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/sally-chc-benchmarks/lfht/lfht_7_3_8.prop1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 12:35:11,436 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 12:35:11,438 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 12:35:11,450 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 12:35:11,450 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 12:35:11,451 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 12:35:11,452 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 12:35:11,456 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 12:35:11,458 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 12:35:11,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 12:35:11,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 12:35:11,462 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 12:35:11,463 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 12:35:11,464 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 12:35:11,467 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 12:35:11,468 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 12:35:11,470 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 12:35:11,483 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 12:35:11,484 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 12:35:11,485 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 12:35:11,486 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 12:35:11,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 12:35:11,488 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 12:35:11,489 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 12:35:11,489 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 12:35:11,490 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 12:35:11,495 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 12:35:11,496 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 12:35:11,497 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 12:35:11,497 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 12:35:11,498 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 12:35:11,499 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 12:35:11,505 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 12:35:11,507 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 12:35:11,507 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 12:35:11,507 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 12:35:11,526 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 12:35:11,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 12:35:11,526 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 12:35:11,527 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 12:35:11,527 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 12:35:11,528 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 12:35:11,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 12:35:11,529 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 12:35:11,529 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 12:35:11,529 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 12:35:11,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 12:35:11,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 12:35:11,530 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 12:35:11,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 12:35:11,530 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 12:35:11,531 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 12:35:11,531 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 12:35:11,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 12:35:11,531 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 12:35:11,535 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 12:35:11,535 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 12:35:11,584 INFO ]: Repository-Root is: /tmp [2018-06-22 12:35:11,600 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 12:35:11,607 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 12:35:11,608 INFO ]: Initializing SmtParser... [2018-06-22 12:35:11,608 INFO ]: SmtParser initialized [2018-06-22 12:35:11,609 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_7_3_8.prop1.smt2 [2018-06-22 12:35:11,610 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 12:35:11,698 INFO ]: Executing SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_7_3_8.prop1.smt2 unknown [2018-06-22 12:35:12,136 INFO ]: Succesfully executed SMT file /storage/chc-comp/sally-chc-benchmarks/lfht/lfht_7_3_8.prop1.smt2 [2018-06-22 12:35:12,141 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 12:35:12,154 INFO ]: Walking toolchain with 4 elements. [2018-06-22 12:35:12,155 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 12:35:12,155 INFO ]: Initializing ChcToBoogie... [2018-06-22 12:35:12,155 INFO ]: ChcToBoogie initialized [2018-06-22 12:35:12,158 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:35:12" (1/1) ... [2018-06-22 12:35:12,222 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:35:12 Unit [2018-06-22 12:35:12,222 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 12:35:12,226 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 12:35:12,226 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 12:35:12,226 INFO ]: Boogie Preprocessor initialized [2018-06-22 12:35:12,260 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:35:12" (1/1) ... [2018-06-22 12:35:12,261 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:35:12" (1/1) ... [2018-06-22 12:35:12,278 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:35:12" (1/1) ... [2018-06-22 12:35:12,278 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:35:12" (1/1) ... [2018-06-22 12:35:12,293 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:35:12" (1/1) ... [2018-06-22 12:35:12,295 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:35:12" (1/1) ... [2018-06-22 12:35:12,298 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:35:12" (1/1) ... [2018-06-22 12:35:12,309 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 12:35:12,310 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 12:35:12,310 INFO ]: Initializing RCFGBuilder... [2018-06-22 12:35:12,310 INFO ]: RCFGBuilder initialized [2018-06-22 12:35:12,311 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:35:12" (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 12:35:12,329 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 12:35:12,329 INFO ]: Found specification of procedure False [2018-06-22 12:35:12,329 INFO ]: Found implementation of procedure False [2018-06-22 12:35:12,329 INFO ]: Specification and implementation of procedure invariant given in one single declaration [2018-06-22 12:35:12,329 INFO ]: Found specification of procedure invariant [2018-06-22 12:35:12,329 INFO ]: Found implementation of procedure invariant [2018-06-22 12:35:12,329 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 12:35:12,329 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 12:35:12,329 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 12:35:12,769 INFO ]: Using library mode [2018-06-22 12:35:12,770 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:35:12 BoogieIcfgContainer [2018-06-22 12:35:12,770 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 12:35:12,772 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 12:35:12,772 INFO ]: Initializing TraceAbstraction... [2018-06-22 12:35:12,775 INFO ]: TraceAbstraction initialized [2018-06-22 12:35:12,775 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 12:35:12" (1/3) ... [2018-06-22 12:35:12,778 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104294b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 12:35:12, skipping insertion in model container [2018-06-22 12:35:12,778 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 12:35:12" (2/3) ... [2018-06-22 12:35:12,778 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104294b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 12:35:12, skipping insertion in model container [2018-06-22 12:35:12,778 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 12:35:12" (3/3) ... [2018-06-22 12:35:12,780 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 12:35:12,791 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 12:35:12,803 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 12:35:12,857 INFO ]: Using default assertion order modulation [2018-06-22 12:35:12,858 INFO ]: Interprodecural is true [2018-06-22 12:35:12,858 INFO ]: Hoare is false [2018-06-22 12:35:12,858 INFO ]: Compute interpolants for FPandBP [2018-06-22 12:35:12,858 INFO ]: Backedges is TWOTRACK [2018-06-22 12:35:12,858 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 12:35:12,858 INFO ]: Difference is false [2018-06-22 12:35:12,858 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 12:35:12,858 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 12:35:12,879 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 12:35:12,892 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 12:35:12,892 INFO ]: Found error trace [2018-06-22 12:35:12,893 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 12:35:12,893 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:35:12,897 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 12:35:12,899 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:35:12,899 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:35:12,936 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:35:12,936 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:35:12,936 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:35:13,008 INFO ]: Conjunction of SSA is unsat [2018-06-22 12:35:13,122 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 12:35:13,124 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 12:35:13,124 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 12:35:13,126 INFO ]: Interpolant automaton has 4 states [2018-06-22 12:35:13,136 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 12:35:13,137 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 12:35:13,139 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 12:35:13,286 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 12:35:13,287 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 12:35:13,289 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 12:35:13,291 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 12:35:13,291 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 12:35:13,307 INFO ]: With dead ends: 13 [2018-06-22 12:35:13,307 INFO ]: Without dead ends: 13 [2018-06-22 12:35:13,312 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 12:35:13,333 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 12:35:13,363 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 12:35:13,364 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 12:35:13,364 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 12:35:13,366 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 12:35:13,366 INFO ]: Finished accepts. word is rejected. [2018-06-22 12:35:13,366 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 12:35:13,366 INFO ]: Interpolant automaton has 4 states. [2018-06-22 12:35:13,366 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 12:35:13,367 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 12:35:13,368 INFO ]: Found error trace [2018-06-22 12:35:13,368 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 12:35:13,368 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 12:35:13,368 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 12:35:13,368 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 12:35:13,368 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 12:35:13,370 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:35:13,370 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:35:13,370 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 12:35:13,530 INFO ]: Conjunction of SSA is unsat [2018-06-22 12:35:13,896 WARN ]: Spent 101.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-06-22 12:35:13,942 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 12:35:13,943 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 12:35:13,943 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 12:35:13,962 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 12:35:14,047 INFO ]: Conjunction of SSA is unsat [2018-06-22 12:35:14,060 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 12:36:21,699 INFO ]: Timeout while computing interpolants [2018-06-22 12:36:21,900 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 12:36:21,900 WARN ]: Verification canceled [2018-06-22 12:36:21,906 WARN ]: Timeout [2018-06-22 12:36:21,906 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 12:36:21 BoogieIcfgContainer [2018-06-22 12:36:21,906 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 12:36:21,907 INFO ]: Toolchain (without parser) took 69765.52 ms. Allocated memory was 305.7 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 247.1 MB in the beginning and 624.8 MB in the end (delta: -377.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 12:36:21,908 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 12:36:21,908 INFO ]: ChcToBoogie took 67.74 ms. Allocated memory is still 305.7 MB. Free memory was 246.1 MB in the beginning and 244.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:36:21,909 INFO ]: Boogie Preprocessor took 83.08 ms. Allocated memory is still 305.7 MB. Free memory was 244.1 MB in the beginning and 242.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:36:21,909 INFO ]: RCFGBuilder took 460.49 ms. Allocated memory is still 305.7 MB. Free memory was 242.1 MB in the beginning and 218.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 3.6 GB. [2018-06-22 12:36:21,910 INFO ]: TraceAbstraction took 69134.58 ms. Allocated memory was 305.7 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 218.1 MB in the beginning and 624.8 MB in the end (delta: -406.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 12:36:21,915 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 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 67.74 ms. Allocated memory is still 305.7 MB. Free memory was 246.1 MB in the beginning and 244.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 83.08 ms. Allocated memory is still 305.7 MB. Free memory was 244.1 MB in the beginning and 242.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 460.49 ms. Allocated memory is still 305.7 MB. Free memory was 242.1 MB in the beginning and 218.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 69134.58 ms. Allocated memory was 305.7 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 218.1 MB in the beginning and 624.8 MB in the end (delta: -406.6 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 BasicCegarLoop was analyzing trace of length 14 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 4 quantified variables from 12 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 69.0s 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, 0.0s 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, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 112 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/lfht_7_3_8.prop1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_12-36-21-935.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lfht_7_3_8.prop1.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_12-36-21-935.csv Completed graceful shutdown