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/SYNAPSE_6_e2_1439_e1_954.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 20:20:56,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 20:20:56,084 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 20:20:56,097 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 20:20:56,097 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 20:20:56,098 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 20:20:56,099 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 20:20:56,103 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 20:20:56,104 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 20:20:56,106 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 20:20:56,107 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 20:20:56,107 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 20:20:56,108 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 20:20:56,111 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 20:20:56,112 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 20:20:56,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 20:20:56,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 20:20:56,123 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 20:20:56,124 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 20:20:56,125 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 20:20:56,126 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 20:20:56,130 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 20:20:56,130 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 20:20:56,130 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 20:20:56,131 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 20:20:56,132 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 20:20:56,133 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 20:20:56,133 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 20:20:56,134 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 20:20:56,135 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 20:20:56,135 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 20:20:56,136 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 20:20:56,136 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 20:20:56,137 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 20:20:56,137 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 20:20:56,138 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 20:20:56,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 20:20:56,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 20:20:56,157 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 20:20:56,157 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 20:20:56,158 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 20:20:56,158 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 20:20:56,158 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 20:20:56,159 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 20:20:56,159 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 20:20:56,159 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 20:20:56,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:20:56,159 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 20:20:56,159 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 20:20:56,160 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 20:20:56,160 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 20:20:56,161 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 20:20:56,161 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 20:20:56,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 20:20:56,161 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 20:20:56,162 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 20:20:56,163 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 20:20:56,207 INFO ]: Repository-Root is: /tmp [2018-06-22 20:20:56,222 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 20:20:56,228 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 20:20:56,230 INFO ]: Initializing SmtParser... [2018-06-22 20:20:56,230 INFO ]: SmtParser initialized [2018-06-22 20:20:56,230 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_6_e2_1439_e1_954.smt2 [2018-06-22 20:20:56,232 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 20:20:56,320 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_6_e2_1439_e1_954.smt2 unknown [2018-06-22 20:20:56,666 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_6_e2_1439_e1_954.smt2 [2018-06-22 20:20:56,673 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 20:20:56,679 INFO ]: Walking toolchain with 4 elements. [2018-06-22 20:20:56,680 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 20:20:56,680 INFO ]: Initializing ChcToBoogie... [2018-06-22 20:20:56,680 INFO ]: ChcToBoogie initialized [2018-06-22 20:20:56,683 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:20:56" (1/1) ... [2018-06-22 20:20:56,731 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:20:56 Unit [2018-06-22 20:20:56,732 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 20:20:56,732 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 20:20:56,732 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 20:20:56,732 INFO ]: Boogie Preprocessor initialized [2018-06-22 20:20:56,753 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:20:56" (1/1) ... [2018-06-22 20:20:56,754 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:20:56" (1/1) ... [2018-06-22 20:20:56,767 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:20:56" (1/1) ... [2018-06-22 20:20:56,767 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:20:56" (1/1) ... [2018-06-22 20:20:56,785 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:20:56" (1/1) ... [2018-06-22 20:20:56,786 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:20:56" (1/1) ... [2018-06-22 20:20:56,787 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:20:56" (1/1) ... [2018-06-22 20:20:56,790 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 20:20:56,790 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 20:20:56,790 INFO ]: Initializing RCFGBuilder... [2018-06-22 20:20:56,790 INFO ]: RCFGBuilder initialized [2018-06-22 20:20:56,791 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:20:56" (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 20:20:56,810 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 20:20:56,810 INFO ]: Found specification of procedure False [2018-06-22 20:20:56,810 INFO ]: Found implementation of procedure False [2018-06-22 20:20:56,810 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 20:20:56,810 INFO ]: Found specification of procedure state [2018-06-22 20:20:56,810 INFO ]: Found implementation of procedure state [2018-06-22 20:20:56,810 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 20:20:56,810 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 20:20:56,810 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 20:20:57,083 INFO ]: Using library mode [2018-06-22 20:20:57,083 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:20:57 BoogieIcfgContainer [2018-06-22 20:20:57,084 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 20:20:57,093 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 20:20:57,093 INFO ]: Initializing TraceAbstraction... [2018-06-22 20:20:57,096 INFO ]: TraceAbstraction initialized [2018-06-22 20:20:57,096 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:20:56" (1/3) ... [2018-06-22 20:20:57,099 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733c9a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:20:57, skipping insertion in model container [2018-06-22 20:20:57,100 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:20:56" (2/3) ... [2018-06-22 20:20:57,100 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733c9a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:20:57, skipping insertion in model container [2018-06-22 20:20:57,100 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:20:57" (3/3) ... [2018-06-22 20:20:57,102 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 20:20:57,131 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 20:20:57,145 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 20:20:57,198 INFO ]: Using default assertion order modulation [2018-06-22 20:20:57,199 INFO ]: Interprodecural is true [2018-06-22 20:20:57,199 INFO ]: Hoare is false [2018-06-22 20:20:57,199 INFO ]: Compute interpolants for FPandBP [2018-06-22 20:20:57,199 INFO ]: Backedges is TWOTRACK [2018-06-22 20:20:57,199 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 20:20:57,199 INFO ]: Difference is false [2018-06-22 20:20:57,199 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 20:20:57,199 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 20:20:57,212 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 20:20:57,223 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 20:20:57,223 INFO ]: Found error trace [2018-06-22 20:20:57,224 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:20:57,224 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:20:57,233 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 20:20:57,235 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:20:57,236 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:20:57,273 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:20:57,273 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:20:57,273 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:20:57,345 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:20:57,558 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 20:20:57,560 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 20:20:57,560 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 20:20:57,561 INFO ]: Interpolant automaton has 4 states [2018-06-22 20:20:57,571 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 20:20:57,572 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:20:57,573 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 20:20:57,686 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 20:20:57,686 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 20:20:57,687 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 20:20:57,688 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 20:20:57,688 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 20:20:57,701 INFO ]: With dead ends: 13 [2018-06-22 20:20:57,701 INFO ]: Without dead ends: 13 [2018-06-22 20:20:57,707 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 20:20:57,719 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 20:20:57,739 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 20:20:57,740 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 20:20:57,740 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 20:20:57,742 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 20:20:57,742 INFO ]: Finished accepts. word is rejected. [2018-06-22 20:20:57,742 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 20:20:57,742 INFO ]: Interpolant automaton has 4 states. [2018-06-22 20:20:57,742 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 20:20:57,743 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 20:20:57,743 INFO ]: Found error trace [2018-06-22 20:20:57,743 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:20:57,744 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:20:57,744 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 20:20:57,744 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:20:57,744 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:20:57,745 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:20:57,745 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:20:57,745 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:20:57,805 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:20:58,630 WARN ]: Spent 627.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 36 [2018-06-22 20:20:58,843 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 20:20:58,843 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 20:20:58,843 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 20:20:58,851 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:20:58,950 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:20:58,962 INFO ]: Computing forward predicates... [2018-06-22 20:20:59,340 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:20:59,553 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:21:02,648 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:21:02,807 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:21:03,261 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:21:03,378 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:21:03,811 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:21:03,917 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:21:06,537 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:21:06,697 WARN ]: expecting exponential blowup for input size 11 [2018-06-22 20:21:07,117 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:21:07,184 WARN ]: expecting exponential blowup for input size 10 [2018-06-22 20:21:07,474 WARN ]: expecting exponential blowup for input size 14 [2018-06-22 20:21:07,759 WARN ]: Simplifying disjunction of 34992 conjuctions. This might take some time... Received shutdown request... [2018-06-22 20:22:18,442 INFO ]: Timeout while computing interpolants [2018-06-22 20:22:18,643 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 20:22:18,643 WARN ]: Verification canceled [2018-06-22 20:22:18,646 WARN ]: Timeout [2018-06-22 20:22:18,647 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:22:18 BoogieIcfgContainer [2018-06-22 20:22:18,647 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:22:18,647 INFO ]: Toolchain (without parser) took 81973.47 ms. Allocated memory was 302.0 MB in the beginning and 392.7 MB in the end (delta: 90.7 MB). Free memory was 248.5 MB in the beginning and 251.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 181.1 MB. Max. memory is 3.6 GB. [2018-06-22 20:22:18,648 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 302.0 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:22:18,649 INFO ]: ChcToBoogie took 52.49 ms. Allocated memory is still 302.0 MB. Free memory was 248.5 MB in the beginning and 246.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:22:18,649 INFO ]: Boogie Preprocessor took 57.54 ms. Allocated memory is still 302.0 MB. Free memory was 246.5 MB in the beginning and 244.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:22:18,650 INFO ]: RCFGBuilder took 293.16 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 227.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:22:18,653 INFO ]: TraceAbstraction took 81553.55 ms. Allocated memory was 302.0 MB in the beginning and 392.7 MB in the end (delta: 90.7 MB). Free memory was 227.5 MB in the beginning and 251.2 MB in the end (delta: -23.7 MB). Peak memory consumption was 160.1 MB. Max. memory is 3.6 GB. [2018-06-22 20:22:18,656 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 302.0 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 52.49 ms. Allocated memory is still 302.0 MB. Free memory was 248.5 MB in the beginning and 246.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 57.54 ms. Allocated memory is still 302.0 MB. Free memory was 246.5 MB in the beginning and 244.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 293.16 ms. Allocated memory is still 302.0 MB. Free memory was 244.6 MB in the beginning and 227.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 81553.55 ms. Allocated memory was 302.0 MB in the beginning and 392.7 MB in the end (delta: 90.7 MB). Free memory was 227.5 MB in the beginning and 251.2 MB in the end (delta: -23.7 MB). Peak memory consumption was 160.1 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 34992 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 81.4s 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, 0.0s 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, 184 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/SYNAPSE_6_e2_1439_e1_954.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-22-18-672.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/SYNAPSE_6_e2_1439_e1_954.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-22-18-672.csv Completed graceful shutdown