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/switch.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 20:01:39,610 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 20:01:39,612 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 20:01:39,627 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 20:01:39,627 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 20:01:39,629 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 20:01:39,630 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 20:01:39,634 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 20:01:39,636 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 20:01:39,637 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 20:01:39,638 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 20:01:39,638 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 20:01:39,639 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 20:01:39,640 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 20:01:39,641 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 20:01:39,641 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 20:01:39,643 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 20:01:39,645 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 20:01:39,646 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 20:01:39,647 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 20:01:39,648 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 20:01:39,650 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 20:01:39,650 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 20:01:39,651 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 20:01:39,651 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 20:01:39,652 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 20:01:39,653 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 20:01:39,654 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 20:01:39,655 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 20:01:39,655 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 20:01:39,656 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 20:01:39,657 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 20:01:39,657 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 20:01:39,658 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 20:01:39,658 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 20:01:39,659 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 20:01:39,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 20:01:39,672 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 20:01:39,672 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 20:01:39,672 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 20:01:39,673 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 20:01:39,673 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 20:01:39,674 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 20:01:39,674 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 20:01:39,674 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 20:01:39,674 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 20:01:39,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:01:39,675 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 20:01:39,675 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 20:01:39,675 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 20:01:39,675 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 20:01:39,675 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 20:01:39,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 20:01:39,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 20:01:39,676 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 20:01:39,677 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 20:01:39,677 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 20:01:39,731 INFO ]: Repository-Root is: /tmp [2018-06-22 20:01:39,745 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 20:01:39,751 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 20:01:39,753 INFO ]: Initializing SmtParser... [2018-06-22 20:01:39,753 INFO ]: SmtParser initialized [2018-06-22 20:01:39,754 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/switch.smt2 [2018-06-22 20:01:39,755 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 20:01:39,845 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/switch.smt2 unknown [2018-06-22 20:01:40,082 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/switch.smt2 [2018-06-22 20:01:40,088 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 20:01:40,094 INFO ]: Walking toolchain with 4 elements. [2018-06-22 20:01:40,095 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 20:01:40,095 INFO ]: Initializing ChcToBoogie... [2018-06-22 20:01:40,095 INFO ]: ChcToBoogie initialized [2018-06-22 20:01:40,098 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:01:40" (1/1) ... [2018-06-22 20:01:40,148 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:40 Unit [2018-06-22 20:01:40,148 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 20:01:40,149 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 20:01:40,149 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 20:01:40,149 INFO ]: Boogie Preprocessor initialized [2018-06-22 20:01:40,167 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:40" (1/1) ... [2018-06-22 20:01:40,167 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:40" (1/1) ... [2018-06-22 20:01:40,174 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:40" (1/1) ... [2018-06-22 20:01:40,174 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:40" (1/1) ... [2018-06-22 20:01:40,176 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:40" (1/1) ... [2018-06-22 20:01:40,177 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:40" (1/1) ... [2018-06-22 20:01:40,178 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:40" (1/1) ... [2018-06-22 20:01:40,180 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 20:01:40,180 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 20:01:40,181 INFO ]: Initializing RCFGBuilder... [2018-06-22 20:01:40,181 INFO ]: RCFGBuilder initialized [2018-06-22 20:01:40,181 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:40" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:01:40,192 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 20:01:40,192 INFO ]: Found specification of procedure False [2018-06-22 20:01:40,192 INFO ]: Found implementation of procedure False [2018-06-22 20:01:40,192 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 20:01:40,192 INFO ]: Found specification of procedure state [2018-06-22 20:01:40,192 INFO ]: Found implementation of procedure state [2018-06-22 20:01:40,192 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 20:01:40,192 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 20:01:40,192 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 20:01:40,449 INFO ]: Using library mode [2018-06-22 20:01:40,449 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:01:40 BoogieIcfgContainer [2018-06-22 20:01:40,449 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 20:01:40,451 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 20:01:40,451 INFO ]: Initializing TraceAbstraction... [2018-06-22 20:01:40,454 INFO ]: TraceAbstraction initialized [2018-06-22 20:01:40,454 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:01:40" (1/3) ... [2018-06-22 20:01:40,455 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d10d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:01:40, skipping insertion in model container [2018-06-22 20:01:40,455 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:40" (2/3) ... [2018-06-22 20:01:40,455 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d10d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:01:40, skipping insertion in model container [2018-06-22 20:01:40,455 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:01:40" (3/3) ... [2018-06-22 20:01:40,457 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 20:01:40,465 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 20:01:40,474 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 20:01:40,519 INFO ]: Using default assertion order modulation [2018-06-22 20:01:40,520 INFO ]: Interprodecural is true [2018-06-22 20:01:40,520 INFO ]: Hoare is false [2018-06-22 20:01:40,520 INFO ]: Compute interpolants for FPandBP [2018-06-22 20:01:40,520 INFO ]: Backedges is TWOTRACK [2018-06-22 20:01:40,520 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 20:01:40,520 INFO ]: Difference is false [2018-06-22 20:01:40,520 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 20:01:40,520 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 20:01:40,536 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 20:01:40,548 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 20:01:40,548 INFO ]: Found error trace [2018-06-22 20:01:40,549 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:01:40,549 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:01:40,555 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 20:01:40,557 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:01:40,558 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:01:40,596 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:01:40,596 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:01:40,596 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:01:40,631 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:01:40,742 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 20:01:40,745 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 20:01:40,745 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 20:01:40,747 INFO ]: Interpolant automaton has 4 states [2018-06-22 20:01:40,758 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 20:01:40,758 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:01:40,760 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 20:01:40,859 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 20:01:40,859 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 20:01:40,860 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 20:01:40,861 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 20:01:40,861 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 20:01:40,871 INFO ]: With dead ends: 13 [2018-06-22 20:01:40,871 INFO ]: Without dead ends: 13 [2018-06-22 20:01:40,873 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 20:01:40,890 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 20:01:40,908 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 20:01:40,910 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 20:01:40,910 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 20:01:40,911 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 20:01:40,911 INFO ]: Finished accepts. word is rejected. [2018-06-22 20:01:40,912 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 20:01:40,912 INFO ]: Interpolant automaton has 4 states. [2018-06-22 20:01:40,912 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 20:01:40,913 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 20:01:40,913 INFO ]: Found error trace [2018-06-22 20:01:40,913 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:01:40,913 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:01:40,913 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 20:01:40,913 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:01:40,914 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:01:40,914 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:01:40,914 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:01:40,914 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:01:40,965 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:01:41,383 WARN ]: Spent 188.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2018-06-22 20:01:41,396 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 20:01:41,396 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 20:01:41,396 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 20:01:41,403 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:01:41,431 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:01:41,438 INFO ]: Computing forward predicates... [2018-06-22 20:01:41,523 WARN ]: expecting exponential blowup for input size 15 [2018-06-22 20:01:42,609 WARN ]: Simplifying disjunction of 120000 conjuctions. This might take some time... Received shutdown request... [2018-06-22 20:03:03,808 INFO ]: Timeout while computing interpolants [2018-06-22 20:03:04,009 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 20:03:04,009 WARN ]: Verification canceled [2018-06-22 20:03:04,013 WARN ]: Timeout [2018-06-22 20:03:04,013 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:03:04 BoogieIcfgContainer [2018-06-22 20:03:04,013 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:03:04,013 INFO ]: Toolchain (without parser) took 83925.08 ms. Allocated memory was 309.3 MB in the beginning and 614.5 MB in the end (delta: 305.1 MB). Free memory was 262.7 MB in the beginning and 438.7 MB in the end (delta: -175.9 MB). Peak memory consumption was 281.2 MB. Max. memory is 3.6 GB. [2018-06-22 20:03:04,014 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:03:04,015 INFO ]: ChcToBoogie took 53.08 ms. Allocated memory is still 309.3 MB. Free memory was 262.7 MB in the beginning and 260.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:03:04,015 INFO ]: Boogie Preprocessor took 31.40 ms. Allocated memory is still 309.3 MB. Free memory was 260.7 MB in the beginning and 259.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 20:03:04,016 INFO ]: RCFGBuilder took 268.79 ms. Allocated memory is still 309.3 MB. Free memory was 259.8 MB in the beginning and 248.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:03:04,016 INFO ]: TraceAbstraction took 83562.02 ms. Allocated memory was 309.3 MB in the beginning and 614.5 MB in the end (delta: 305.1 MB). Free memory was 248.8 MB in the beginning and 438.7 MB in the end (delta: -189.9 MB). Peak memory consumption was 267.2 MB. Max. memory is 3.6 GB. [2018-06-22 20:03:04,025 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 309.3 MB. Free memory is still 274.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 53.08 ms. Allocated memory is still 309.3 MB. Free memory was 262.7 MB in the beginning and 260.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 31.40 ms. Allocated memory is still 309.3 MB. Free memory was 260.7 MB in the beginning and 259.8 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * RCFGBuilder took 268.79 ms. Allocated memory is still 309.3 MB. Free memory was 259.8 MB in the beginning and 248.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 83562.02 ms. Allocated memory was 309.3 MB in the beginning and 614.5 MB in the end (delta: 305.1 MB). Free memory was 248.8 MB in the beginning and 438.7 MB in the end (delta: -189.9 MB). Peak memory consumption was 267.2 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 120000 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 83.5s 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, 0.0s 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, 104 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/switch.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-03-04-037.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/switch.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-03-04-037.csv Completed graceful shutdown