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/AutomizerBplTransformed.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_7.cil.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d769cf3 [2018-10-15 15:34:57,291 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-15 15:34:57,293 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-15 15:34:57,308 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-15 15:34:57,309 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-15 15:34:57,310 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-15 15:34:57,311 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-15 15:34:57,313 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-15 15:34:57,315 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-15 15:34:57,315 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-15 15:34:57,316 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-15 15:34:57,339 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-15 15:34:57,339 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-15 15:34:57,340 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-15 15:34:57,341 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-15 15:34:57,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-15 15:34:57,342 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-15 15:34:57,343 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-15 15:34:57,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-15 15:34:57,344 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-15 15:34:57,347 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-15 15:34:57,356 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-15 15:34:57,357 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-15 15:34:57,357 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-15 15:34:57,358 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-15 15:34:57,358 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-15 15:34:57,358 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-15 15:34:57,359 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-15 15:34:57,359 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-15 15:34:57,359 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-15 15:34:57,359 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-15 15:34:57,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-15 15:34:57,360 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-15 15:34:57,360 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-15 15:34:57,361 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-15 15:34:57,361 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-15 15:34:57,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-15 15:34:57,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-15 15:34:57,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-15 15:34:57,444 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-15 15:34:57,445 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-15 15:34:57,445 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_7.cil.c_19.bpl [2018-10-15 15:34:57,446 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_7.cil.c_19.bpl' [2018-10-15 15:34:57,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-15 15:34:57,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-15 15:34:57,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-15 15:34:57,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-15 15:34:57,552 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-15 15:34:57,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:57" (1/1) ... [2018-10-15 15:34:57,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:57" (1/1) ... [2018-10-15 15:34:57,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:57" (1/1) ... [2018-10-15 15:34:57,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:57" (1/1) ... [2018-10-15 15:34:57,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:57" (1/1) ... [2018-10-15 15:34:57,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:57" (1/1) ... [2018-10-15 15:34:57,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:57" (1/1) ... [2018-10-15 15:34:57,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-15 15:34:57,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-15 15:34:57,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-15 15:34:57,643 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-15 15:34:57,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:57" (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: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 [2018-10-15 15:34:57,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-15 15:34:57,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-15 15:34:58,728 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-15 15:34:58,729 INFO L202 PluginConnector]: Adding new model s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:58 BoogieIcfgContainer [2018-10-15 15:34:58,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-15 15:34:58,729 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-10-15 15:34:58,729 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-10-15 15:34:58,730 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-10-15 15:34:58,733 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:58" (1/1) ... [2018-10-15 15:34:58,738 WARN L219 ansformationObserver]: HeapSeparator: input icfg has no '#valid' array -- returning unchanged Icfg! [2018-10-15 15:34:58,760 INFO L202 PluginConnector]: Adding new model s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 03:34:58 BasicIcfg [2018-10-15 15:34:58,760 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-10-15 15:34:58,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-15 15:34:58,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-15 15:34:58,764 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-15 15:34:58,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.10 03:34:57" (1/3) ... [2018-10-15 15:34:58,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187fbea2 and model type s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:34:58, skipping insertion in model container [2018-10-15 15:34:58,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:58" (2/3) ... [2018-10-15 15:34:58,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187fbea2 and model type s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:34:58, skipping insertion in model container [2018-10-15 15:34:58,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.10 03:34:58" (3/3) ... [2018-10-15 15:34:58,770 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_7.cil.c_19.bplleft_unchanged_by_heapseparator [2018-10-15 15:34:58,781 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-15 15:34:58,791 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-15 15:34:58,809 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-15 15:34:58,837 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-15 15:34:58,838 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-15 15:34:58,838 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-15 15:34:58,839 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-15 15:34:58,839 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-15 15:34:58,839 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-15 15:34:58,839 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-15 15:34:58,839 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-15 15:34:58,839 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-15 15:34:58,862 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2018-10-15 15:34:58,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-15 15:34:58,881 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:34:58,883 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:34:58,884 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:34:58,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:34:58,890 INFO L82 PathProgramCache]: Analyzing trace with hash 127419863, now seen corresponding path program 1 times [2018-10-15 15:34:58,949 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:34:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:34:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:34:59,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:34:59,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:34:59,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:34:59,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:34:59,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:34:59,333 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2018-10-15 15:34:59,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:34:59,502 INFO L93 Difference]: Finished difference Result 297 states and 305 transitions. [2018-10-15 15:34:59,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:34:59,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2018-10-15 15:34:59,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:34:59,521 INFO L225 Difference]: With dead ends: 297 [2018-10-15 15:34:59,522 INFO L226 Difference]: Without dead ends: 282 [2018-10-15 15:34:59,524 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:34:59,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-10-15 15:34:59,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 277. [2018-10-15 15:34:59,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-10-15 15:34:59,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 285 transitions. [2018-10-15 15:34:59,584 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 285 transitions. Word has length 177 [2018-10-15 15:34:59,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:34:59,586 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 285 transitions. [2018-10-15 15:34:59,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:34:59,586 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 285 transitions. [2018-10-15 15:34:59,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-15 15:34:59,591 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:34:59,591 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:34:59,592 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:34:59,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:34:59,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1076723950, now seen corresponding path program 1 times [2018-10-15 15:34:59,594 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:34:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:34:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-15 15:34:59,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:34:59,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:34:59,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:34:59,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:34:59,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:34:59,790 INFO L87 Difference]: Start difference. First operand 277 states and 285 transitions. Second operand 3 states. [2018-10-15 15:35:00,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:35:00,195 INFO L93 Difference]: Finished difference Result 294 states and 302 transitions. [2018-10-15 15:35:00,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:35:00,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2018-10-15 15:35:00,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:35:00,199 INFO L225 Difference]: With dead ends: 294 [2018-10-15 15:35:00,199 INFO L226 Difference]: Without dead ends: 294 [2018-10-15 15:35:00,200 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:00,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-10-15 15:35:00,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-10-15 15:35:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-10-15 15:35:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 302 transitions. [2018-10-15 15:35:00,220 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 302 transitions. Word has length 201 [2018-10-15 15:35:00,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:35:00,221 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 302 transitions. [2018-10-15 15:35:00,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:35:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 302 transitions. [2018-10-15 15:35:00,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-15 15:35:00,226 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:35:00,227 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:35:00,227 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:35:00,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:35:00,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1369178295, now seen corresponding path program 1 times [2018-10-15 15:35:00,229 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:35:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:35:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-15 15:35:00,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:35:00,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:35:00,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:35:00,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:35:00,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:00,416 INFO L87 Difference]: Start difference. First operand 294 states and 302 transitions. Second operand 3 states. [2018-10-15 15:35:00,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:35:00,718 INFO L93 Difference]: Finished difference Result 332 states and 341 transitions. [2018-10-15 15:35:00,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:35:00,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2018-10-15 15:35:00,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:35:00,727 INFO L225 Difference]: With dead ends: 332 [2018-10-15 15:35:00,727 INFO L226 Difference]: Without dead ends: 332 [2018-10-15 15:35:00,732 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:00,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-10-15 15:35:00,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2018-10-15 15:35:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-10-15 15:35:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 336 transitions. [2018-10-15 15:35:00,750 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 336 transitions. Word has length 227 [2018-10-15 15:35:00,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:35:00,751 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 336 transitions. [2018-10-15 15:35:00,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:35:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 336 transitions. [2018-10-15 15:35:00,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-15 15:35:00,756 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:35:00,757 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:35:00,757 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:35:00,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:35:00,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1140271147, now seen corresponding path program 1 times [2018-10-15 15:35:00,759 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:35:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:35:00,988 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-15 15:35:00,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:35:00,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:35:00,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:35:00,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:35:00,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:00,991 INFO L87 Difference]: Start difference. First operand 328 states and 336 transitions. Second operand 3 states. [2018-10-15 15:35:01,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:35:01,316 INFO L93 Difference]: Finished difference Result 364 states and 372 transitions. [2018-10-15 15:35:01,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:35:01,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2018-10-15 15:35:01,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:35:01,325 INFO L225 Difference]: With dead ends: 364 [2018-10-15 15:35:01,325 INFO L226 Difference]: Without dead ends: 364 [2018-10-15 15:35:01,325 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:01,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-10-15 15:35:01,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2018-10-15 15:35:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-10-15 15:35:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 372 transitions. [2018-10-15 15:35:01,347 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 372 transitions. Word has length 274 [2018-10-15 15:35:01,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:35:01,348 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 372 transitions. [2018-10-15 15:35:01,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:35:01,348 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 372 transitions. [2018-10-15 15:35:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-10-15 15:35:01,354 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:35:01,354 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:35:01,355 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:35:01,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:35:01,355 INFO L82 PathProgramCache]: Analyzing trace with hash 65693512, now seen corresponding path program 1 times [2018-10-15 15:35:01,356 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:35:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:35:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-15 15:35:01,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:35:01,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:35:01,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:35:01,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:35:01,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:01,648 INFO L87 Difference]: Start difference. First operand 364 states and 372 transitions. Second operand 3 states. [2018-10-15 15:35:01,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:35:01,721 INFO L93 Difference]: Finished difference Result 417 states and 425 transitions. [2018-10-15 15:35:01,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:35:01,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 321 [2018-10-15 15:35:01,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:35:01,727 INFO L225 Difference]: With dead ends: 417 [2018-10-15 15:35:01,727 INFO L226 Difference]: Without dead ends: 410 [2018-10-15 15:35:01,727 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:01,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-10-15 15:35:01,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2018-10-15 15:35:01,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2018-10-15 15:35:01,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 418 transitions. [2018-10-15 15:35:01,738 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 418 transitions. Word has length 321 [2018-10-15 15:35:01,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:35:01,739 INFO L481 AbstractCegarLoop]: Abstraction has 410 states and 418 transitions. [2018-10-15 15:35:01,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:35:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 418 transitions. [2018-10-15 15:35:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-15 15:35:01,741 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:35:01,741 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:35:01,742 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:35:01,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:35:01,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1237831073, now seen corresponding path program 1 times [2018-10-15 15:35:01,743 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:35:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:35:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-10-15 15:35:01,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:35:01,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:35:01,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:35:01,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:35:01,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:01,859 INFO L87 Difference]: Start difference. First operand 410 states and 418 transitions. Second operand 3 states. [2018-10-15 15:35:02,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:35:02,039 INFO L93 Difference]: Finished difference Result 464 states and 472 transitions. [2018-10-15 15:35:02,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:35:02,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2018-10-15 15:35:02,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:35:02,042 INFO L225 Difference]: With dead ends: 464 [2018-10-15 15:35:02,042 INFO L226 Difference]: Without dead ends: 464 [2018-10-15 15:35:02,043 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:02,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2018-10-15 15:35:02,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2018-10-15 15:35:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2018-10-15 15:35:02,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 472 transitions. [2018-10-15 15:35:02,052 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 472 transitions. Word has length 322 [2018-10-15 15:35:02,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:35:02,052 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 472 transitions. [2018-10-15 15:35:02,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:35:02,053 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 472 transitions. [2018-10-15 15:35:02,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-15 15:35:02,055 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:35:02,056 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:35:02,056 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:35:02,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:35:02,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1844448576, now seen corresponding path program 1 times [2018-10-15 15:35:02,057 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:35:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:35:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-10-15 15:35:02,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:35:02,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:35:02,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:35:02,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:35:02,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:02,236 INFO L87 Difference]: Start difference. First operand 464 states and 472 transitions. Second operand 3 states. [2018-10-15 15:35:02,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:35:02,522 INFO L93 Difference]: Finished difference Result 560 states and 574 transitions. [2018-10-15 15:35:02,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:35:02,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 351 [2018-10-15 15:35:02,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:35:02,526 INFO L225 Difference]: With dead ends: 560 [2018-10-15 15:35:02,526 INFO L226 Difference]: Without dead ends: 556 [2018-10-15 15:35:02,526 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:02,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-10-15 15:35:02,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 540. [2018-10-15 15:35:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-10-15 15:35:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 553 transitions. [2018-10-15 15:35:02,539 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 553 transitions. Word has length 351 [2018-10-15 15:35:02,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:35:02,540 INFO L481 AbstractCegarLoop]: Abstraction has 540 states and 553 transitions. [2018-10-15 15:35:02,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:35:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 553 transitions. [2018-10-15 15:35:02,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-15 15:35:02,544 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:35:02,544 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:35:02,545 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:35:02,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:35:02,545 INFO L82 PathProgramCache]: Analyzing trace with hash 952155242, now seen corresponding path program 1 times [2018-10-15 15:35:02,546 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:35:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:35:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-15 15:35:02,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-15 15:35:02,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-15 15:35:02,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-15 15:35:02,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-15 15:35:02,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:02,728 INFO L87 Difference]: Start difference. First operand 540 states and 553 transitions. Second operand 3 states. [2018-10-15 15:35:02,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:35:02,938 INFO L93 Difference]: Finished difference Result 546 states and 559 transitions. [2018-10-15 15:35:02,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-15 15:35:02,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 351 [2018-10-15 15:35:02,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:35:02,942 INFO L225 Difference]: With dead ends: 546 [2018-10-15 15:35:02,942 INFO L226 Difference]: Without dead ends: 546 [2018-10-15 15:35:02,942 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-15 15:35:02,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2018-10-15 15:35:02,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2018-10-15 15:35:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-10-15 15:35:02,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 559 transitions. [2018-10-15 15:35:02,954 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 559 transitions. Word has length 351 [2018-10-15 15:35:02,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:35:02,955 INFO L481 AbstractCegarLoop]: Abstraction has 546 states and 559 transitions. [2018-10-15 15:35:02,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-15 15:35:02,955 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 559 transitions. [2018-10-15 15:35:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-10-15 15:35:02,960 INFO L367 BasicCegarLoop]: Found error trace [2018-10-15 15:35:02,960 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-15 15:35:02,961 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-15 15:35:02,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-15 15:35:02,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1261039073, now seen corresponding path program 1 times [2018-10-15 15:35:02,962 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-15 15:35:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-15 15:35:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 666 proven. 27 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-10-15 15:35:03,344 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-15 15:35:03,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-10-15 15:35:03,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-15 15:35:03,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-15 15:35:03,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-15 15:35:03,346 INFO L87 Difference]: Start difference. First operand 546 states and 559 transitions. Second operand 4 states. [2018-10-15 15:35:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-15 15:35:04,905 INFO L93 Difference]: Finished difference Result 583 states and 588 transitions. [2018-10-15 15:35:04,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-15 15:35:04,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 475 [2018-10-15 15:35:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-15 15:35:04,907 INFO L225 Difference]: With dead ends: 583 [2018-10-15 15:35:04,907 INFO L226 Difference]: Without dead ends: 0 [2018-10-15 15:35:04,908 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-15 15:35:04,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-15 15:35:04,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-15 15:35:04,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-15 15:35:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-15 15:35:04,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 475 [2018-10-15 15:35:04,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-15 15:35:04,909 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-15 15:35:04,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-15 15:35:04,909 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-15 15:35:04,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-15 15:35:04,915 INFO L202 PluginConnector]: Adding new model s3_srvr_7.cil.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:35:04 BasicIcfg [2018-10-15 15:35:04,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-15 15:35:04,916 INFO L168 Benchmark]: Toolchain (without parser) took 7367.08 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 190.8 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 15.5 MB). Peak memory consumption was 206.3 MB. Max. memory is 7.1 GB. [2018-10-15 15:35:04,918 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-15 15:35:04,919 INFO L168 Benchmark]: Boogie Preprocessor took 88.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-15 15:35:04,920 INFO L168 Benchmark]: RCFGBuilder took 1086.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-15 15:35:04,921 INFO L168 Benchmark]: IcfgTransformer took 30.78 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. [2018-10-15 15:35:04,921 INFO L168 Benchmark]: TraceAbstraction took 6153.68 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 190.8 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -26.8 MB). Peak memory consumption was 164.0 MB. Max. memory is 7.1 GB. [2018-10-15 15:35:04,926 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 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1086.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * IcfgTransformer took 30.78 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. * TraceAbstraction took 6153.68 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 190.8 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -26.8 MB). Peak memory consumption was 164.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 353]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 6.0s OverallTime, 9 OverallIterations, 9 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2226 SDtfs, 235 SDslu, 1932 SDs, 0 SdLazy, 486 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=546occurred in iteration=8, 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2699 NumberOfCodeBlocks, 2699 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2690 ConstructedInterpolants, 0 QuantifiedInterpolants, 1126740 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 2049/2076 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_7.cil.c_19.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-Benchmark-0-2018-10-15_15-35-04-939.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_srvr_7.cil.c_19.bpl_heapsep-2018-09-18.epf_AutomizerBplTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-15_15-35-04-939.csv Received shutdown request...