java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_4.cil.c_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 12:16:45,245 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:16:45,247 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:16:45,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-10-02 12:16:45,304 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-10-02 12:16:45,334 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:16:45,334 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:16:45,335 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:16:45,335 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:16:45,336 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:16:45,336 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:16:45,336 INFO L133 SettingsManager]: * Use SBE=true [2018-10-02 12:16:45,337 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:16:45,337 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:16:45,337 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:16:45,337 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:16:45,337 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:16:45,338 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:16:45,338 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:16:45,338 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:16:45,338 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:16:45,338 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:16:45,338 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:16:45,339 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:16:45,339 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-02 12:16:45,339 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:16:45,339 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-02 12:16:45,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-02 12:16:45,340 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:16:45,340 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:16:45,340 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:16:45,340 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-02 12:16:45,340 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:16:45,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:16:45,341 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:16:45,341 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 12:16:45,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:16:45,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:16:45,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:16:45,421 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:16:45,422 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:16:45,422 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_4.cil.c_14.bpl [2018-10-02 12:16:45,422 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_4.cil.c_14.bpl' [2018-10-02 12:16:45,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:16:45,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:16:45,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:16:45,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:16:45,504 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:16:45,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:45" (1/1) ... [2018-10-02 12:16:45,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:45" (1/1) ... [2018-10-02 12:16:45,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:16:45,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:16:45,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:16:45,558 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:16:45,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:45" (1/1) ... [2018-10-02 12:16:45,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:45" (1/1) ... [2018-10-02 12:16:45,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:45" (1/1) ... [2018-10-02 12:16:45,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:45" (1/1) ... [2018-10-02 12:16:45,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:45" (1/1) ... [2018-10-02 12:16:45,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:45" (1/1) ... [2018-10-02 12:16:45,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:45" (1/1) ... [2018-10-02 12:16:45,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:16:45,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:16:45,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:16:45,616 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:16:45,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 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 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-02 12:16:45,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 12:16:45,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 12:16:46,259 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 12:16:46,259 INFO L202 PluginConnector]: Adding new model s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:16:46 BoogieIcfgContainer [2018-10-02 12:16:46,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:16:46,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-02 12:16:46,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-02 12:16:46,264 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-02 12:16:46,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:45" (1/2) ... [2018-10-02 12:16:46,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232cf55b and model type s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:16:46, skipping insertion in model container [2018-10-02 12:16:46,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:16:46" (2/2) ... [2018-10-02 12:16:46,268 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_4.cil.c_14.bpl [2018-10-02 12:16:46,278 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-02 12:16:46,287 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-02 12:16:46,335 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-02 12:16:46,336 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-02 12:16:46,336 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-02 12:16:46,336 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-02 12:16:46,336 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-02 12:16:46,336 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-02 12:16:46,336 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-02 12:16:46,337 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-02 12:16:46,337 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-02 12:16:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2018-10-02 12:16:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 12:16:46,359 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:46,360 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:46,361 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:46,367 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:46,367 INFO L82 PathProgramCache]: Analyzing trace with hash 212045975, now seen corresponding path program 1 times [2018-10-02 12:16:46,369 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:46,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:46,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:46,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:46,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:16:46,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:46,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-02 12:16:46,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:46,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:46,650 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:46,651 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2018-10-02 12:16:46,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:46,834 INFO L93 Difference]: Finished difference Result 27 states and 39 transitions. [2018-10-02 12:16:46,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:46,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-10-02 12:16:46,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:46,865 INFO L225 Difference]: With dead ends: 27 [2018-10-02 12:16:46,866 INFO L226 Difference]: Without dead ends: 14 [2018-10-02 12:16:46,874 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:46,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-10-02 12:16:46,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-10-02 12:16:46,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-10-02 12:16:46,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2018-10-02 12:16:46,923 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 19 transitions. Word has length 8 [2018-10-02 12:16:46,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:46,923 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 19 transitions. [2018-10-02 12:16:46,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2018-10-02 12:16:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 12:16:46,925 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:46,925 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:46,925 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:46,926 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:46,926 INFO L82 PathProgramCache]: Analyzing trace with hash -251001873, now seen corresponding path program 1 times [2018-10-02 12:16:46,926 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:46,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:46,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:46,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:46,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:16:47,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:47,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 12:16:47,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:47,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:47,034 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:47,034 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. Second operand 3 states. [2018-10-02 12:16:47,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:47,321 INFO L93 Difference]: Finished difference Result 29 states and 41 transitions. [2018-10-02 12:16:47,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:47,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-10-02 12:16:47,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:47,324 INFO L225 Difference]: With dead ends: 29 [2018-10-02 12:16:47,324 INFO L226 Difference]: Without dead ends: 18 [2018-10-02 12:16:47,325 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:47,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-10-02 12:16:47,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-10-02 12:16:47,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-10-02 12:16:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2018-10-02 12:16:47,331 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 11 [2018-10-02 12:16:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:47,331 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions. [2018-10-02 12:16:47,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-10-02 12:16:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:16:47,332 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:47,333 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:47,333 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:47,334 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:47,334 INFO L82 PathProgramCache]: Analyzing trace with hash -129109843, now seen corresponding path program 1 times [2018-10-02 12:16:47,334 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:47,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:47,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:47,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:47,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-02 12:16:47,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:47,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 12:16:47,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:47,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:47,477 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:47,477 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. Second operand 3 states. [2018-10-02 12:16:47,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:47,753 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2018-10-02 12:16:47,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:47,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-10-02 12:16:47,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:47,756 INFO L225 Difference]: With dead ends: 39 [2018-10-02 12:16:47,756 INFO L226 Difference]: Without dead ends: 24 [2018-10-02 12:16:47,757 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:47,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-10-02 12:16:47,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-10-02 12:16:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-10-02 12:16:47,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2018-10-02 12:16:47,763 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 15 [2018-10-02 12:16:47,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:47,763 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2018-10-02 12:16:47,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2018-10-02 12:16:47,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 12:16:47,765 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:47,765 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:47,765 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:47,765 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:47,766 INFO L82 PathProgramCache]: Analyzing trace with hash 817687483, now seen corresponding path program 1 times [2018-10-02 12:16:47,766 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:47,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:47,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:47,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:47,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:47,860 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-02 12:16:47,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:47,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 12:16:47,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:47,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:47,861 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:47,862 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand 3 states. [2018-10-02 12:16:47,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:47,949 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2018-10-02 12:16:47,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:47,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-10-02 12:16:47,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:47,952 INFO L225 Difference]: With dead ends: 35 [2018-10-02 12:16:47,952 INFO L226 Difference]: Without dead ends: 33 [2018-10-02 12:16:47,953 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:47,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-10-02 12:16:47,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2018-10-02 12:16:47,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-10-02 12:16:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2018-10-02 12:16:47,961 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 23 [2018-10-02 12:16:47,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:47,961 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2018-10-02 12:16:47,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2018-10-02 12:16:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 12:16:47,962 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:47,963 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:47,963 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:47,963 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:47,963 INFO L82 PathProgramCache]: Analyzing trace with hash 424660473, now seen corresponding path program 1 times [2018-10-02 12:16:47,963 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:47,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:47,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:47,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:47,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-02 12:16:48,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:48,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 12:16:48,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:48,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:48,062 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:48,062 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand 3 states. [2018-10-02 12:16:48,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:48,128 INFO L93 Difference]: Finished difference Result 62 states and 81 transitions. [2018-10-02 12:16:48,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:48,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-10-02 12:16:48,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:48,129 INFO L225 Difference]: With dead ends: 62 [2018-10-02 12:16:48,129 INFO L226 Difference]: Without dead ends: 33 [2018-10-02 12:16:48,130 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:48,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-10-02 12:16:48,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-10-02 12:16:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-10-02 12:16:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2018-10-02 12:16:48,141 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 23 [2018-10-02 12:16:48,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:48,141 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2018-10-02 12:16:48,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:48,141 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2018-10-02 12:16:48,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-02 12:16:48,143 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:48,143 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:48,143 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:48,143 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:48,143 INFO L82 PathProgramCache]: Analyzing trace with hash 944888583, now seen corresponding path program 1 times [2018-10-02 12:16:48,144 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:48,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:48,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:48,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:48,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-02 12:16:48,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:48,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 12:16:48,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:48,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:48,234 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:48,234 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand 3 states. [2018-10-02 12:16:48,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:48,732 INFO L93 Difference]: Finished difference Result 75 states and 101 transitions. [2018-10-02 12:16:48,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:48,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-10-02 12:16:48,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:48,734 INFO L225 Difference]: With dead ends: 75 [2018-10-02 12:16:48,734 INFO L226 Difference]: Without dead ends: 45 [2018-10-02 12:16:48,735 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:48,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-10-02 12:16:48,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-10-02 12:16:48,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-10-02 12:16:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2018-10-02 12:16:48,744 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 31 [2018-10-02 12:16:48,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:48,745 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2018-10-02 12:16:48,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-10-02 12:16:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 12:16:48,746 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:48,746 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:48,746 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:48,747 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:48,747 INFO L82 PathProgramCache]: Analyzing trace with hash -680849109, now seen corresponding path program 1 times [2018-10-02 12:16:48,747 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:48,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:48,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:48,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:48,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-02 12:16:48,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:48,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 12:16:48,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:48,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:48,863 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:48,863 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand 3 states. [2018-10-02 12:16:49,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:49,036 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions. [2018-10-02 12:16:49,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:49,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-10-02 12:16:49,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:49,047 INFO L225 Difference]: With dead ends: 97 [2018-10-02 12:16:49,047 INFO L226 Difference]: Without dead ends: 55 [2018-10-02 12:16:49,048 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:49,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-10-02 12:16:49,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-10-02 12:16:49,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-02 12:16:49,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2018-10-02 12:16:49,057 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 38 [2018-10-02 12:16:49,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:49,057 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2018-10-02 12:16:49,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:49,058 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2018-10-02 12:16:49,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 12:16:49,059 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:49,059 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:49,060 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:49,060 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:49,060 INFO L82 PathProgramCache]: Analyzing trace with hash -625573959, now seen corresponding path program 1 times [2018-10-02 12:16:49,060 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:49,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:49,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:49,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:49,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-02 12:16:49,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-02 12:16:49,277 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-02 12:16:49,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:49,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 12:16:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-02 12:16:49,877 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-02 12:16:49,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-10-02 12:16:49,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-02 12:16:49,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-02 12:16:49,878 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:49,878 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand 4 states. [2018-10-02 12:16:50,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:50,234 INFO L93 Difference]: Finished difference Result 104 states and 117 transitions. [2018-10-02 12:16:50,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-02 12:16:50,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-10-02 12:16:50,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:50,235 INFO L225 Difference]: With dead ends: 104 [2018-10-02 12:16:50,235 INFO L226 Difference]: Without dead ends: 0 [2018-10-02 12:16:50,237 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time 0.1s impTime [2018-10-02 12:16:50,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-02 12:16:50,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-02 12:16:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-02 12:16:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-02 12:16:50,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-10-02 12:16:50,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:50,239 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-02 12:16:50,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-02 12:16:50,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-02 12:16:50,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-02 12:16:50,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-02 12:16:50,496 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 21 [2018-10-02 12:16:50,773 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2018-10-02 12:16:51,134 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-10-02 12:16:51,412 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 391) no Hoare annotation was computed. [2018-10-02 12:16:51,413 INFO L421 ceAbstractionStarter]: At program point L349(lines 349 364) the Hoare annotation is: (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) [2018-10-02 12:16:51,413 INFO L421 ceAbstractionStarter]: At program point L374(lines 374 389) the Hoare annotation is: false [2018-10-02 12:16:51,413 INFO L421 ceAbstractionStarter]: At program point L339(lines 339 350) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)))) [2018-10-02 12:16:51,413 INFO L421 ceAbstractionStarter]: At program point L368(lines 363 383) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) [2018-10-02 12:16:51,414 INFO L421 ceAbstractionStarter]: At program point L271(lines 271 287) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8464)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)))) [2018-10-02 12:16:51,414 INFO L421 ceAbstractionStarter]: At program point L321(lines 321 329) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)))) [2018-10-02 12:16:51,414 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 391) no Hoare annotation was computed. [2018-10-02 12:16:51,414 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 391) no Hoare annotation was computed. [2018-10-02 12:16:51,415 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 390) no Hoare annotation was computed. [2018-10-02 12:16:51,415 INFO L421 ceAbstractionStarter]: At program point L295(lines 258 295) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8464)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)))) [2018-10-02 12:16:51,415 INFO L421 ceAbstractionStarter]: At program point L357(lines 357 375) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) [2018-10-02 12:16:51,415 INFO L421 ceAbstractionStarter]: At program point L388(lines 286 388) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)))) [2018-10-02 12:16:51,416 INFO L421 ceAbstractionStarter]: At program point L291(lines 291 310) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~5 3))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~5 2) (= ULTIMATE.start_ssl3_accept_~s__state~5 8656)) (and .cse0 (= ULTIMATE.start_ssl3_accept_~s__state~5 8496)) (and .cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~5)) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~5 8640) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~5 8640)))) [2018-10-02 12:16:51,429 INFO L202 PluginConnector]: Adding new model s3_srvr_4.cil.c_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 12:16:51 BoogieIcfgContainer [2018-10-02 12:16:51,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-02 12:16:51,430 INFO L168 Benchmark]: Toolchain (without parser) took 5930.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 266.9 MB). Peak memory consumption was 266.9 MB. Max. memory is 7.1 GB. [2018-10-02 12:16:51,432 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:16:51,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:16:51,434 INFO L168 Benchmark]: Boogie Preprocessor took 56.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:16:51,434 INFO L168 Benchmark]: RCFGBuilder took 644.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-02 12:16:51,436 INFO L168 Benchmark]: TraceAbstraction took 5168.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 235.2 MB). Peak memory consumption was 235.2 MB. Max. memory is 7.1 GB. [2018-10-02 12:16:51,440 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 54.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 644.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5168.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 235.2 MB). Peak memory consumption was 235.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 390]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8464)) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8496)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8640) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (((ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8496)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8640) - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: ((ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8640) - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((((ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8464)) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8496)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8640) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8640) - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((ssl3_accept_~blastFlag~5 == 2 && ssl3_accept_~s__state~5 == 8656) || (ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8496)) || (ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5)) || ((ssl3_accept_~s__s3__tmp__next_state___0~5 <= 8640 && ssl3_accept_~blastFlag~5 <= 3) && ssl3_accept_~s__state~5 <= 8640) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 <= 3 && ssl3_accept_~s__state~5 == 8656 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: ssl3_accept_~blastFlag~5 <= 3 && 8672 <= ssl3_accept_~s__state~5 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. SAFE Result, 5.0s OverallTime, 8 OverallIterations, 7 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 125 SDtfs, 15 SDslu, 52 SDs, 0 SdLazy, 119 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=7, 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, 8 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 61 NumberOfFragments, 214 HoareAnnotationTreeSize, 10 FomulaSimplifications, 304 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 10624 SizeOfPredicates, 2 NumberOfNonLiveVariables, 381 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 327/337 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_4.cil.c_14.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-02_12-16-51-455.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_4.cil.c_14.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-02_12-16-51-455.csv Received shutdown request...