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/point-location-nr.53.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:46:47,926 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:46:47,928 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:46:47,939 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:46:47,939 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:46:47,940 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:46:47,942 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:46:47,946 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:46:47,948 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:46:47,950 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:46:47,950 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:46:47,951 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:46:47,951 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:46:47,952 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:46:47,952 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:46:47,956 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:46:47,958 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:46:47,970 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:46:47,972 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:46:47,973 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:46:47,974 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:46:47,976 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:46:47,976 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:46:47,976 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:46:47,977 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:46:47,978 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:46:47,978 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:46:47,979 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:46:47,980 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:46:47,980 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:46:47,981 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:46:47,982 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:46:47,982 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:46:47,983 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:46:47,983 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:46:47,984 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 10:46:48,000 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:46:48,000 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:46:48,000 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:46:48,001 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:46:48,007 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:46:48,007 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:46:48,007 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:46:48,008 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:46:48,008 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:46:48,008 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:46:48,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:46:48,008 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:46:48,009 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:46:48,009 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:46:48,009 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:46:48,009 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:46:48,009 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:46:48,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:46:48,010 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:46:48,012 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:46:48,012 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:46:48,073 INFO ]: Repository-Root is: /tmp [2018-06-22 10:46:48,089 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:46:48,095 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:46:48,096 INFO ]: Initializing SmtParser... [2018-06-22 10:46:48,096 INFO ]: SmtParser initialized [2018-06-22 10:46:48,097 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.53.smt2 [2018-06-22 10:46:48,099 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 10:46:48,194 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.53.smt2 unknown [2018-06-22 10:46:48,580 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/point-location-nr.53.smt2 [2018-06-22 10:46:48,585 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:46:48,596 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:46:48,596 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:46:48,596 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:46:48,596 INFO ]: ChcToBoogie initialized [2018-06-22 10:46:48,602 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:46:48" (1/1) ... [2018-06-22 10:46:48,687 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:48 Unit [2018-06-22 10:46:48,687 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:46:48,688 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:46:48,688 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:46:48,688 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:46:48,704 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:48" (1/1) ... [2018-06-22 10:46:48,704 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:48" (1/1) ... [2018-06-22 10:46:48,716 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:48" (1/1) ... [2018-06-22 10:46:48,716 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:48" (1/1) ... [2018-06-22 10:46:48,731 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:48" (1/1) ... [2018-06-22 10:46:48,736 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:48" (1/1) ... [2018-06-22 10:46:48,738 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:48" (1/1) ... [2018-06-22 10:46:48,741 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:46:48,742 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:46:48,742 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:46:48,742 INFO ]: RCFGBuilder initialized [2018-06-22 10:46:48,743 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:48" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:46:48,756 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:46:48,756 INFO ]: Found specification of procedure False [2018-06-22 10:46:48,756 INFO ]: Found implementation of procedure False [2018-06-22 10:46:48,756 INFO ]: Specification and implementation of procedure combined_lturn__bar given in one single declaration [2018-06-22 10:46:48,756 INFO ]: Found specification of procedure combined_lturn__bar [2018-06-22 10:46:48,756 INFO ]: Found implementation of procedure combined_lturn__bar [2018-06-22 10:46:48,756 INFO ]: Specification and implementation of procedure lturn__bar given in one single declaration [2018-06-22 10:46:48,756 INFO ]: Found specification of procedure lturn__bar [2018-06-22 10:46:48,756 INFO ]: Found implementation of procedure lturn__bar [2018-06-22 10:46:48,756 INFO ]: Specification and implementation of procedure step_lturn__bar given in one single declaration [2018-06-22 10:46:48,756 INFO ]: Found specification of procedure step_lturn__bar [2018-06-22 10:46:48,756 INFO ]: Found implementation of procedure step_lturn__bar [2018-06-22 10:46:48,756 INFO ]: Specification and implementation of procedure combined_lturn given in one single declaration [2018-06-22 10:46:48,756 INFO ]: Found specification of procedure combined_lturn [2018-06-22 10:46:48,756 INFO ]: Found implementation of procedure combined_lturn [2018-06-22 10:46:48,756 INFO ]: Specification and implementation of procedure lturn given in one single declaration [2018-06-22 10:46:48,756 INFO ]: Found specification of procedure lturn [2018-06-22 10:46:48,756 INFO ]: Found implementation of procedure lturn [2018-06-22 10:46:48,757 INFO ]: Specification and implementation of procedure step_lturn given in one single declaration [2018-06-22 10:46:48,757 INFO ]: Found specification of procedure step_lturn [2018-06-22 10:46:48,757 INFO ]: Found implementation of procedure step_lturn [2018-06-22 10:46:48,757 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:46:48,757 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:46:48,757 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:46:49,748 INFO ]: Using library mode [2018-06-22 10:46:49,748 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:46:49 BoogieIcfgContainer [2018-06-22 10:46:49,748 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:46:49,750 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:46:49,750 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:46:49,755 INFO ]: TraceAbstraction initialized [2018-06-22 10:46:49,756 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:46:48" (1/3) ... [2018-06-22 10:46:49,757 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b679701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:46:49, skipping insertion in model container [2018-06-22 10:46:49,757 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:46:48" (2/3) ... [2018-06-22 10:46:49,757 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b679701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:46:49, skipping insertion in model container [2018-06-22 10:46:49,757 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:46:49" (3/3) ... [2018-06-22 10:46:49,759 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:46:49,768 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:46:49,778 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:46:49,820 INFO ]: Using default assertion order modulation [2018-06-22 10:46:49,821 INFO ]: Interprodecural is true [2018-06-22 10:46:49,821 INFO ]: Hoare is false [2018-06-22 10:46:49,821 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:46:49,821 INFO ]: Backedges is TWOTRACK [2018-06-22 10:46:49,821 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:46:49,821 INFO ]: Difference is false [2018-06-22 10:46:49,821 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:46:49,821 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:46:49,844 INFO ]: Start isEmpty. Operand 162 states. [2018-06-22 10:46:49,874 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:46:49,874 INFO ]: Found error trace [2018-06-22 10:46:49,876 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:46:49,876 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:46:49,881 INFO ]: Analyzing trace with hash -2025013701, now seen corresponding path program 1 times [2018-06-22 10:46:49,882 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:46:49,882 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:46:49,916 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:46:49,916 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:46:49,916 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:46:49,976 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:46:50,023 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:46:50,025 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:46:50,026 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 10:46:50,027 INFO ]: Interpolant automaton has 2 states [2018-06-22 10:46:50,043 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 10:46:50,043 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 10:46:50,045 INFO ]: Start difference. First operand 162 states. Second operand 2 states. [2018-06-22 10:46:50,100 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:46:50,100 INFO ]: Finished difference Result 153 states and 315 transitions. [2018-06-22 10:46:50,100 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 10:46:50,101 INFO ]: Start accepts. Automaton has 2 states. Word has length 17 [2018-06-22 10:46:50,102 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:46:50,131 INFO ]: With dead ends: 153 [2018-06-22 10:46:50,132 INFO ]: Without dead ends: 143 [2018-06-22 10:46:50,136 INFO ]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 10:46:50,173 INFO ]: Start minimizeSevpa. Operand 143 states. [2018-06-22 10:46:50,248 INFO ]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-06-22 10:46:50,249 INFO ]: Start removeUnreachable. Operand 143 states. [2018-06-22 10:46:50,258 INFO ]: Finished removeUnreachable. Reduced from 143 states to 143 states and 301 transitions. [2018-06-22 10:46:50,261 INFO ]: Start accepts. Automaton has 143 states and 301 transitions. Word has length 17 [2018-06-22 10:46:50,262 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:46:50,262 INFO ]: Abstraction has 143 states and 301 transitions. [2018-06-22 10:46:50,262 INFO ]: Interpolant automaton has 2 states. [2018-06-22 10:46:50,262 INFO ]: Start isEmpty. Operand 143 states and 301 transitions. [2018-06-22 10:46:50,274 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:46:50,274 INFO ]: Found error trace [2018-06-22 10:46:50,275 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:46:50,275 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:46:50,275 INFO ]: Analyzing trace with hash -1563214468, now seen corresponding path program 1 times [2018-06-22 10:46:50,275 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:46:50,275 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:46:50,276 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:46:50,276 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:46:50,276 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:46:50,307 INFO ]: Conjunction of SSA is sat [2018-06-22 10:46:50,311 INFO ]: Counterexample might be feasible [2018-06-22 10:46:50,326 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:46:50 BoogieIcfgContainer [2018-06-22 10:46:50,327 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:46:50,327 INFO ]: Toolchain (without parser) took 1741.62 ms. Allocated memory was 309.3 MB in the beginning and 332.4 MB in the end (delta: 23.1 MB). Free memory was 255.7 MB in the beginning and 287.6 MB in the end (delta: -31.8 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:46:50,339 INFO ]: SmtParser took 0.07 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 10:46:50,340 INFO ]: ChcToBoogie took 91.73 ms. Allocated memory is still 309.3 MB. Free memory was 255.7 MB in the beginning and 252.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:46:50,341 INFO ]: Boogie Preprocessor took 53.19 ms. Allocated memory is still 309.3 MB. Free memory was 252.7 MB in the beginning and 250.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:46:50,341 INFO ]: RCFGBuilder took 1006.40 ms. Allocated memory is still 309.3 MB. Free memory was 250.7 MB in the beginning and 207.6 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. [2018-06-22 10:46:50,348 INFO ]: TraceAbstraction took 576.34 ms. Allocated memory was 309.3 MB in the beginning and 332.4 MB in the end (delta: 23.1 MB). Free memory was 207.6 MB in the beginning and 287.6 MB in the end (delta: -80.0 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:46:50,351 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 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 91.73 ms. Allocated memory is still 309.3 MB. Free memory was 255.7 MB in the beginning and 252.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 53.19 ms. Allocated memory is still 309.3 MB. Free memory was 252.7 MB in the beginning and 250.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1006.40 ms. Allocated memory is still 309.3 MB. Free memory was 250.7 MB in the beginning and 207.6 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 576.34 ms. Allocated memory was 309.3 MB in the beginning and 332.4 MB in the end (delta: 23.1 MB). Free memory was 207.6 MB in the beginning and 287.6 MB in the end (delta: -80.0 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, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int, hbv_False_13_Int); [L0] assume (((((((0 + 1 * hhv_step_lturn_2_Int + -1 * hhv_step_lturn_11_Int + 0 >= 0 && 0 + 1 * hhv_step_lturn_0_Int + -1 * hhv_step_lturn_10_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_8_Int + -1 * hhv_step_lturn_0_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_0_Int + 1 * hhv_step_lturn_10_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_7_Int + 1 * hhv_step_lturn_8_Int + -2 >= 0) && 0 + -1 * hhv_step_lturn_2_Int + 1 * hhv_step_lturn_11_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_6_Int + -1 * hhv_step_lturn_9_Int + 0 >= 0) && 0 + -1 * hhv_step_lturn_6_Int + 1 * hhv_step_lturn_9_Int + 0 >= 0) && 0 + 1 * hhv_step_lturn_8_Int + -1 * hhv_step_lturn_10_Int + -2 >= 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, hbv_False_10_Int, hbv_False_11_Int, hbv_False_12_Int, hbv_False_13_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_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_12_Int, hbv_False_11_Int, hbv_False_13_Int); [L0] assume true; [L0] CALL call 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, hhv_combined_lturn_9_Int, hhv_combined_lturn_10_Int, hhv_combined_lturn_11_Int, hhv_combined_lturn_12_Int); [L0] assume (((((((((0 + 1 * hhv_lturn_2_Int + -1 * hhv_lturn_5_Int + 0 >= 0 && 0 + 1 * hhv_lturn_8_Int + -1 * hhv_lturn_0_Int + -2 >= 0) && 0 + -1 * hhv_lturn_6_Int + 1 * hhv_lturn_9_Int + 0 >= 0) && 0 + 1 * hhv_lturn_1_Int + -1 * hhv_lturn_4_Int + 0 >= 0) && 0 + -1 * hhv_lturn_0_Int + 1 * hhv_lturn_3_Int + 0 >= 0) && 0 + 1 * hhv_lturn_6_Int + -1 * hhv_lturn_9_Int + 0 >= 0) && 0 + -1 * hhv_lturn_2_Int + 1 * hhv_lturn_5_Int + 0 >= 0) && 0 + 1 * hhv_lturn_0_Int + -1 * hhv_lturn_3_Int + 0 >= 0) && 0 + -1 * hhv_lturn_7_Int + 1 * hhv_lturn_8_Int + -2 >= 0) && 0 + 1 * hhv_lturn_8_Int + -1 * hhv_lturn_3_Int + -2 >= 0) && 0 + -1 * hhv_lturn_1_Int + 1 * hhv_lturn_4_Int + 0 >= 0; [L0] RET call 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, hhv_combined_lturn_9_Int, hhv_combined_lturn_10_Int, hhv_combined_lturn_11_Int, hhv_combined_lturn_12_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_7_Int, hbv_False_8_Int, hbv_False_9_Int, hbv_False_10_Int, hbv_False_12_Int, hbv_False_11_Int, hbv_False_13_Int); [L0] RET call False(); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 162 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 315 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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/point-location-nr.53.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-46-50-369.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/point-location-nr.53.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-46-50-369.csv Received shutdown request...