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/hopv/lia/mochi/queen.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 11:35:39,024 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 11:35:39,035 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 11:35:39,051 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 11:35:39,052 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 11:35:39,053 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 11:35:39,054 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 11:35:39,056 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 11:35:39,058 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 11:35:39,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 11:35:39,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 11:35:39,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 11:35:39,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 11:35:39,062 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 11:35:39,063 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 11:35:39,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 11:35:39,066 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 11:35:39,068 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 11:35:39,069 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 11:35:39,070 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 11:35:39,072 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 11:35:39,074 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 11:35:39,075 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 11:35:39,075 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 11:35:39,076 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 11:35:39,077 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 11:35:39,078 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 11:35:39,079 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 11:35:39,080 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 11:35:39,080 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 11:35:39,081 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 11:35:39,082 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 11:35:39,082 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 11:35:39,083 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 11:35:39,084 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 11:35:39,084 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 11:35:39,099 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 11:35:39,099 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 11:35:39,099 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 11:35:39,100 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 11:35:39,101 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 11:35:39,101 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 11:35:39,101 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 11:35:39,102 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 11:35:39,102 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 11:35:39,102 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 11:35:39,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:35:39,102 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 11:35:39,103 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 11:35:39,103 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 11:35:39,103 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 11:35:39,103 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 11:35:39,103 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 11:35:39,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 11:35:39,104 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 11:35:39,105 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 11:35:39,106 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 11:35:39,165 INFO ]: Repository-Root is: /tmp [2018-06-22 11:35:39,184 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 11:35:39,191 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 11:35:39,192 INFO ]: Initializing SmtParser... [2018-06-22 11:35:39,193 INFO ]: SmtParser initialized [2018-06-22 11:35:39,194 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/mochi/queen.smt2 [2018-06-22 11:35:39,195 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 11:35:39,303 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/mochi/queen.smt2 unknown [2018-06-22 11:35:40,042 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/mochi/queen.smt2 [2018-06-22 11:35:40,047 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 11:35:40,052 INFO ]: Walking toolchain with 4 elements. [2018-06-22 11:35:40,053 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 11:35:40,053 INFO ]: Initializing ChcToBoogie... [2018-06-22 11:35:40,053 INFO ]: ChcToBoogie initialized [2018-06-22 11:35:40,056 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:35:40" (1/1) ... [2018-06-22 11:35:40,125 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:35:40 Unit [2018-06-22 11:35:40,125 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 11:35:40,131 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 11:35:40,131 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 11:35:40,131 INFO ]: Boogie Preprocessor initialized [2018-06-22 11:35:40,154 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:35:40" (1/1) ... [2018-06-22 11:35:40,154 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:35:40" (1/1) ... [2018-06-22 11:35:40,163 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:35:40" (1/1) ... [2018-06-22 11:35:40,163 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:35:40" (1/1) ... [2018-06-22 11:35:40,174 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:35:40" (1/1) ... [2018-06-22 11:35:40,189 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:35:40" (1/1) ... [2018-06-22 11:35:40,192 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:35:40" (1/1) ... [2018-06-22 11:35:40,196 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 11:35:40,197 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 11:35:40,197 INFO ]: Initializing RCFGBuilder... [2018-06-22 11:35:40,197 INFO ]: RCFGBuilder initialized [2018-06-22 11:35:40,198 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:35:40" (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 11:35:40,213 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 11:35:40,213 INFO ]: Found specification of procedure False [2018-06-22 11:35:40,213 INFO ]: Found implementation of procedure False [2018-06-22 11:35:40,213 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN4-aux1DLRunknownCLN28 given in one single declaration [2018-06-22 11:35:40,213 INFO ]: Found specification of procedure DLRinnerFuncCLN4-aux1DLRunknownCLN28 [2018-06-22 11:35:40,213 INFO ]: Found implementation of procedure DLRinnerFuncCLN4-aux1DLRunknownCLN28 [2018-06-22 11:35:40,213 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN3-dotsPrintDLRunknownCLN22 given in one single declaration [2018-06-22 11:35:40,213 INFO ]: Found specification of procedure DLRinnerFuncCLN3-dotsPrintDLRunknownCLN22 [2018-06-22 11:35:40,213 INFO ]: Found implementation of procedure DLRinnerFuncCLN3-dotsPrintDLRunknownCLN22 [2018-06-22 11:35:40,213 INFO ]: Specification and implementation of procedure print_stringDLRunknownCLN66 given in one single declaration [2018-06-22 11:35:40,213 INFO ]: Found specification of procedure print_stringDLRunknownCLN66 [2018-06-22 11:35:40,213 INFO ]: Found implementation of procedure print_stringDLRunknownCLN66 [2018-06-22 11:35:40,213 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN5-queenPrintDLRunknownCLN30 given in one single declaration [2018-06-22 11:35:40,213 INFO ]: Found specification of procedure DLRinnerFuncCLN5-queenPrintDLRunknownCLN30 [2018-06-22 11:35:40,213 INFO ]: Found implementation of procedure DLRinnerFuncCLN5-queenPrintDLRunknownCLN30 [2018-06-22 11:35:40,214 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN7-testDLRunknownCLN51 given in one single declaration [2018-06-22 11:35:40,214 INFO ]: Found specification of procedure DLRinnerFuncCLN7-testDLRunknownCLN51 [2018-06-22 11:35:40,214 INFO ]: Found implementation of procedure DLRinnerFuncCLN7-testDLRunknownCLN51 [2018-06-22 11:35:40,214 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN6-aux2DLRunknownCLN44 given in one single declaration [2018-06-22 11:35:40,214 INFO ]: Found specification of procedure DLRinnerFuncCLN6-aux2DLRunknownCLN44 [2018-06-22 11:35:40,214 INFO ]: Found implementation of procedure DLRinnerFuncCLN6-aux2DLRunknownCLN44 [2018-06-22 11:35:40,214 INFO ]: Specification and implementation of procedure absDLRunknownCLN60 given in one single declaration [2018-06-22 11:35:40,214 INFO ]: Found specification of procedure absDLRunknownCLN60 [2018-06-22 11:35:40,214 INFO ]: Found implementation of procedure absDLRunknownCLN60 [2018-06-22 11:35:40,214 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN6-aux2DLRunknownCLN41 given in one single declaration [2018-06-22 11:35:40,214 INFO ]: Found specification of procedure DLRinnerFuncCLN6-aux2DLRunknownCLN41 [2018-06-22 11:35:40,214 INFO ]: Found implementation of procedure DLRinnerFuncCLN6-aux2DLRunknownCLN41 [2018-06-22 11:35:40,214 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN7-testDLRunknownCLN50 given in one single declaration [2018-06-22 11:35:40,214 INFO ]: Found specification of procedure DLRinnerFuncCLN7-testDLRunknownCLN50 [2018-06-22 11:35:40,214 INFO ]: Found implementation of procedure DLRinnerFuncCLN7-testDLRunknownCLN50 [2018-06-22 11:35:40,214 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN2-assignDLRunknownCLN17 given in one single declaration [2018-06-22 11:35:40,214 INFO ]: Found specification of procedure DLRinnerFuncCLN2-assignDLRunknownCLN17 [2018-06-22 11:35:40,214 INFO ]: Found implementation of procedure DLRinnerFuncCLN2-assignDLRunknownCLN17 [2018-06-22 11:35:40,214 INFO ]: Specification and implementation of procedure updateDLRunknownCLN75 given in one single declaration [2018-06-22 11:35:40,214 INFO ]: Found specification of procedure updateDLRunknownCLN75 [2018-06-22 11:35:40,214 INFO ]: Found implementation of procedure updateDLRunknownCLN75 [2018-06-22 11:35:40,214 INFO ]: Specification and implementation of procedure updateDLRunknownCLN72 given in one single declaration [2018-06-22 11:35:40,214 INFO ]: Found specification of procedure updateDLRunknownCLN72 [2018-06-22 11:35:40,214 INFO ]: Found implementation of procedure updateDLRunknownCLN72 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 11:35:40,214 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN2-assignDLRunknownCLN15 given in one single declaration [2018-06-22 11:35:40,218 INFO ]: Found specification of procedure DLRinnerFuncCLN2-assignDLRunknownCLN15 [2018-06-22 11:35:40,218 INFO ]: Found implementation of procedure DLRinnerFuncCLN2-assignDLRunknownCLN15 [2018-06-22 11:35:40,218 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN8 given in one single declaration [2018-06-22 11:35:40,218 INFO ]: Found specification of procedure DLRinnerFuncCLN1-aDLRunknownCLN8 [2018-06-22 11:35:40,218 INFO ]: Found implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN8 [2018-06-22 11:35:40,218 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN4 given in one single declaration [2018-06-22 11:35:40,218 INFO ]: Found specification of procedure DLRinnerFuncCLN1-aDLRunknownCLN4 [2018-06-22 11:35:40,218 INFO ]: Found implementation of procedure DLRinnerFuncCLN1-aDLRunknownCLN4 [2018-06-22 11:35:40,218 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN8-loopDLRunknownCLN57 given in one single declaration [2018-06-22 11:35:40,218 INFO ]: Found specification of procedure DLRinnerFuncCLN8-loopDLRunknownCLN57 [2018-06-22 11:35:40,218 INFO ]: Found implementation of procedure DLRinnerFuncCLN8-loopDLRunknownCLN57 [2018-06-22 11:35:40,218 INFO ]: Specification and implementation of procedure queenDLRunknownCLN67 given in one single declaration [2018-06-22 11:35:40,218 INFO ]: Found specification of procedure queenDLRunknownCLN67 [2018-06-22 11:35:40,218 INFO ]: Found implementation of procedure queenDLRunknownCLN67 [2018-06-22 11:35:40,218 INFO ]: Specification and implementation of procedure make_arrayDLRunknownCLN64 given in one single declaration [2018-06-22 11:35:40,218 INFO ]: Found specification of procedure make_arrayDLRunknownCLN64 [2018-06-22 11:35:40,218 INFO ]: Found implementation of procedure make_arrayDLRunknownCLN64 [2018-06-22 11:35:40,218 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN5-queenPrintDLRunknownCLN35 given in one single declaration [2018-06-22 11:35:40,219 INFO ]: Found specification of procedure DLRinnerFuncCLN5-queenPrintDLRunknownCLN35 [2018-06-22 11:35:40,219 INFO ]: Found implementation of procedure DLRinnerFuncCLN5-queenPrintDLRunknownCLN35 [2018-06-22 11:35:40,219 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN4-aux1DLRunknownCLN29 given in one single declaration [2018-06-22 11:35:40,219 INFO ]: Found specification of procedure DLRinnerFuncCLN4-aux1DLRunknownCLN29 [2018-06-22 11:35:40,219 INFO ]: Found implementation of procedure DLRinnerFuncCLN4-aux1DLRunknownCLN29 [2018-06-22 11:35:40,219 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN8-loopDLRunknownCLN55 given in one single declaration [2018-06-22 11:35:40,219 INFO ]: Found specification of procedure DLRinnerFuncCLN8-loopDLRunknownCLN55 [2018-06-22 11:35:40,219 INFO ]: Found implementation of procedure DLRinnerFuncCLN8-loopDLRunknownCLN55 [2018-06-22 11:35:40,219 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN4-aux1DLRunknownCLN27 given in one single declaration [2018-06-22 11:35:40,219 INFO ]: Found specification of procedure DLRinnerFuncCLN4-aux1DLRunknownCLN27 [2018-06-22 11:35:40,219 INFO ]: Found implementation of procedure DLRinnerFuncCLN4-aux1DLRunknownCLN27 [2018-06-22 11:35:40,219 INFO ]: Specification and implementation of procedure DLRinnerFuncCLN5-queenPrintDLRunknownCLN34 given in one single declaration [2018-06-22 11:35:40,219 INFO ]: Found specification of procedure DLRinnerFuncCLN5-queenPrintDLRunknownCLN34 [2018-06-22 11:35:40,219 INFO ]: Found implementation of procedure DLRinnerFuncCLN5-queenPrintDLRunknownCLN34 [2018-06-22 11:35:40,219 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 11:35:40,219 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 11:35:40,219 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 11:35:41,644 INFO ]: Using library mode [2018-06-22 11:35:41,645 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:35:41 BoogieIcfgContainer [2018-06-22 11:35:41,645 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 11:35:41,646 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 11:35:41,646 INFO ]: Initializing TraceAbstraction... [2018-06-22 11:35:41,650 INFO ]: TraceAbstraction initialized [2018-06-22 11:35:41,650 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 11:35:40" (1/3) ... [2018-06-22 11:35:41,651 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddc26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 11:35:41, skipping insertion in model container [2018-06-22 11:35:41,651 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 11:35:40" (2/3) ... [2018-06-22 11:35:41,651 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddc26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:35:41, skipping insertion in model container [2018-06-22 11:35:41,651 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:35:41" (3/3) ... [2018-06-22 11:35:41,653 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 11:35:41,665 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 11:35:41,678 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 11:35:41,728 INFO ]: Using default assertion order modulation [2018-06-22 11:35:41,728 INFO ]: Interprodecural is true [2018-06-22 11:35:41,728 INFO ]: Hoare is false [2018-06-22 11:35:41,728 INFO ]: Compute interpolants for FPandBP [2018-06-22 11:35:41,729 INFO ]: Backedges is TWOTRACK [2018-06-22 11:35:41,729 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 11:35:41,729 INFO ]: Difference is false [2018-06-22 11:35:41,729 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 11:35:41,729 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 11:35:41,759 INFO ]: Start isEmpty. Operand 158 states. [2018-06-22 11:35:41,779 INFO ]: Finished isEmpty. Found accepting run of length 6 [2018-06-22 11:35:41,779 INFO ]: Found error trace [2018-06-22 11:35:41,780 INFO ]: trace histogram [1, 1, 1, 1, 1] [2018-06-22 11:35:41,780 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:35:41,786 INFO ]: Analyzing trace with hash 615598223, now seen corresponding path program 1 times [2018-06-22 11:35:41,788 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:35:41,788 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:35:41,831 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:35:41,831 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:35:41,831 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:35:41,851 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:35:41,874 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 11:35:41,876 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 11:35:41,876 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 11:35:41,878 INFO ]: Interpolant automaton has 2 states [2018-06-22 11:35:41,890 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 11:35:41,891 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 11:35:41,893 INFO ]: Start difference. First operand 158 states. Second operand 2 states. [2018-06-22 11:35:41,932 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:35:41,932 INFO ]: Finished difference Result 156 states and 228 transitions. [2018-06-22 11:35:41,932 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 11:35:41,933 INFO ]: Start accepts. Automaton has 2 states. Word has length 5 [2018-06-22 11:35:41,934 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:35:41,964 INFO ]: With dead ends: 156 [2018-06-22 11:35:41,964 INFO ]: Without dead ends: 156 [2018-06-22 11:35:41,966 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 11:35:41,982 INFO ]: Start minimizeSevpa. Operand 156 states. [2018-06-22 11:35:42,028 INFO ]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-06-22 11:35:42,030 INFO ]: Start removeUnreachable. Operand 156 states. [2018-06-22 11:35:42,037 INFO ]: Finished removeUnreachable. Reduced from 156 states to 156 states and 228 transitions. [2018-06-22 11:35:42,038 INFO ]: Start accepts. Automaton has 156 states and 228 transitions. Word has length 5 [2018-06-22 11:35:42,038 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:35:42,038 INFO ]: Abstraction has 156 states and 228 transitions. [2018-06-22 11:35:42,038 INFO ]: Interpolant automaton has 2 states. [2018-06-22 11:35:42,038 INFO ]: Start isEmpty. Operand 156 states and 228 transitions. [2018-06-22 11:35:42,070 INFO ]: Finished isEmpty. Found accepting run of length 390 [2018-06-22 11:35:42,070 INFO ]: Found error trace [2018-06-22 11:35:42,070 INFO ]: trace histogram [24, 24, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-06-22 11:35:42,070 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:35:42,071 INFO ]: Analyzing trace with hash 960766091, now seen corresponding path program 1 times [2018-06-22 11:35:42,071 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:35:42,071 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:35:42,071 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:35:42,071 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:35:42,071 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:35:42,380 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:35:43,221 INFO ]: Checked inductivity of 1916 backedges. 30 proven. 157 refuted. 0 times theorem prover too weak. 1729 trivial. 0 not checked. [2018-06-22 11:35:43,222 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:35:43,222 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:35:43,237 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:35:43,539 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:35:43,603 INFO ]: Computing forward predicates... [2018-06-22 11:35:45,391 INFO ]: Checked inductivity of 1916 backedges. 877 proven. 16 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2018-06-22 11:35:45,426 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:35:45,427 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15] total 18 [2018-06-22 11:35:45,435 INFO ]: Interpolant automaton has 18 states [2018-06-22 11:35:45,435 INFO ]: Constructing interpolant automaton starting with 18 interpolants. [2018-06-22 11:35:45,435 INFO ]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2018-06-22 11:35:45,435 INFO ]: Start difference. First operand 156 states and 228 transitions. Second operand 18 states. [2018-06-22 11:35:47,531 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:35:47,532 INFO ]: Finished difference Result 160 states and 243 transitions. [2018-06-22 11:35:47,532 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-06-22 11:35:47,532 INFO ]: Start accepts. Automaton has 18 states. Word has length 389 [2018-06-22 11:35:47,533 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:35:47,540 INFO ]: With dead ends: 160 [2018-06-22 11:35:47,540 INFO ]: Without dead ends: 160 [2018-06-22 11:35:47,541 INFO ]: 0 DeclaredPredicates, 400 GetRequests, 380 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2018-06-22 11:35:47,541 INFO ]: Start minimizeSevpa. Operand 160 states. [2018-06-22 11:35:47,568 INFO ]: Finished minimizeSevpa. Reduced states from 160 to 158. [2018-06-22 11:35:47,568 INFO ]: Start removeUnreachable. Operand 158 states. [2018-06-22 11:35:47,573 INFO ]: Finished removeUnreachable. Reduced from 158 states to 158 states and 241 transitions. [2018-06-22 11:35:47,573 INFO ]: Start accepts. Automaton has 158 states and 241 transitions. Word has length 389 [2018-06-22 11:35:47,575 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:35:47,575 INFO ]: Abstraction has 158 states and 241 transitions. [2018-06-22 11:35:47,575 INFO ]: Interpolant automaton has 18 states. [2018-06-22 11:35:47,575 INFO ]: Start isEmpty. Operand 158 states and 241 transitions. [2018-06-22 11:35:47,585 INFO ]: Finished isEmpty. Found accepting run of length 390 [2018-06-22 11:35:47,585 INFO ]: Found error trace [2018-06-22 11:35:47,585 INFO ]: trace histogram [24, 24, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-06-22 11:35:47,585 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:35:47,586 INFO ]: Analyzing trace with hash -274850697, now seen corresponding path program 1 times [2018-06-22 11:35:47,586 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:35:47,586 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:35:47,587 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:35:47,587 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:35:47,587 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:35:47,669 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:35:48,025 INFO ]: Checked inductivity of 1916 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2018-06-22 11:35:48,025 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:35:48,025 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:35:48,033 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:35:48,256 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:35:48,286 INFO ]: Computing forward predicates... [2018-06-22 11:35:48,851 INFO ]: Checked inductivity of 1916 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 1895 trivial. 0 not checked. [2018-06-22 11:35:48,891 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 11:35:48,891 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 17 [2018-06-22 11:35:48,892 INFO ]: Interpolant automaton has 17 states [2018-06-22 11:35:48,892 INFO ]: Constructing interpolant automaton starting with 17 interpolants. [2018-06-22 11:35:48,892 INFO ]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2018-06-22 11:35:48,893 INFO ]: Start difference. First operand 158 states and 241 transitions. Second operand 17 states. [2018-06-22 11:35:49,682 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:35:49,682 INFO ]: Finished difference Result 172 states and 265 transitions. [2018-06-22 11:35:49,682 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-06-22 11:35:49,682 INFO ]: Start accepts. Automaton has 17 states. Word has length 389 [2018-06-22 11:35:49,687 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:35:49,691 INFO ]: With dead ends: 172 [2018-06-22 11:35:49,691 INFO ]: Without dead ends: 171 [2018-06-22 11:35:49,696 INFO ]: 0 DeclaredPredicates, 400 GetRequests, 381 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2018-06-22 11:35:49,696 INFO ]: Start minimizeSevpa. Operand 171 states. [2018-06-22 11:35:49,731 INFO ]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-06-22 11:35:49,731 INFO ]: Start removeUnreachable. Operand 171 states. [2018-06-22 11:35:49,735 INFO ]: Finished removeUnreachable. Reduced from 171 states to 171 states and 263 transitions. [2018-06-22 11:35:49,735 INFO ]: Start accepts. Automaton has 171 states and 263 transitions. Word has length 389 [2018-06-22 11:35:49,736 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:35:49,736 INFO ]: Abstraction has 171 states and 263 transitions. [2018-06-22 11:35:49,736 INFO ]: Interpolant automaton has 17 states. [2018-06-22 11:35:49,736 INFO ]: Start isEmpty. Operand 171 states and 263 transitions. [2018-06-22 11:35:49,744 INFO ]: Finished isEmpty. Found accepting run of length 766 [2018-06-22 11:35:49,744 INFO ]: Found error trace [2018-06-22 11:35:49,745 INFO ]: trace histogram [47, 47, 28, 28, 28, 28, 28, 28, 28, 28, 19, 19, 19, 19, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:35:49,745 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 11:35:49,745 INFO ]: Analyzing trace with hash 423469283, now seen corresponding path program 1 times [2018-06-22 11:35:49,745 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 11:35:49,745 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 11:35:49,746 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:35:49,746 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:35:49,746 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 11:35:49,867 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:35:51,162 INFO ]: Checked inductivity of 7742 backedges. 2 proven. 67 refuted. 0 times theorem prover too weak. 7673 trivial. 0 not checked. [2018-06-22 11:35:51,162 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 11:35:51,162 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 11:35:51,174 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 11:35:51,490 INFO ]: Conjunction of SSA is unsat [2018-06-22 11:35:51,521 INFO ]: Computing forward predicates... [2018-06-22 11:35:51,918 INFO ]: Checked inductivity of 7742 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7740 trivial. 0 not checked. [2018-06-22 11:35:51,940 INFO ]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-06-22 11:35:51,940 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 11 [2018-06-22 11:35:51,941 INFO ]: Interpolant automaton has 11 states [2018-06-22 11:35:51,941 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 11:35:51,941 INFO ]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-06-22 11:35:51,941 INFO ]: Start difference. First operand 171 states and 263 transitions. Second operand 11 states. [2018-06-22 11:35:52,181 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 11:35:52,181 INFO ]: Finished difference Result 179 states and 291 transitions. [2018-06-22 11:35:52,182 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-06-22 11:35:52,182 INFO ]: Start accepts. Automaton has 11 states. Word has length 765 [2018-06-22 11:35:52,185 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 11:35:52,185 INFO ]: With dead ends: 179 [2018-06-22 11:35:52,185 INFO ]: Without dead ends: 0 [2018-06-22 11:35:52,185 INFO ]: 0 DeclaredPredicates, 777 GetRequests, 764 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-06-22 11:35:52,185 INFO ]: Start minimizeSevpa. Operand 0 states. [2018-06-22 11:35:52,185 INFO ]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-06-22 11:35:52,185 INFO ]: Start removeUnreachable. Operand 0 states. [2018-06-22 11:35:52,185 INFO ]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-06-22 11:35:52,185 INFO ]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 765 [2018-06-22 11:35:52,186 INFO ]: Finished accepts. word is rejected. [2018-06-22 11:35:52,186 INFO ]: Abstraction has 0 states and 0 transitions. [2018-06-22 11:35:52,186 INFO ]: Interpolant automaton has 11 states. [2018-06-22 11:35:52,186 INFO ]: Start isEmpty. Operand 0 states and 0 transitions. [2018-06-22 11:35:52,186 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 11:35:52,190 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:35:52 BoogieIcfgContainer [2018-06-22 11:35:52,190 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 11:35:52,191 INFO ]: Toolchain (without parser) took 12143.60 ms. Allocated memory was 308.3 MB in the beginning and 685.8 MB in the end (delta: 377.5 MB). Free memory was 236.7 MB in the beginning and 460.5 MB in the end (delta: -223.8 MB). Peak memory consumption was 153.7 MB. Max. memory is 3.6 GB. [2018-06-22 11:35:52,192 INFO ]: SmtParser took 0.12 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 11:35:52,193 INFO ]: ChcToBoogie took 72.49 ms. Allocated memory is still 308.3 MB. Free memory was 234.7 MB in the beginning and 232.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:35:52,194 INFO ]: Boogie Preprocessor took 65.18 ms. Allocated memory is still 308.3 MB. Free memory was 232.8 MB in the beginning and 230.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 11:35:52,194 INFO ]: RCFGBuilder took 1447.75 ms. Allocated memory was 308.3 MB in the beginning and 323.5 MB in the end (delta: 15.2 MB). Free memory was 230.8 MB in the beginning and 291.8 MB in the end (delta: -61.1 MB). Peak memory consumption was 49.6 MB. Max. memory is 3.6 GB. [2018-06-22 11:35:52,195 INFO ]: TraceAbstraction took 10544.05 ms. Allocated memory was 323.5 MB in the beginning and 685.8 MB in the end (delta: 362.3 MB). Free memory was 291.8 MB in the beginning and 460.5 MB in the end (delta: -168.7 MB). Peak memory consumption was 193.6 MB. Max. memory is 3.6 GB. [2018-06-22 11:35:52,197 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.12 ms. Allocated memory is still 308.3 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 72.49 ms. Allocated memory is still 308.3 MB. Free memory was 234.7 MB in the beginning and 232.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 65.18 ms. Allocated memory is still 308.3 MB. Free memory was 232.8 MB in the beginning and 230.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1447.75 ms. Allocated memory was 308.3 MB in the beginning and 323.5 MB in the end (delta: 15.2 MB). Free memory was 230.8 MB in the beginning and 291.8 MB in the end (delta: -61.1 MB). Peak memory consumption was 49.6 MB. Max. memory is 3.6 GB. * TraceAbstraction took 10544.05 ms. Allocated memory was 323.5 MB in the beginning and 685.8 MB in the end (delta: 362.3 MB). Free memory was 291.8 MB in the beginning and 460.5 MB in the end (delta: -168.7 MB). Peak memory consumption was 193.6 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [UNKNOWN] : assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 158 locations, 1 error locations. SAFE Result, 10.4s OverallTime, 4 OverallIterations, 47 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 843 SDtfs, 11 SDslu, 7422 SDs, 0 SdLazy, 1308 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1579 GetRequests, 1527 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 3091 NumberOfCodeBlocks, 3091 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 3084 ConstructedInterpolants, 0 QuantifiedInterpolants, 1998540 SizeOfPredicates, 25 NumberOfNonLiveVariables, 5163 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 22833/23148 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/queen.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_11-35-52-206.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/queen.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_11-35-52-206.csv Received shutdown request...