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/ctigar/sendmail-mime-fromqp.c.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 05:51:21,768 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 05:51:21,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 05:51:21,784 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 05:51:21,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 05:51:21,786 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 05:51:21,787 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 05:51:21,794 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 05:51:21,796 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 05:51:21,798 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 05:51:21,798 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 05:51:21,799 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 05:51:21,799 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 05:51:21,802 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 05:51:21,803 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 05:51:21,804 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 05:51:21,812 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 05:51:21,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 05:51:21,815 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 05:51:21,819 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 05:51:21,820 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 05:51:21,823 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 05:51:21,823 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 05:51:21,824 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 05:51:21,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 05:51:21,825 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 05:51:21,828 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 05:51:21,828 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 05:51:21,829 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 05:51:21,830 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 05:51:21,830 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 05:51:21,835 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 05:51:21,835 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 05:51:21,836 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 05:51:21,837 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 05:51:21,837 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 05:51:21,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 05:51:21,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 05:51:21,850 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 05:51:21,850 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 05:51:21,851 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 05:51:21,852 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 05:51:21,852 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 05:51:21,852 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 05:51:21,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 05:51:21,852 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 05:51:21,853 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 05:51:21,853 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 05:51:21,853 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 05:51:21,853 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 05:51:21,853 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 05:51:21,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 05:51:21,854 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 05:51:21,856 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 05:51:21,856 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 05:51:21,902 INFO ]: Repository-Root is: /tmp [2018-06-22 05:51:21,921 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 05:51:21,929 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 05:51:21,930 INFO ]: Initializing SmtParser... [2018-06-22 05:51:21,930 INFO ]: SmtParser initialized [2018-06-22 05:51:21,931 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/vmt-chc-benchmarks/ctigar/sendmail-mime-fromqp.c.smt2 [2018-06-22 05:51:21,932 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 05:51:22,034 INFO ]: Executing SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/sendmail-mime-fromqp.c.smt2 unknown [2018-06-22 05:51:22,398 INFO ]: Succesfully executed SMT file /storage/chc-comp/vmt-chc-benchmarks/ctigar/sendmail-mime-fromqp.c.smt2 [2018-06-22 05:51:22,404 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 05:51:22,410 INFO ]: Walking toolchain with 4 elements. [2018-06-22 05:51:22,411 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 05:51:22,411 INFO ]: Initializing ChcToBoogie... [2018-06-22 05:51:22,411 INFO ]: ChcToBoogie initialized [2018-06-22 05:51:22,415 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:51:22" (1/1) ... [2018-06-22 05:51:22,468 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:22 Unit [2018-06-22 05:51:22,468 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 05:51:22,469 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 05:51:22,469 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 05:51:22,469 INFO ]: Boogie Preprocessor initialized [2018-06-22 05:51:22,490 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:22" (1/1) ... [2018-06-22 05:51:22,490 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:22" (1/1) ... [2018-06-22 05:51:22,499 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:22" (1/1) ... [2018-06-22 05:51:22,512 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:22" (1/1) ... [2018-06-22 05:51:22,518 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:22" (1/1) ... [2018-06-22 05:51:22,520 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:22" (1/1) ... [2018-06-22 05:51:22,531 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:22" (1/1) ... [2018-06-22 05:51:22,534 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 05:51:22,535 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 05:51:22,535 INFO ]: Initializing RCFGBuilder... [2018-06-22 05:51:22,535 INFO ]: RCFGBuilder initialized [2018-06-22 05:51:22,536 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:22" (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 05:51:22,568 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-22 05:51:22,568 INFO ]: Found specification of procedure gotoProc [2018-06-22 05:51:22,568 INFO ]: Found implementation of procedure gotoProc [2018-06-22 05:51:22,568 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 05:51:22,568 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 05:51:22,568 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 05:51:22,826 INFO ]: Using library mode [2018-06-22 05:51:22,827 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:51:22 BoogieIcfgContainer [2018-06-22 05:51:22,827 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 05:51:22,836 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 05:51:22,836 INFO ]: Initializing TraceAbstraction... [2018-06-22 05:51:22,839 INFO ]: TraceAbstraction initialized [2018-06-22 05:51:22,839 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 05:51:22" (1/3) ... [2018-06-22 05:51:22,840 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a71a274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 05:51:22, skipping insertion in model container [2018-06-22 05:51:22,840 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 05:51:22" (2/3) ... [2018-06-22 05:51:22,841 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a71a274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:51:22, skipping insertion in model container [2018-06-22 05:51:22,841 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:51:22" (3/3) ... [2018-06-22 05:51:22,849 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 05:51:22,859 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 05:51:22,870 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-22 05:51:22,927 INFO ]: Using default assertion order modulation [2018-06-22 05:51:22,928 INFO ]: Interprodecural is true [2018-06-22 05:51:22,928 INFO ]: Hoare is false [2018-06-22 05:51:22,928 INFO ]: Compute interpolants for FPandBP [2018-06-22 05:51:22,928 INFO ]: Backedges is TWOTRACK [2018-06-22 05:51:22,928 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 05:51:22,928 INFO ]: Difference is false [2018-06-22 05:51:22,928 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 05:51:22,928 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 05:51:22,946 INFO ]: Start isEmpty. Operand 10 states. [2018-06-22 05:51:22,955 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-22 05:51:22,955 INFO ]: Found error trace [2018-06-22 05:51:22,956 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-22 05:51:22,956 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 05:51:22,960 INFO ]: Analyzing trace with hash 1284994894, now seen corresponding path program 1 times [2018-06-22 05:51:22,961 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 05:51:22,962 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 05:51:22,994 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:51:22,994 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 05:51:22,994 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:51:23,050 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:51:23,271 WARN ]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-06-22 05:51:23,274 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:51:23,277 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-22 05:51:23,277 INFO ]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-06-22 05:51:23,279 INFO ]: Interpolant automaton has 3 states [2018-06-22 05:51:23,293 INFO ]: Constructing interpolant automaton starting with 3 interpolants. [2018-06-22 05:51:23,294 INFO ]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 05:51:23,296 INFO ]: Start difference. First operand 10 states. Second operand 3 states. [2018-06-22 05:51:23,383 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 05:51:23,384 INFO ]: Finished difference Result 9 states and 9 transitions. [2018-06-22 05:51:23,385 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-06-22 05:51:23,387 INFO ]: Start accepts. Automaton has 3 states. Word has length 7 [2018-06-22 05:51:23,387 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 05:51:23,400 INFO ]: With dead ends: 9 [2018-06-22 05:51:23,400 INFO ]: Without dead ends: 9 [2018-06-22 05:51:23,402 INFO ]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-06-22 05:51:23,422 INFO ]: Start minimizeSevpa. Operand 9 states. [2018-06-22 05:51:23,443 INFO ]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-06-22 05:51:23,444 INFO ]: Start removeUnreachable. Operand 9 states. [2018-06-22 05:51:23,445 INFO ]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-06-22 05:51:23,446 INFO ]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-06-22 05:51:23,446 INFO ]: Finished accepts. word is rejected. [2018-06-22 05:51:23,446 INFO ]: Abstraction has 9 states and 9 transitions. [2018-06-22 05:51:23,446 INFO ]: Interpolant automaton has 3 states. [2018-06-22 05:51:23,446 INFO ]: Start isEmpty. Operand 9 states and 9 transitions. [2018-06-22 05:51:23,446 INFO ]: Finished isEmpty. Found accepting run of length 9 [2018-06-22 05:51:23,446 INFO ]: Found error trace [2018-06-22 05:51:23,446 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 05:51:23,446 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 05:51:23,446 INFO ]: Analyzing trace with hash 1180964567, now seen corresponding path program 1 times [2018-06-22 05:51:23,446 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 05:51:23,446 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 05:51:23,447 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:51:23,447 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 05:51:23,447 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:51:23,496 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:51:23,757 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:51:23,757 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 05:51:23,757 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 05:51:23,773 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 05:51:23,844 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:51:23,854 INFO ]: Computing forward predicates... [2018-06-22 05:51:24,217 WARN ]: Spent 216.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2018-06-22 05:51:24,892 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:51:24,930 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 05:51:24,930 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-06-22 05:51:24,931 INFO ]: Interpolant automaton has 5 states [2018-06-22 05:51:24,931 INFO ]: Constructing interpolant automaton starting with 5 interpolants. [2018-06-22 05:51:24,931 INFO ]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-22 05:51:24,931 INFO ]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-06-22 05:51:25,060 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 05:51:25,060 INFO ]: Finished difference Result 10 states and 10 transitions. [2018-06-22 05:51:25,061 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-22 05:51:25,061 INFO ]: Start accepts. Automaton has 5 states. Word has length 8 [2018-06-22 05:51:25,061 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 05:51:25,062 INFO ]: With dead ends: 10 [2018-06-22 05:51:25,062 INFO ]: Without dead ends: 10 [2018-06-22 05:51:25,063 INFO ]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-06-22 05:51:25,063 INFO ]: Start minimizeSevpa. Operand 10 states. [2018-06-22 05:51:25,064 INFO ]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-06-22 05:51:25,064 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-22 05:51:25,064 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-06-22 05:51:25,064 INFO ]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-06-22 05:51:25,064 INFO ]: Finished accepts. word is rejected. [2018-06-22 05:51:25,064 INFO ]: Abstraction has 10 states and 10 transitions. [2018-06-22 05:51:25,064 INFO ]: Interpolant automaton has 5 states. [2018-06-22 05:51:25,064 INFO ]: Start isEmpty. Operand 10 states and 10 transitions. [2018-06-22 05:51:25,065 INFO ]: Finished isEmpty. Found accepting run of length 10 [2018-06-22 05:51:25,065 INFO ]: Found error trace [2018-06-22 05:51:25,065 INFO ]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 05:51:25,066 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 05:51:25,066 INFO ]: Analyzing trace with hash -2043975570, now seen corresponding path program 2 times [2018-06-22 05:51:25,066 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 05:51:25,066 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 05:51:25,067 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:51:25,067 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-22 05:51:25,067 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:51:25,170 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:51:25,490 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:51:25,490 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 05:51:25,490 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 05:51:25,496 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-06-22 05:51:25,564 INFO ]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-06-22 05:51:25,564 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:51:25,568 INFO ]: Computing forward predicates... [2018-06-22 05:51:26,950 INFO ]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:51:26,985 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 05:51:26,985 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-06-22 05:51:26,985 INFO ]: Interpolant automaton has 6 states [2018-06-22 05:51:26,985 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-22 05:51:26,985 INFO ]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-06-22 05:51:26,986 INFO ]: Start difference. First operand 10 states and 10 transitions. Second operand 6 states. [2018-06-22 05:51:27,366 WARN ]: Spent 321.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2018-06-22 05:51:27,795 WARN ]: Spent 201.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 15 [2018-06-22 05:51:27,796 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 05:51:27,796 INFO ]: Finished difference Result 11 states and 11 transitions. [2018-06-22 05:51:27,796 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-06-22 05:51:27,796 INFO ]: Start accepts. Automaton has 6 states. Word has length 9 [2018-06-22 05:51:27,796 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 05:51:27,796 INFO ]: With dead ends: 11 [2018-06-22 05:51:27,796 INFO ]: Without dead ends: 11 [2018-06-22 05:51:27,797 INFO ]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-06-22 05:51:27,797 INFO ]: Start minimizeSevpa. Operand 11 states. [2018-06-22 05:51:27,798 INFO ]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-06-22 05:51:27,798 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-22 05:51:27,798 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-06-22 05:51:27,798 INFO ]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2018-06-22 05:51:27,798 INFO ]: Finished accepts. word is rejected. [2018-06-22 05:51:27,798 INFO ]: Abstraction has 11 states and 11 transitions. [2018-06-22 05:51:27,799 INFO ]: Interpolant automaton has 6 states. [2018-06-22 05:51:27,799 INFO ]: Start isEmpty. Operand 11 states and 11 transitions. [2018-06-22 05:51:27,799 INFO ]: Finished isEmpty. Found accepting run of length 11 [2018-06-22 05:51:27,799 INFO ]: Found error trace [2018-06-22 05:51:27,799 INFO ]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 05:51:27,799 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 05:51:27,799 INFO ]: Analyzing trace with hash 1062095287, now seen corresponding path program 3 times [2018-06-22 05:51:27,799 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 05:51:27,799 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 05:51:27,800 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:51:27,800 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 05:51:27,800 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:51:27,856 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:51:28,169 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:51:28,169 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 05:51:28,169 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 05:51:28,175 INFO ]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-06-22 05:51:28,240 INFO ]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-06-22 05:51:28,240 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:51:28,244 INFO ]: Computing forward predicates... [2018-06-22 05:51:29,709 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:39,688 INFO ]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:51:39,708 INFO ]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-06-22 05:51:39,708 INFO ]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2018-06-22 05:51:39,708 INFO ]: Interpolant automaton has 7 states [2018-06-22 05:51:39,709 INFO ]: Constructing interpolant automaton starting with 7 interpolants. [2018-06-22 05:51:39,709 INFO ]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-06-22 05:51:39,709 INFO ]: Start difference. First operand 11 states and 11 transitions. Second operand 7 states. [2018-06-22 05:51:39,882 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-22 05:51:39,882 INFO ]: Finished difference Result 12 states and 12 transitions. [2018-06-22 05:51:39,882 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-06-22 05:51:39,882 INFO ]: Start accepts. Automaton has 7 states. Word has length 10 [2018-06-22 05:51:39,882 INFO ]: Finished accepts. some prefix is accepted. [2018-06-22 05:51:39,882 INFO ]: With dead ends: 12 [2018-06-22 05:51:39,882 INFO ]: Without dead ends: 12 [2018-06-22 05:51:39,883 INFO ]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2018-06-22 05:51:39,883 INFO ]: Start minimizeSevpa. Operand 12 states. [2018-06-22 05:51:39,884 INFO ]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-06-22 05:51:39,884 INFO ]: Start removeUnreachable. Operand 12 states. [2018-06-22 05:51:39,886 INFO ]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-06-22 05:51:39,886 INFO ]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-06-22 05:51:39,886 INFO ]: Finished accepts. word is rejected. [2018-06-22 05:51:39,886 INFO ]: Abstraction has 12 states and 12 transitions. [2018-06-22 05:51:39,886 INFO ]: Interpolant automaton has 7 states. [2018-06-22 05:51:39,886 INFO ]: Start isEmpty. Operand 12 states and 12 transitions. [2018-06-22 05:51:39,886 INFO ]: Finished isEmpty. Found accepting run of length 12 [2018-06-22 05:51:39,887 INFO ]: Found error trace [2018-06-22 05:51:39,887 INFO ]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2018-06-22 05:51:39,887 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-22 05:51:39,887 INFO ]: Analyzing trace with hash -1433955954, now seen corresponding path program 4 times [2018-06-22 05:51:39,887 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-22 05:51:39,887 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-22 05:51:39,888 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:51:39,888 INFO ]: Changing assertion order to NOT_INCREMENTALLY [2018-06-22 05:51:39,888 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-22 05:51:39,964 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:51:40,527 WARN ]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-06-22 05:51:40,879 WARN ]: Spent 301.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 20 [2018-06-22 05:51:41,023 INFO ]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-22 05:51:41,023 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-22 05:51:41,023 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 05:51:41,029 INFO ]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-06-22 05:51:41,098 INFO ]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-06-22 05:51:41,098 INFO ]: Conjunction of SSA is unsat [2018-06-22 05:51:41,102 INFO ]: Computing forward predicates... [2018-06-22 05:51:50,862 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:50,903 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:50,958 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:51:51,062 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:51,786 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:51,790 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:51,888 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:51,895 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:52,087 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:52,187 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:52,191 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:51:52,492 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:52,499 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:52,526 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:52,531 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:51:52,603 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:52,606 WARN ]: expecting exponential blowup for input size 7 [2018-06-22 05:51:52,675 WARN ]: expecting exponential blowup for input size 6 [2018-06-22 05:51:52,684 WARN ]: expecting exponential blowup for input size 6 Received shutdown request... [2018-06-22 05:52:26,385 INFO ]: Timeout while computing interpolants [2018-06-22 05:52:26,587 WARN ]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-22 05:52:26,587 WARN ]: Verification canceled [2018-06-22 05:52:26,591 WARN ]: Timeout [2018-06-22 05:52:26,592 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:52:26 BoogieIcfgContainer [2018-06-22 05:52:26,592 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 05:52:26,594 INFO ]: Toolchain (without parser) took 64188.42 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 254.1 MB in the beginning and 981.7 MB in the end (delta: -727.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 05:52:26,595 INFO ]: SmtParser took 0.09 ms. Allocated memory is still 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 05:52:26,595 INFO ]: ChcToBoogie took 58.07 ms. Allocated memory is still 305.7 MB. Free memory was 253.1 MB in the beginning and 251.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 05:52:26,596 INFO ]: Boogie Preprocessor took 65.32 ms. Allocated memory is still 305.7 MB. Free memory was 251.0 MB in the beginning and 250.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 3.6 GB. [2018-06-22 05:52:26,596 INFO ]: RCFGBuilder took 292.30 ms. Allocated memory is still 305.7 MB. Free memory was 249.0 MB in the beginning and 236.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 3.6 GB. [2018-06-22 05:52:26,609 INFO ]: TraceAbstraction took 63755.76 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 236.0 MB in the beginning and 981.7 MB in the end (delta: -745.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 3.6 GB. [2018-06-22 05:52:26,612 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 305.7 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 58.07 ms. Allocated memory is still 305.7 MB. Free memory was 253.1 MB in the beginning and 251.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 65.32 ms. Allocated memory is still 305.7 MB. Free memory was 251.0 MB in the beginning and 250.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 3.6 GB. * RCFGBuilder took 292.30 ms. Allocated memory is still 305.7 MB. Free memory was 249.0 MB in the beginning and 236.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 63755.76 ms. Allocated memory was 305.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 236.0 MB in the beginning and 981.7 MB in the end (delta: -745.7 MB). Peak memory consumption was 1.4 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 12 with TraceHistMax 4, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while XnfDer was eliminating 17862 quantified variables from 17 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 10 locations, 1 error locations. TIMEOUT Result, 63.6s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28 SDtfs, 4 SDslu, 46 SDs, 0 SdLazy, 23 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=4, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 14.9s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 1799 SizeOfPredicates, 18 NumberOfNonLiveVariables, 564 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/20 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/sendmail-mime-fromqp.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_05-52-26-627.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sendmail-mime-fromqp.c.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_05-52-26-627.csv Completed graceful shutdown