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_Goto.epf -i /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 07:48:38,801 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 07:48:38,804 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 07:48:38,818 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 07:48:38,818 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 07:48:38,819 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 07:48:38,820 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 07:48:38,824 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 07:48:38,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 07:48:38,826 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 07:48:38,827 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 07:48:38,827 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 07:48:38,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 07:48:38,829 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 07:48:38,829 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 07:48:38,830 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 07:48:38,834 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 07:48:38,836 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 07:48:38,839 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 07:48:38,840 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 07:48:38,842 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 07:48:38,844 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 07:48:38,844 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 07:48:38,844 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 07:48:38,845 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 07:48:38,846 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 07:48:38,847 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 07:48:38,848 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 07:48:38,849 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 07:48:38,849 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 07:48:38,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 07:48:38,850 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 07:48:38,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 07:48:38,851 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 07:48:38,852 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 07:48:38,852 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 07:48:38,865 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 07:48:38,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 07:48:38,865 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 07:48:38,866 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 07:48:38,867 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 07:48:38,867 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 07:48:38,867 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 07:48:38,867 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 07:48:38,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 07:48:38,868 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 07:48:38,868 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 07:48:38,868 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 07:48:38,868 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 07:48:38,868 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 07:48:38,869 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 07:48:38,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 07:48:38,869 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 07:48:38,870 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 07:48:38,871 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 07:48:38,919 INFO ]: Repository-Root is: /tmp [2018-06-22 07:48:38,938 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 07:48:38,943 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 07:48:38,945 INFO ]: Initializing SmtParser... [2018-06-22 07:48:38,945 INFO ]: SmtParser initialized [2018-06-22 07:48:38,946 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4.smt2 [2018-06-22 07:48:38,947 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 07:48:39,035 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4.smt2 unknown [2018-06-22 07:48:39,835 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/FIREFLY_4.smt2 [2018-06-22 07:48:39,839 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 07:48:39,845 INFO ]: Walking toolchain with 4 elements. [2018-06-22 07:48:39,846 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 07:48:39,846 INFO ]: Initializing ChcToBoogie... [2018-06-22 07:48:39,846 INFO ]: ChcToBoogie initialized [2018-06-22 07:48:39,849 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:48:39" (1/1) ... [2018-06-22 07:48:39,960 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:39 Unit [2018-06-22 07:48:39,960 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 07:48:39,961 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 07:48:39,961 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 07:48:39,961 INFO ]: Boogie Preprocessor initialized [2018-06-22 07:48:39,976 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:39" (1/1) ... [2018-06-22 07:48:39,976 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:39" (1/1) ... [2018-06-22 07:48:39,986 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:39" (1/1) ... [2018-06-22 07:48:39,986 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:39" (1/1) ... [2018-06-22 07:48:39,996 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:39" (1/1) ... [2018-06-22 07:48:39,997 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:39" (1/1) ... [2018-06-22 07:48:40,001 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:39" (1/1) ... [2018-06-22 07:48:40,005 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 07:48:40,006 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 07:48:40,006 INFO ]: Initializing RCFGBuilder... [2018-06-22 07:48:40,006 INFO ]: RCFGBuilder initialized [2018-06-22 07:48:40,007 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:39" (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 07:48:40,022 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 07:48:40,022 INFO ]: Found specification of procedure gotoProc [2018-06-22 07:48:40,022 INFO ]: Found implementation of procedure gotoProc [2018-06-22 07:48:40,022 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 07:48:40,022 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 07:48:40,022 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 07:48:40,509 INFO ]: Using library mode [2018-06-22 07:48:40,510 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:48:40 BoogieIcfgContainer [2018-06-22 07:48:40,510 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 07:48:40,511 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 07:48:40,512 INFO ]: Initializing TraceAbstraction... [2018-06-22 07:48:40,519 INFO ]: TraceAbstraction initialized [2018-06-22 07:48:40,519 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 07:48:39" (1/3) ... [2018-06-22 07:48:40,520 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590e403a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 07:48:40, skipping insertion in model container [2018-06-22 07:48:40,520 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 07:48:39" (2/3) ... [2018-06-22 07:48:40,520 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590e403a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 07:48:40, skipping insertion in model container [2018-06-22 07:48:40,520 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 07:48:40" (3/3) ... [2018-06-22 07:48:40,523 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 07:48:40,532 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 07:48:40,539 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 07:48:40,592 INFO ]: Using default assertion order modulation [2018-06-22 07:48:40,592 INFO ]: Interprodecural is true [2018-06-22 07:48:40,592 INFO ]: Hoare is false [2018-06-22 07:48:40,592 INFO ]: Compute interpolants for FPandBP [2018-06-22 07:48:40,592 INFO ]: Backedges is TWOTRACK [2018-06-22 07:48:40,592 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 07:48:40,592 INFO ]: Difference is false [2018-06-22 07:48:40,592 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 07:48:40,593 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 07:48:40,608 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 07:48:40,619 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 07:48:40,619 INFO ]: Found error trace [2018-06-22 07:48:40,620 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:48:40,620 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:48:40,625 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 07:48:40,627 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:48:40,628 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:48:40,669 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:48:40,669 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:48:40,669 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:48:40,809 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:48:41,025 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:48:41,028 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 07:48:41,029 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 07:48:41,031 INFO ]: Interpolant automaton has 3 states [2018-06-22 07:48:41,046 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 07:48:41,047 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:48:41,050 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 07:48:41,141 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 07:48:41,141 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 07:48:41,144 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 07:48:41,145 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 07:48:41,145 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 07:48:41,151 INFO ]: With dead ends: 9 [2018-06-22 07:48:41,151 INFO ]: Without dead ends: 9 [2018-06-22 07:48:41,153 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 07:48:41,167 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 07:48:41,199 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 07:48:41,201 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 07:48:41,201 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 07:48:41,202 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 07:48:41,202 INFO ]: Finished accepts. word is rejected. [2018-06-22 07:48:41,202 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 07:48:41,202 INFO ]: Interpolant automaton has 3 states. [2018-06-22 07:48:41,202 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 07:48:41,203 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 07:48:41,203 INFO ]: Found error trace [2018-06-22 07:48:41,203 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 07:48:41,203 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 07:48:41,203 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 07:48:41,203 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 07:48:41,203 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 07:48:41,204 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:48:41,204 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 07:48:41,204 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 07:48:41,362 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:48:42,346 WARN ]: Spent 667.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 2 [2018-06-22 07:48:42,714 WARN ]: Spent 315.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 19 [2018-06-22 07:48:42,715 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 07:48:42,715 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 07:48:42,715 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) [2018-06-22 07:48:42,739 INFO ]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 07:48:42,918 INFO ]: Conjunction of SSA is unsat [2018-06-22 07:48:42,936 INFO ]: Computing forward predicates... Received shutdown request... [2018-06-22 07:49:58,880 INFO ]: Timeout while computing interpolants [2018-06-22 07:49:59,081 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 07:49:59,082 WARN ]: Verification canceled [2018-06-22 07:49:59,136 WARN ]: Timeout [2018-06-22 07:49:59,136 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 07:49:59 BoogieIcfgContainer [2018-06-22 07:49:59,136 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 07:49:59,230 INFO ]: Toolchain (without parser) took 79351.09 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 243.7 MB in the beginning and 830.2 MB in the end (delta: -586.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 07:49:59,231 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 07:49:59,231 INFO ]: ChcToBoogie took 114.94 ms. Allocated memory is still 308.3 MB. Free memory was 242.7 MB in the beginning and 239.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:49:59,232 INFO ]: Boogie Preprocessor took 44.31 ms. Allocated memory is still 308.3 MB. Free memory was 239.7 MB in the beginning and 237.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 07:49:59,233 INFO ]: RCFGBuilder took 504.21 ms. Allocated memory is still 308.3 MB. Free memory was 237.7 MB in the beginning and 199.8 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 3.6 GB. [2018-06-22 07:49:59,244 INFO ]: TraceAbstraction took 78624.87 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 199.8 MB in the beginning and 830.2 MB in the end (delta: -630.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 3.6 GB. [2018-06-22 07:49:59,247 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.09 ms. Allocated memory is still 308.3 MB. Free memory is still 273.8 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 114.94 ms. Allocated memory is still 308.3 MB. Free memory was 242.7 MB in the beginning and 239.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 44.31 ms. Allocated memory is still 308.3 MB. Free memory was 239.7 MB in the beginning and 237.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 504.21 ms. Allocated memory is still 308.3 MB. Free memory was 237.7 MB in the beginning and 199.8 MB in the end (delta: 37.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 3.6 GB. * TraceAbstraction took 78624.87 ms. Allocated memory was 308.3 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 199.8 MB in the beginning and 830.2 MB in the end (delta: -630.4 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 9 with TraceHistMax 1, while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 57 quantified variables from 81 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 78.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 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/FIREFLY_4.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_07-49-59-277.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/FIREFLY_4.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_07-49-59-277.csv Completed graceful shutdown