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/peterson_vt.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 19:38:34,833 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 19:38:34,835 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 19:38:34,846 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 19:38:34,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 19:38:34,847 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 19:38:34,849 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 19:38:34,851 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 19:38:34,852 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 19:38:34,853 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 19:38:34,854 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 19:38:34,854 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 19:38:34,855 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 19:38:34,856 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 19:38:34,857 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 19:38:34,858 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 19:38:34,859 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 19:38:34,861 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 19:38:34,863 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 19:38:34,864 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 19:38:34,865 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 19:38:34,867 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 19:38:34,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 19:38:34,868 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 19:38:34,869 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 19:38:34,870 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 19:38:34,871 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 19:38:34,871 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 19:38:34,872 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 19:38:34,873 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 19:38:34,873 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 19:38:34,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 19:38:34,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 19:38:34,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 19:38:34,876 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 19:38:34,876 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 19:38:34,890 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 19:38:34,890 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 19:38:34,890 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 19:38:34,891 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 19:38:34,892 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 19:38:34,892 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 19:38:34,892 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 19:38:34,892 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 19:38:34,893 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 19:38:34,893 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 19:38:34,893 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 19:38:34,893 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 19:38:34,893 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 19:38:34,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 19:38:34,894 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 19:38:34,894 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 19:38:34,894 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 19:38:34,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 19:38:34,894 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 19:38:34,896 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 19:38:34,896 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 19:38:34,936 INFO ]: Repository-Root is: /tmp [2018-06-22 19:38:34,952 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 19:38:34,957 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 19:38:34,958 INFO ]: Initializing SmtParser... [2018-06-22 19:38:34,959 INFO ]: SmtParser initialized [2018-06-22 19:38:34,960 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_vt.smt2 [2018-06-22 19:38:34,961 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 19:38:35,055 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_vt.smt2 unknown [2018-06-22 19:38:35,729 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/peterson_vt.smt2 [2018-06-22 19:38:35,733 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 19:38:35,739 INFO ]: Walking toolchain with 4 elements. [2018-06-22 19:38:35,740 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 19:38:35,740 INFO ]: Initializing ChcToBoogie... [2018-06-22 19:38:35,740 INFO ]: ChcToBoogie initialized [2018-06-22 19:38:35,743 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:38:35" (1/1) ... [2018-06-22 19:38:35,827 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:38:35 Unit [2018-06-22 19:38:35,827 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 19:38:35,828 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 19:38:35,828 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 19:38:35,828 INFO ]: Boogie Preprocessor initialized [2018-06-22 19:38:35,850 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:38:35" (1/1) ... [2018-06-22 19:38:35,850 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:38:35" (1/1) ... [2018-06-22 19:38:35,880 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:38:35" (1/1) ... [2018-06-22 19:38:35,880 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:38:35" (1/1) ... [2018-06-22 19:38:35,900 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:38:35" (1/1) ... [2018-06-22 19:38:35,901 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:38:35" (1/1) ... [2018-06-22 19:38:35,910 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:38:35" (1/1) ... [2018-06-22 19:38:35,917 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 19:38:35,922 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 19:38:35,922 INFO ]: Initializing RCFGBuilder... [2018-06-22 19:38:35,922 INFO ]: RCFGBuilder initialized [2018-06-22 19:38:35,923 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:38:35" (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 19:38:35,939 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 19:38:35,939 INFO ]: Found specification of procedure False [2018-06-22 19:38:35,939 INFO ]: Found implementation of procedure False [2018-06-22 19:38:35,939 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 19:38:35,939 INFO ]: Found specification of procedure state [2018-06-22 19:38:35,939 INFO ]: Found implementation of procedure state [2018-06-22 19:38:35,939 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 19:38:35,939 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 19:38:35,939 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 19:38:36,527 INFO ]: Using library mode [2018-06-22 19:38:36,528 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:38:36 BoogieIcfgContainer [2018-06-22 19:38:36,528 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 19:38:36,534 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 19:38:36,534 INFO ]: Initializing TraceAbstraction... [2018-06-22 19:38:36,538 INFO ]: TraceAbstraction initialized [2018-06-22 19:38:36,538 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:38:35" (1/3) ... [2018-06-22 19:38:36,539 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b8909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:38:36, skipping insertion in model container [2018-06-22 19:38:36,539 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:38:35" (2/3) ... [2018-06-22 19:38:36,539 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b8909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:38:36, skipping insertion in model container [2018-06-22 19:38:36,539 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:38:36" (3/3) ... [2018-06-22 19:38:36,541 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 19:38:36,552 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 19:38:36,564 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 19:38:36,614 INFO ]: Using default assertion order modulation [2018-06-22 19:38:36,614 INFO ]: Interprodecural is true [2018-06-22 19:38:36,614 INFO ]: Hoare is false [2018-06-22 19:38:36,615 INFO ]: Compute interpolants for FPandBP [2018-06-22 19:38:36,615 INFO ]: Backedges is TWOTRACK [2018-06-22 19:38:36,615 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 19:38:36,615 INFO ]: Difference is false [2018-06-22 19:38:36,615 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 19:38:36,615 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 19:38:36,630 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 19:38:36,645 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 19:38:36,645 INFO ]: Found error trace [2018-06-22 19:38:36,645 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:38:36,646 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:38:36,651 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 19:38:36,653 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:38:36,654 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:38:36,701 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:38:36,701 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:38:36,701 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:38:36,796 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:38:37,085 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 19:38:37,087 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 19:38:37,088 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 19:38:37,089 INFO ]: Interpolant automaton has 4 states [2018-06-22 19:38:37,105 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 19:38:37,106 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 19:38:37,108 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 19:38:37,269 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 19:38:37,269 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 19:38:37,271 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 19:38:37,272 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 19:38:37,273 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 19:38:37,287 INFO ]: With dead ends: 13 [2018-06-22 19:38:37,287 INFO ]: Without dead ends: 13 [2018-06-22 19:38:37,289 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 19:38:37,306 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 19:38:37,334 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 19:38:37,335 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 19:38:37,336 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 19:38:37,337 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 19:38:37,337 INFO ]: Finished accepts. word is rejected. [2018-06-22 19:38:37,337 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 19:38:37,337 INFO ]: Interpolant automaton has 4 states. [2018-06-22 19:38:37,337 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 19:38:37,338 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 19:38:37,338 INFO ]: Found error trace [2018-06-22 19:38:37,339 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 19:38:37,339 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 19:38:37,339 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 19:38:37,339 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 19:38:37,339 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 19:38:37,340 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:38:37,340 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:38:37,340 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 19:38:37,602 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:38:42,464 WARN ]: Spent 3.98 s on a formula simplification. DAG size of input: 558 DAG size of output: 273 [2018-06-22 19:38:42,601 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 19:38:42,602 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 19:38:42,602 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 19:38:42,620 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 19:38:42,821 INFO ]: Conjunction of SSA is unsat [2018-06-22 19:38:42,837 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 19:39:46,415 INFO ]: Timeout while computing interpolants [2018-06-22 19:39:46,616 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 19:39:46,616 WARN ]: Verification canceled [2018-06-22 19:39:46,619 WARN ]: Timeout [2018-06-22 19:39:46,620 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:39:46 BoogieIcfgContainer [2018-06-22 19:39:46,620 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 19:39:46,621 INFO ]: Toolchain (without parser) took 70886.97 ms. Allocated memory was 298.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 215.2 MB in the beginning and 166.5 MB in the end (delta: 48.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 19:39:46,621 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 298.8 MB. Free memory is still 264.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 19:39:46,622 INFO ]: ChcToBoogie took 87.44 ms. Allocated memory is still 298.8 MB. Free memory was 214.3 MB in the beginning and 209.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:39:46,623 INFO ]: Boogie Preprocessor took 89.76 ms. Allocated memory is still 298.8 MB. Free memory was 209.3 MB in the beginning and 207.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 19:39:46,623 INFO ]: RCFGBuilder took 605.72 ms. Allocated memory was 298.8 MB in the beginning and 325.1 MB in the end (delta: 26.2 MB). Free memory was 207.3 MB in the beginning and 269.7 MB in the end (delta: -62.4 MB). Peak memory consumption was 34.9 MB. Max. memory is 3.6 GB. [2018-06-22 19:39:46,624 INFO ]: TraceAbstraction took 70085.50 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 269.7 MB in the beginning and 166.5 MB in the end (delta: 103.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 19:39:46,627 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 298.8 MB. Free memory is still 264.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 87.44 ms. Allocated memory is still 298.8 MB. Free memory was 214.3 MB in the beginning and 209.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 89.76 ms. Allocated memory is still 298.8 MB. Free memory was 209.3 MB in the beginning and 207.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 605.72 ms. Allocated memory was 298.8 MB in the beginning and 325.1 MB in the end (delta: 26.2 MB). Free memory was 207.3 MB in the beginning and 269.7 MB in the end (delta: -62.4 MB). Peak memory consumption was 34.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 70085.50 ms. Allocated memory was 325.1 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 269.7 MB in the beginning and 166.5 MB in the end (delta: 103.1 MB). Peak memory consumption was 1.3 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 93 quantified variables from 131 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 70.0s 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, 0.1s 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/peterson_vt.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_19-39-46-654.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/peterson_vt.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_19-39-46-654.csv Completed graceful shutdown