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/fortune-full.15.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:32:43,984 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:32:43,986 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:32:43,997 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:32:43,997 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:32:43,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:32:43,999 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:32:44,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:32:44,003 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:32:44,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:32:44,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:32:44,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:32:44,005 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:32:44,006 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:32:44,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:32:44,008 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:32:44,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:32:44,011 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:32:44,012 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:32:44,013 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:32:44,014 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:32:44,017 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:32:44,017 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:32:44,017 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:32:44,018 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:32:44,019 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:32:44,020 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:32:44,021 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:32:44,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:32:44,022 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:32:44,022 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:32:44,023 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:32:44,023 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:32:44,024 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:32:44,024 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:32:44,025 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 10:32:44,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:32:44,038 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:32:44,038 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:32:44,039 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:32:44,040 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:32:44,040 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:32:44,040 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:32:44,040 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:32:44,040 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:32:44,041 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:32:44,041 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:32:44,041 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:32:44,043 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:32:44,043 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:32:44,043 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:32:44,043 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:32:44,043 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:32:44,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:32:44,044 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:32:44,045 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:32:44,045 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:32:44,100 INFO ]: Repository-Root is: /tmp [2018-06-22 10:32:44,116 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:32:44,121 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:32:44,123 INFO ]: Initializing SmtParser... [2018-06-22 10:32:44,123 INFO ]: SmtParser initialized [2018-06-22 10:32:44,123 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/fortune-full.15.smt2 [2018-06-22 10:32:44,125 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 10:32:44,212 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/fortune-full.15.smt2 unknown [2018-06-22 10:32:44,929 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/fortune-full.15.smt2 [2018-06-22 10:32:44,939 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:32:44,952 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:32:44,953 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:32:44,953 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:32:44,953 INFO ]: ChcToBoogie initialized [2018-06-22 10:32:44,960 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:32:44" (1/1) ... [2018-06-22 10:32:45,100 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:32:45 Unit [2018-06-22 10:32:45,100 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:32:45,101 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:32:45,101 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:32:45,101 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:32:45,126 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:32:45" (1/1) ... [2018-06-22 10:32:45,126 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:32:45" (1/1) ... [2018-06-22 10:32:45,156 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:32:45" (1/1) ... [2018-06-22 10:32:45,156 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:32:45" (1/1) ... [2018-06-22 10:32:45,186 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:32:45" (1/1) ... [2018-06-22 10:32:45,189 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:32:45" (1/1) ... [2018-06-22 10:32:45,199 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:32:45" (1/1) ... [2018-06-22 10:32:45,209 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:32:45,213 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:32:45,213 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:32:45,213 INFO ]: RCFGBuilder initialized [2018-06-22 10:32:45,214 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:32:45" (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 10:32:45,229 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:32:45,229 INFO ]: Found specification of procedure False [2018-06-22 10:32:45,229 INFO ]: Found implementation of procedure False [2018-06-22 10:32:45,229 INFO ]: Specification and implementation of procedure step_lturn__bar given in one single declaration [2018-06-22 10:32:45,229 INFO ]: Found specification of procedure step_lturn__bar [2018-06-22 10:32:45,229 INFO ]: Found implementation of procedure step_lturn__bar [2018-06-22 10:32:45,229 INFO ]: Specification and implementation of procedure combined_lturn__bar given in one single declaration [2018-06-22 10:32:45,229 INFO ]: Found specification of procedure combined_lturn__bar [2018-06-22 10:32:45,229 INFO ]: Found implementation of procedure combined_lturn__bar [2018-06-22 10:32:45,229 INFO ]: Specification and implementation of procedure lturn__bar given in one single declaration [2018-06-22 10:32:45,230 INFO ]: Found specification of procedure lturn__bar [2018-06-22 10:32:45,230 INFO ]: Found implementation of procedure lturn__bar [2018-06-22 10:32:45,230 INFO ]: Specification and implementation of procedure step_lturn given in one single declaration [2018-06-22 10:32:45,230 INFO ]: Found specification of procedure step_lturn [2018-06-22 10:32:45,230 INFO ]: Found implementation of procedure step_lturn [2018-06-22 10:32:45,230 INFO ]: Specification and implementation of procedure combined_lturn given in one single declaration [2018-06-22 10:32:45,230 INFO ]: Found specification of procedure combined_lturn [2018-06-22 10:32:45,230 INFO ]: Found implementation of procedure combined_lturn [2018-06-22 10:32:45,230 INFO ]: Specification and implementation of procedure lturn given in one single declaration [2018-06-22 10:32:45,230 INFO ]: Found specification of procedure lturn [2018-06-22 10:32:45,230 INFO ]: Found implementation of procedure lturn [2018-06-22 10:32:45,230 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:32:45,230 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:32:45,230 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 10:32:47,230 INFO ]: Using library mode [2018-06-22 10:32:47,231 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:32:47 BoogieIcfgContainer [2018-06-22 10:32:47,231 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:32:47,232 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:32:47,232 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:32:47,236 INFO ]: TraceAbstraction initialized [2018-06-22 10:32:47,236 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:32:44" (1/3) ... [2018-06-22 10:32:47,237 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67434d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:32:47, skipping insertion in model container [2018-06-22 10:32:47,237 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:32:45" (2/3) ... [2018-06-22 10:32:47,237 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67434d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:32:47, skipping insertion in model container [2018-06-22 10:32:47,237 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:32:47" (3/3) ... [2018-06-22 10:32:47,240 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:32:47,250 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:32:47,261 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:32:47,309 INFO ]: Using default assertion order modulation [2018-06-22 10:32:47,309 INFO ]: Interprodecural is true [2018-06-22 10:32:47,310 INFO ]: Hoare is false [2018-06-22 10:32:47,310 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:32:47,310 INFO ]: Backedges is TWOTRACK [2018-06-22 10:32:47,310 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:32:47,310 INFO ]: Difference is false [2018-06-22 10:32:47,310 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:32:47,310 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:32:47,334 INFO ]: Start isEmpty. Operand 162 states. [2018-06-22 10:32:47,373 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:32:47,373 INFO ]: Found error trace [2018-06-22 10:32:47,378 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:32:47,378 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:32:47,383 INFO ]: Analyzing trace with hash 984968004, now seen corresponding path program 1 times [2018-06-22 10:32:47,384 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:32:47,385 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:32:47,419 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:32:47,419 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:32:47,419 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:32:47,664 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:32:48,218 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:32:48,222 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:32:48,222 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-06-22 10:32:48,224 INFO ]: Interpolant automaton has 5 states [2018-06-22 10:32:48,239 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 10:32:48,239 INFO ]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 10:32:48,242 INFO ]: Start difference. First operand 162 states. Second operand 5 states. [2018-06-22 10:32:51,025 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:32:51,025 INFO ]: Finished difference Result 215 states and 595 transitions. [2018-06-22 10:32:51,025 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 10:32:51,027 INFO ]: Start accepts. Automaton has 5 states. Word has length 17 [2018-06-22 10:32:51,027 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:32:51,056 INFO ]: With dead ends: 215 [2018-06-22 10:32:51,056 INFO ]: Without dead ends: 203 [2018-06-22 10:32:51,058 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-06-22 10:32:51,077 INFO ]: Start minimizeSevpa. Operand 203 states. [2018-06-22 10:32:51,272 INFO ]: Finished minimizeSevpa. Reduced states from 203 to 201. [2018-06-22 10:32:51,274 INFO ]: Start removeUnreachable. Operand 201 states. [2018-06-22 10:32:51,290 INFO ]: Finished removeUnreachable. Reduced from 201 states to 201 states and 575 transitions. [2018-06-22 10:32:51,291 INFO ]: Start accepts. Automaton has 201 states and 575 transitions. Word has length 17 [2018-06-22 10:32:51,292 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:32:51,292 INFO ]: Abstraction has 201 states and 575 transitions. [2018-06-22 10:32:51,292 INFO ]: Interpolant automaton has 5 states. [2018-06-22 10:32:51,292 INFO ]: Start isEmpty. Operand 201 states and 575 transitions. [2018-06-22 10:32:51,306 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:32:51,306 INFO ]: Found error trace [2018-06-22 10:32:51,306 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:32:51,307 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:32:51,307 INFO ]: Analyzing trace with hash -1797293046, now seen corresponding path program 1 times [2018-06-22 10:32:51,307 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:32:51,307 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:32:51,308 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:32:51,308 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:32:51,308 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:32:51,351 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:32:51,816 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:32:51,816 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:32:51,816 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:32:51,818 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:32:51,818 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:32:51,818 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:32:51,818 INFO ]: Start difference. First operand 201 states and 575 transitions. Second operand 6 states. [2018-06-22 10:32:53,862 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:32:53,862 INFO ]: Finished difference Result 306 states and 1130 transitions. [2018-06-22 10:32:53,862 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:32:53,862 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:32:53,862 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:32:53,876 INFO ]: With dead ends: 306 [2018-06-22 10:32:53,876 INFO ]: Without dead ends: 306 [2018-06-22 10:32:53,877 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:32:53,877 INFO ]: Start minimizeSevpa. Operand 306 states. [2018-06-22 10:32:54,020 INFO ]: Finished minimizeSevpa. Reduced states from 306 to 300. [2018-06-22 10:32:54,020 INFO ]: Start removeUnreachable. Operand 300 states. [2018-06-22 10:32:54,028 INFO ]: Finished removeUnreachable. Reduced from 300 states to 300 states and 1113 transitions. [2018-06-22 10:32:54,028 INFO ]: Start accepts. Automaton has 300 states and 1113 transitions. Word has length 17 [2018-06-22 10:32:54,028 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:32:54,028 INFO ]: Abstraction has 300 states and 1113 transitions. [2018-06-22 10:32:54,028 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:32:54,028 INFO ]: Start isEmpty. Operand 300 states and 1113 transitions. [2018-06-22 10:32:54,032 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:32:54,032 INFO ]: Found error trace [2018-06-22 10:32:54,032 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:32:54,032 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:32:54,033 INFO ]: Analyzing trace with hash 814336870, now seen corresponding path program 1 times [2018-06-22 10:32:54,033 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:32:54,033 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:32:54,034 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:32:54,034 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:32:54,034 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:32:54,084 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:32:54,280 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:32:54,280 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:32:54,280 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:32:54,281 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:32:54,281 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:32:54,281 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:32:54,281 INFO ]: Start difference. First operand 300 states and 1113 transitions. Second operand 6 states. [2018-06-22 10:32:56,499 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:32:56,499 INFO ]: Finished difference Result 422 states and 1902 transitions. [2018-06-22 10:32:56,500 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:32:56,500 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:32:56,500 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:32:56,516 INFO ]: With dead ends: 422 [2018-06-22 10:32:56,516 INFO ]: Without dead ends: 422 [2018-06-22 10:32:56,516 INFO ]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:32:56,517 INFO ]: Start minimizeSevpa. Operand 422 states. [2018-06-22 10:32:56,698 INFO ]: Finished minimizeSevpa. Reduced states from 422 to 394. [2018-06-22 10:32:56,698 INFO ]: Start removeUnreachable. Operand 394 states. [2018-06-22 10:32:56,708 INFO ]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1813 transitions. [2018-06-22 10:32:56,708 INFO ]: Start accepts. Automaton has 394 states and 1813 transitions. Word has length 17 [2018-06-22 10:32:56,709 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:32:56,709 INFO ]: Abstraction has 394 states and 1813 transitions. [2018-06-22 10:32:56,709 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:32:56,709 INFO ]: Start isEmpty. Operand 394 states and 1813 transitions. [2018-06-22 10:32:56,718 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:32:56,718 INFO ]: Found error trace [2018-06-22 10:32:56,718 INFO ]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:32:56,718 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:32:56,718 INFO ]: Analyzing trace with hash -2083066851, now seen corresponding path program 1 times [2018-06-22 10:32:56,718 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:32:56,718 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:32:56,722 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:32:56,722 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:32:56,722 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:32:56,778 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:32:56,986 INFO ]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-06-22 10:32:56,986 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:32:56,986 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:32:56,992 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:32:57,068 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:32:57,079 INFO ]: Computing forward predicates... [2018-06-22 10:32:57,295 INFO ]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:32:57,319 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:32:57,319 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2018-06-22 10:32:57,319 INFO ]: Interpolant automaton has 11 states [2018-06-22 10:32:57,319 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 10:32:57,319 INFO ]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-06-22 10:32:57,320 INFO ]: Start difference. First operand 394 states and 1813 transitions. Second operand 11 states. [2018-06-22 10:33:02,407 WARN ]: Spent 175.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-06-22 10:33:06,477 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:33:06,477 INFO ]: Finished difference Result 1035 states and 10814 transitions. [2018-06-22 10:33:06,478 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-06-22 10:33:06,478 INFO ]: Start accepts. Automaton has 11 states. Word has length 21 [2018-06-22 10:33:06,478 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:33:06,584 INFO ]: With dead ends: 1035 [2018-06-22 10:33:06,584 INFO ]: Without dead ends: 1035 [2018-06-22 10:33:06,584 INFO ]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2018-06-22 10:33:06,586 INFO ]: Start minimizeSevpa. Operand 1035 states. [2018-06-22 10:33:08,038 INFO ]: Finished minimizeSevpa. Reduced states from 1035 to 1011. [2018-06-22 10:33:08,038 INFO ]: Start removeUnreachable. Operand 1011 states. [2018-06-22 10:33:08,107 INFO ]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 10685 transitions. [2018-06-22 10:33:08,107 INFO ]: Start accepts. Automaton has 1011 states and 10685 transitions. Word has length 21 [2018-06-22 10:33:08,107 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:33:08,107 INFO ]: Abstraction has 1011 states and 10685 transitions. [2018-06-22 10:33:08,107 INFO ]: Interpolant automaton has 11 states. [2018-06-22 10:33:08,107 INFO ]: Start isEmpty. Operand 1011 states and 10685 transitions. [2018-06-22 10:33:08,118 INFO ]: Finished isEmpty. Found accepting run of length 22 [2018-06-22 10:33:08,118 INFO ]: Found error trace [2018-06-22 10:33:08,118 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:33:08,118 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:33:08,119 INFO ]: Analyzing trace with hash 468746160, now seen corresponding path program 1 times [2018-06-22 10:33:08,119 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:33:08,119 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:33:08,120 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:33:08,120 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:33:08,120 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:33:08,170 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:33:08,390 INFO ]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 10:33:08,390 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:33:08,390 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:33:08,390 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:33:08,390 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:33:08,390 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:33:08,390 INFO ]: Start difference. First operand 1011 states and 10685 transitions. Second operand 6 states. [2018-06-22 10:33:09,917 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:33:09,917 INFO ]: Finished difference Result 1098 states and 13498 transitions. [2018-06-22 10:33:09,920 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:33:09,920 INFO ]: Start accepts. Automaton has 6 states. Word has length 21 [2018-06-22 10:33:09,920 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:33:10,042 INFO ]: With dead ends: 1098 [2018-06-22 10:33:10,042 INFO ]: Without dead ends: 1098 [2018-06-22 10:33:10,042 INFO ]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:33:10,043 INFO ]: Start minimizeSevpa. Operand 1098 states. [2018-06-22 10:33:11,549 INFO ]: Finished minimizeSevpa. Reduced states from 1098 to 1083. [2018-06-22 10:33:11,549 INFO ]: Start removeUnreachable. Operand 1083 states. [2018-06-22 10:33:11,623 INFO ]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 13342 transitions. [2018-06-22 10:33:11,623 INFO ]: Start accepts. Automaton has 1083 states and 13342 transitions. Word has length 21 [2018-06-22 10:33:11,623 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:33:11,623 INFO ]: Abstraction has 1083 states and 13342 transitions. [2018-06-22 10:33:11,623 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:33:11,623 INFO ]: Start isEmpty. Operand 1083 states and 13342 transitions. [2018-06-22 10:33:11,635 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 10:33:11,635 INFO ]: Found error trace [2018-06-22 10:33:11,635 INFO ]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:33:11,635 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:33:11,635 INFO ]: Analyzing trace with hash 1793163446, now seen corresponding path program 2 times [2018-06-22 10:33:11,635 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:33:11,635 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:33:11,636 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:33:11,636 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:33:11,636 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:33:11,669 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:33:11,956 INFO ]: Checked inductivity of 19 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-06-22 10:33:11,956 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:33:11,956 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:33:11,963 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 10:33:12,056 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 10:33:12,056 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:33:12,063 INFO ]: Computing forward predicates... [2018-06-22 10:33:12,147 INFO ]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:33:12,167 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:33:12,167 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2018-06-22 10:33:12,167 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:33:12,167 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:33:12,167 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:33:12,168 INFO ]: Start difference. First operand 1083 states and 13342 transitions. Second operand 12 states. [2018-06-22 10:33:29,164 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:33:29,164 INFO ]: Finished difference Result 4428 states and 123290 transitions. [2018-06-22 10:33:29,165 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-06-22 10:33:29,165 INFO ]: Start accepts. Automaton has 12 states. Word has length 25 [2018-06-22 10:33:29,165 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:33:30,608 INFO ]: With dead ends: 4428 [2018-06-22 10:33:30,608 INFO ]: Without dead ends: 4428 [2018-06-22 10:33:30,608 INFO ]: 0 DeclaredPredicates, 64 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=267, Invalid=1373, Unknown=0, NotChecked=0, Total=1640 [2018-06-22 10:33:30,611 INFO ]: Start minimizeSevpa. Operand 4428 states. Received shutdown request... [2018-06-22 10:33:46,841 INFO ]: Finished minimizeSevpa. Reduced states from 4428 to 4376. [2018-06-22 10:33:46,841 INFO ]: Start removeUnreachable. Operand 4376 states. [2018-06-22 10:33:46,842 WARN ]: Verification canceled [2018-06-22 10:33:46,846 WARN ]: Timeout [2018-06-22 10:33:46,846 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:33:46 BoogieIcfgContainer [2018-06-22 10:33:46,846 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:33:46,847 INFO ]: Toolchain (without parser) took 61907.61 ms. Allocated memory was 306.7 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 215.2 MB in the beginning and 654.1 MB in the end (delta: -438.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 10:33:46,848 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 10:33:46,848 INFO ]: ChcToBoogie took 147.98 ms. Allocated memory is still 306.7 MB. Free memory was 215.2 MB in the beginning and 209.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:33:46,848 INFO ]: Boogie Preprocessor took 108.18 ms. Allocated memory is still 306.7 MB. Free memory was 209.2 MB in the beginning and 206.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:33:46,849 INFO ]: RCFGBuilder took 2018.19 ms. Allocated memory was 306.7 MB in the beginning and 324.0 MB in the end (delta: 17.3 MB). Free memory was 206.2 MB in the beginning and 201.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 3.6 GB. [2018-06-22 10:33:46,849 INFO ]: TraceAbstraction took 59614.02 ms. Allocated memory was 324.0 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 201.9 MB in the beginning and 654.1 MB in the end (delta: -452.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 10:33:46,852 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 147.98 ms. Allocated memory is still 306.7 MB. Free memory was 215.2 MB in the beginning and 209.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 108.18 ms. Allocated memory is still 306.7 MB. Free memory was 209.2 MB in the beginning and 206.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 2018.19 ms. Allocated memory was 306.7 MB in the beginning and 324.0 MB in the end (delta: 17.3 MB). Free memory was 206.2 MB in the beginning and 201.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 3.6 GB. * TraceAbstraction took 59614.02 ms. Allocated memory was 324.0 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 201.9 MB in the beginning and 654.1 MB in the end (delta: -452.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [UNKNOWN] : Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 0). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 162 locations, 1 error locations. TIMEOUT Result, 59.5s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 36.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2223 SDtfs, 117 SDslu, 10409 SDs, 0 SdLazy, 23525 SolverSat, 5083 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1083occurred in iteration=5, 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: 19.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 75 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 8032 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1541 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 32/62 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/fortune-full.15.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-33-46-862.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/fortune-full.15.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-33-46-862.csv Completed graceful shutdown