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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-tiling/pr5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:38:41,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:38:41,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:38:41,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:38:41,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:38:41,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:38:41,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:38:41,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:38:41,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:38:41,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:38:41,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:38:41,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:38:41,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:38:41,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:38:41,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:38:41,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:38:41,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:38:41,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:38:41,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:38:41,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:38:41,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:38:41,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:38:41,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:38:41,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:38:41,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:38:41,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:38:41,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:38:41,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:38:41,602 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 [2019-10-15 01:38:41,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:38:41,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:38:41,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:38:41,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:38:41,635 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:38:41,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:38:41,636 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:38:41,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:38:41,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:38:41,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:38:41,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:38:41,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:38:41,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:38:41,641 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:38:41,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:38:41,641 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:38:41,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:38:41,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:38:41,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:38:41,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:38:41,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:38:41,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:38:41,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:38:41,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:38:41,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:38:41,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:38:41,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:38:41,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:38:41,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 01:38:41,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:38:41,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:38:41,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:38:41,957 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:38:41,957 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:38:41,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/pr5.c [2019-10-15 01:38:42,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36737451c/92517468b3aa483ab6c954c03fcc7408/FLAG047207a3c [2019-10-15 01:38:42,507 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:38:42,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/pr5.c [2019-10-15 01:38:42,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36737451c/92517468b3aa483ab6c954c03fcc7408/FLAG047207a3c [2019-10-15 01:38:42,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36737451c/92517468b3aa483ab6c954c03fcc7408 [2019-10-15 01:38:42,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:38:42,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:38:42,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:38:42,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:38:42,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:38:42,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:38:42" (1/1) ... [2019-10-15 01:38:42,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2150d71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:42, skipping insertion in model container [2019-10-15 01:38:42,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:38:42" (1/1) ... [2019-10-15 01:38:42,941 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:38:42,966 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:38:43,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:38:43,183 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:38:43,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:38:43,319 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:38:43,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:43 WrapperNode [2019-10-15 01:38:43,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:38:43,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:38:43,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:38:43,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:38:43,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:43" (1/1) ... [2019-10-15 01:38:43,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:43" (1/1) ... [2019-10-15 01:38:43,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:43" (1/1) ... [2019-10-15 01:38:43,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:43" (1/1) ... [2019-10-15 01:38:43,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:43" (1/1) ... [2019-10-15 01:38:43,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:43" (1/1) ... [2019-10-15 01:38:43,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:43" (1/1) ... [2019-10-15 01:38:43,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:38:43,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:38:43,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:38:43,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:38:43,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:43" (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 [2019-10-15 01:38:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:38:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:38:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 01:38:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:38:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:38:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 01:38:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 01:38:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:38:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:38:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:38:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:38:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:38:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:38:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:38:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:38:43,943 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:38:43,944 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-15 01:38:43,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:38:43 BoogieIcfgContainer [2019-10-15 01:38:43,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:38:43,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:38:43,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:38:43,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:38:43,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:38:42" (1/3) ... [2019-10-15 01:38:43,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f33594a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:38:43, skipping insertion in model container [2019-10-15 01:38:43,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:38:43" (2/3) ... [2019-10-15 01:38:43,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f33594a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:38:43, skipping insertion in model container [2019-10-15 01:38:43,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:38:43" (3/3) ... [2019-10-15 01:38:43,954 INFO L109 eAbstractionObserver]: Analyzing ICFG pr5.c [2019-10-15 01:38:43,964 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:38:43,971 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:38:43,981 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:38:44,006 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:38:44,006 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:38:44,006 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:38:44,006 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:38:44,007 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:38:44,007 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:38:44,007 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:38:44,007 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:38:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-10-15 01:38:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-15 01:38:44,028 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:38:44,028 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:38:44,030 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:38:44,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:38:44,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1164364785, now seen corresponding path program 1 times [2019-10-15 01:38:44,043 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:38:44,043 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305886526] [2019-10-15 01:38:44,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:38:44,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:38:44,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:38:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:38:44,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:38:44,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305886526] [2019-10-15 01:38:44,381 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:38:44,382 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:38:44,382 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984071302] [2019-10-15 01:38:44,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:38:44,387 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:38:44,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:38:44,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:38:44,404 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 4 states. [2019-10-15 01:38:44,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:38:44,509 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2019-10-15 01:38:44,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:38:44,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-10-15 01:38:44,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:38:44,523 INFO L225 Difference]: With dead ends: 42 [2019-10-15 01:38:44,523 INFO L226 Difference]: Without dead ends: 18 [2019-10-15 01:38:44,529 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:38:44,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-10-15 01:38:44,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-10-15 01:38:44,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-15 01:38:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2019-10-15 01:38:44,566 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2019-10-15 01:38:44,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:38:44,567 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-10-15 01:38:44,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:38:44,567 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-10-15 01:38:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-15 01:38:44,568 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:38:44,568 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:38:44,568 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:38:44,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:38:44,569 INFO L82 PathProgramCache]: Analyzing trace with hash 2078421125, now seen corresponding path program 1 times [2019-10-15 01:38:44,569 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:38:44,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061529694] [2019-10-15 01:38:44,569 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:38:44,569 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:38:44,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:38:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:38:45,038 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2019-10-15 01:38:45,177 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 37 [2019-10-15 01:38:45,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:38:45,364 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061529694] [2019-10-15 01:38:45,365 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277173441] [2019-10-15 01:38:45,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:38:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:38:45,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-15 01:38:45,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:38:45,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,537 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,538 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,541 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,553 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,559 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,562 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,591 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,594 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,596 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,622 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,623 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,627 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:38:45,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,123 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,380 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:38:46,381 INFO L235 Elim1Store]: Index analysis took 400 ms [2019-10-15 01:38:47,296 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 63 [2019-10-15 01:38:47,297 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-15 01:39:28,163 WARN L191 SmtUtils]: Spent 40.86 s on a formula simplification. DAG size of input: 355 DAG size of output: 95 [2019-10-15 01:39:28,165 INFO L567 ElimStorePlain]: treesize reduction 1438, result has 15.9 percent of original size [2019-10-15 01:39:28,165 INFO L464 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2019-10-15 01:39:28,165 INFO L464 ElimStorePlain]: Eliminatee v_prenex_25 vanished before elimination [2019-10-15 01:39:28,165 INFO L464 ElimStorePlain]: Eliminatee v_prenex_24 vanished before elimination [2019-10-15 01:39:28,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,202 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,206 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,217 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,220 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,223 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,234 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,312 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 53 [2019-10-15 01:39:28,313 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 01:39:28,763 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-10-15 01:39:28,763 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:39:28,763 INFO L464 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2019-10-15 01:39:28,764 INFO L464 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2019-10-15 01:39:28,764 INFO L464 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2019-10-15 01:39:28,764 INFO L464 ElimStorePlain]: Eliminatee |v_#memory_int_75| vanished before elimination [2019-10-15 01:39:28,764 INFO L464 ElimStorePlain]: Eliminatee v_prenex_27 vanished before elimination [2019-10-15 01:39:28,764 INFO L464 ElimStorePlain]: Eliminatee v_prenex_26 vanished before elimination [2019-10-15 01:39:28,765 INFO L464 ElimStorePlain]: Eliminatee v_prenex_19 vanished before elimination [2019-10-15 01:39:28,765 INFO L464 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2019-10-15 01:39:28,765 INFO L464 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2019-10-15 01:39:28,765 INFO L464 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2019-10-15 01:39:28,765 INFO L464 ElimStorePlain]: Eliminatee v_prenex_4 vanished before elimination [2019-10-15 01:39:28,766 INFO L464 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2019-10-15 01:39:28,766 INFO L464 ElimStorePlain]: Eliminatee v_prenex_6 vanished before elimination [2019-10-15 01:39:28,766 INFO L464 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2019-10-15 01:39:28,766 INFO L464 ElimStorePlain]: Eliminatee v_prenex_8 vanished before elimination [2019-10-15 01:39:28,766 INFO L464 ElimStorePlain]: Eliminatee v_prenex_9 vanished before elimination [2019-10-15 01:39:28,766 INFO L464 ElimStorePlain]: Eliminatee v_prenex_10 vanished before elimination [2019-10-15 01:39:28,767 INFO L464 ElimStorePlain]: Eliminatee v_prenex_31 vanished before elimination [2019-10-15 01:39:28,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,781 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,787 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,794 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,798 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,801 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,804 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,807 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:28,883 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 56 [2019-10-15 01:39:28,883 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-15 01:39:29,327 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-10-15 01:39:29,328 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:39:29,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,371 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2019-10-15 01:39:29,371 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-15 01:39:29,684 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-10-15 01:39:29,684 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:39:29,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,696 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,699 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,701 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,702 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,705 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:29,725 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 57 [2019-10-15 01:39:29,726 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-15 01:39:29,993 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-10-15 01:39:29,993 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:39:30,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:30,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:30,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:30,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:30,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:30,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:30,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:30,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:30,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:30,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-15 01:39:30,021 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 50 [2019-10-15 01:39:30,022 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-10-15 01:39:30,187 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-10-15 01:39:30,187 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-15 01:39:30,188 INFO L464 ElimStorePlain]: Eliminatee v_prenex_11 vanished before elimination [2019-10-15 01:39:30,188 INFO L464 ElimStorePlain]: Eliminatee v_prenex_18 vanished before elimination [2019-10-15 01:39:30,188 INFO L464 ElimStorePlain]: Eliminatee v_prenex_17 vanished before elimination [2019-10-15 01:39:30,188 INFO L464 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2019-10-15 01:39:30,189 INFO L464 ElimStorePlain]: Eliminatee v_prenex_15 vanished before elimination [2019-10-15 01:39:30,191 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 32 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-10-15 01:39:30,191 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 34 variables, input treesize:1697, output treesize:325 [2019-10-15 01:39:30,346 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-10-15 01:39:30,511 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-15 01:39:30,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-15 01:39:30,518 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,522 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,523 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,525 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,528 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,540 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,548 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,552 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,554 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,559 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,577 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,578 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:30,616 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:39:30,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,621 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,621 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,622 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,702 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,744 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:30,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,043 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,235 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 217 [2019-10-15 01:39:31,250 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-15 01:39:31,251 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-15 01:39:31,251 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-15 01:39:31,252 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-15 01:39:31,277 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-15 01:39:31,278 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-15 01:39:31,278 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-15 01:39:31,279 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-15 01:39:31,306 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 111 treesize of output 103 [2019-10-15 01:39:31,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,307 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,307 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,308 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,309 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,311 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,313 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,313 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:39:31,317 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-15 01:39:31,353 INFO L567 ElimStorePlain]: treesize reduction 36, result has 52.0 percent of original size [2019-10-15 01:39:31,354 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts.