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/Consistency/slow-hull.55.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:46:52,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:46:52,988 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:46:52,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:46:52,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:46:53,001 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:46:53,002 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:46:53,003 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:46:53,004 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:46:53,005 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:46:53,005 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:46:53,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:46:53,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:46:53,007 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:46:53,008 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:46:53,008 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:46:53,010 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:46:53,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:46:53,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:46:53,014 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:46:53,015 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:46:53,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:46:53,018 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:46:53,018 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:46:53,019 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:46:53,020 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:46:53,021 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:46:53,021 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:46:53,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:46:53,023 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:46:53,023 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:46:53,024 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:46:53,024 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:46:53,025 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:46:53,026 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:46:53,026 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 10:46:53,039 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:46:53,039 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:46:53,040 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:46:53,040 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:46:53,041 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:46:53,041 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:46:53,042 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:46:53,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:46:53,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:46:53,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:46:53,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:46:53,047 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:46:53,047 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:46:53,047 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:46:53,048 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:46:53,048 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:46:53,048 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:46:53,048 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:46:53,048 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:46:53,050 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:46:53,050 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:46:53,098 INFO ]: Repository-Root is: /tmp [2018-06-22 10:46:53,112 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:46:53,116 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:46:53,117 INFO ]: Initializing SmtParser... [2018-06-22 10:46:53,117 INFO ]: SmtParser initialized [2018-06-22 10:46:53,118 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/slow-hull.55.smt2 [2018-06-22 10:46:53,119 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 10:46:53,212 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/slow-hull.55.smt2 unknown [2018-06-22 10:46:53,554 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/slow-hull.55.smt2 [2018-06-22 10:46:53,560 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:46:53,566 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:46:53,567 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:46:53,567 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:46:53,567 INFO ]: ChcToBoogie initialized [2018-06-22 10:46:53,570 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:46:53" (1/1) ... [2018-06-22 10:46:53,664 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:53 Unit [2018-06-22 10:46:53,664 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:46:53,665 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:46:53,665 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:46:53,665 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:46:53,688 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:53" (1/1) ... [2018-06-22 10:46:53,688 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:53" (1/1) ... [2018-06-22 10:46:53,702 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:53" (1/1) ... [2018-06-22 10:46:53,702 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:53" (1/1) ... [2018-06-22 10:46:53,712 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:53" (1/1) ... [2018-06-22 10:46:53,716 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:53" (1/1) ... [2018-06-22 10:46:53,719 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:53" (1/1) ... [2018-06-22 10:46:53,722 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:46:53,723 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:46:53,723 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:46:53,723 INFO ]: RCFGBuilder initialized [2018-06-22 10:46:53,724 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:53" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-22 10:46:53,737 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:46:53,737 INFO ]: Found specification of procedure False [2018-06-22 10:46:53,737 INFO ]: Found implementation of procedure False [2018-06-22 10:46:53,737 INFO ]: Specification and implementation of procedure combined_lturn__bar given in one single declaration [2018-06-22 10:46:53,737 INFO ]: Found specification of procedure combined_lturn__bar [2018-06-22 10:46:53,737 INFO ]: Found implementation of procedure combined_lturn__bar [2018-06-22 10:46:53,737 INFO ]: Specification and implementation of procedure lturn__bar given in one single declaration [2018-06-22 10:46:53,737 INFO ]: Found specification of procedure lturn__bar [2018-06-22 10:46:53,737 INFO ]: Found implementation of procedure lturn__bar [2018-06-22 10:46:53,737 INFO ]: Specification and implementation of procedure step_lturn__bar given in one single declaration [2018-06-22 10:46:53,737 INFO ]: Found specification of procedure step_lturn__bar [2018-06-22 10:46:53,737 INFO ]: Found implementation of procedure step_lturn__bar [2018-06-22 10:46:53,738 INFO ]: Specification and implementation of procedure combined_lturn given in one single declaration [2018-06-22 10:46:53,738 INFO ]: Found specification of procedure combined_lturn [2018-06-22 10:46:53,738 INFO ]: Found implementation of procedure combined_lturn [2018-06-22 10:46:53,738 INFO ]: Specification and implementation of procedure lturn given in one single declaration [2018-06-22 10:46:53,738 INFO ]: Found specification of procedure lturn [2018-06-22 10:46:53,738 INFO ]: Found implementation of procedure lturn [2018-06-22 10:46:53,738 INFO ]: Specification and implementation of procedure step_lturn given in one single declaration [2018-06-22 10:46:53,738 INFO ]: Found specification of procedure step_lturn [2018-06-22 10:46:53,738 INFO ]: Found implementation of procedure step_lturn [2018-06-22 10:46:53,738 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:46:53,738 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:46:53,738 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:46:54,771 INFO ]: Using library mode [2018-06-22 10:46:54,772 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:46:54 BoogieIcfgContainer [2018-06-22 10:46:54,772 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:46:54,774 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:46:54,774 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:46:54,780 INFO ]: TraceAbstraction initialized [2018-06-22 10:46:54,780 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:46:53" (1/3) ... [2018-06-22 10:46:54,781 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c0ab9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:46:54, skipping insertion in model container [2018-06-22 10:46:54,781 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:53" (2/3) ... [2018-06-22 10:46:54,781 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c0ab9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:46:54, skipping insertion in model container [2018-06-22 10:46:54,781 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:46:54" (3/3) ... [2018-06-22 10:46:54,784 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:46:54,794 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:46:54,805 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:46:54,859 INFO ]: Using default assertion order modulation [2018-06-22 10:46:54,860 INFO ]: Interprodecural is true [2018-06-22 10:46:54,860 INFO ]: Hoare is false [2018-06-22 10:46:54,860 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:46:54,860 INFO ]: Backedges is TWOTRACK [2018-06-22 10:46:54,860 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:46:54,860 INFO ]: Difference is false [2018-06-22 10:46:54,860 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:46:54,860 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:46:54,887 INFO ]: Start isEmpty. Operand 162 states. [2018-06-22 10:46:54,956 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:46:54,956 INFO ]: Found error trace [2018-06-22 10:46:54,957 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:46:54,957 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:46:54,962 INFO ]: Analyzing trace with hash -171231995, now seen corresponding path program 1 times [2018-06-22 10:46:54,964 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:46:54,964 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:46:55,016 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:46:55,017 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:46:55,017 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:46:55,110 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:46:55,284 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:46:55,286 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:46:55,286 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:46:55,287 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:46:55,297 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:46:55,298 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:46:55,299 INFO ]: Start difference. First operand 162 states. Second operand 6 states. [2018-06-22 10:46:58,557 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:46:58,557 INFO ]: Finished difference Result 283 states and 778 transitions. [2018-06-22 10:46:58,557 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:46:58,558 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:46:58,559 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:46:58,591 INFO ]: With dead ends: 283 [2018-06-22 10:46:58,591 INFO ]: Without dead ends: 270 [2018-06-22 10:46:58,593 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:46:58,610 INFO ]: Start minimizeSevpa. Operand 270 states. [2018-06-22 10:46:58,840 INFO ]: Finished minimizeSevpa. Reduced states from 270 to 254. [2018-06-22 10:46:58,841 INFO ]: Start removeUnreachable. Operand 254 states. [2018-06-22 10:46:58,849 INFO ]: Finished removeUnreachable. Reduced from 254 states to 254 states and 714 transitions. [2018-06-22 10:46:58,851 INFO ]: Start accepts. Automaton has 254 states and 714 transitions. Word has length 17 [2018-06-22 10:46:58,852 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:46:58,852 INFO ]: Abstraction has 254 states and 714 transitions. [2018-06-22 10:46:58,852 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:46:58,852 INFO ]: Start isEmpty. Operand 254 states and 714 transitions. [2018-06-22 10:46:58,861 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:46:58,861 INFO ]: Found error trace [2018-06-22 10:46:58,862 INFO ]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:46:58,862 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:46:58,862 INFO ]: Analyzing trace with hash -2097126391, now seen corresponding path program 1 times [2018-06-22 10:46:58,862 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:46:58,862 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:46:58,863 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:46:58,863 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:46:58,863 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:46:58,897 INFO ]: Conjunction of SSA is sat [2018-06-22 10:46:58,903 INFO ]: Counterexample might be feasible [2018-06-22 10:46:58,921 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:46:58 BoogieIcfgContainer [2018-06-22 10:46:58,921 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:46:58,922 INFO ]: Toolchain (without parser) took 5361.22 ms. Allocated memory was 309.3 MB in the beginning and 391.6 MB in the end (delta: 82.3 MB). Free memory was 256.7 MB in the beginning and 345.8 MB in the end (delta: -89.1 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:46:58,923 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:46:58,924 INFO ]: ChcToBoogie took 97.59 ms. Allocated memory is still 309.3 MB. Free memory was 256.7 MB in the beginning and 253.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:46:58,924 INFO ]: Boogie Preprocessor took 57.74 ms. Allocated memory is still 309.3 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:46:58,924 INFO ]: RCFGBuilder took 1049.07 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 214.8 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:46:58,925 INFO ]: TraceAbstraction took 4147.68 ms. Allocated memory was 309.3 MB in the beginning and 391.6 MB in the end (delta: 82.3 MB). Free memory was 214.8 MB in the beginning and 345.8 MB in the end (delta: -131.1 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:46:58,928 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 97.59 ms. Allocated memory is still 309.3 MB. Free memory was 256.7 MB in the beginning and 253.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 57.74 ms. Allocated memory is still 309.3 MB. Free memory was 253.7 MB in the beginning and 251.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1049.07 ms. Allocated memory is still 309.3 MB. Free memory was 251.7 MB in the beginning and 214.8 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 4147.68 ms. Allocated memory was 309.3 MB in the beginning and 391.6 MB in the end (delta: 82.3 MB). Free memory was 214.8 MB in the beginning and 345.8 MB in the end (delta: -131.1 MB). There was no memory consumed. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call False(); [L0] assume true; [L0] CALL call step_lturn(hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int); [L0] assume ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 + 1 * hhv_step_lturn_7_Int + 1 * hhv_step_lturn_5_Int + -4 >= 0 && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_6_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_4_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_1_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_0_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_7_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_6_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_1_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_1_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_6_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_1_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_5_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_5_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + -1 * hhv_step_lturn_6_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_5_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + -1 * hhv_step_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + -1 * hhv_step_lturn_1_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_7_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_4_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_6_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_1_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_5_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_2_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_5_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_5_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + -1 * hhv_step_lturn_6_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_0_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_2_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + -1 * hhv_step_lturn_6_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + -1 * hhv_step_lturn_6_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_7_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_2_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_7_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_2_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_5_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_6_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_7_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_2_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_7_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + 1 * hhv_step_lturn_6_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_6_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_0_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_7_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_7_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_2_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_5_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_2_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_5_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + -1 * hhv_step_lturn_7_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_5_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_6_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_6_Int + -1 >= 0; [L0] RET call step_lturn(hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_7_Int, hbv_False_8_Int, hbv_False_9_Int); [L0] CALL call combined_lturn(hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_8_Int, hbv_False_7_Int, hbv_False_9_Int); [L0] assume true; [L0] CALL call step_lturn(hhv_combined_lturn_0_Int, hhv_combined_lturn_1_Int, hhv_combined_lturn_2_Int, hhv_combined_lturn_3_Int, hhv_combined_lturn_4_Int, hhv_combined_lturn_5_Int, hhv_combined_lturn_6_Int, hhv_combined_lturn_7_Int, hhv_combined_lturn_8_Int); [L0] assume true; [L0] CALL call step_lturn(hhv_step_lturn_0_Int, hhv_step_lturn_1_Int, hhv_step_lturn_2_Int, hhv_step_lturn_3_Int, hhv_step_lturn_4_Int, hhv_step_lturn_6_Int, hhv_step_lturn_7_Int, hhv_step_lturn_5_Int, hhv_step_lturn_8_Int); [L0] assume ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 + 1 * hhv_step_lturn_7_Int + 1 * hhv_step_lturn_5_Int + -4 >= 0 && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_6_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_4_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_1_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_0_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_7_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_6_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_1_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_1_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_6_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_1_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_5_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_5_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + -1 * hhv_step_lturn_6_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_5_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + -1 * hhv_step_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + -1 * hhv_step_lturn_1_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_7_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_4_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_6_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_1_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_5_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_2_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_5_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_5_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + -1 * hhv_step_lturn_6_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_0_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_2_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + -1 * hhv_step_lturn_6_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + -1 * hhv_step_lturn_6_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_7_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_2_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_7_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_2_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_5_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_6_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_7_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_2_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_7_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + 1 * hhv_step_lturn_6_Int + -3 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_6_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_0_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_7_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_7_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + 1 * hhv_step_lturn_2_Int + -4 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_5_Int + -1 >= 0) && 0 + -1 * hhv_step_lturn_3_Int + 1 * hhv_step_lturn_2_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_5_Int + -3 >= 0) && 0 + 1 * hhv_step_lturn_7_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + -1 * hhv_step_lturn_7_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_3_Int + -1 >= 0) && 0 + 1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_5_Int + -4 >= 0) && 0 + 1 * hhv_step_lturn_1_Int + 1 * hhv_step_lturn_6_Int + -2 >= 0) && 0 + 1 * hhv_step_lturn_4_Int + -1 * hhv_step_lturn_6_Int + -1 >= 0; [L0] RET call step_lturn(hhv_step_lturn_0_Int, hhv_step_lturn_1_Int, hhv_step_lturn_2_Int, hhv_step_lturn_3_Int, hhv_step_lturn_4_Int, hhv_step_lturn_6_Int, hhv_step_lturn_7_Int, hhv_step_lturn_5_Int, hhv_step_lturn_8_Int); [L0] RET call step_lturn(hhv_combined_lturn_0_Int, hhv_combined_lturn_1_Int, hhv_combined_lturn_2_Int, hhv_combined_lturn_3_Int, hhv_combined_lturn_4_Int, hhv_combined_lturn_5_Int, hhv_combined_lturn_6_Int, hhv_combined_lturn_7_Int, hhv_combined_lturn_8_Int); [L0] RET call combined_lturn(hbv_False_1_Int, hbv_False_2_Int, hbv_False_3_Int, hbv_False_4_Int, hbv_False_5_Int, hbv_False_6_Int, hbv_False_8_Int, hbv_False_7_Int, hbv_False_9_Int); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 162 locations, 1 error locations. UNSAFE Result, 4.0s OverallTime, 2 OverallIterations, 3 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 330 SDtfs, 23 SDslu, 1073 SDs, 0 SdLazy, 1231 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=254occurred in iteration=1, 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, 1 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 704 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/slow-hull.55.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-46-58-939.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/slow-hull.55.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-46-58-939.csv Received shutdown request...