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/ILLINOIS_3_e3_2581_e6_2476.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 18:39:34,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 18:39:34,853 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 18:39:34,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 18:39:34,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 18:39:34,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 18:39:34,869 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 18:39:34,871 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 18:39:34,872 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 18:39:34,872 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 18:39:34,873 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 18:39:34,873 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 18:39:34,873 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 18:39:34,874 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 18:39:34,874 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 18:39:34,877 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 18:39:34,879 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 18:39:34,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 18:39:34,884 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 18:39:34,885 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 18:39:34,886 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 18:39:34,892 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 18:39:34,892 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 18:39:34,892 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 18:39:34,893 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 18:39:34,894 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 18:39:34,897 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 18:39:34,898 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 18:39:34,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 18:39:34,899 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 18:39:34,900 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 18:39:34,900 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 18:39:34,900 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 18:39:34,901 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 18:39:34,902 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 18:39:34,902 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 18:39:34,915 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 18:39:34,915 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 18:39:34,915 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 18:39:34,915 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 18:39:34,923 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 18:39:34,924 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 18:39:34,924 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 18:39:34,924 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 18:39:34,924 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 18:39:34,924 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 18:39:34,925 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 18:39:34,925 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 18:39:34,925 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 18:39:34,925 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 18:39:34,925 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 18:39:34,925 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 18:39:34,926 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 18:39:34,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 18:39:34,926 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 18:39:34,927 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 18:39:34,927 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 18:39:34,972 INFO ]: Repository-Root is: /tmp [2018-06-22 18:39:34,983 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 18:39:34,989 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 18:39:34,991 INFO ]: Initializing SmtParser... [2018-06-22 18:39:34,991 INFO ]: SmtParser initialized [2018-06-22 18:39:34,992 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_3_e3_2581_e6_2476.smt2 [2018-06-22 18:39:34,993 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 18:39:35,087 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_3_e3_2581_e6_2476.smt2 unknown [2018-06-22 18:39:35,617 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/ILLINOIS_3_e3_2581_e6_2476.smt2 [2018-06-22 18:39:35,621 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 18:39:35,636 INFO ]: Walking toolchain with 4 elements. [2018-06-22 18:39:35,636 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 18:39:35,636 INFO ]: Initializing ChcToBoogie... [2018-06-22 18:39:35,636 INFO ]: ChcToBoogie initialized [2018-06-22 18:39:35,639 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:39:35" (1/1) ... [2018-06-22 18:39:35,736 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:39:35 Unit [2018-06-22 18:39:35,736 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 18:39:35,737 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 18:39:35,737 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 18:39:35,737 INFO ]: Boogie Preprocessor initialized [2018-06-22 18:39:35,764 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:39:35" (1/1) ... [2018-06-22 18:39:35,764 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:39:35" (1/1) ... [2018-06-22 18:39:35,788 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:39:35" (1/1) ... [2018-06-22 18:39:35,788 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:39:35" (1/1) ... [2018-06-22 18:39:35,805 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:39:35" (1/1) ... [2018-06-22 18:39:35,806 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:39:35" (1/1) ... [2018-06-22 18:39:35,809 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:39:35" (1/1) ... [2018-06-22 18:39:35,814 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 18:39:35,814 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 18:39:35,814 INFO ]: Initializing RCFGBuilder... [2018-06-22 18:39:35,814 INFO ]: RCFGBuilder initialized [2018-06-22 18:39:35,815 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:39:35" (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) [2018-06-22 18:39:35,843 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 18:39:35,843 INFO ]: Found specification of procedure False [2018-06-22 18:39:35,843 INFO ]: Found implementation of procedure False [2018-06-22 18:39:35,843 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 18:39:35,843 INFO ]: Found specification of procedure state [2018-06-22 18:39:35,843 INFO ]: Found implementation of procedure state [2018-06-22 18:39:35,843 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 18:39:35,843 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 18:39:35,843 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 18:39:36,233 INFO ]: Using library mode [2018-06-22 18:39:36,234 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:39:36 BoogieIcfgContainer [2018-06-22 18:39:36,234 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 18:39:36,235 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 18:39:36,235 INFO ]: Initializing TraceAbstraction... [2018-06-22 18:39:36,238 INFO ]: TraceAbstraction initialized [2018-06-22 18:39:36,238 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 06:39:35" (1/3) ... [2018-06-22 18:39:36,238 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2954839f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 06:39:36, skipping insertion in model container [2018-06-22 18:39:36,239 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 06:39:35" (2/3) ... [2018-06-22 18:39:36,239 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2954839f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:39:36, skipping insertion in model container [2018-06-22 18:39:36,239 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:39:36" (3/3) ... [2018-06-22 18:39:36,240 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 18:39:36,251 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 18:39:36,261 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 18:39:36,311 INFO ]: Using default assertion order modulation [2018-06-22 18:39:36,312 INFO ]: Interprodecural is true [2018-06-22 18:39:36,312 INFO ]: Hoare is false [2018-06-22 18:39:36,312 INFO ]: Compute interpolants for FPandBP [2018-06-22 18:39:36,312 INFO ]: Backedges is TWOTRACK [2018-06-22 18:39:36,312 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 18:39:36,312 INFO ]: Difference is false [2018-06-22 18:39:36,312 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 18:39:36,312 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 18:39:36,323 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 18:39:36,341 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 18:39:36,341 INFO ]: Found error trace [2018-06-22 18:39:36,342 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:39:36,342 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:39:36,347 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 18:39:36,348 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:39:36,348 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:39:36,377 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:39:36,378 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:39:36,378 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:39:36,479 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:39:36,786 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 18:39:36,788 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 18:39:36,789 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 18:39:36,790 INFO ]: Interpolant automaton has 4 states [2018-06-22 18:39:36,805 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 18:39:36,806 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 18:39:36,808 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 18:39:36,970 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 18:39:36,970 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 18:39:36,971 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 18:39:36,972 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 18:39:36,972 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 18:39:36,987 INFO ]: With dead ends: 13 [2018-06-22 18:39:36,987 INFO ]: Without dead ends: 13 [2018-06-22 18:39:36,992 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 18:39:37,009 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 18:39:37,045 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 18:39:37,046 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 18:39:37,047 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 18:39:37,049 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 18:39:37,049 INFO ]: Finished accepts. word is rejected. [2018-06-22 18:39:37,049 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 18:39:37,049 INFO ]: Interpolant automaton has 4 states. [2018-06-22 18:39:37,049 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 18:39:37,050 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 18:39:37,050 INFO ]: Found error trace [2018-06-22 18:39:37,050 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 18:39:37,050 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 18:39:37,051 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 18:39:37,051 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 18:39:37,051 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 18:39:37,052 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:39:37,052 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:39:37,052 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 18:39:37,234 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:39:41,026 WARN ]: Spent 3.20 s on a formula simplification. DAG size of input: 419 DAG size of output: 161 [2018-06-22 18:39:41,172 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 18:39:41,172 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 18:39:41,172 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 18:39:41,178 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 18:39:41,299 INFO ]: Conjunction of SSA is unsat [2018-06-22 18:39:41,312 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 18:40:44,540 INFO ]: Timeout while computing interpolants [2018-06-22 18:40:44,741 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 18:40:44,741 WARN ]: Verification canceled [2018-06-22 18:40:44,746 WARN ]: Timeout [2018-06-22 18:40:44,746 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:40:44 BoogieIcfgContainer [2018-06-22 18:40:44,746 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 18:40:44,747 INFO ]: Toolchain (without parser) took 69125.07 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 242.0 MB in the beginning and 857.0 MB in the end (delta: -615.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:40:44,748 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 308.8 MB. Free memory is still 274.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 18:40:44,748 INFO ]: ChcToBoogie took 100.12 ms. Allocated memory is still 308.8 MB. Free memory was 242.0 MB in the beginning and 239.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:40:44,748 INFO ]: Boogie Preprocessor took 77.03 ms. Allocated memory is still 308.8 MB. Free memory was 239.0 MB in the beginning and 237.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 18:40:44,755 INFO ]: RCFGBuilder took 419.55 ms. Allocated memory is still 308.8 MB. Free memory was 237.0 MB in the beginning and 205.3 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 3.6 GB. [2018-06-22 18:40:44,755 INFO ]: TraceAbstraction took 68511.18 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 204.3 MB in the beginning and 857.0 MB in the end (delta: -652.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 18:40:44,757 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 308.8 MB. Free memory is still 274.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 100.12 ms. Allocated memory is still 308.8 MB. Free memory was 242.0 MB in the beginning and 239.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 77.03 ms. Allocated memory is still 308.8 MB. Free memory was 239.0 MB in the beginning and 237.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 419.55 ms. Allocated memory is still 308.8 MB. Free memory was 237.0 MB in the beginning and 205.3 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 3.6 GB. * TraceAbstraction took 68511.18 ms. Allocated memory was 308.8 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 204.3 MB in the beginning and 857.0 MB in the end (delta: -652.7 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 58 quantified variables from 70 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 68.4s 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, 0.3s 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/ILLINOIS_3_e3_2581_e6_2476.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_18-40-44-775.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ILLINOIS_3_e3_2581_e6_2476.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_18-40-44-775.csv Completed graceful shutdown