06-22 10:52:55,622 INFO ]: Specification and implementation of procedure h16 given in one single declaration Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h16 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h16 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure h15 given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h15 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h15 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure h10 given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h10 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h10 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure h11 given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h11 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h11 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure h9 given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h9 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h9 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure h19 given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h19 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h19 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure h18 given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h18 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h18 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure h20 given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h20 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h20 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure h28 given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h28 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h28 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure h29 given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h29 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h29 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure h27 given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h27 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h27 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure h35 given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure h35 [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure h35 [2018-06-22 10:52:55,623 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:52:55,623 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:52:55,623 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:52:56,781 INFO ]: Using library mode [2018-06-22 10:52:56,781 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:52:56 BoogieIcfgContainer [2018-06-22 10:52:56,781 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:52:56,783 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:52:56,783 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:52:56,786 INFO ]: TraceAbstraction initialized [2018-06-22 10:52:56,786 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:52:55" (1/3) ... [2018-06-22 10:52:56,787 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412933ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:52:56, skipping insertion in model container [2018-06-22 10:52:56,787 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:52:55" (2/3) ... [2018-06-22 10:52:56,787 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412933ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:52:56, skipping insertion in model container [2018-06-22 10:52:56,787 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:52:56" (3/3) ... [2018-06-22 10:52:56,789 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:52:56,797 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:52:56,807 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:52:56,843 INFO ]: Using default assertion order modulation [2018-06-22 10:52:56,843 INFO ]: Interprodecural is true [2018-06-22 10:52:56,843 INFO ]: Hoare is false [2018-06-22 10:52:56,843 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:52:56,843 INFO ]: Backedges is TWOTRACK [2018-06-22 10:52:56,843 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:52:56,843 INFO ]: Difference is false [2018-06-22 10:52:56,844 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:52:56,844 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:52:56,874 INFO ]: Start isEmpty. Operand 155 states. [2018-06-22 10:52:56,903 INFO ]: Finished isEmpty. Found accepting run of length 58 [2018-06-22 10:52:56,903 INFO ]: Found error trace [2018-06-22 10:52:56,904 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] [2018-06-22 10:52:56,905 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:56,909 INFO ]: Analyzing trace with hash -1812318457, now seen corresponding path program 1 times [2018-06-22 10:52:56,910 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:56,910 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:56,941 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:56,941 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:56,941 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:57,091 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:57,517 WARN ]: Spent 177.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 9 [2018-06-22 10:52:58,392 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:52:58,394 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:58,394 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:52:58,397 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:52:58,412 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:52:58,413 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:52:58,417 INFO ]: Start difference. First operand 155 states. Second operand 14 states. [2018-06-22 10:52:59,070 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:59,070 INFO ]: Finished difference Result 169 states and 184 transitions. [2018-06-22 10:52:59,070 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 10:52:59,071 INFO ]: Start accepts. Automaton has 14 states. Word has length 57 [2018-06-22 10:52:59,072 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:59,082 INFO ]: With dead ends: 169 [2018-06-22 10:52:59,082 INFO ]: Without dead ends: 169 [2018-06-22 10:52:59,084 INFO ]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:52:59,097 INFO ]: Start minimizeSevpa. Operand 169 states. [2018-06-22 10:52:59,135 INFO ]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-06-22 10:52:59,137 INFO ]: Start removeUnreachable. Operand 169 states. [2018-06-22 10:52:59,140 INFO ]: Finished removeUnreachable. Reduced from 169 states to 169 states and 184 transitions. [2018-06-22 10:52:59,141 INFO ]: Start accepts. Automaton has 169 states and 184 transitions. Word has length 57 [2018-06-22 10:52:59,141 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:59,142 INFO ]: Abstraction has 169 states and 184 transitions. [2018-06-22 10:52:59,142 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:52:59,142 INFO ]: Start isEmpty. Operand 169 states and 184 transitions. [2018-06-22 10:52:59,145 INFO ]: Finished isEmpty. Found accepting run of length 58 [2018-06-22 10:52:59,145 INFO ]: Found error trace [2018-06-22 10:52:59,145 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] [2018-06-22 10:52:59,145 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:59,146 INFO ]: Analyzing trace with hash 2135382602, now seen corresponding path program 1 times [2018-06-22 10:52:59,146 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:59,146 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:59,146 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:59,146 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:59,146 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:59,166 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:52:59,606 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:52:59,606 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:52:59,606 INFO ]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-06-22 10:52:59,610 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:52:59,610 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:52:59,610 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:52:59,610 INFO ]: Start difference. First operand 169 states and 184 transitions. Second operand 14 states. [2018-06-22 10:52:59,873 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:52:59,873 INFO ]: Finished difference Result 169 states and 183 transitions. [2018-06-22 10:52:59,876 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-06-22 10:52:59,876 INFO ]: Start accepts. Automaton has 14 states. Word has length 57 [2018-06-22 10:52:59,877 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:52:59,879 INFO ]: With dead ends: 169 [2018-06-22 10:52:59,879 INFO ]: Without dead ends: 161 [2018-06-22 10:52:59,880 INFO ]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:52:59,880 INFO ]: Start minimizeSevpa. Operand 161 states. [2018-06-22 10:52:59,895 INFO ]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-06-22 10:52:59,895 INFO ]: Start removeUnreachable. Operand 161 states. [2018-06-22 10:52:59,898 INFO ]: Finished removeUnreachable. Reduced from 161 states to 161 states and 175 transitions. [2018-06-22 10:52:59,898 INFO ]: Start accepts. Automaton has 161 states and 175 transitions. Word has length 57 [2018-06-22 10:52:59,898 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:52:59,898 INFO ]: Abstraction has 161 states and 175 transitions. [2018-06-22 10:52:59,898 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:52:59,898 INFO ]: Start isEmpty. Operand 161 states and 175 transitions. [2018-06-22 10:52:59,903 INFO ]: Finished isEmpty. Found accepting run of length 130 [2018-06-22 10:52:59,903 INFO ]: Found error trace [2018-06-22 10:52:59,904 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:59,904 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:52:59,904 INFO ]: Analyzing trace with hash -168115095, now seen corresponding path program 1 times [2018-06-22 10:52:59,904 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:52:59,904 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:52:59,905 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:59,905 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:52:59,905 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:52:59,938 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:53:00,303 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:53:00,303 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:53:00,303 INFO ]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-06-22 10:53:00,304 INFO ]: Interpolant automaton has 21 states [2018-06-22 10:53:00,304 INFO ]: Constructing interpolant automaton starting with 21 interpolants. [2018-06-22 10:53:00,304 INFO ]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:00,304 INFO ]: Start difference. First operand 161 states and 175 transitions. Second operand 21 states. [2018-06-22 10:53:02,153 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:53:02,153 INFO ]: Finished difference Result 242 states and 284 transitions. [2018-06-22 10:53:02,153 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-22 10:53:02,153 INFO ]: Start accepts. Automaton has 21 states. Word has length 129 [2018-06-22 10:53:02,154 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:53:02,159 INFO ]: With dead ends: 242 [2018-06-22 10:53:02,159 INFO ]: Without dead ends: 242 [2018-06-22 10:53:02,159 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:02,160 INFO ]: Start minimizeSevpa. Operand 242 states. [2018-06-22 10:53:02,185 INFO ]: Finished minimizeSevpa. Reduced states from 242 to 240. [2018-06-22 10:53:02,185 INFO ]: Start removeUnreachable. Operand 240 states. [2018-06-22 10:53:02,189 INFO ]: Finished removeUnreachable. Reduced from 240 states to 240 states and 281 transitions. [2018-06-22 10:53:02,189 INFO ]: Start accepts. Automaton has 240 states and 281 transitions. Word has length 129 [2018-06-22 10:53:02,190 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:53:02,190 INFO ]: Abstraction has 240 states and 281 transitions. [2018-06-22 10:53:02,190 INFO ]: Interpolant automaton has 21 states. [2018-06-22 10:53:02,190 INFO ]: Start isEmpty. Operand 240 states and 281 transitions. [2018-06-22 10:53:02,199 INFO ]: Finished isEmpty. Found accepting run of length 130 [2018-06-22 10:53:02,199 INFO ]: Found error trace [2018-06-22 10:53:02,199 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:02,199 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:53:02,199 INFO ]: Analyzing trace with hash -626766716, now seen corresponding path program 1 times [2018-06-22 10:53:02,199 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:53:02,199 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:53:02,200 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:02,200 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:53:02,200 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:02,228 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:53:02,629 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:53:02,629 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:53:02,629 INFO ]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-06-22 10:53:02,630 INFO ]: Interpolant automaton has 21 states [2018-06-22 10:53:02,630 INFO ]: Constructing interpolant automaton starting with 21 interpolants. [2018-06-22 10:53:02,630 INFO ]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:02,630 INFO ]: Start difference. First operand 240 states and 281 transitions. Second operand 21 states. [2018-06-22 10:53:03,344 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:53:03,344 INFO ]: Finished difference Result 348 states and 432 transitions. [2018-06-22 10:53:03,344 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-22 10:53:03,344 INFO ]: Start accepts. Automaton has 21 states. Word has length 129 [2018-06-22 10:53:03,345 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:53:03,350 INFO ]: With dead ends: 348 [2018-06-22 10:53:03,350 INFO ]: Without dead ends: 339 [2018-06-22 10:53:03,350 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:03,351 INFO ]: Start minimizeSevpa. Operand 339 states. [2018-06-22 10:53:03,386 INFO ]: Finished minimizeSevpa. Reduced states from 339 to 321. [2018-06-22 10:53:03,387 INFO ]: Start removeUnreachable. Operand 321 states. [2018-06-22 10:53:03,391 INFO ]: Finished removeUnreachable. Reduced from 321 states to 321 states and 389 transitions. [2018-06-22 10:53:03,391 INFO ]: Start accepts. Automaton has 321 states and 389 transitions. Word has length 129 [2018-06-22 10:53:03,392 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:53:03,392 INFO ]: Abstraction has 321 states and 389 transitions. [2018-06-22 10:53:03,392 INFO ]: Interpolant automaton has 21 states. [2018-06-22 10:53:03,392 INFO ]: Start isEmpty. Operand 321 states and 389 transitions. [2018-06-22 10:53:03,396 INFO ]: Finished isEmpty. Found accepting run of length 130 [2018-06-22 10:53:03,396 INFO ]: Found error trace [2018-06-22 10:53:03,397 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:03,397 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:53:03,397 INFO ]: Analyzing trace with hash -213499194, now seen corresponding path program 1 times [2018-06-22 10:53:03,397 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:53:03,397 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:53:03,398 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:03,398 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:53:03,398 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:03,422 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:53:03,748 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:53:03,748 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:53:03,748 INFO ]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-06-22 10:53:03,749 INFO ]: Interpolant automaton has 21 states [2018-06-22 10:53:03,749 INFO ]: Constructing interpolant automaton starting with 21 interpolants. [2018-06-22 10:53:03,749 INFO ]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:03,749 INFO ]: Start difference. First operand 321 states and 389 transitions. Second operand 21 states. [2018-06-22 10:53:05,001 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:53:05,002 INFO ]: Finished difference Result 433 states and 488 transitions. [2018-06-22 10:53:05,007 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-22 10:53:05,007 INFO ]: Start accepts. Automaton has 21 states. Word has length 129 [2018-06-22 10:53:05,008 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:53:05,011 INFO ]: With dead ends: 433 [2018-06-22 10:53:05,012 INFO ]: Without dead ends: 419 [2018-06-22 10:53:05,012 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:05,012 INFO ]: Start minimizeSevpa. Operand 419 states. [2018-06-22 10:53:05,041 INFO ]: Finished minimizeSevpa. Reduced states from 419 to 339. [2018-06-22 10:53:05,041 INFO ]: Start removeUnreachable. Operand 339 states. [2018-06-22 10:53:05,044 INFO ]: Finished removeUnreachable. Reduced from 339 states to 339 states and 392 transitions. [2018-06-22 10:53:05,044 INFO ]: Start accepts. Automaton has 339 states and 392 transitions. Word has length 129 [2018-06-22 10:53:05,045 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:53:05,045 INFO ]: Abstraction has 339 states and 392 transitions. [2018-06-22 10:53:05,045 INFO ]: Interpolant automaton has 21 states. [2018-06-22 10:53:05,045 INFO ]: Start isEmpty. Operand 339 states and 392 transitions. [2018-06-22 10:53:05,049 INFO ]: Finished isEmpty. Found accepting run of length 130 [2018-06-22 10:53:05,049 INFO ]: Found error trace [2018-06-22 10:53:05,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:05,049 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:53:05,049 INFO ]: Analyzing trace with hash 1825399146, now seen corresponding path program 1 times [2018-06-22 10:53:05,049 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:53:05,049 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:53:05,050 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:05,050 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:53:05,050 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:05,073 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:53:05,794 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:53:05,794 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:53:05,794 INFO ]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-06-22 10:53:05,794 INFO ]: Interpolant automaton has 21 states [2018-06-22 10:53:05,794 INFO ]: Constructing interpolant automaton starting with 21 interpolants. [2018-06-22 10:53:05,794 INFO ]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:05,795 INFO ]: Start difference. First operand 339 states and 392 transitions. Second operand 21 states. [2018-06-22 10:53:06,470 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:53:06,470 INFO ]: Finished difference Result 424 states and 481 transitions. [2018-06-22 10:53:06,471 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-22 10:53:06,471 INFO ]: Start accepts. Automaton has 21 states. Word has length 129 [2018-06-22 10:53:06,471 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:53:06,474 INFO ]: With dead ends: 424 [2018-06-22 10:53:06,474 INFO ]: Without dead ends: 410 [2018-06-22 10:53:06,476 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:06,477 INFO ]: Start minimizeSevpa. Operand 410 states. [2018-06-22 10:53:06,500 INFO ]: Finished minimizeSevpa. Reduced states from 410 to 346. [2018-06-22 10:53:06,500 INFO ]: Start removeUnreachable. Operand 346 states. [2018-06-22 10:53:06,503 INFO ]: Finished removeUnreachable. Reduced from 346 states to 346 states and 400 transitions. [2018-06-22 10:53:06,503 INFO ]: Start accepts. Automaton has 346 states and 400 transitions. Word has length 129 [2018-06-22 10:53:06,503 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:53:06,503 INFO ]: Abstraction has 346 states and 400 transitions. [2018-06-22 10:53:06,503 INFO ]: Interpolant automaton has 21 states. [2018-06-22 10:53:06,504 INFO ]: Start isEmpty. Operand 346 states and 400 transitions. [2018-06-22 10:53:06,506 INFO ]: Finished isEmpty. Found accepting run of length 130 [2018-06-22 10:53:06,506 INFO ]: Found error trace [2018-06-22 10:53:06,506 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:06,506 INFO ]: === Iteration 7 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:53:06,506 INFO ]: Analyzing trace with hash -1429880857, now seen corresponding path program 1 times [2018-06-22 10:53:06,507 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:53:06,507 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:53:06,507 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:06,507 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:53:06,507 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:06,529 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:53:06,856 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:53:06,856 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:53:06,856 INFO ]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-06-22 10:53:06,856 INFO ]: Interpolant automaton has 21 states [2018-06-22 10:53:06,856 INFO ]: Constructing interpolant automaton starting with 21 interpolants. [2018-06-22 10:53:06,856 INFO ]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:06,856 INFO ]: Start difference. First operand 346 states and 400 transitions. Second operand 21 states. [2018-06-22 10:53:07,402 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:53:07,402 INFO ]: Finished difference Result 420 states and 479 transitions. [2018-06-22 10:53:07,404 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-22 10:53:07,404 INFO ]: Start accepts. Automaton has 21 states. Word has length 129 [2018-06-22 10:53:07,404 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:53:07,406 INFO ]: With dead ends: 420 [2018-06-22 10:53:07,406 INFO ]: Without dead ends: 406 [2018-06-22 10:53:07,407 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:07,407 INFO ]: Start minimizeSevpa. Operand 406 states. [2018-06-22 10:53:07,423 INFO ]: Finished minimizeSevpa. Reduced states from 406 to 360. [2018-06-22 10:53:07,423 INFO ]: Start removeUnreachable. Operand 360 states. [2018-06-22 10:53:07,426 INFO ]: Finished removeUnreachable. Reduced from 360 states to 360 states and 417 transitions. [2018-06-22 10:53:07,426 INFO ]: Start accepts. Automaton has 360 states and 417 transitions. Word has length 129 [2018-06-22 10:53:07,426 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:53:07,426 INFO ]: Abstraction has 360 states and 417 transitions. [2018-06-22 10:53:07,426 INFO ]: Interpolant automaton has 21 states. [2018-06-22 10:53:07,426 INFO ]: Start isEmpty. Operand 360 states and 417 transitions. [2018-06-22 10:53:07,428 INFO ]: Finished isEmpty. Found accepting run of length 130 [2018-06-22 10:53:07,428 INFO ]: Found error trace [2018-06-22 10:53:07,429 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:07,429 INFO ]: === Iteration 8 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:53:07,429 INFO ]: Analyzing trace with hash -1475264956, now seen corresponding path program 1 times [2018-06-22 10:53:07,429 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:53:07,429 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:53:07,430 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:07,430 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:53:07,430 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:07,450 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:53:07,728 INFO ]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:53:07,728 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:53:07,728 INFO ]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-06-22 10:53:07,729 INFO ]: Interpolant automaton has 21 states [2018-06-22 10:53:07,729 INFO ]: Constructing interpolant automaton starting with 21 interpolants. [2018-06-22 10:53:07,729 INFO ]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:07,729 INFO ]: Start difference. First operand 360 states and 417 transitions. Second operand 21 states. [2018-06-22 10:53:08,663 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:53:08,663 INFO ]: Finished difference Result 426 states and 488 transitions. [2018-06-22 10:53:08,664 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-06-22 10:53:08,664 INFO ]: Start accepts. Automaton has 21 states. Word has length 129 [2018-06-22 10:53:08,664 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:53:08,668 INFO ]: With dead ends: 426 [2018-06-22 10:53:08,668 INFO ]: Without dead ends: 412 [2018-06-22 10:53:08,668 INFO ]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:53:08,669 INFO ]: Start minimizeSevpa. Operand 412 states. [2018-06-22 10:53:08,687 INFO ]: Finished minimizeSevpa. Reduced states from 412 to 364. [2018-06-22 10:53:08,687 INFO ]: Start removeUnreachable. Operand 364 states. [2018-06-22 10:53:08,690 INFO ]: Finished removeUnreachable. Reduced from 364 states to 364 states and 424 transitions. [2018-06-22 10:53:08,690 INFO ]: Start accepts. Automaton has 364 states and 424 transitions. Word has length 129 [2018-06-22 10:53:08,690 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:53:08,690 INFO ]: Abstraction has 364 states and 424 transitions. [2018-06-22 10:53:08,690 INFO ]: Interpolant automaton has 21 states. [2018-06-22 10:53:08,690 INFO ]: Start isEmpty. Operand 364 states and 424 transitions. [2018-06-22 10:53:08,695 INFO ]: Finished isEmpty. Found accepting run of length 154 [2018-06-22 10:53:08,695 INFO ]: Found error trace [2018-06-22 10:53:08,695 INFO ]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:08,695 INFO ]: === Iteration 9 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:53:08,695 INFO ]: Analyzing trace with hash 217092239, now seen corresponding path program 1 times [2018-06-22 10:53:08,695 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:53:08,695 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:53:08,699 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:08,699 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:53:08,699 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:08,751 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:53:09,290 INFO ]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-06-22 10:53:09,290 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:53:09,290 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:53:09,290 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:53:09,291 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:53:09,291 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:53:09,291 INFO ]: Start difference. First operand 364 states and 424 transitions. Second operand 9 states. [2018-06-22 10:53:09,491 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:53:09,491 INFO ]: Finished difference Result 411 states and 479 transitions. [2018-06-22 10:53:09,491 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:53:09,491 INFO ]: Start accepts. Automaton has 9 states. Word has length 153 [2018-06-22 10:53:09,491 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:53:09,494 INFO ]: With dead ends: 411 [2018-06-22 10:53:09,494 INFO ]: Without dead ends: 395 [2018-06-22 10:53:09,494 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:53:09,494 INFO ]: Start minimizeSevpa. Operand 395 states. [2018-06-22 10:53:09,509 INFO ]: Finished minimizeSevpa. Reduced states from 395 to 393. [2018-06-22 10:53:09,510 INFO ]: Start removeUnreachable. Operand 393 states. [2018-06-22 10:53:09,512 INFO ]: Finished removeUnreachable. Reduced from 393 states to 393 states and 460 transitions. [2018-06-22 10:53:09,512 INFO ]: Start accepts. Automaton has 393 states and 460 transitions. Word has length 153 [2018-06-22 10:53:09,513 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:53:09,513 INFO ]: Abstraction has 393 states and 460 transitions. [2018-06-22 10:53:09,513 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:53:09,513 INFO ]: Start isEmpty. Operand 393 states and 460 transitions. [2018-06-22 10:53:09,515 INFO ]: Finished isEmpty. Found accepting run of length 154 [2018-06-22 10:53:09,515 INFO ]: Found error trace [2018-06-22 10:53:09,515 INFO ]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:09,516 INFO ]: === Iteration 10 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:53:09,516 INFO ]: Analyzing trace with hash -1835096910, now seen corresponding path program 1 times [2018-06-22 10:53:09,516 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:53:09,516 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:53:09,516 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:09,516 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:53:09,516 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:53:09,539 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:53:10,237 INFO ]: Checked inductivity of 30 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-06-22 10:53:10,238 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:53:10,238 INFO ]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-06-22 10:53:10,238 INFO ]: Interpolant automaton has 9 states [2018-06-22 10:53:10,238 INFO ]: Constructing interpolant automaton starting with 9 interpolants. [2018-06-22 10:53:10,238 INFO ]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:53:10,238 INFO ]: Start difference. First operand 393 states and 460 transitions. Second operand 9 states. [2018-06-22 10:53:10,981 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:53:10,981 INFO ]: Finished difference Result 410 states and 486 transitions. [2018-06-22 10:53:10,981 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 10:53:10,981 INFO ]: Start accepts. Automaton has 9 states. Word has length 153 [2018-06-22 10:53:10,981 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:53:10,982 INFO ]: With dead ends: 410 [2018-06-22 10:53:10,982 INFO ]: Without dead ends: 0 [2018-06-22 10:53:10,982 INFO ]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-06-22 10:53:10,982 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 10:53:10,982 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 10:53:10,982 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 10:53:10,982 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 10:53:10,982 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-06-22 10:53:10,982 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:53:10,982 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 10:53:10,982 INFO ]: Interpolant automaton has 9 states. [2018-06-22 10:53:10,982 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 10:53:10,982 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 10:53:10,986 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:53:10 BoogieIcfgContainer [2018-06-22 10:53:10,986 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:53:10,987 INFO ]: Toolchain (without parser) took 15525.21 ms. Allocated memory was 308.8 MB in the beginning and 478.7 MB in the end (delta: 169.9 MB). Free memory was 229.1 MB in the beginning and 378.2 MB in the end (delta: -149.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 3.6 GB. [2018-06-22 10:53:10,987 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:53:10,987 INFO ]: ChcToBoogie took 67.44 ms. Allocated memory is still 308.8 MB. Free memory was 229.1 MB in the beginning and 226.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:53:10,988 INFO ]: Boogie Preprocessor took 59.62 ms. Allocated memory is still 308.8 MB. Free memory was 226.1 MB in the beginning and 224.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:53:10,988 INFO ]: RCFGBuilder took 1177.75 ms. Allocated memory was 308.8 MB in the beginning and 324.0 MB in the end (delta: 15.2 MB). Free memory was 224.1 MB in the beginning and 284.1 MB in the end (delta: -59.9 MB). Peak memory consumption was 42.2 MB. Max. memory is 3.6 GB. [2018-06-22 10:53:10,989 INFO ]: TraceAbstraction took 14203.13 ms. Allocated memory was 324.0 MB in the beginning and 478.7 MB in the end (delta: 154.7 MB). Free memory was 284.1 MB in the beginning and 378.2 MB in the end (delta: -94.1 MB). Peak memory consumption was 60.5 MB. Max. memory is 3.6 GB. [2018-06-22 10:53:10,996 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 308.8 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 67.44 ms. Allocated memory is still 308.8 MB. Free memory was 229.1 MB in the beginning and 226.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 59.62 ms. Allocated memory is still 308.8 MB. Free memory was 226.1 MB in the beginning and 224.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1177.75 ms. Allocated memory was 308.8 MB in the beginning and 324.0 MB in the end (delta: 15.2 MB). Free memory was 224.1 MB in the beginning and 284.1 MB in the end (delta: -59.9 MB). Peak memory consumption was 42.2 MB. Max. memory is 3.6 GB. * TraceAbstraction took 14203.13 ms. Allocated memory was 324.0 MB in the beginning and 478.7 MB in the end (delta: 154.7 MB). Free memory was 284.1 MB in the beginning and 378.2 MB in the end (delta: -94.1 MB). Peak memory consumption was 60.5 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 37 procedures, 155 locations, 1 error locations. SAFE Result, 14.1s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 7.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1934 SDtfs, 154 SDslu, 29875 SDs, 0 SdLazy, 5545 SolverSat, 120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 174 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=393occurred in iteration=9, 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 260 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1194 NumberOfCodeBlocks, 1194 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1184 ConstructedInterpolants, 0 QuantifiedInterpolants, 266384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 150/150 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/29.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-53-11-011.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/29.c.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-53-11-011.csv Received shutdown request...