java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loops/eureka_01_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8c3fbe1 [2018-10-22 15:55:29,287 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-22 15:55:29,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-22 15:55:29,304 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-22 15:55:29,304 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-22 15:55:29,305 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-22 15:55:29,309 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-22 15:55:29,311 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-22 15:55:29,315 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-22 15:55:29,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-22 15:55:29,320 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-22 15:55:29,320 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-22 15:55:29,321 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-22 15:55:29,324 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-22 15:55:29,330 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-22 15:55:29,331 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-22 15:55:29,334 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-22 15:55:29,336 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-22 15:55:29,343 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-22 15:55:29,346 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-22 15:55:29,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-22 15:55:29,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-22 15:55:29,353 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-22 15:55:29,364 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-22 15:55:29,382 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-22 15:55:29,382 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-22 15:55:29,383 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-22 15:55:29,383 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-22 15:55:29,383 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-22 15:55:29,384 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-22 15:55:29,384 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-22 15:55:29,384 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-22 15:55:29,384 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-22 15:55:29,385 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-22 15:55:29,385 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-22 15:55:29,385 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-22 15:55:29,386 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-22 15:55:29,386 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-22 15:55:29,386 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-22 15:55:29,386 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-22 15:55:29,387 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-22 15:55:29,387 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-22 15:55:29,387 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-22 15:55:29,387 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-22 15:55:29,388 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-22 15:55:29,388 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-22 15:55:29,388 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-22 15:55:29,388 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-22 15:55:29,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 15:55:29,389 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-22 15:55:29,389 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-22 15:55:29,389 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-22 15:55:29,389 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-22 15:55:29,389 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-22 15:55:29,390 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-22 15:55:29,390 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-22 15:55:29,390 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-22 15:55:29,390 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-22 15:55:29,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-22 15:55:29,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-22 15:55:29,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-22 15:55:29,484 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-22 15:55:29,484 INFO L276 PluginConnector]: CDTParser initialized [2018-10-22 15:55:29,485 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/eureka_01_false-unreach-call_true-termination.i [2018-10-22 15:55:29,552 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0fe9a36ea/7126b8847e9b4c40882330dcc99d374c/FLAG0d9b64080 [2018-10-22 15:55:30,052 INFO L298 CDTParser]: Found 1 translation units. [2018-10-22 15:55:30,053 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/eureka_01_false-unreach-call_true-termination.i [2018-10-22 15:55:30,065 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0fe9a36ea/7126b8847e9b4c40882330dcc99d374c/FLAG0d9b64080 [2018-10-22 15:55:30,082 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0fe9a36ea/7126b8847e9b4c40882330dcc99d374c [2018-10-22 15:55:30,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-22 15:55:30,095 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-22 15:55:30,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-22 15:55:30,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-22 15:55:30,102 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-22 15:55:30,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:55:30" (1/1) ... [2018-10-22 15:55:30,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d964e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30, skipping insertion in model container [2018-10-22 15:55:30,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 03:55:30" (1/1) ... [2018-10-22 15:55:30,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-22 15:55:30,148 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-22 15:55:30,355 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:55:30,363 INFO L189 MainTranslator]: Completed pre-run [2018-10-22 15:55:30,415 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 15:55:30,435 INFO L193 MainTranslator]: Completed translation [2018-10-22 15:55:30,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30 WrapperNode [2018-10-22 15:55:30,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-22 15:55:30,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-22 15:55:30,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-22 15:55:30,437 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-22 15:55:30,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30" (1/1) ... [2018-10-22 15:55:30,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30" (1/1) ... [2018-10-22 15:55:30,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-22 15:55:30,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-22 15:55:30,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-22 15:55:30,515 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-22 15:55:30,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30" (1/1) ... [2018-10-22 15:55:30,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30" (1/1) ... [2018-10-22 15:55:30,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30" (1/1) ... [2018-10-22 15:55:30,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30" (1/1) ... [2018-10-22 15:55:30,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30" (1/1) ... [2018-10-22 15:55:30,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30" (1/1) ... [2018-10-22 15:55:30,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30" (1/1) ... [2018-10-22 15:55:30,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-22 15:55:30,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-22 15:55:30,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-22 15:55:30,587 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-22 15:55:30,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-22 15:55:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-22 15:55:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-22 15:55:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-22 15:55:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-22 15:55:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-22 15:55:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-22 15:55:30,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-22 15:55:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-22 15:55:31,890 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-22 15:55:31,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:55:31 BoogieIcfgContainer [2018-10-22 15:55:31,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-22 15:55:31,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-22 15:55:31,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-22 15:55:31,896 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-22 15:55:31,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 03:55:30" (1/3) ... [2018-10-22 15:55:31,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352f0192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:55:31, skipping insertion in model container [2018-10-22 15:55:31,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 03:55:30" (2/3) ... [2018-10-22 15:55:31,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352f0192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 03:55:31, skipping insertion in model container [2018-10-22 15:55:31,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 03:55:31" (3/3) ... [2018-10-22 15:55:31,900 INFO L112 eAbstractionObserver]: Analyzing ICFG eureka_01_false-unreach-call_true-termination.i [2018-10-22 15:55:31,911 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-22 15:55:31,923 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-22 15:55:31,941 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-22 15:55:31,974 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-22 15:55:31,974 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-22 15:55:31,975 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-22 15:55:31,975 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-22 15:55:31,975 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-22 15:55:31,975 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-22 15:55:31,976 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-22 15:55:31,976 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-22 15:55:31,976 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-22 15:55:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-10-22 15:55:32,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-22 15:55:32,002 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:55:32,003 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] [2018-10-22 15:55:32,005 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:55:32,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:32,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1712099597, now seen corresponding path program 1 times [2018-10-22 15:55:32,015 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 15:55:32,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:32,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:32,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:32,067 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 15:55:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:32,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:55:32,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:55:32,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-22 15:55:32,274 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-22 15:55:32,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-22 15:55:32,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-22 15:55:32,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-22 15:55:32,296 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-10-22 15:55:32,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:55:32,321 INFO L93 Difference]: Finished difference Result 72 states and 98 transitions. [2018-10-22 15:55:32,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-22 15:55:32,323 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-10-22 15:55:32,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:55:32,337 INFO L225 Difference]: With dead ends: 72 [2018-10-22 15:55:32,337 INFO L226 Difference]: Without dead ends: 37 [2018-10-22 15:55:32,342 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-22 15:55:32,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-10-22 15:55:32,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-10-22 15:55:32,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-22 15:55:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2018-10-22 15:55:32,389 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 20 [2018-10-22 15:55:32,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:55:32,390 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2018-10-22 15:55:32,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-22 15:55:32,390 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2018-10-22 15:55:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-22 15:55:32,392 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:55:32,392 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] [2018-10-22 15:55:32,392 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:55:32,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:32,393 INFO L82 PathProgramCache]: Analyzing trace with hash -2129412844, now seen corresponding path program 1 times [2018-10-22 15:55:32,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 15:55:32,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:32,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:32,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:32,395 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 15:55:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:55:32,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:55:32,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-22 15:55:32,763 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-22 15:55:32,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-22 15:55:32,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-22 15:55:32,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-22 15:55:32,766 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand 5 states. [2018-10-22 15:55:33,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:55:33,072 INFO L93 Difference]: Finished difference Result 98 states and 118 transitions. [2018-10-22 15:55:33,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-22 15:55:33,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-10-22 15:55:33,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:55:33,077 INFO L225 Difference]: With dead ends: 98 [2018-10-22 15:55:33,077 INFO L226 Difference]: Without dead ends: 58 [2018-10-22 15:55:33,079 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-22 15:55:33,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-10-22 15:55:33,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 41. [2018-10-22 15:55:33,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-22 15:55:33,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2018-10-22 15:55:33,093 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 23 [2018-10-22 15:55:33,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:55:33,093 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2018-10-22 15:55:33,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-22 15:55:33,094 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2018-10-22 15:55:33,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-22 15:55:33,095 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:55:33,095 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-22 15:55:33,096 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:55:33,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:33,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1380519553, now seen corresponding path program 1 times [2018-10-22 15:55:33,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 15:55:33,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:33,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:33,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:33,098 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 15:55:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:33,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:33,561 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-22 15:55:33,562 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 33 with the following transitions: [2018-10-22 15:55:33,564 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [13], [17], [20], [22], [25], [29], [33], [37], [40], [42], [46], [49], [62], [66], [70], [73], [85], [89], [94], [104], [107], [109], [115], [116], [117], [119] [2018-10-22 15:55:33,633 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-22 15:55:33,633 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-22 15:55:34,940 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-22 15:55:34,942 INFO L272 AbstractInterpreter]: Visited 30 different actions 63 times. Merged at 17 different actions 26 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 51 variables. [2018-10-22 15:55:34,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:34,960 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-22 15:55:34,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:34,960 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-22 15:55:34,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:34,972 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 15:55:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:35,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:55:35,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-22 15:55:35,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-22 15:55:35,181 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:55:35,207 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:35,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:35,281 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:7 [2018-10-22 15:55:35,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-22 15:55:35,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-10-22 15:55:35,512 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:55:35,514 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:35,530 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:35,530 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-10-22 15:55:35,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:35,684 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-22 15:55:36,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2018-10-22 15:55:36,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2018-10-22 15:55:36,238 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,263 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,338 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,338 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:19, output treesize:5 [2018-10-22 15:55:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:36,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:36,488 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-10-22 15:55:36,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:36,507 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 15:55:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:36,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:55:36,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-22 15:55:36,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-22 15:55:36,599 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,601 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,604 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,604 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-10-22 15:55:36,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-22 15:55:36,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-10-22 15:55:36,766 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,771 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,773 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,773 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-10-22 15:55:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:36,785 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-22 15:55:36,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2018-10-22 15:55:36,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2018-10-22 15:55:36,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,879 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:55:36,881 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:14, output treesize:5 [2018-10-22 15:55:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:36,940 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-10-22 15:55:36,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 8] total 17 [2018-10-22 15:55:36,940 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-22 15:55:36,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-22 15:55:36,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-22 15:55:36,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-10-22 15:55:36,942 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand 12 states. [2018-10-22 15:55:37,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:55:37,973 INFO L93 Difference]: Finished difference Result 110 states and 133 transitions. [2018-10-22 15:55:37,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-22 15:55:37,973 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 32 [2018-10-22 15:55:37,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:55:37,975 INFO L225 Difference]: With dead ends: 110 [2018-10-22 15:55:37,976 INFO L226 Difference]: Without dead ends: 108 [2018-10-22 15:55:37,977 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 113 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2018-10-22 15:55:37,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-10-22 15:55:37,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 68. [2018-10-22 15:55:37,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-10-22 15:55:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2018-10-22 15:55:37,991 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 32 [2018-10-22 15:55:37,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:55:37,992 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2018-10-22 15:55:37,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-22 15:55:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2018-10-22 15:55:37,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-22 15:55:37,993 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:55:37,994 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-22 15:55:37,995 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:55:37,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:37,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1599374271, now seen corresponding path program 1 times [2018-10-22 15:55:37,995 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 15:55:37,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:37,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:37,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:37,996 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 15:55:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:38,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-22 15:55:38,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-22 15:55:38,087 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-22 15:55:38,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-22 15:55:38,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-22 15:55:38,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-22 15:55:38,088 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand 3 states. [2018-10-22 15:55:38,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:55:38,189 INFO L93 Difference]: Finished difference Result 101 states and 120 transitions. [2018-10-22 15:55:38,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-22 15:55:38,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-10-22 15:55:38,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:55:38,193 INFO L225 Difference]: With dead ends: 101 [2018-10-22 15:55:38,193 INFO L226 Difference]: Without dead ends: 70 [2018-10-22 15:55:38,194 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 [2018-10-22 15:55:38,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-10-22 15:55:38,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2018-10-22 15:55:38,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-10-22 15:55:38,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 81 transitions. [2018-10-22 15:55:38,203 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 81 transitions. Word has length 32 [2018-10-22 15:55:38,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:55:38,203 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 81 transitions. [2018-10-22 15:55:38,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-22 15:55:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2018-10-22 15:55:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-22 15:55:38,205 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:55:38,205 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-22 15:55:38,205 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:55:38,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:38,206 INFO L82 PathProgramCache]: Analyzing trace with hash 758656664, now seen corresponding path program 1 times [2018-10-22 15:55:38,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 15:55:38,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:38,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:38,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:38,207 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 15:55:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:38,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:38,386 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-22 15:55:38,386 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 37 with the following transitions: [2018-10-22 15:55:38,386 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [13], [17], [20], [22], [25], [29], [33], [37], [40], [42], [46], [49], [51], [54], [58], [62], [66], [70], [73], [85], [89], [94], [104], [107], [109], [115], [116], [117], [119] [2018-10-22 15:55:38,394 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-22 15:55:38,394 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-22 15:55:43,230 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-22 15:55:43,230 INFO L272 AbstractInterpreter]: Visited 33 different actions 194 times. Merged at 20 different actions 132 times. Widened at 1 different actions 17 times. Found 26 fixpoints after 7 different actions. Largest state had 57 variables. [2018-10-22 15:55:43,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:43,252 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-22 15:55:43,252 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:43,252 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:55:43,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:43,263 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 15:55:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:43,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:55:43,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:43,477 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-22 15:55:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:43,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:43,521 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-10-22 15:55:43,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:43,537 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 15:55:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:43,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:55:43,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:43,639 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-22 15:55:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:43,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-10-22 15:55:43,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 9 [2018-10-22 15:55:43,823 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-22 15:55:43,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-22 15:55:43,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-22 15:55:43,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-10-22 15:55:43,825 INFO L87 Difference]: Start difference. First operand 69 states and 81 transitions. Second operand 8 states. [2018-10-22 15:55:44,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:55:44,247 INFO L93 Difference]: Finished difference Result 164 states and 199 transitions. [2018-10-22 15:55:44,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-22 15:55:44,248 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-10-22 15:55:44,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:55:44,250 INFO L225 Difference]: With dead ends: 164 [2018-10-22 15:55:44,250 INFO L226 Difference]: Without dead ends: 120 [2018-10-22 15:55:44,251 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 138 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2018-10-22 15:55:44,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-10-22 15:55:44,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 89. [2018-10-22 15:55:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-10-22 15:55:44,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 105 transitions. [2018-10-22 15:55:44,263 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 105 transitions. Word has length 36 [2018-10-22 15:55:44,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:55:44,264 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 105 transitions. [2018-10-22 15:55:44,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-22 15:55:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2018-10-22 15:55:44,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-22 15:55:44,265 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:55:44,265 INFO L375 BasicCegarLoop]: trace histogram [3, 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] [2018-10-22 15:55:44,266 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:55:44,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:44,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1827534408, now seen corresponding path program 1 times [2018-10-22 15:55:44,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 15:55:44,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:44,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:44,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:44,268 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 15:55:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:44,434 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:55:44,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:44,434 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-22 15:55:44,434 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 37 with the following transitions: [2018-10-22 15:55:44,435 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [13], [17], [20], [22], [25], [27], [29], [33], [37], [40], [42], [46], [49], [62], [66], [70], [73], [85], [89], [94], [104], [107], [109], [115], [116], [117], [119] [2018-10-22 15:55:44,438 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-22 15:55:44,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-22 15:55:45,892 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-22 15:55:45,893 INFO L272 AbstractInterpreter]: Visited 31 different actions 175 times. Merged at 19 different actions 110 times. Widened at 6 different actions 13 times. Found 18 fixpoints after 8 different actions. Largest state had 51 variables. [2018-10-22 15:55:45,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:45,905 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-22 15:55:45,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:45,905 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:55:45,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:45,914 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 15:55:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:45,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:55:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:55:46,072 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-22 15:55:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:55:46,184 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:46,184 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-10-22 15:55:46,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:46,200 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 15:55:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:46,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:55:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:55:46,267 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-22 15:55:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:55:46,318 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-10-22 15:55:46,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 7] total 11 [2018-10-22 15:55:46,318 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-22 15:55:46,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-22 15:55:46,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-22 15:55:46,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-22 15:55:46,319 INFO L87 Difference]: Start difference. First operand 89 states and 105 transitions. Second operand 10 states. [2018-10-22 15:55:47,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:55:47,030 INFO L93 Difference]: Finished difference Result 258 states and 312 transitions. [2018-10-22 15:55:47,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-22 15:55:47,030 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-10-22 15:55:47,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:55:47,033 INFO L225 Difference]: With dead ends: 258 [2018-10-22 15:55:47,033 INFO L226 Difference]: Without dead ends: 222 [2018-10-22 15:55:47,034 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 132 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-10-22 15:55:47,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-10-22 15:55:47,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 117. [2018-10-22 15:55:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-10-22 15:55:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 140 transitions. [2018-10-22 15:55:47,052 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 140 transitions. Word has length 36 [2018-10-22 15:55:47,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:55:47,053 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 140 transitions. [2018-10-22 15:55:47,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-22 15:55:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 140 transitions. [2018-10-22 15:55:47,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-22 15:55:47,055 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:55:47,055 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-22 15:55:47,055 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:55:47,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:47,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1289391505, now seen corresponding path program 1 times [2018-10-22 15:55:47,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 15:55:47,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:47,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:47,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:47,057 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 15:55:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:47,195 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:47,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:47,196 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-22 15:55:47,196 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 42 with the following transitions: [2018-10-22 15:55:47,196 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [13], [17], [20], [22], [25], [29], [33], [37], [40], [42], [46], [49], [62], [66], [70], [73], [85], [89], [94], [96], [98], [104], [107], [109], [112], [114], [115], [116], [117], [119], [120] [2018-10-22 15:55:47,199 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-22 15:55:47,199 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-22 15:55:48,101 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-22 15:55:48,101 INFO L272 AbstractInterpreter]: Visited 35 different actions 97 times. Merged at 20 different actions 40 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 5 different actions. Largest state had 52 variables. [2018-10-22 15:55:48,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:48,110 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-22 15:55:48,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:48,110 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:55:48,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:48,118 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 15:55:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:48,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:55:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:48,200 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-22 15:55:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:48,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:48,279 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-10-22 15:55:48,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:48,296 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 15:55:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:48,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:55:48,366 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:48,366 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-22 15:55:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-22 15:55:48,421 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-10-22 15:55:48,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 7] total 11 [2018-10-22 15:55:48,421 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-22 15:55:48,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-22 15:55:48,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-22 15:55:48,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-22 15:55:48,422 INFO L87 Difference]: Start difference. First operand 117 states and 140 transitions. Second operand 10 states. [2018-10-22 15:55:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 15:55:49,036 INFO L93 Difference]: Finished difference Result 293 states and 354 transitions. [2018-10-22 15:55:49,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-22 15:55:49,036 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2018-10-22 15:55:49,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 15:55:49,038 INFO L225 Difference]: With dead ends: 293 [2018-10-22 15:55:49,038 INFO L226 Difference]: Without dead ends: 203 [2018-10-22 15:55:49,039 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 154 SyntacticMatches, 6 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-10-22 15:55:49,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-10-22 15:55:49,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 141. [2018-10-22 15:55:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-10-22 15:55:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2018-10-22 15:55:49,065 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 41 [2018-10-22 15:55:49,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 15:55:49,066 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2018-10-22 15:55:49,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-22 15:55:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2018-10-22 15:55:49,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-22 15:55:49,068 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 15:55:49,068 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-22 15:55:49,068 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 15:55:49,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:49,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1270815215, now seen corresponding path program 1 times [2018-10-22 15:55:49,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 15:55:49,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:49,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:49,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 15:55:49,070 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 15:55:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:49,504 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2018-10-22 15:55:49,673 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 30 [2018-10-22 15:55:50,014 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2018-10-22 15:55:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 15:55:50,508 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:50,508 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-22 15:55:50,508 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 41 with the following transitions: [2018-10-22 15:55:50,509 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [13], [17], [20], [22], [25], [29], [33], [37], [40], [42], [46], [49], [51], [54], [58], [62], [66], [70], [73], [75], [79], [81], [85], [89], [94], [104], [107], [109], [115], [116], [117], [119] [2018-10-22 15:55:50,511 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-22 15:55:50,512 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-22 15:55:58,169 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-22 15:55:58,170 INFO L272 AbstractInterpreter]: Visited 36 different actions 436 times. Merged at 23 different actions 294 times. Widened at 4 different actions 54 times. Found 30 fixpoints after 10 different actions. Largest state had 63 variables. [2018-10-22 15:55:58,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 15:55:58,184 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-22 15:55:58,184 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 15:55:58,184 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 15:55:58,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 15:55:58,193 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 15:55:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 15:55:58,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 15:56:39,983 WARN L179 SmtUtils]: Spent 41.72 s on a formula simplification that was a NOOP. DAG size: 229 [2018-10-22 15:56:41,991 INFO L303 Elim1Store]: Index analysis took 2007 ms [2018-10-22 15:56:41,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-10-22 15:56:43,799 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:56:48,292 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_1 |main_~#Weight~0.base|) (select v_arrayElimArr_1 |main_~#Source~0.base|)) [2018-10-22 15:56:48,293 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:56:48,293 INFO L303 Elim1Store]: Index analysis took 6290 ms [2018-10-22 15:56:48,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 38 [2018-10-22 15:56:50,763 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:56:53,556 WARN L686 Elim1Store]: solver failed to check if following not equals relation is implied: (= |main_~#Dest~0.base| |main_~#Source~0.base|) [2018-10-22 15:56:55,561 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= |main_~#Source~0.base| |main_~#distance~0.base|) [2018-10-22 15:56:55,562 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:56:57,133 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:56:59,138 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_2 |main_~#distance~0.base|) (select v_arrayElimArr_2 |main_~#Dest~0.base|)) [2018-10-22 15:56:59,139 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:56:59,140 INFO L303 Elim1Store]: Index analysis took 10767 ms [2018-10-22 15:56:59,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2018-10-22 15:56:59,141 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-22 15:57:07,398 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:57:23,473 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-22 15:57:59,630 INFO L303 Elim1Store]: Index analysis took 1787 ms [2018-10-22 15:57:59,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 716 treesize of output 609 [2018-10-22 15:58:26,532 WARN L179 SmtUtils]: Spent 26.90 s on a formula simplification that was a NOOP. DAG size: 196 [2018-10-22 15:58:26,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 411 treesize of output 410 [2018-10-22 15:58:26,843 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:27,023 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:27,024 INFO L303 Elim1Store]: Index analysis took 407 ms [2018-10-22 15:58:27,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 406 treesize of output 415 [2018-10-22 15:58:27,232 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:27,310 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:27,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:27,598 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:27,599 INFO L303 Elim1Store]: Index analysis took 571 ms [2018-10-22 15:58:27,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 409 treesize of output 440 [2018-10-22 15:58:27,771 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:27,800 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:28,147 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:28,147 INFO L303 Elim1Store]: Index analysis took 544 ms [2018-10-22 15:58:28,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 420 treesize of output 459 [2018-10-22 15:58:28,453 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:28,618 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:28,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:28,679 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:28,709 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:28,709 INFO L303 Elim1Store]: Index analysis took 557 ms [2018-10-22 15:58:28,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 417 treesize of output 486 [2018-10-22 15:58:29,001 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:29,145 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:29,349 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:29,394 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:29,421 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:29,449 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:29,475 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:29,476 INFO L303 Elim1Store]: Index analysis took 759 ms [2018-10-22 15:58:29,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 18 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 414 treesize of output 521 [2018-10-22 15:58:29,536 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:29,567 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:29,600 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:29,625 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:29,886 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:30,116 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:30,280 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:30,307 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:30,352 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:30,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:30,383 INFO L303 Elim1Store]: Index analysis took 900 ms [2018-10-22 15:58:30,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 24 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 411 treesize of output 564 [2018-10-22 15:58:30,907 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,094 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,121 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,237 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,371 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,538 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,564 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,615 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,640 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,760 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,938 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,963 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:31,990 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:32,018 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:32,055 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:32,084 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:32,085 INFO L303 Elim1Store]: Index analysis took 1695 ms [2018-10-22 15:58:32,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 34 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 408 treesize of output 639 [2018-10-22 15:58:32,278 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:32,713 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:32,742 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:32,789 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:33,545 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:33,570 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:33,594 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:33,770 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:33,795 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:33,913 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:34,212 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:34,238 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:34,410 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:34,436 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:34,437 INFO L303 Elim1Store]: Index analysis took 2343 ms [2018-10-22 15:58:34,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 42 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 429 treesize of output 698 [2018-10-22 15:58:34,593 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:34,789 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:34,814 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:34,976 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:35,001 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:35,031 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:35,206 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:35,479 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:35,510 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:35,534 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:35,826 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:36,021 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:36,054 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:36,092 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:36,116 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:36,362 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:36,362 INFO L303 Elim1Store]: Index analysis took 1915 ms [2018-10-22 15:58:36,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 51 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 426 treesize of output 765 [2018-10-22 15:58:36,628 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:36,864 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:37,383 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:37,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:37,735 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:37,759 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:37,786 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:37,942 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:38,079 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:38,103 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:38,138 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:38,167 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:38,385 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:38,746 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:38,885 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:38,909 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:39,229 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:39,253 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:39,276 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:39,306 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:39,371 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:39,504 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:39,666 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:39,667 INFO L303 Elim1Store]: Index analysis took 3290 ms [2018-10-22 15:58:39,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 65 disjoint index pairs (out of 45 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 423 treesize of output 872 [2018-10-22 15:58:39,868 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:40,876 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:41,032 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:41,170 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:41,337 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:41,511 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:41,535 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:41,744 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:41,768 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:41,836 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:41,859 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:41,883 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:41,998 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:42,783 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:42,809 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:42,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:43,127 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:43,303 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:43,778 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:43,843 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:43,845 INFO L303 Elim1Store]: Index analysis took 4166 ms [2018-10-22 15:58:43,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 76 disjoint index pairs (out of 55 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 452 treesize of output 955 [2018-10-22 15:58:44,071 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:44,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:44,525 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:44,548 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:44,686 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:44,709 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:44,735 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:44,820 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:44,843 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:44,903 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:44,956 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:45,080 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:45,249 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:45,341 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:45,367 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:45,634 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:45,779 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:46,026 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:46,062 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:46,239 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:46,374 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:46,403 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:46,404 INFO L303 Elim1Store]: Index analysis took 2548 ms [2018-10-22 15:58:46,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 88 disjoint index pairs (out of 66 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 449 treesize of output 1046 [2018-10-22 15:58:47,573 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:47,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:47,777 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:47,800 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:47,961 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:48,080 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:48,215 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:48,237 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:49,033 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:49,254 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:49,276 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:49,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:49,523 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:49,550 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:49,571 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:49,674 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:49,908 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:49,929 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,106 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,128 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,199 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,223 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,262 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,286 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,287 INFO L303 Elim1Store]: Index analysis took 3870 ms [2018-10-22 15:58:50,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 101 disjoint index pairs (out of 78 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 446 treesize of output 1145 [2018-10-22 15:58:50,510 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,538 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,586 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,607 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,631 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,654 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,679 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,702 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,737 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:50,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,117 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,289 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,401 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,422 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,442 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,467 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,536 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,664 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,686 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,718 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,745 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,830 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,852 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,918 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,943 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:51,968 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:52,016 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:52,017 INFO L303 Elim1Store]: Index analysis took 1709 ms [2018-10-22 15:58:52,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 115 disjoint index pairs (out of 91 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 443 treesize of output 1252 [2018-10-22 15:58:52,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:52,571 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:52,722 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:52,744 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:52,840 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:52,866 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,087 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,156 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,176 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,203 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,253 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,283 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,321 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,342 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,383 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,534 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,567 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,598 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,621 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,801 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:53,926 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,012 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,084 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,185 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,240 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,343 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,444 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,468 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,687 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,719 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,848 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,869 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,972 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:54,974 INFO L303 Elim1Store]: Index analysis took 2935 ms [2018-10-22 15:58:54,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 130 disjoint index pairs (out of 105 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 1367 [2018-10-22 15:58:55,134 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,171 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,200 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,224 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,276 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,297 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,421 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,442 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,464 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,665 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,687 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,791 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,815 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:55,843 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:56,063 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:56,140 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:56,224 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:56,257 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,064 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,095 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,142 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,231 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,347 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,370 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,394 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,438 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,570 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,646 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,667 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,695 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,779 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,862 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:57,883 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,098 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,174 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,175 INFO L303 Elim1Store]: Index analysis took 3177 ms [2018-10-22 15:58:58,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 146 disjoint index pairs (out of 120 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 437 treesize of output 1490 [2018-10-22 15:58:58,312 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,371 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,394 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,475 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,551 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,572 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,594 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,879 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,950 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,972 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:58,996 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:59,297 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:59,318 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:59,786 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:59,807 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:59,827 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:59,887 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:59,909 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:59,937 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:58:59,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,040 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,247 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,350 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,412 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,584 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,602 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,622 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,643 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,714 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,734 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,754 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,799 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,825 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:00,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:01,020 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:01,241 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:01,268 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:01,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:01,366 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:01,404 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:01,405 INFO L303 Elim1Store]: Index analysis took 3207 ms [2018-10-22 15:59:01,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 163 disjoint index pairs (out of 136 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 434 treesize of output 1621 [2018-10-22 15:59:01,594 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:01,717 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:01,830 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:01,886 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:01,998 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,018 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,209 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,266 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,296 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,316 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,364 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,395 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,417 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,437 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,577 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:02,645 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:03,053 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:03,082 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:03,209 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:03,299 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:03,378 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:03,427 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:03,446 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:03,509 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:03,528 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:03,547 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,442 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,486 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,537 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,557 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,575 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,645 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,708 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,757 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,806 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,840 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,860 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,951 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:04,981 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:05,001 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:05,024 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:05,026 INFO L303 Elim1Store]: Index analysis took 3580 ms [2018-10-22 15:59:05,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 181 disjoint index pairs (out of 153 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 431 treesize of output 1760 [2018-10-22 15:59:06,096 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:06,137 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:06,176 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:06,223 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:06,358 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:06,540 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:06,580 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:06,632 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:06,670 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:06,713 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:06,770 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:06,809 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:07,333 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:07,380 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:07,403 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:07,443 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:07,484 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:07,524 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:07,562 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:08,173 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:08,192 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:08,758 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:08,863 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:08,911 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:08,931 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:08,970 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,002 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,045 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,125 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,143 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,186 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,228 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,287 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,328 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,364 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,413 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,450 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,471 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,557 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,596 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,631 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,793 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:09,833 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:10,548 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:10,579 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:10,627 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:10,839 INFO L700 Elim1Store]: detected not equals via solver [2018-10-22 15:59:10,840 INFO L303 Elim1Store]: Index analysis took 5782 ms [2018-10-22 15:59:10,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 200 disjoint index pairs (out of 171 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 428 treesize of output 1964 [2018-10-22 15:59:10,847 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. Received shutdown request... [2018-10-22 16:00:08,056 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-22 16:00:08,257 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 16:00:08,258 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-22 16:00:08,263 WARN L205 ceAbstractionStarter]: Timeout [2018-10-22 16:00:08,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 04:00:08 BoogieIcfgContainer [2018-10-22 16:00:08,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-22 16:00:08,265 INFO L168 Benchmark]: Toolchain (without parser) took 278170.95 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-22 16:00:08,265 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-10-22 16:00:08,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.62 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-22 16:00:08,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.96 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. [2018-10-22 16:00:08,267 INFO L168 Benchmark]: Boogie Preprocessor took 71.20 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-22 16:00:08,267 INFO L168 Benchmark]: RCFGBuilder took 1304.51 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 706.2 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -659.3 MB). Peak memory consumption was 60.7 MB. Max. memory is 7.1 GB. [2018-10-22 16:00:08,268 INFO L168 Benchmark]: TraceAbstraction took 276371.60 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: -923.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-22 16:00:08,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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. * CACSL2BoogieTranslator took 340.62 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 77.96 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 71.20 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1304.51 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 706.2 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -659.3 MB). Peak memory consumption was 60.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 276371.60 ms. Allocated memory was 2.2 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.0 GB in the end (delta: -923.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 7]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 7). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 585. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 42 locations, 1 error locations. TIMEOUT Result, 276.2s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 327 SDtfs, 428 SDslu, 810 SDs, 0 SdLazy, 649 SolverSat, 145 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 622 GetRequests, 543 SyntacticMatches, 25 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 16.3s AbstIntTime, 5 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 256 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 777 ConstructedInterpolants, 0 QuantifiedInterpolants, 78132 SizeOfPredicates, 56 NumberOfNonLiveVariables, 1312 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 23 InterpolantComputations, 3 PerfectInterpolantSequences, 75/149 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown