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_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan-full.34.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 00:45:11,731 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 00:45:11,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 00:45:11,747 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 00:45:11,748 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 00:45:11,748 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 00:45:11,749 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 00:45:11,751 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 00:45:11,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 00:45:11,753 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 00:45:11,755 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 00:45:11,755 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 00:45:11,756 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 00:45:11,757 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 00:45:11,760 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 00:45:11,761 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 00:45:11,762 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 00:45:11,776 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 00:45:11,777 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 00:45:11,778 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 00:45:11,779 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 00:45:11,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 00:45:11,781 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 00:45:11,781 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 00:45:11,782 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 00:45:11,783 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 00:45:11,789 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 00:45:11,790 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 00:45:11,791 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 00:45:11,791 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 00:45:11,792 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 00:45:11,792 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 00:45:11,793 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 00:45:11,793 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 00:45:11,794 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 00:45:11,794 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 00:45:11,809 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 00:45:11,809 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 00:45:11,810 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 00:45:11,810 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 00:45:11,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 00:45:11,811 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 00:45:11,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 00:45:11,811 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 00:45:11,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 00:45:11,812 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 00:45:11,812 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 00:45:11,812 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 00:45:11,812 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 00:45:11,812 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 00:45:11,813 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 00:45:11,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 00:45:11,813 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 00:45:11,815 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 00:45:11,815 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 00:45:11,864 INFO ]: Repository-Root is: /tmp [2018-06-22 00:45:11,878 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 00:45:11,884 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 00:45:11,885 INFO ]: Initializing SmtParser... [2018-06-22 00:45:11,886 INFO ]: SmtParser initialized [2018-06-22 00:45:11,886 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan-full.34.smt2 [2018-06-22 00:45:11,888 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 00:45:11,973 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan-full.34.smt2 unknown [2018-06-22 00:45:12,379 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/Consistency/graham-scan-full.34.smt2 [2018-06-22 00:45:12,388 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 00:45:12,394 INFO ]: Walking toolchain with 4 elements. [2018-06-22 00:45:12,395 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 00:45:12,395 INFO ]: Initializing ChcToBoogie... [2018-06-22 00:45:12,395 INFO ]: ChcToBoogie initialized [2018-06-22 00:45:12,398 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:45:12" (1/1) ... [2018-06-22 00:45:12,490 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:45:12 Unit [2018-06-22 00:45:12,490 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 00:45:12,490 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 00:45:12,490 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 00:45:12,490 INFO ]: Boogie Preprocessor initialized [2018-06-22 00:45:12,508 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:45:12" (1/1) ... [2018-06-22 00:45:12,508 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:45:12" (1/1) ... [2018-06-22 00:45:12,522 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:45:12" (1/1) ... [2018-06-22 00:45:12,523 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:45:12" (1/1) ... [2018-06-22 00:45:12,541 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:45:12" (1/1) ... [2018-06-22 00:45:12,545 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:45:12" (1/1) ... [2018-06-22 00:45:12,550 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:45:12" (1/1) ... [2018-06-22 00:45:12,565 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 00:45:12,566 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 00:45:12,566 INFO ]: Initializing RCFGBuilder... [2018-06-22 00:45:12,566 INFO ]: RCFGBuilder initialized [2018-06-22 00:45:12,567 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:45:12" (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 00:45:12,589 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 00:45:12,589 INFO ]: Found specification of procedure gotoProc [2018-06-22 00:45:12,589 INFO ]: Found implementation of procedure gotoProc [2018-06-22 00:45:12,589 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 00:45:12,589 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 00:45:12,589 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 00:45:14,097 INFO ]: Using library mode [2018-06-22 00:45:14,098 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:45:14 BoogieIcfgContainer [2018-06-22 00:45:14,098 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 00:45:14,099 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 00:45:14,099 INFO ]: Initializing TraceAbstraction... [2018-06-22 00:45:14,102 INFO ]: TraceAbstraction initialized [2018-06-22 00:45:14,103 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:45:12" (1/3) ... [2018-06-22 00:45:14,104 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ffadc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 12:45:14, skipping insertion in model container [2018-06-22 00:45:14,104 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:45:12" (2/3) ... [2018-06-22 00:45:14,104 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ffadc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:45:14, skipping insertion in model container [2018-06-22 00:45:14,104 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:45:14" (3/3) ... [2018-06-22 00:45:14,106 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 00:45:14,115 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 00:45:14,126 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 00:45:14,184 INFO ]: Using default assertion order modulation [2018-06-22 00:45:14,184 INFO ]: Interprodecural is true [2018-06-22 00:45:14,184 INFO ]: Hoare is false [2018-06-22 00:45:14,184 INFO ]: Compute interpolants for FPandBP [2018-06-22 00:45:14,184 INFO ]: Backedges is TWOTRACK [2018-06-22 00:45:14,184 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 00:45:14,184 INFO ]: Difference is false [2018-06-22 00:45:14,184 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 00:45:14,184 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 00:45:14,208 INFO ]: Start isEmpty. Operand 145 states. [2018-06-22 00:45:14,232 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 00:45:14,232 INFO ]: Found error trace [2018-06-22 00:45:14,233 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 00:45:14,233 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 00:45:14,238 INFO ]: Analyzing trace with hash -1422734513, now seen corresponding path program 1 times [2018-06-22 00:45:14,239 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 00:45:14,239 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 00:45:14,272 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:14,273 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 00:45:14,273 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:14,323 INFO ]: Conjunction of SSA is unsat [2018-06-22 00:45:14,568 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 00:45:14,570 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 00:45:14,570 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 00:45:14,571 INFO ]: Interpolant automaton has 4 states [2018-06-22 00:45:14,584 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 00:45:14,585 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 00:45:14,587 INFO ]: Start difference. First operand 145 states. Second operand 4 states. [2018-06-22 00:45:17,352 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 00:45:17,352 INFO ]: Finished difference Result 283 states and 547 transitions. [2018-06-22 00:45:17,352 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 00:45:17,353 INFO ]: Start accepts. Automaton has 4 states. Word has length 8 [2018-06-22 00:45:17,353 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 00:45:17,399 INFO ]: With dead ends: 283 [2018-06-22 00:45:17,399 INFO ]: Without dead ends: 281 [2018-06-22 00:45:17,401 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-22 00:45:17,419 INFO ]: Start minimizeSevpa. Operand 281 states. [2018-06-22 00:45:17,535 INFO ]: Finished minimizeSevpa. Reduced states from 281 to 281. [2018-06-22 00:45:17,536 INFO ]: Start removeUnreachable. Operand 281 states. [2018-06-22 00:45:17,581 INFO ]: Finished removeUnreachable. Reduced from 281 states to 281 states and 545 transitions. [2018-06-22 00:45:17,583 INFO ]: Start accepts. Automaton has 281 states and 545 transitions. Word has length 8 [2018-06-22 00:45:17,584 INFO ]: Finished accepts. word is rejected. [2018-06-22 00:45:17,584 INFO ]: Abstraction has 281 states and 545 transitions. [2018-06-22 00:45:17,584 INFO ]: Interpolant automaton has 4 states. [2018-06-22 00:45:17,584 INFO ]: Start isEmpty. Operand 281 states and 545 transitions. [2018-06-22 00:45:17,592 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 00:45:17,592 INFO ]: Found error trace [2018-06-22 00:45:17,592 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 00:45:17,592 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 00:45:17,593 INFO ]: Analyzing trace with hash -1268253222, now seen corresponding path program 1 times [2018-06-22 00:45:17,593 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 00:45:17,593 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 00:45:17,593 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:17,593 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 00:45:17,593 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:17,600 INFO ]: Conjunction of SSA is unsat [2018-06-22 00:45:17,770 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 00:45:17,770 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 00:45:17,770 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 00:45:17,772 INFO ]: Interpolant automaton has 4 states [2018-06-22 00:45:17,772 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 00:45:17,772 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 00:45:17,772 INFO ]: Start difference. First operand 281 states and 545 transitions. Second operand 4 states. [2018-06-22 00:45:19,397 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 00:45:19,397 INFO ]: Finished difference Result 420 states and 816 transitions. [2018-06-22 00:45:19,397 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-22 00:45:19,397 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 00:45:19,397 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 00:45:19,426 INFO ]: With dead ends: 420 [2018-06-22 00:45:19,426 INFO ]: Without dead ends: 420 [2018-06-22 00:45:19,427 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-22 00:45:19,427 INFO ]: Start minimizeSevpa. Operand 420 states. [2018-06-22 00:45:19,498 INFO ]: Finished minimizeSevpa. Reduced states from 420 to 420. [2018-06-22 00:45:19,498 INFO ]: Start removeUnreachable. Operand 420 states. [2018-06-22 00:45:19,516 INFO ]: Finished removeUnreachable. Reduced from 420 states to 420 states and 816 transitions. [2018-06-22 00:45:19,517 INFO ]: Start accepts. Automaton has 420 states and 816 transitions. Word has length 9 [2018-06-22 00:45:19,517 INFO ]: Finished accepts. word is rejected. [2018-06-22 00:45:19,517 INFO ]: Abstraction has 420 states and 816 transitions. [2018-06-22 00:45:19,517 INFO ]: Interpolant automaton has 4 states. [2018-06-22 00:45:19,517 INFO ]: Start isEmpty. Operand 420 states and 816 transitions. [2018-06-22 00:45:19,546 INFO ]: Finished isEmpty. Found accepting run of length 19 [2018-06-22 00:45:19,546 INFO ]: Found error trace [2018-06-22 00:45:19,546 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 00:45:19,546 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 00:45:19,548 INFO ]: Analyzing trace with hash 1911230611, now seen corresponding path program 1 times [2018-06-22 00:45:19,548 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 00:45:19,548 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 00:45:19,549 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:19,549 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 00:45:19,549 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:19,603 INFO ]: Conjunction of SSA is unsat [2018-06-22 00:45:19,972 INFO ]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 00:45:19,972 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 00:45:19,972 INFO ]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-06-22 00:45:19,973 INFO ]: Interpolant automaton has 7 states [2018-06-22 00:45:19,973 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 00:45:19,973 INFO ]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-06-22 00:45:19,973 INFO ]: Start difference. First operand 420 states and 816 transitions. Second operand 7 states. [2018-06-22 00:45:28,752 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 00:45:28,752 INFO ]: Finished difference Result 1507 states and 8970 transitions. [2018-06-22 00:45:28,752 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-06-22 00:45:28,752 INFO ]: Start accepts. Automaton has 7 states. Word has length 18 [2018-06-22 00:45:28,752 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 00:45:29,220 INFO ]: With dead ends: 1507 [2018-06-22 00:45:29,220 INFO ]: Without dead ends: 1497 [2018-06-22 00:45:29,220 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-06-22 00:45:29,221 INFO ]: Start minimizeSevpa. Operand 1497 states. [2018-06-22 00:45:29,961 INFO ]: Finished minimizeSevpa. Reduced states from 1497 to 883. [2018-06-22 00:45:29,961 INFO ]: Start removeUnreachable. Operand 883 states. [2018-06-22 00:45:30,023 INFO ]: Finished removeUnreachable. Reduced from 883 states to 883 states and 2426 transitions. [2018-06-22 00:45:30,024 INFO ]: Start accepts. Automaton has 883 states and 2426 transitions. Word has length 18 [2018-06-22 00:45:30,024 INFO ]: Finished accepts. word is rejected. [2018-06-22 00:45:30,024 INFO ]: Abstraction has 883 states and 2426 transitions. [2018-06-22 00:45:30,024 INFO ]: Interpolant automaton has 7 states. [2018-06-22 00:45:30,024 INFO ]: Start isEmpty. Operand 883 states and 2426 transitions. [2018-06-22 00:45:30,059 INFO ]: Finished isEmpty. Found accepting run of length 19 [2018-06-22 00:45:30,059 INFO ]: Found error trace [2018-06-22 00:45:30,059 INFO ]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 00:45:30,059 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 00:45:30,060 INFO ]: Analyzing trace with hash -538064807, now seen corresponding path program 1 times [2018-06-22 00:45:30,060 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 00:45:30,060 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 00:45:30,061 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:30,061 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 00:45:30,061 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:30,119 INFO ]: Conjunction of SSA is unsat [2018-06-22 00:45:30,797 INFO ]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-22 00:45:30,797 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 00:45:30,797 INFO ]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-06-22 00:45:30,797 INFO ]: Interpolant automaton has 8 states [2018-06-22 00:45:30,798 INFO ]: Constructing interpolant automaton starting with 8 interpolants. [2018-06-22 00:45:30,798 INFO ]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-06-22 00:45:30,798 INFO ]: Start difference. First operand 883 states and 2426 transitions. Second operand 8 states. [2018-06-22 00:45:38,495 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 00:45:38,495 INFO ]: Finished difference Result 3334 states and 23406 transitions. [2018-06-22 00:45:38,495 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-06-22 00:45:38,495 INFO ]: Start accepts. Automaton has 8 states. Word has length 18 [2018-06-22 00:45:38,495 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 00:45:39,802 INFO ]: With dead ends: 3334 [2018-06-22 00:45:39,802 INFO ]: Without dead ends: 3306 [2018-06-22 00:45:39,803 INFO ]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2018-06-22 00:45:39,805 INFO ]: Start minimizeSevpa. Operand 3306 states. [2018-06-22 00:45:42,146 INFO ]: Finished minimizeSevpa. Reduced states from 3306 to 1796. [2018-06-22 00:45:42,148 INFO ]: Start removeUnreachable. Operand 1796 states. [2018-06-22 00:45:42,331 INFO ]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 5345 transitions. [2018-06-22 00:45:42,332 INFO ]: Start accepts. Automaton has 1796 states and 5345 transitions. Word has length 18 [2018-06-22 00:45:42,332 INFO ]: Finished accepts. word is rejected. [2018-06-22 00:45:42,332 INFO ]: Abstraction has 1796 states and 5345 transitions. [2018-06-22 00:45:42,332 INFO ]: Interpolant automaton has 8 states. [2018-06-22 00:45:42,332 INFO ]: Start isEmpty. Operand 1796 states and 5345 transitions. [2018-06-22 00:45:42,388 INFO ]: Finished isEmpty. Found accepting run of length 19 [2018-06-22 00:45:42,388 INFO ]: Found error trace [2018-06-22 00:45:42,388 INFO ]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 00:45:42,388 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 00:45:42,389 INFO ]: Analyzing trace with hash -345474700, now seen corresponding path program 1 times [2018-06-22 00:45:42,390 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 00:45:42,390 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 00:45:42,390 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:42,390 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 00:45:42,390 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:42,416 INFO ]: Conjunction of SSA is unsat [2018-06-22 00:45:42,551 INFO ]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-22 00:45:42,551 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 00:45:42,551 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 00:45:42,558 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 00:45:42,639 INFO ]: Conjunction of SSA is unsat [2018-06-22 00:45:42,652 INFO ]: Computing forward predicates... [2018-06-22 00:45:42,759 INFO ]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-06-22 00:45:42,791 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 00:45:42,791 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2018-06-22 00:45:42,791 INFO ]: Interpolant automaton has 10 states [2018-06-22 00:45:42,791 INFO ]: Constructing interpolant automaton starting with 10 interpolants. [2018-06-22 00:45:42,791 INFO ]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-06-22 00:45:42,791 INFO ]: Start difference. First operand 1796 states and 5345 transitions. Second operand 10 states. [2018-06-22 00:45:47,499 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 00:45:47,499 INFO ]: Finished difference Result 2697 states and 10398 transitions. [2018-06-22 00:45:47,500 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-06-22 00:45:47,500 INFO ]: Start accepts. Automaton has 10 states. Word has length 18 [2018-06-22 00:45:47,500 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 00:45:47,993 INFO ]: With dead ends: 2697 [2018-06-22 00:45:47,993 INFO ]: Without dead ends: 2501 [2018-06-22 00:45:47,994 INFO ]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-06-22 00:45:47,995 INFO ]: Start minimizeSevpa. Operand 2501 states. [2018-06-22 00:45:49,020 INFO ]: Finished minimizeSevpa. Reduced states from 2501 to 2152. [2018-06-22 00:45:49,020 INFO ]: Start removeUnreachable. Operand 2152 states. [2018-06-22 00:45:49,484 INFO ]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 6789 transitions. [2018-06-22 00:45:49,484 INFO ]: Start accepts. Automaton has 2152 states and 6789 transitions. Word has length 18 [2018-06-22 00:45:49,484 INFO ]: Finished accepts. word is rejected. [2018-06-22 00:45:49,484 INFO ]: Abstraction has 2152 states and 6789 transitions. [2018-06-22 00:45:49,484 INFO ]: Interpolant automaton has 10 states. [2018-06-22 00:45:49,484 INFO ]: Start isEmpty. Operand 2152 states and 6789 transitions. [2018-06-22 00:45:49,541 INFO ]: Finished isEmpty. Found accepting run of length 20 [2018-06-22 00:45:49,541 INFO ]: Found error trace [2018-06-22 00:45:49,541 INFO ]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 00:45:49,541 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 00:45:49,542 INFO ]: Analyzing trace with hash -1334693245, now seen corresponding path program 1 times [2018-06-22 00:45:49,542 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 00:45:49,542 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 00:45:49,543 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:49,543 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 00:45:49,543 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 00:45:49,575 INFO ]: Conjunction of SSA is unsat [2018-06-22 00:45:50,433 INFO ]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 00:45:50,433 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 00:45:50,433 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 00:45:50,448 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 00:45:50,510 INFO ]: Conjunction of SSA is unsat [2018-06-22 00:45:50,513 INFO ]: Computing forward predicates... [2018-06-22 00:45:50,727 INFO ]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-06-22 00:45:50,755 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 00:45:50,755 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2018-06-22 00:45:50,756 INFO ]: Interpolant automaton has 11 states [2018-06-22 00:45:50,756 INFO ]: Constructing interpolant automaton starting with 11 interpolants. [2018-06-22 00:45:50,756 INFO ]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-06-22 00:45:50,756 INFO ]: Start difference. First operand 2152 states and 6789 transitions. Second operand 11 states. [2018-06-22 00:46:02,744 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 00:46:02,744 INFO ]: Finished difference Result 6029 states and 48215 transitions. [2018-06-22 00:46:02,745 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-06-22 00:46:02,745 INFO ]: Start accepts. Automaton has 11 states. Word has length 19 [2018-06-22 00:46:02,745 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 00:46:08,468 INFO ]: With dead ends: 6029 [2018-06-22 00:46:08,468 INFO ]: Without dead ends: 6003 [2018-06-22 00:46:08,469 INFO ]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2018-06-22 00:46:08,471 INFO ]: Start minimizeSevpa. Operand 6003 states. Received shutdown request... [2018-06-22 00:46:09,134 WARN ]: Verification canceled [2018-06-22 00:46:09,141 WARN ]: Timeout [2018-06-22 00:46:09,141 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:46:09 BoogieIcfgContainer [2018-06-22 00:46:09,141 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 00:46:09,142 INFO ]: Toolchain (without parser) took 56753.58 ms. Allocated memory was 305.7 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 246.3 MB in the beginning and 811.6 MB in the end (delta: -565.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 00:46:09,146 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 305.7 MB. Free memory is still 271.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 00:46:09,146 INFO ]: ChcToBoogie took 95.30 ms. Allocated memory is still 305.7 MB. Free memory was 245.3 MB in the beginning and 242.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 00:46:09,147 INFO ]: Boogie Preprocessor took 74.86 ms. Allocated memory is still 305.7 MB. Free memory was 242.3 MB in the beginning and 239.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 00:46:09,147 INFO ]: RCFGBuilder took 1532.22 ms. Allocated memory was 305.7 MB in the beginning and 323.5 MB in the end (delta: 17.8 MB). Free memory was 239.3 MB in the beginning and 281.7 MB in the end (delta: -42.4 MB). Peak memory consumption was 60.8 MB. Max. memory is 3.6 GB. [2018-06-22 00:46:09,148 INFO ]: TraceAbstraction took 55041.99 ms. Allocated memory was 323.5 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 281.7 MB in the beginning and 811.6 MB in the end (delta: -529.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 00:46:09,156 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 305.7 MB. Free memory is still 271.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 95.30 ms. Allocated memory is still 305.7 MB. Free memory was 245.3 MB in the beginning and 242.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 74.86 ms. Allocated memory is still 305.7 MB. Free memory was 242.3 MB in the beginning and 239.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 1532.22 ms. Allocated memory was 305.7 MB in the beginning and 323.5 MB in the end (delta: 17.8 MB). Free memory was 239.3 MB in the beginning and 281.7 MB in the end (delta: -42.4 MB). Peak memory consumption was 60.8 MB. Max. memory is 3.6 GB. * TraceAbstraction took 55041.99 ms. Allocated memory was 323.5 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 281.7 MB in the beginning and 811.6 MB in the end (delta: -529.9 MB). Peak memory consumption was 1.5 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 2 procedures, 145 locations, 1 error locations. TIMEOUT Result, 54.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 45.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4150 SDtfs, 1245 SDslu, 10821 SDs, 0 SdLazy, 25304 SolverSat, 4142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2152occurred 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: 5.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 2473 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 5415 SizeOfPredicates, 16 NumberOfNonLiveVariables, 889 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 27/31 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/graham-scan-full.34.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_00-46-09-177.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/graham-scan-full.34.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_00-46-09-177.csv Completed graceful shutdown