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/vmt-chc-benchmarks/lustre/swimmingpool_7.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:59:08,725 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:59:08,726 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:59:08,736 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:59:08,736 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:59:08,737 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:59:08,738 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:59:08,740 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:59:08,742 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:59:08,742 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:59:08,743 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:59:08,743 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:59:08,744 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:59:08,745 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:59:08,746 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:59:08,748 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:59:08,750 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:59:08,763 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:59:08,765 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:59:08,766 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:59:08,767 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:59:08,769 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:59:08,769 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:59:08,769 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:59:08,770 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:59:08,771 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:59:08,771 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:59:08,779 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:59:08,780 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:59:08,780 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:59:08,781 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:59:08,782 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:59:08,782 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:59:08,782 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:59:08,783 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:59:08,783 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 19:59:08,803 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:59:08,804 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:59:08,804 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:59:08,804 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:59:08,805 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:59:08,805 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:59:08,806 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:59:08,806 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:59:08,806 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:59:08,806 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:59:08,806 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:59:08,807 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:59:08,807 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:59:08,807 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:59:08,807 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:59:08,807 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:59:08,807 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:59:08,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:59:08,808 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:59:08,809 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:59:08,809 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:59:08,845 INFO ]: Repository-Root is: /tmp [2018-06-22 19:59:08,863 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:59:08,869 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:59:08,871 INFO ]: Initializing SmtParser... [2018-06-22 19:59:08,871 INFO ]: SmtParser initialized [2018-06-22 19:59:08,872 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_7.smt2 [2018-06-22 19:59:08,873 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 19:59:08,966 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_7.smt2 unknown [2018-06-22 19:59:09,491 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/swimmingpool_7.smt2 [2018-06-22 19:59:09,498 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:59:09,508 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:59:09,509 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:59:09,509 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:59:09,509 INFO ]: ChcToBoogie initialized [2018-06-22 19:59:09,512 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:59:09" (1/1) ... [2018-06-22 19:59:09,577 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:59:09 Unit [2018-06-22 19:59:09,577 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:59:09,578 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:59:09,578 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:59:09,578 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:59:09,597 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:59:09" (1/1) ... [2018-06-22 19:59:09,598 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:59:09" (1/1) ... [2018-06-22 19:59:09,619 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:59:09" (1/1) ... [2018-06-22 19:59:09,619 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:59:09" (1/1) ... [2018-06-22 19:59:09,635 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:59:09" (1/1) ... [2018-06-22 19:59:09,636 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:59:09" (1/1) ... [2018-06-22 19:59:09,639 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:59:09" (1/1) ... [2018-06-22 19:59:09,644 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:59:09,644 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:59:09,644 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:59:09,644 INFO ]: RCFGBuilder initialized [2018-06-22 19:59:09,645 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:59:09" (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 19:59:09,671 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:59:09,671 INFO ]: Found specification of procedure False [2018-06-22 19:59:09,671 INFO ]: Found implementation of procedure False [2018-06-22 19:59:09,671 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:59:09,671 INFO ]: Found specification of procedure state [2018-06-22 19:59:09,671 INFO ]: Found implementation of procedure state [2018-06-22 19:59:09,671 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:59:09,671 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:59:09,671 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 19:59:10,059 INFO ]: Using library mode [2018-06-22 19:59:10,060 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:59:10 BoogieIcfgContainer [2018-06-22 19:59:10,060 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:59:10,062 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:59:10,062 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:59:10,066 INFO ]: TraceAbstraction initialized [2018-06-22 19:59:10,066 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:59:09" (1/3) ... [2018-06-22 19:59:10,067 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41822670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:59:10, skipping insertion in model container [2018-06-22 19:59:10,067 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:59:09" (2/3) ... [2018-06-22 19:59:10,068 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41822670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:59:10, skipping insertion in model container [2018-06-22 19:59:10,068 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:59:10" (3/3) ... [2018-06-22 19:59:10,069 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:59:10,082 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:59:10,089 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:59:10,127 INFO ]: Using default assertion order modulation [2018-06-22 19:59:10,127 INFO ]: Interprodecural is true [2018-06-22 19:59:10,127 INFO ]: Hoare is false [2018-06-22 19:59:10,127 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:59:10,127 INFO ]: Backedges is TWOTRACK [2018-06-22 19:59:10,127 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:59:10,127 INFO ]: Difference is false [2018-06-22 19:59:10,127 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:59:10,127 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:59:10,140 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:59:10,150 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:59:10,150 INFO ]: Found error trace [2018-06-22 19:59:10,151 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:59:10,151 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:59:10,158 INFO ]: Analyzing trace with hash -597537630, now seen corresponding path program 1 times [2018-06-22 19:59:10,159 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:59:10,159 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:59:10,191 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:59:10,191 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:59:10,191 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:59:10,296 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:59:10,595 WARN ]: Spent 106.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 1 [2018-06-22 19:59:10,597 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:59:10,600 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:59:10,600 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:59:10,602 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:59:10,617 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:59:10,617 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:59:10,620 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:59:10,753 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:59:10,753 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:59:10,754 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:59:10,755 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:59:10,756 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:59:10,769 INFO ]: With dead ends: 13 [2018-06-22 19:59:10,769 INFO ]: Without dead ends: 13 [2018-06-22 19:59:10,771 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:59:10,786 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:59:10,808 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:59:10,809 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:59:10,810 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:59:10,811 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:59:10,811 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:59:10,811 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:59:10,811 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:59:10,811 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:59:10,812 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:59:10,812 INFO ]: Found error trace [2018-06-22 19:59:10,812 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:59:10,812 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:59:10,813 INFO ]: Analyzing trace with hash 1530833734, now seen corresponding path program 1 times [2018-06-22 19:59:10,813 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:59:10,813 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:59:10,813 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:59:10,813 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:59:10,813 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:59:10,987 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:59:11,644 WARN ]: Spent 408.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2018-06-22 19:59:11,966 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:59:11,966 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:59:11,966 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 19:59:11,977 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:59:12,137 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:59:12,150 INFO ]: Computing forward predicates... [2018-06-22 19:59:12,476 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:59:12,479 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 19:59:12,720 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 19:59:12,722 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 19:59:13,276 WARN ]: Simplifying disjunction of 32076 conjuctions. This might take some time... Received shutdown request... [2018-06-22 20:00:31,272 INFO ]: Timeout while computing interpolants [2018-06-22 20:00:31,473 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 20:00:31,473 WARN ]: Verification canceled [2018-06-22 20:00:31,476 WARN ]: Timeout [2018-06-22 20:00:31,476 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:00:31 BoogieIcfgContainer [2018-06-22 20:00:31,476 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:00:31,477 INFO ]: Toolchain (without parser) took 81978.52 ms. Allocated memory was 308.3 MB in the beginning and 392.2 MB in the end (delta: 83.9 MB). Free memory was 239.7 MB in the beginning and 300.6 MB in the end (delta: -60.9 MB). Peak memory consumption was 137.7 MB. Max. memory is 3.6 GB. [2018-06-22 20:00:31,478 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.3 MB. Free memory is still 271.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:00:31,479 INFO ]: ChcToBoogie took 68.64 ms. Allocated memory is still 308.3 MB. Free memory was 239.7 MB in the beginning and 236.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:00:31,479 INFO ]: Boogie Preprocessor took 65.73 ms. Allocated memory is still 308.3 MB. Free memory was 236.7 MB in the beginning and 234.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:00:31,480 INFO ]: RCFGBuilder took 415.90 ms. Allocated memory is still 308.3 MB. Free memory was 234.8 MB in the beginning and 203.6 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 3.6 GB. [2018-06-22 20:00:31,480 INFO ]: TraceAbstraction took 81414.88 ms. Allocated memory was 308.3 MB in the beginning and 392.2 MB in the end (delta: 83.9 MB). Free memory was 203.6 MB in the beginning and 300.6 MB in the end (delta: -97.0 MB). Peak memory consumption was 101.6 MB. Max. memory is 3.6 GB. [2018-06-22 20:00:31,493 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 308.3 MB. Free memory is still 271.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 68.64 ms. Allocated memory is still 308.3 MB. Free memory was 239.7 MB in the beginning and 236.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 65.73 ms. Allocated memory is still 308.3 MB. Free memory was 236.7 MB in the beginning and 234.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 415.90 ms. Allocated memory is still 308.3 MB. Free memory was 234.8 MB in the beginning and 203.6 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 3.6 GB. * TraceAbstraction took 81414.88 ms. Allocated memory was 308.3 MB in the beginning and 392.2 MB in the end (delta: 83.9 MB). Free memory was 203.6 MB in the beginning and 300.6 MB in the end (delta: -97.0 MB). Peak memory consumption was 101.6 MB. 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 BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 32076 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 81.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 15 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/swimmingpool_7.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-00-31-510.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/swimmingpool_7.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-00-31-510.csv Completed graceful shutdown