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_123_e3_302_e1_1141.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 20:01:49,596 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 20:01:49,598 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 20:01:49,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 20:01:49,611 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 20:01:49,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 20:01:49,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 20:01:49,617 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 20:01:49,619 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 20:01:49,619 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 20:01:49,621 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 20:01:49,622 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 20:01:49,622 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 20:01:49,623 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 20:01:49,626 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 20:01:49,628 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 20:01:49,629 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 20:01:49,639 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 20:01:49,641 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 20:01:49,641 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 20:01:49,643 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 20:01:49,645 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 20:01:49,649 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 20:01:49,649 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 20:01:49,650 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 20:01:49,651 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 20:01:49,652 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 20:01:49,652 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 20:01:49,657 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 20:01:49,657 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 20:01:49,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 20:01:49,659 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 20:01:49,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 20:01:49,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 20:01:49,661 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 20:01:49,661 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_No_Goto.epf [2018-06-22 20:01:49,675 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 20:01:49,676 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 20:01:49,676 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 20:01:49,676 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 20:01:49,677 INFO L131 SettingsManager]: Preferences of ChcToBoogie differ from their defaults: [2018-06-22 20:01:49,677 INFO L133 SettingsManager]: * Use one large procedure with gotos to replace tail recursive calls=false [2018-06-22 20:01:49,678 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 20:01:49,678 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 20:01:49,678 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 20:01:49,678 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 20:01:49,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:01:49,679 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 20:01:49,679 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 20:01:49,679 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 20:01:49,679 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 20:01:49,679 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 20:01:49,679 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 20:01:49,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 20:01:49,680 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 20:01:49,681 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 20:01:49,681 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 20:01:49,723 INFO ]: Repository-Root is: /tmp [2018-06-22 20:01:49,735 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 20:01:49,739 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 20:01:49,741 INFO ]: Initializing SmtParser... [2018-06-22 20:01:49,741 INFO ]: SmtParser initialized [2018-06-22 20:01:49,742 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e3_302_e1_1141.smt2 [2018-06-22 20:01:49,743 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-22 20:01:49,835 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e3_302_e1_1141.smt2 unknown [2018-06-22 20:01:50,223 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/lustre/SYNAPSE_123_e3_302_e1_1141.smt2 [2018-06-22 20:01:50,228 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 20:01:50,234 INFO ]: Walking toolchain with 4 elements. [2018-06-22 20:01:50,235 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 20:01:50,235 INFO ]: Initializing ChcToBoogie... [2018-06-22 20:01:50,235 INFO ]: ChcToBoogie initialized [2018-06-22 20:01:50,242 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:01:50" (1/1) ... [2018-06-22 20:01:50,326 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:50 Unit [2018-06-22 20:01:50,327 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 20:01:50,327 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 20:01:50,327 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 20:01:50,327 INFO ]: Boogie Preprocessor initialized [2018-06-22 20:01:50,353 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:50" (1/1) ... [2018-06-22 20:01:50,353 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:50" (1/1) ... [2018-06-22 20:01:50,363 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:50" (1/1) ... [2018-06-22 20:01:50,363 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:50" (1/1) ... [2018-06-22 20:01:50,373 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:50" (1/1) ... [2018-06-22 20:01:50,374 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:50" (1/1) ... [2018-06-22 20:01:50,376 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:50" (1/1) ... [2018-06-22 20:01:50,379 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 20:01:50,379 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 20:01:50,379 INFO ]: Initializing RCFGBuilder... [2018-06-22 20:01:50,379 INFO ]: RCFGBuilder initialized [2018-06-22 20:01:50,382 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:50" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 20:01:50,393 INFO ]: Specification and implementation of procedure False given in one single declaration [2018-06-22 20:01:50,393 INFO ]: Found specification of procedure False [2018-06-22 20:01:50,393 INFO ]: Found implementation of procedure False [2018-06-22 20:01:50,393 INFO ]: Specification and implementation of procedure state given in one single declaration [2018-06-22 20:01:50,393 INFO ]: Found specification of procedure state [2018-06-22 20:01:50,393 INFO ]: Found implementation of procedure state [2018-06-22 20:01:50,393 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 20:01:50,393 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 20:01:50,393 INFO ]: Found implementation of procedure Ultimate.START [2018-06-22 20:01:50,743 INFO ]: Using library mode [2018-06-22 20:01:50,743 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:01:50 BoogieIcfgContainer [2018-06-22 20:01:50,743 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 20:01:50,745 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 20:01:50,745 INFO ]: Initializing TraceAbstraction... [2018-06-22 20:01:50,748 INFO ]: TraceAbstraction initialized [2018-06-22 20:01:50,748 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 08:01:50" (1/3) ... [2018-06-22 20:01:50,749 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d4352f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 08:01:50, skipping insertion in model container [2018-06-22 20:01:50,750 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 08:01:50" (2/3) ... [2018-06-22 20:01:50,750 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d4352f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 08:01:50, skipping insertion in model container [2018-06-22 20:01:50,750 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 08:01:50" (3/3) ... [2018-06-22 20:01:50,752 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 20:01:50,762 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 20:01:50,778 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 20:01:50,819 INFO ]: Using default assertion order modulation [2018-06-22 20:01:50,820 INFO ]: Interprodecural is true [2018-06-22 20:01:50,820 INFO ]: Hoare is false [2018-06-22 20:01:50,820 INFO ]: Compute interpolants for FPandBP [2018-06-22 20:01:50,820 INFO ]: Backedges is TWOTRACK [2018-06-22 20:01:50,820 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 20:01:50,820 INFO ]: Difference is false [2018-06-22 20:01:50,820 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 20:01:50,820 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 20:01:50,833 INFO ]: Start isEmpty. Operand 13 states. [2018-06-22 20:01:50,844 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 20:01:50,844 INFO ]: Found error trace [2018-06-22 20:01:50,845 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:01:50,845 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:01:50,852 INFO ]: Analyzing trace with hash -683425083, now seen corresponding path program 1 times [2018-06-22 20:01:50,853 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:01:50,854 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:01:50,892 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:01:50,892 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:01:50,892 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:01:50,979 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:01:51,447 WARN ]: Spent 232.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 8 [2018-06-22 20:01:51,449 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 20:01:51,451 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 20:01:51,451 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-22 20:01:51,453 INFO ]: Interpolant automaton has 4 states [2018-06-22 20:01:51,463 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-22 20:01:51,464 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:01:51,466 INFO ]: Start difference. First operand 13 states. Second operand 4 states. [2018-06-22 20:01:51,612 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 20:01:51,612 INFO ]: Finished difference Result 13 states and 14 transitions. [2018-06-22 20:01:51,615 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 20:01:51,616 INFO ]: Start accepts. Automaton has 4 states. Word has length 9 [2018-06-22 20:01:51,616 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 20:01:51,628 INFO ]: With dead ends: 13 [2018-06-22 20:01:51,628 INFO ]: Without dead ends: 13 [2018-06-22 20:01:51,630 INFO ]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-22 20:01:51,643 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-22 20:01:51,663 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-06-22 20:01:51,665 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-22 20:01:51,666 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-06-22 20:01:51,667 INFO ]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2018-06-22 20:01:51,667 INFO ]: Finished accepts. word is rejected. [2018-06-22 20:01:51,667 INFO ]: Abstraction has 13 states and 14 transitions. [2018-06-22 20:01:51,667 INFO ]: Interpolant automaton has 4 states. [2018-06-22 20:01:51,667 INFO ]: Start isEmpty. Operand 13 states and 14 transitions. [2018-06-22 20:01:51,669 INFO ]: Finished isEmpty. Found accepting run of length 14 [2018-06-22 20:01:51,669 INFO ]: Found error trace [2018-06-22 20:01:51,669 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 20:01:51,669 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 20:01:51,670 INFO ]: Analyzing trace with hash 204343015, now seen corresponding path program 1 times [2018-06-22 20:01:51,670 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 20:01:51,670 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 20:01:51,671 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:01:51,671 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:01:51,671 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 20:01:51,773 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:01:54,172 WARN ]: Spent 1.93 s on a formula simplification. DAG size of input: 221 DAG size of output: 86 [2018-06-22 20:01:54,298 INFO ]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-06-22 20:01:54,298 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 20:01:54,298 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 20:01:54,306 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 20:01:54,409 INFO ]: Conjunction of SSA is unsat [2018-06-22 20:01:54,425 INFO ]: Computing forward predicates... [2018-06-22 20:02:06,147 WARN ]: expecting exponential blowup for input size 17 [2018-06-22 20:02:06,365 WARN ]: Simplifying disjunction of 12096 conjuctions. This might take some time... [2018-06-22 20:02:09,611 INFO ]: Simplified to disjunction of 2592 conjuctions. [2018-06-22 20:02:09,653 WARN ]: expecting exponential blowup for input size 26 [2018-06-22 20:02:15,454 WARN ]: Simplifying disjunction of 319680 conjuctions. This might take some time... Received shutdown request... [2018-06-22 20:02:57,259 INFO ]: Timeout while computing interpolants [2018-06-22 20:02:57,459 WARN ]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 20:02:57,460 WARN ]: Verification canceled [2018-06-22 20:02:57,463 WARN ]: Timeout [2018-06-22 20:02:57,463 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 08:02:57 BoogieIcfgContainer [2018-06-22 20:02:57,463 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 20:02:57,464 INFO ]: Toolchain (without parser) took 67235.36 ms. Allocated memory was 304.6 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 249.0 MB in the beginning and 439.9 MB in the end (delta: -190.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 20:02:57,465 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 304.6 MB. Free memory is still 269.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 20:02:57,465 INFO ]: ChcToBoogie took 92.36 ms. Allocated memory is still 304.6 MB. Free memory was 249.0 MB in the beginning and 247.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:02:57,466 INFO ]: Boogie Preprocessor took 51.39 ms. Allocated memory is still 304.6 MB. Free memory was 247.0 MB in the beginning and 245.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:02:57,472 INFO ]: RCFGBuilder took 364.38 ms. Allocated memory is still 304.6 MB. Free memory was 245.1 MB in the beginning and 227.0 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. [2018-06-22 20:02:57,472 INFO ]: TraceAbstraction took 66718.63 ms. Allocated memory was 304.6 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 227.0 MB in the beginning and 439.9 MB in the end (delta: -212.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 3.6 GB. [2018-06-22 20:02:57,475 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 304.6 MB. Free memory is still 269.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 92.36 ms. Allocated memory is still 304.6 MB. Free memory was 249.0 MB in the beginning and 247.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 51.39 ms. Allocated memory is still 304.6 MB. Free memory was 247.0 MB in the beginning and 245.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 364.38 ms. Allocated memory is still 304.6 MB. Free memory was 245.1 MB in the beginning and 227.0 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 66718.63 ms. Allocated memory was 304.6 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 227.0 MB in the beginning and 439.9 MB in the end (delta: -212.9 MB). Peak memory consumption was 1.5 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 PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while DnfTransformerHelper was XNF transformer was simplifying 319680 conjuctions. . - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. TIMEOUT Result, 66.6s 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, 0.3s 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, 0.4s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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_123_e3_302_e1_1141.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_20-02-57-493.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/SYNAPSE_123_e3_302_e1_1141.smt2_AutomizerCHC_No_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_20-02-57-493.csv Completed graceful shutdown