java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-programs/copysome1-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 11:47:52,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 11:47:52,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 11:47:52,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-07 11:47:52,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-07 11:47:52,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-07 11:47:52,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-07 11:47:52,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-07 11:47:52,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-07 11:47:52,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-07 11:47:52,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-07 11:47:52,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-07 11:47:52,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 11:47:52,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 11:47:52,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 11:47:52,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 11:47:52,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 11:47:52,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 11:47:52,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 11:47:52,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 11:47:52,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 11:47:52,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 11:47:52,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 11:47:52,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 11:47:52,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 11:47:52,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 11:47:52,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 11:47:52,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 11:47:52,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-07 11:47:52,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 11:47:52,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 11:47:52,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 11:47:52,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 11:47:52,623 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 11:47:52,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 11:47:52,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 11:47:52,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 11:47:52,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 11:47:52,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 11:47:52,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 11:47:52,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 11:47:52,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 11:47:52,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 11:47:52,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 11:47:52,625 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 11:47:52,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 11:47:52,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 11:47:52,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 11:47:52,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 11:47:52,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 11:47:52,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 11:47:52,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 11:47:52,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 11:47:52,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 11:47:52,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 11:47:52,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 11:47:52,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 11:47:52,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 11:47:52,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 11:47:52,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 11:47:52,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 11:47:52,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 11:47:52,689 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 11:47:52,689 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-programs/copysome1-1.i [2019-09-07 11:47:52,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b630a9584/8c9982793a1c457c97e7cb063adf80a1/FLAG889e5bc05 [2019-09-07 11:47:53,183 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 11:47:53,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-programs/copysome1-1.i [2019-09-07 11:47:53,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b630a9584/8c9982793a1c457c97e7cb063adf80a1/FLAG889e5bc05 [2019-09-07 11:47:53,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b630a9584/8c9982793a1c457c97e7cb063adf80a1 [2019-09-07 11:47:53,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 11:47:53,589 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 11:47:53,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 11:47:53,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 11:47:53,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 11:47:53,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:47:53" (1/1) ... [2019-09-07 11:47:53,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6576007c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:47:53, skipping insertion in model container [2019-09-07 11:47:53,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:47:53" (1/1) ... [2019-09-07 11:47:53,605 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 11:47:53,624 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 11:47:53,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 11:47:53,791 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 11:47:53,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 11:47:53,831 INFO L192 MainTranslator]: Completed translation [2019-09-07 11:47:53,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:47:53 WrapperNode [2019-09-07 11:47:53,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 11:47:53,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 11:47:53,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 11:47:53,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 11:47:53,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:47:53" (1/1) ... [2019-09-07 11:47:53,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:47:53" (1/1) ... [2019-09-07 11:47:53,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:47:53" (1/1) ... [2019-09-07 11:47:53,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:47:53" (1/1) ... [2019-09-07 11:47:53,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:47:53" (1/1) ... [2019-09-07 11:47:53,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:47:53" (1/1) ... [2019-09-07 11:47:53,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:47:53" (1/1) ... [2019-09-07 11:47:53,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 11:47:53,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 11:47:53,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 11:47:53,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 11:47:53,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:47:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 11:47:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 11:47:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 11:47:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-07 11:47:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 11:47:53,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 11:47:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-07 11:47:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 11:47:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 11:47:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-07 11:47:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-07 11:47:53,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-07 11:47:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-07 11:47:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 11:47:53,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 11:47:54,276 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 11:47:54,277 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-07 11:47:54,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:47:54 BoogieIcfgContainer [2019-09-07 11:47:54,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 11:47:54,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 11:47:54,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 11:47:54,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 11:47:54,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 11:47:53" (1/3) ... [2019-09-07 11:47:54,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5317e1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:47:54, skipping insertion in model container [2019-09-07 11:47:54,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:47:53" (2/3) ... [2019-09-07 11:47:54,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5317e1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:47:54, skipping insertion in model container [2019-09-07 11:47:54,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:47:54" (3/3) ... [2019-09-07 11:47:54,286 INFO L109 eAbstractionObserver]: Analyzing ICFG copysome1-1.i [2019-09-07 11:47:54,296 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 11:47:54,304 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 11:47:54,320 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 11:47:54,357 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 11:47:54,358 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 11:47:54,358 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 11:47:54,358 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 11:47:54,358 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 11:47:54,358 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 11:47:54,358 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 11:47:54,359 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 11:47:54,359 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 11:47:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-09-07 11:47:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-07 11:47:54,384 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:47:54,385 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:47:54,387 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:47:54,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:47:54,393 INFO L82 PathProgramCache]: Analyzing trace with hash -908266250, now seen corresponding path program 1 times [2019-09-07 11:47:54,395 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:47:54,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:47:54,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:54,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:47:54,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 11:47:54,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 11:47:54,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-07 11:47:54,530 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-07 11:47:54,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-07 11:47:54,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-07 11:47:54,543 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-09-07 11:47:54,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:47:54,564 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2019-09-07 11:47:54,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-07 11:47:54,565 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-09-07 11:47:54,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:47:54,571 INFO L225 Difference]: With dead ends: 50 [2019-09-07 11:47:54,572 INFO L226 Difference]: Without dead ends: 24 [2019-09-07 11:47:54,575 INFO L628 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 [2019-09-07 11:47:54,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-09-07 11:47:54,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-09-07 11:47:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-09-07 11:47:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2019-09-07 11:47:54,610 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 16 [2019-09-07 11:47:54,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:47:54,610 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-09-07 11:47:54,610 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-07 11:47:54,611 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-09-07 11:47:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-07 11:47:54,611 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:47:54,612 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:47:54,612 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:47:54,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:47:54,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1720229721, now seen corresponding path program 1 times [2019-09-07 11:47:54,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:47:54,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:47:54,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:54,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:47:54,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 11:47:54,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 11:47:54,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 11:47:54,674 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 11:47:54,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 11:47:54,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 11:47:54,675 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 3 states. [2019-09-07 11:47:54,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:47:54,763 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2019-09-07 11:47:54,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 11:47:54,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-09-07 11:47:54,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:47:54,766 INFO L225 Difference]: With dead ends: 45 [2019-09-07 11:47:54,766 INFO L226 Difference]: Without dead ends: 29 [2019-09-07 11:47:54,768 INFO L628 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 [2019-09-07 11:47:54,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-09-07 11:47:54,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2019-09-07 11:47:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-09-07 11:47:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2019-09-07 11:47:54,781 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 16 [2019-09-07 11:47:54,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:47:54,782 INFO L475 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2019-09-07 11:47:54,782 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 11:47:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2019-09-07 11:47:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-09-07 11:47:54,785 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:47:54,785 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:47:54,785 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:47:54,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:47:54,786 INFO L82 PathProgramCache]: Analyzing trace with hash -2103920742, now seen corresponding path program 1 times [2019-09-07 11:47:54,786 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:47:54,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:47:54,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:54,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:47:54,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-07 11:47:54,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:47:54,883 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:47:54,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:47:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:54,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-07 11:47:54,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:47:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-07 11:47:54,996 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:47:54,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2019-09-07 11:47:54,999 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-07 11:47:54,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-07 11:47:55,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-07 11:47:55,001 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 7 states. [2019-09-07 11:47:55,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:47:55,169 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2019-09-07 11:47:55,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 11:47:55,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-09-07 11:47:55,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:47:55,173 INFO L225 Difference]: With dead ends: 61 [2019-09-07 11:47:55,173 INFO L226 Difference]: Without dead ends: 44 [2019-09-07 11:47:55,174 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2019-09-07 11:47:55,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-09-07 11:47:55,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2019-09-07 11:47:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-09-07 11:47:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2019-09-07 11:47:55,184 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 21 [2019-09-07 11:47:55,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:47:55,184 INFO L475 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2019-09-07 11:47:55,185 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-07 11:47:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2019-09-07 11:47:55,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-09-07 11:47:55,186 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:47:55,186 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:47:55,187 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:47:55,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:47:55,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1242247089, now seen corresponding path program 1 times [2019-09-07 11:47:55,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:47:55,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:47:55,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:55,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:47:55,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-07 11:47:55,346 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:47:55,347 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 11:47:55,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:47:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:55,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-07 11:47:55,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:47:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-09-07 11:47:55,485 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:47:55,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2019-09-07 11:47:55,486 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-07 11:47:55,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-07 11:47:55,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2019-09-07 11:47:55,487 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand 11 states. [2019-09-07 11:47:55,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:47:55,739 INFO L93 Difference]: Finished difference Result 96 states and 122 transitions. [2019-09-07 11:47:55,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-07 11:47:55,740 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2019-09-07 11:47:55,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:47:55,741 INFO L225 Difference]: With dead ends: 96 [2019-09-07 11:47:55,741 INFO L226 Difference]: Without dead ends: 70 [2019-09-07 11:47:55,742 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2019-09-07 11:47:55,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-09-07 11:47:55,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 61. [2019-09-07 11:47:55,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-09-07 11:47:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2019-09-07 11:47:55,756 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 36 [2019-09-07 11:47:55,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:47:55,757 INFO L475 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions. [2019-09-07 11:47:55,757 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-07 11:47:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2019-09-07 11:47:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-07 11:47:55,762 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:47:55,762 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:47:55,763 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:47:55,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:47:55,763 INFO L82 PathProgramCache]: Analyzing trace with hash -999025673, now seen corresponding path program 2 times [2019-09-07 11:47:55,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:47:55,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:47:55,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:55,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 11:47:55,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:55,967 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-09-07 11:47:55,967 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:47:55,967 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 11:47:55,988 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:47:56,032 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-07 11:47:56,032 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:47:56,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 10 conjunts are in the unsatisfiable core [2019-09-07 11:47:56,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:47:56,147 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-09-07 11:47:56,151 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:47:56,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11] total 16 [2019-09-07 11:47:56,152 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-07 11:47:56,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-07 11:47:56,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2019-09-07 11:47:56,153 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand 16 states. [2019-09-07 11:47:56,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:47:56,537 INFO L93 Difference]: Finished difference Result 147 states and 188 transitions. [2019-09-07 11:47:56,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-07 11:47:56,537 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 56 [2019-09-07 11:47:56,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:47:56,539 INFO L225 Difference]: With dead ends: 147 [2019-09-07 11:47:56,539 INFO L226 Difference]: Without dead ends: 109 [2019-09-07 11:47:56,540 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=315, Invalid=497, Unknown=0, NotChecked=0, Total=812 [2019-09-07 11:47:56,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-09-07 11:47:56,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 86. [2019-09-07 11:47:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-09-07 11:47:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 102 transitions. [2019-09-07 11:47:56,553 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 102 transitions. Word has length 56 [2019-09-07 11:47:56,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:47:56,553 INFO L475 AbstractCegarLoop]: Abstraction has 86 states and 102 transitions. [2019-09-07 11:47:56,553 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-07 11:47:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2019-09-07 11:47:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-07 11:47:56,556 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:47:56,556 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 10, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:47:56,557 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:47:56,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:47:56,557 INFO L82 PathProgramCache]: Analyzing trace with hash 954308804, now seen corresponding path program 3 times [2019-09-07 11:47:56,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:47:56,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:47:56,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:56,559 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:47:56,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:56,730 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-09-07 11:47:56,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:47:56,731 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:47:56,751 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-07 11:47:56,779 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-09-07 11:47:56,779 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:47:56,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-07 11:47:56,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:47:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2019-09-07 11:47:56,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 11:47:56,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2019-09-07 11:47:56,823 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-07 11:47:56,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-07 11:47:56,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-09-07 11:47:56,824 INFO L87 Difference]: Start difference. First operand 86 states and 102 transitions. Second operand 10 states. [2019-09-07 11:47:57,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:47:57,025 INFO L93 Difference]: Finished difference Result 238 states and 300 transitions. [2019-09-07 11:47:57,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-07 11:47:57,026 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 81 [2019-09-07 11:47:57,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:47:57,028 INFO L225 Difference]: With dead ends: 238 [2019-09-07 11:47:57,028 INFO L226 Difference]: Without dead ends: 188 [2019-09-07 11:47:57,034 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2019-09-07 11:47:57,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-09-07 11:47:57,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 86. [2019-09-07 11:47:57,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-09-07 11:47:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2019-09-07 11:47:57,056 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 81 [2019-09-07 11:47:57,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:47:57,056 INFO L475 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2019-09-07 11:47:57,057 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-07 11:47:57,057 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2019-09-07 11:47:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-07 11:47:57,060 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:47:57,060 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:47:57,061 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:47:57,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:47:57,061 INFO L82 PathProgramCache]: Analyzing trace with hash 714979844, now seen corresponding path program 4 times [2019-09-07 11:47:57,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:47:57,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:47:57,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:57,063 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:47:57,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:57,255 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2019-09-07 11:47:57,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:47:57,256 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:47:57,270 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-07 11:47:57,303 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-07 11:47:57,303 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:47:57,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-07 11:47:57,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:47:57,345 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (6)] Exception during sending of exit command (exit): Stream closed [2019-09-07 11:47:57,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 11:47:57,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2019-09-07 11:47:57,350 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-07 11:47:57,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-07 11:47:57,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-09-07 11:47:57,352 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand 11 states. [2019-09-07 11:47:57,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:47:57,638 INFO L93 Difference]: Finished difference Result 275 states and 349 transitions. [2019-09-07 11:47:57,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-07 11:47:57,638 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 81 [2019-09-07 11:47:57,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:47:57,640 INFO L225 Difference]: With dead ends: 275 [2019-09-07 11:47:57,640 INFO L226 Difference]: Without dead ends: 231 [2019-09-07 11:47:57,641 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=372, Unknown=0, NotChecked=0, Total=552 [2019-09-07 11:47:57,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-09-07 11:47:57,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 121. [2019-09-07 11:47:57,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-09-07 11:47:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 137 transitions. [2019-09-07 11:47:57,679 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 137 transitions. Word has length 81 [2019-09-07 11:47:57,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:47:57,679 INFO L475 AbstractCegarLoop]: Abstraction has 121 states and 137 transitions. [2019-09-07 11:47:57,679 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-07 11:47:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 137 transitions. [2019-09-07 11:47:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-09-07 11:47:57,686 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:47:57,686 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:47:57,686 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:47:57,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:47:57,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1175258490, now seen corresponding path program 5 times [2019-09-07 11:47:57,687 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:47:57,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:47:57,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:57,688 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:47:57,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:47:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:47:57,903 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-09-07 11:47:57,904 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:47:57,904 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:47:57,927 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-07 11:48:33,554 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2019-09-07 11:48:33,554 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:48:33,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 11:48:33,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:48:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2019-09-07 11:48:33,651 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 11:48:33,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2019-09-07 11:48:33,652 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-07 11:48:33,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-07 11:48:33,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=200, Unknown=0, NotChecked=0, Total=342 [2019-09-07 11:48:33,653 INFO L87 Difference]: Start difference. First operand 121 states and 137 transitions. Second operand 19 states. [2019-09-07 11:48:34,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 11:48:34,101 INFO L93 Difference]: Finished difference Result 342 states and 387 transitions. [2019-09-07 11:48:34,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-07 11:48:34,102 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 81 [2019-09-07 11:48:34,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 11:48:34,104 INFO L225 Difference]: With dead ends: 342 [2019-09-07 11:48:34,104 INFO L226 Difference]: Without dead ends: 254 [2019-09-07 11:48:34,107 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=446, Invalid=744, Unknown=0, NotChecked=0, Total=1190 [2019-09-07 11:48:34,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-09-07 11:48:34,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 134. [2019-09-07 11:48:34,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-07 11:48:34,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 151 transitions. [2019-09-07 11:48:34,143 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 151 transitions. Word has length 81 [2019-09-07 11:48:34,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 11:48:34,144 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 151 transitions. [2019-09-07 11:48:34,144 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-07 11:48:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 151 transitions. [2019-09-07 11:48:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-07 11:48:34,148 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 11:48:34,148 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 11:48:34,148 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 11:48:34,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 11:48:34,149 INFO L82 PathProgramCache]: Analyzing trace with hash 190963422, now seen corresponding path program 6 times [2019-09-07 11:48:34,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 11:48:34,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 11:48:34,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:48:34,150 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-07 11:48:34,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 11:48:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 11:48:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 323 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2019-09-07 11:48:34,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 11:48:34,354 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-07 11:48:34,382 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:49:15,823 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2019-09-07 11:49:15,823 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-07 11:49:15,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 61 conjunts are in the unsatisfiable core [2019-09-07 11:49:15,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 11:49:15,900 INFO L375 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 10 treesize of output 8 [2019-09-07 11:49:15,900 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:15,908 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:15,909 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:15,909 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2019-09-07 11:49:16,016 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2019-09-07 11:49:16,017 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:16,032 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:16,033 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:16,033 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2019-09-07 11:49:16,077 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,081 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2019-09-07 11:49:16,082 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:16,095 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:16,096 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:16,096 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2019-09-07 11:49:16,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,200 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,202 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,206 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 61 [2019-09-07 11:49:16,208 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:16,222 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:16,222 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-09-07 11:49:16,223 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2019-09-07 11:49:16,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,370 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,371 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,372 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,373 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,383 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,387 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2019-09-07 11:49:16,389 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:16,409 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:16,410 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-09-07 11:49:16,410 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:87, output treesize:83 [2019-09-07 11:49:16,574 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,578 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,580 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,590 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,592 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,597 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,601 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 111 [2019-09-07 11:49:16,603 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:16,625 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:16,626 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-09-07 11:49:16,627 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:111, output treesize:107 [2019-09-07 11:49:16,828 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,830 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,835 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,837 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,875 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,876 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,878 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,880 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,882 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:16,901 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 31 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 136 [2019-09-07 11:49:16,903 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:16,943 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:16,944 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-09-07 11:49:16,945 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:135, output treesize:131 [2019-09-07 11:49:17,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,179 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,184 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,190 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,192 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,197 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,198 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,200 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,202 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,210 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,217 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,218 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,220 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,223 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,236 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 43 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 161 [2019-09-07 11:49:17,240 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:17,285 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:17,286 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-09-07 11:49:17,286 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:159, output treesize:155 [2019-09-07 11:49:17,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,635 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,638 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,639 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,640 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,647 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,652 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,654 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,656 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,660 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,663 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,664 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,667 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,676 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,684 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:17,696 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 57 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 186 [2019-09-07 11:49:17,698 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:17,752 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:17,753 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-09-07 11:49:17,754 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:183, output treesize:179 [2019-09-07 11:49:19,684 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,696 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,699 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,700 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,700 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,701 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,702 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,708 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,719 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,729 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,741 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,756 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:19,778 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 73 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 211 [2019-09-07 11:49:19,780 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:19,846 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:19,848 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-09-07 11:49:19,849 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:207, output treesize:203 [2019-09-07 11:49:37,032 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,047 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,049 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,060 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,062 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,065 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,067 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,069 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,071 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,072 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,077 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,080 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,081 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,083 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,084 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,085 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,087 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,095 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,096 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,098 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,102 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,107 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,109 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,111 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,114 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,115 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,118 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,119 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,122 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,123 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,125 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,128 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,133 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,136 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:49:37,137 INFO L235 Elim1Store]: Index analysis took 105 ms [2019-09-07 11:49:37,450 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-07 11:49:37,450 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:49:37,451 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 19 select indices, 19 select index equivalence classes, 73 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 18 case distinctions, treesize of input 183 treesize of output 680 [2019-09-07 11:49:37,463 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:49:37,739 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 93 [2019-09-07 11:49:37,739 INFO L567 ElimStorePlain]: treesize reduction 654, result has 25.3 percent of original size [2019-09-07 11:49:37,741 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-09-07 11:49:37,741 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:226, output treesize:222 [2019-09-07 11:52:08,102 WARN L188 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-07 11:52:08,122 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,125 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,128 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,140 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,141 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,142 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,145 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,148 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,149 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,151 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,152 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,154 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,156 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,159 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,163 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,174 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,175 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,197 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,198 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,202 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,210 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,213 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,217 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,219 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,220 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,249 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,259 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-09-07 11:52:08,275 INFO L235 Elim1Store]: Index analysis took 154 ms [2019-09-07 11:52:08,904 WARN L188 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2019-09-07 11:52:08,904 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-09-07 11:52:08,905 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 21 select indices, 21 select index equivalence classes, 73 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 38 case distinctions, treesize of input 202 treesize of output 1033 [2019-09-07 11:52:08,917 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-09-07 11:52:09,395 WARN L188 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 102 [2019-09-07 11:52:09,396 INFO L567 ElimStorePlain]: treesize reduction 1282, result has 16.1 percent of original size [2019-09-07 11:52:09,398 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2019-09-07 11:52:09,398 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:250, output treesize:246 [2019-09-07 11:52:47,350 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-09-07 11:52:47,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 11:52:47,552 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:899) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:581) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:453) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1428) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:631) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 39 more [2019-09-07 11:52:47,558 INFO L168 Benchmark]: Toolchain (without parser) took 293968.62 ms. Allocated memory was 133.7 MB in the beginning and 307.8 MB in the end (delta: 174.1 MB). Free memory was 89.5 MB in the beginning and 145.8 MB in the end (delta: -56.2 MB). Peak memory consumption was 117.8 MB. Max. memory is 7.1 GB. [2019-09-07 11:52:47,559 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-07 11:52:47,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.91 ms. Allocated memory is still 133.7 MB. Free memory was 89.1 MB in the beginning and 79.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-07 11:52:47,562 INFO L168 Benchmark]: Boogie Preprocessor took 114.58 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.3 MB in the beginning and 176.1 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-07 11:52:47,568 INFO L168 Benchmark]: RCFGBuilder took 331.35 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 160.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-09-07 11:52:47,569 INFO L168 Benchmark]: TraceAbstraction took 293277.12 ms. Allocated memory was 200.3 MB in the beginning and 307.8 MB in the end (delta: 107.5 MB). Free memory was 160.7 MB in the beginning and 145.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 122.4 MB. Max. memory is 7.1 GB. [2019-09-07 11:52:47,576 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.91 ms. Allocated memory is still 133.7 MB. Free memory was 89.1 MB in the beginning and 79.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.58 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.3 MB in the beginning and 176.1 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 331.35 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 160.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 293277.12 ms. Allocated memory was 200.3 MB in the beginning and 307.8 MB in the end (delta: 107.5 MB). Free memory was 160.7 MB in the beginning and 145.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 122.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...