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-half.23.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 10:35:10,769 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 10:35:10,771 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 10:35:10,783 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 10:35:10,783 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 10:35:10,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 10:35:10,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 10:35:10,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 10:35:10,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 10:35:10,789 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 10:35:10,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 10:35:10,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 10:35:10,790 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 10:35:10,792 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 10:35:10,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 10:35:10,793 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 10:35:10,795 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 10:35:10,796 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 10:35:10,798 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 10:35:10,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 10:35:10,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 10:35:10,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 10:35:10,803 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 10:35:10,803 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 10:35:10,804 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 10:35:10,805 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 10:35:10,806 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 10:35:10,806 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 10:35:10,807 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 10:35:10,808 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 10:35:10,808 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 10:35:10,809 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 10:35:10,809 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 10:35:10,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 10:35:10,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 10:35:10,811 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 10:35:10,824 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 10:35:10,825 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 10:35:10,825 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 10:35:10,825 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 10:35:10,826 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 10:35:10,827 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 10:35:10,827 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 10:35:10,827 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 10:35:10,828 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 10:35:10,828 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 10:35:10,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 10:35:10,828 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 10:35:10,829 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 10:35:10,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 10:35:10,829 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 10:35:10,829 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 10:35:10,830 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 10:35:10,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 10:35:10,830 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 10:35:10,832 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 10:35:10,832 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 10:35:10,880 INFO ]: Repository-Root is: /tmp [2018-06-22 10:35:10,894 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 10:35:10,900 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 10:35:10,903 INFO ]: Initializing SmtParser... [2018-06-22 10:35:10,903 INFO ]: SmtParser initialized [2018-06-22 10:35:10,904 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/fortune-half.23.smt2 [2018-06-22 10:35:10,905 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 10:35:10,999 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/fortune-half.23.smt2 unknown [2018-06-22 10:35:11,473 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/fortune-half.23.smt2 [2018-06-22 10:35:11,478 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 10:35:11,484 INFO ]: Walking toolchain with 4 elements. [2018-06-22 10:35:11,485 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 10:35:11,485 INFO ]: Initializing ChcToBoogie... [2018-06-22 10:35:11,485 INFO ]: ChcToBoogie initialized [2018-06-22 10:35:11,490 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:35:11" (1/1) ... [2018-06-22 10:35:11,624 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:35:11 Unit [2018-06-22 10:35:11,624 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 10:35:11,625 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 10:35:11,625 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 10:35:11,625 INFO ]: Boogie Preprocessor initialized [2018-06-22 10:35:11,667 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:35:11" (1/1) ... [2018-06-22 10:35:11,667 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:35:11" (1/1) ... [2018-06-22 10:35:11,697 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:35:11" (1/1) ... [2018-06-22 10:35:11,697 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:35:11" (1/1) ... [2018-06-22 10:35:11,717 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:35:11" (1/1) ... [2018-06-22 10:35:11,725 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:35:11" (1/1) ... [2018-06-22 10:35:11,728 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:35:11" (1/1) ... [2018-06-22 10:35:11,736 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 10:35:11,737 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 10:35:11,737 INFO ]: Initializing RCFGBuilder... [2018-06-22 10:35:11,737 INFO ]: RCFGBuilder initialized [2018-06-22 10:35:11,738 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:35:11" (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 10:35:11,757 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 10:35:11,757 INFO ]: Found specification of procedure False [2018-06-22 10:35:11,757 INFO ]: Found implementation of procedure False [2018-06-22 10:35:11,757 INFO ]: Specification and implementation of procedure combined_lturn__bar given in one single declaration [2018-06-22 10:35:11,757 INFO ]: Found specification of procedure combined_lturn__bar [2018-06-22 10:35:11,757 INFO ]: Found implementation of procedure combined_lturn__bar [2018-06-22 10:35:11,757 INFO ]: Specification and implementation of procedure lturn__bar given in one single declaration [2018-06-22 10:35:11,757 INFO ]: Found specification of procedure lturn__bar [2018-06-22 10:35:11,757 INFO ]: Found implementation of procedure lturn__bar [2018-06-22 10:35:11,757 INFO ]: Specification and implementation of procedure step_lturn given in one single declaration [2018-06-22 10:35:11,757 INFO ]: Found specification of procedure step_lturn [2018-06-22 10:35:11,757 INFO ]: Found implementation of procedure step_lturn [2018-06-22 10:35:11,757 INFO ]: Specification and implementation of procedure step_lturn__bar given in one single declaration [2018-06-22 10:35:11,757 INFO ]: Found specification of procedure step_lturn__bar [2018-06-22 10:35:11,757 INFO ]: Found implementation of procedure step_lturn__bar [2018-06-22 10:35:11,757 INFO ]: Specification and implementation of procedure combined_lturn given in one single declaration [2018-06-22 10:35:11,757 INFO ]: Found specification of procedure combined_lturn [2018-06-22 10:35:11,757 INFO ]: Found implementation of procedure combined_lturn [2018-06-22 10:35:11,757 INFO ]: Specification and implementation of procedure lturn given in one single declaration [2018-06-22 10:35:11,757 INFO ]: Found specification of procedure lturn [2018-06-22 10:35:11,757 INFO ]: Found implementation of procedure lturn [2018-06-22 10:35:11,757 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 10:35:11,757 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 10:35:11,757 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 10:35:12,656 INFO ]: Using library mode [2018-06-22 10:35:12,656 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:35:12 BoogieIcfgContainer [2018-06-22 10:35:12,657 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 10:35:12,660 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 10:35:12,660 INFO ]: Initializing TraceAbstraction... [2018-06-22 10:35:12,669 INFO ]: TraceAbstraction initialized [2018-06-22 10:35:12,669 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 10:35:11" (1/3) ... [2018-06-22 10:35:12,670 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c56e78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 10:35:12, skipping insertion in model container [2018-06-22 10:35:12,670 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 10:35:11" (2/3) ... [2018-06-22 10:35:12,670 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c56e78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 10:35:12, skipping insertion in model container [2018-06-22 10:35:12,670 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 10:35:12" (3/3) ... [2018-06-22 10:35:12,673 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 10:35:12,682 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 10:35:12,694 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 10:35:12,734 INFO ]: Using default assertion order modulation [2018-06-22 10:35:12,734 INFO ]: Interprodecural is true [2018-06-22 10:35:12,735 INFO ]: Hoare is false [2018-06-22 10:35:12,735 INFO ]: Compute interpolants for FPandBP [2018-06-22 10:35:12,735 INFO ]: Backedges is TWOTRACK [2018-06-22 10:35:12,735 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 10:35:12,735 INFO ]: Difference is false [2018-06-22 10:35:12,735 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 10:35:12,735 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 10:35:12,757 INFO ]: Start isEmpty. Operand 162 states. [2018-06-22 10:35:12,818 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:35:12,818 INFO ]: Found error trace [2018-06-22 10:35:12,819 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:35:12,819 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:35:12,825 INFO ]: Analyzing trace with hash 1083079738, now seen corresponding path program 1 times [2018-06-22 10:35:12,826 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:35:12,827 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:35:12,863 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:12,863 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:35:12,863 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:12,902 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:35:12,997 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:35:13,019 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:35:13,019 INFO ]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-06-22 10:35:13,021 INFO ]: Interpolant automaton has 2 states [2018-06-22 10:35:13,034 INFO ]: Constructing interpolant automaton starting with 2 interpolants. [2018-06-22 10:35:13,034 INFO ]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-06-22 10:35:13,036 INFO ]: Start difference. First operand 162 states. Second operand 2 states. [2018-06-22 10:35:13,087 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:35:13,088 INFO ]: Finished difference Result 153 states and 313 transitions. [2018-06-22 10:35:13,088 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-06-22 10:35:13,089 INFO ]: Start accepts. Automaton has 2 states. Word has length 17 [2018-06-22 10:35:13,089 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:35:13,109 INFO ]: With dead ends: 153 [2018-06-22 10:35:13,127 INFO ]: Without dead ends: 143 [2018-06-22 10:35:13,129 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 10:35:13,149 INFO ]: Start minimizeSevpa. Operand 143 states. [2018-06-22 10:35:13,241 INFO ]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-06-22 10:35:13,242 INFO ]: Start removeUnreachable. Operand 143 states. [2018-06-22 10:35:13,248 INFO ]: Finished removeUnreachable. Reduced from 143 states to 143 states and 299 transitions. [2018-06-22 10:35:13,250 INFO ]: Start accepts. Automaton has 143 states and 299 transitions. Word has length 17 [2018-06-22 10:35:13,251 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:35:13,251 INFO ]: Abstraction has 143 states and 299 transitions. [2018-06-22 10:35:13,251 INFO ]: Interpolant automaton has 2 states. [2018-06-22 10:35:13,251 INFO ]: Start isEmpty. Operand 143 states and 299 transitions. [2018-06-22 10:35:13,257 INFO ]: Finished isEmpty. Found accepting run of length 18 [2018-06-22 10:35:13,257 INFO ]: Found error trace [2018-06-22 10:35:13,258 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:35:13,258 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:35:13,258 INFO ]: Analyzing trace with hash 876526379, now seen corresponding path program 1 times [2018-06-22 10:35:13,258 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:35:13,258 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:35:13,259 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:13,259 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:35:13,259 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:13,350 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:35:13,778 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 10:35:13,779 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 10:35:13,779 INFO ]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-06-22 10:35:13,780 INFO ]: Interpolant automaton has 6 states [2018-06-22 10:35:13,780 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 10:35:13,781 INFO ]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-06-22 10:35:13,784 INFO ]: Start difference. First operand 143 states and 299 transitions. Second operand 6 states. [2018-06-22 10:35:17,546 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:35:17,546 INFO ]: Finished difference Result 267 states and 755 transitions. [2018-06-22 10:35:17,546 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 10:35:17,546 INFO ]: Start accepts. Automaton has 6 states. Word has length 17 [2018-06-22 10:35:17,546 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:35:17,561 INFO ]: With dead ends: 267 [2018-06-22 10:35:17,561 INFO ]: Without dead ends: 267 [2018-06-22 10:35:17,561 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 10:35:17,562 INFO ]: Start minimizeSevpa. Operand 267 states. [2018-06-22 10:35:17,695 INFO ]: Finished minimizeSevpa. Reduced states from 267 to 248. [2018-06-22 10:35:17,695 INFO ]: Start removeUnreachable. Operand 248 states. [2018-06-22 10:35:17,702 INFO ]: Finished removeUnreachable. Reduced from 248 states to 248 states and 702 transitions. [2018-06-22 10:35:17,702 INFO ]: Start accepts. Automaton has 248 states and 702 transitions. Word has length 17 [2018-06-22 10:35:17,702 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:35:17,702 INFO ]: Abstraction has 248 states and 702 transitions. [2018-06-22 10:35:17,702 INFO ]: Interpolant automaton has 6 states. [2018-06-22 10:35:17,702 INFO ]: Start isEmpty. Operand 248 states and 702 transitions. [2018-06-22 10:35:17,711 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 10:35:17,711 INFO ]: Found error trace [2018-06-22 10:35:17,711 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:35:17,711 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:35:17,711 INFO ]: Analyzing trace with hash 1825680217, now seen corresponding path program 1 times [2018-06-22 10:35:17,711 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:35:17,711 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:35:17,712 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:17,712 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:35:17,712 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:17,750 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:35:17,908 INFO ]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-06-22 10:35:17,908 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:35:17,908 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 10:35:17,914 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:35:17,981 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:35:17,993 INFO ]: Computing forward predicates... [2018-06-22 10:35:18,227 INFO ]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-06-22 10:35:18,260 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:35:18,288 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-06-22 10:35:18,289 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:35:18,289 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:35:18,289 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:35:18,289 INFO ]: Start difference. First operand 248 states and 702 transitions. Second operand 14 states. [2018-06-22 10:35:27,673 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:35:27,673 INFO ]: Finished difference Result 769 states and 5569 transitions. [2018-06-22 10:35:27,673 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-06-22 10:35:27,673 INFO ]: Start accepts. Automaton has 14 states. Word has length 25 [2018-06-22 10:35:27,673 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:35:27,729 INFO ]: With dead ends: 769 [2018-06-22 10:35:27,729 INFO ]: Without dead ends: 769 [2018-06-22 10:35:27,729 INFO ]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2018-06-22 10:35:27,731 INFO ]: Start minimizeSevpa. Operand 769 states. [2018-06-22 10:35:28,585 INFO ]: Finished minimizeSevpa. Reduced states from 769 to 668. [2018-06-22 10:35:28,585 INFO ]: Start removeUnreachable. Operand 668 states. [2018-06-22 10:35:28,607 INFO ]: Finished removeUnreachable. Reduced from 668 states to 668 states and 4721 transitions. [2018-06-22 10:35:28,607 INFO ]: Start accepts. Automaton has 668 states and 4721 transitions. Word has length 25 [2018-06-22 10:35:28,607 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:35:28,607 INFO ]: Abstraction has 668 states and 4721 transitions. [2018-06-22 10:35:28,607 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:35:28,607 INFO ]: Start isEmpty. Operand 668 states and 4721 transitions. [2018-06-22 10:35:28,617 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 10:35:28,618 INFO ]: Found error trace [2018-06-22 10:35:28,618 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:35:28,619 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:35:28,619 INFO ]: Analyzing trace with hash -1252066138, now seen corresponding path program 1 times [2018-06-22 10:35:28,619 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:35:28,619 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:35:28,620 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:28,620 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:35:28,620 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:28,660 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:35:28,858 INFO ]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-06-22 10:35:28,858 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:35:28,858 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) [2018-06-22 10:35:28,872 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:35:28,918 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:35:28,922 INFO ]: Computing forward predicates... [2018-06-22 10:35:29,302 INFO ]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-06-22 10:35:29,323 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:35:29,323 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-06-22 10:35:29,323 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:35:29,323 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:35:29,323 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:35:29,323 INFO ]: Start difference. First operand 668 states and 4721 transitions. Second operand 14 states. [2018-06-22 10:35:33,159 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:35:33,159 INFO ]: Finished difference Result 1199 states and 16737 transitions. [2018-06-22 10:35:33,160 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-06-22 10:35:33,160 INFO ]: Start accepts. Automaton has 14 states. Word has length 25 [2018-06-22 10:35:33,160 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:35:33,287 INFO ]: With dead ends: 1199 [2018-06-22 10:35:33,287 INFO ]: Without dead ends: 1199 [2018-06-22 10:35:33,288 INFO ]: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2018-06-22 10:35:33,289 INFO ]: Start minimizeSevpa. Operand 1199 states. [2018-06-22 10:35:34,783 INFO ]: Finished minimizeSevpa. Reduced states from 1199 to 1173. [2018-06-22 10:35:34,783 INFO ]: Start removeUnreachable. Operand 1173 states. [2018-06-22 10:35:34,880 INFO ]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 16339 transitions. [2018-06-22 10:35:34,880 INFO ]: Start accepts. Automaton has 1173 states and 16339 transitions. Word has length 25 [2018-06-22 10:35:34,880 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:35:34,880 INFO ]: Abstraction has 1173 states and 16339 transitions. [2018-06-22 10:35:34,880 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:35:34,880 INFO ]: Start isEmpty. Operand 1173 states and 16339 transitions. [2018-06-22 10:35:34,893 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 10:35:34,893 INFO ]: Found error trace [2018-06-22 10:35:34,893 INFO ]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:35:34,893 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:35:34,894 INFO ]: Analyzing trace with hash 1210130946, now seen corresponding path program 1 times [2018-06-22 10:35:34,894 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:35:34,894 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:35:34,894 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:34,894 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:35:34,895 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:34,927 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:35:35,357 INFO ]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-06-22 10:35:35,357 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:35:35,357 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 10:35:35,366 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:35:35,405 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:35:35,407 INFO ]: Computing forward predicates... [2018-06-22 10:35:35,488 INFO ]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-06-22 10:35:35,507 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:35:35,507 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-06-22 10:35:35,508 INFO ]: Interpolant automaton has 14 states [2018-06-22 10:35:35,508 INFO ]: Constructing interpolant automaton starting with 14 interpolants. [2018-06-22 10:35:35,508 INFO ]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-06-22 10:35:35,508 INFO ]: Start difference. First operand 1173 states and 16339 transitions. Second operand 14 states. [2018-06-22 10:35:39,982 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:35:39,983 INFO ]: Finished difference Result 2071 states and 41882 transitions. [2018-06-22 10:35:39,983 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-06-22 10:35:39,983 INFO ]: Start accepts. Automaton has 14 states. Word has length 25 [2018-06-22 10:35:39,983 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:35:40,163 INFO ]: With dead ends: 2071 [2018-06-22 10:35:40,163 INFO ]: Without dead ends: 2071 [2018-06-22 10:35:40,163 INFO ]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2018-06-22 10:35:40,165 INFO ]: Start minimizeSevpa. Operand 2071 states. [2018-06-22 10:35:43,687 INFO ]: Finished minimizeSevpa. Reduced states from 2071 to 1945. [2018-06-22 10:35:43,687 INFO ]: Start removeUnreachable. Operand 1945 states. [2018-06-22 10:35:43,957 INFO ]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 38570 transitions. [2018-06-22 10:35:43,958 INFO ]: Start accepts. Automaton has 1945 states and 38570 transitions. Word has length 25 [2018-06-22 10:35:43,958 INFO ]: Finished accepts. word is rejected. [2018-06-22 10:35:43,958 INFO ]: Abstraction has 1945 states and 38570 transitions. [2018-06-22 10:35:43,958 INFO ]: Interpolant automaton has 14 states. [2018-06-22 10:35:43,958 INFO ]: Start isEmpty. Operand 1945 states and 38570 transitions. [2018-06-22 10:35:43,972 INFO ]: Finished isEmpty. Found accepting run of length 26 [2018-06-22 10:35:43,973 INFO ]: Found error trace [2018-06-22 10:35:43,973 INFO ]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 10:35:43,973 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 10:35:43,974 INFO ]: Analyzing trace with hash -1602886432, now seen corresponding path program 1 times [2018-06-22 10:35:43,974 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 10:35:43,974 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 10:35:43,975 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:43,975 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:35:43,975 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 10:35:43,998 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:35:44,222 INFO ]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:35:44,222 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 10:35:44,222 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 10:35:44,229 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 10:35:44,258 INFO ]: Conjunction of SSA is unsat [2018-06-22 10:35:44,260 INFO ]: Computing forward predicates... [2018-06-22 10:35:44,398 INFO ]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-06-22 10:35:44,417 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 10:35:44,418 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2018-06-22 10:35:44,418 INFO ]: Interpolant automaton has 12 states [2018-06-22 10:35:44,418 INFO ]: Constructing interpolant automaton starting with 12 interpolants. [2018-06-22 10:35:44,418 INFO ]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-06-22 10:35:44,418 INFO ]: Start difference. First operand 1945 states and 38570 transitions. Second operand 12 states. [2018-06-22 10:36:10,142 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 10:36:10,142 INFO ]: Finished difference Result 4919 states and 202865 transitions. [2018-06-22 10:36:10,142 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-06-22 10:36:10,142 INFO ]: Start accepts. Automaton has 12 states. Word has length 25 [2018-06-22 10:36:10,142 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 10:36:11,794 INFO ]: With dead ends: 4919 [2018-06-22 10:36:11,794 INFO ]: Without dead ends: 4919 [2018-06-22 10:36:11,794 INFO ]: 0 DeclaredPredicates, 67 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=141, Invalid=981, Unknown=0, NotChecked=0, Total=1122 [2018-06-22 10:36:11,797 INFO ]: Start minimizeSevpa. Operand 4919 states. Received shutdown request... [2018-06-22 10:36:15,262 WARN ]: Verification canceled [2018-06-22 10:36:15,267 WARN ]: Timeout [2018-06-22 10:36:15,267 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 10:36:15 BoogieIcfgContainer [2018-06-22 10:36:15,267 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 10:36:15,268 INFO ]: Toolchain (without parser) took 63788.89 ms. Allocated memory was 306.7 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 248.1 MB in the beginning and 741.1 MB in the end (delta: -493.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 10:36:15,270 INFO ]: SmtParser took 0.07 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 10:36:15,271 INFO ]: ChcToBoogie took 139.70 ms. Allocated memory is still 306.7 MB. Free memory was 248.1 MB in the beginning and 244.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:36:15,271 INFO ]: Boogie Preprocessor took 111.47 ms. Allocated memory is still 306.7 MB. Free memory was 244.2 MB in the beginning and 242.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:36:15,271 INFO ]: RCFGBuilder took 919.61 ms. Allocated memory is still 306.7 MB. Free memory was 242.2 MB in the beginning and 194.2 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 3.6 GB. [2018-06-22 10:36:15,272 INFO ]: TraceAbstraction took 62607.14 ms. Allocated memory was 306.7 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 194.2 MB in the beginning and 741.1 MB in the end (delta: -547.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 10:36:15,276 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 306.7 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 139.70 ms. Allocated memory is still 306.7 MB. Free memory was 248.1 MB in the beginning and 244.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 111.47 ms. Allocated memory is still 306.7 MB. Free memory was 244.2 MB in the beginning and 242.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 919.61 ms. Allocated memory is still 306.7 MB. Free memory was 242.2 MB in the beginning and 194.2 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 62607.14 ms. Allocated memory was 306.7 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 194.2 MB in the beginning and 741.1 MB in the end (delta: -547.0 MB). Peak memory consumption was 1.4 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 executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 162 locations, 1 error locations. TIMEOUT Result, 62.5s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 49.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3102 SDtfs, 182 SDslu, 20641 SDs, 0 SdLazy, 46030 SolverSat, 5970 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1945occurred 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: 9.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 272 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 12432 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1206 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 38/98 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-half.23.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_10-36-15-286.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/fortune-half.23.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_10-36-15-286.csv Completed graceful shutdown