/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/array-tiling/mbpr5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:24:09,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:24:09,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:24:09,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:24:09,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:24:09,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:24:09,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:24:09,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:24:09,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:24:09,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:24:10,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:24:10,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:24:10,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:24:10,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:24:10,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:24:10,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:24:10,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:24:10,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:24:10,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:24:10,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:24:10,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:24:10,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:24:10,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:24:10,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:24:10,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:24:10,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 23:24:10,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 23:24:10,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 23:24:10,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-23 23:24:10,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:24:10,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:24:10,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:24:10,054 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:24:10,054 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:24:10,055 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:24:10,055 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:24:10,055 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:24:10,055 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:24:10,055 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:24:10,056 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:24:10,057 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:24:10,057 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:24:10,057 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:24:10,058 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:24:10,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:24:10,059 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:24:10,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:24:10,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:24:10,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:24:10,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:24:10,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:24:10,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:24:10,061 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:24:10,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:24:10,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:24:10,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:24:10,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:24:10,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:24:10,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:24:10,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:24:10,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:24:10,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:24:10,064 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:24:10,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:24:10,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:24:10,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:24:10,065 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:24:10,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:24:10,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:24:10,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:24:10,357 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:24:10,357 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:24:10,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/mbpr5.c [2019-11-23 23:24:10,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386c42c5b/5808b5bdfbec40dd80c90f1d7a416a53/FLAGea9054ea6 [2019-11-23 23:24:10,917 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:24:10,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/mbpr5.c [2019-11-23 23:24:10,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386c42c5b/5808b5bdfbec40dd80c90f1d7a416a53/FLAGea9054ea6 [2019-11-23 23:24:11,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386c42c5b/5808b5bdfbec40dd80c90f1d7a416a53 [2019-11-23 23:24:11,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:24:11,283 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:24:11,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:24:11,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:24:11,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:24:11,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:24:11" (1/1) ... [2019-11-23 23:24:11,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b68018e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11, skipping insertion in model container [2019-11-23 23:24:11,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:24:11" (1/1) ... [2019-11-23 23:24:11,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:24:11,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:24:11,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:24:11,548 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:24:11,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:24:11,715 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:24:11,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11 WrapperNode [2019-11-23 23:24:11,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:24:11,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:24:11,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:24:11,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:24:11,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ... [2019-11-23 23:24:11,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ... [2019-11-23 23:24:11,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:24:11,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:24:11,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:24:11,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:24:11,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ... [2019-11-23 23:24:11,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ... [2019-11-23 23:24:11,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ... [2019-11-23 23:24:11,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ... [2019-11-23 23:24:11,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ... [2019-11-23 23:24:11,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ... [2019-11-23 23:24:11,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (1/1) ... [2019-11-23 23:24:11,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:24:11,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:24:11,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:24:11,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:24:11,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (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 [2019-11-23 23:24:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:24:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:24:11,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:24:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:24:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:24:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:24:12,577 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:24:12,577 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-23 23:24:12,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:24:12 BoogieIcfgContainer [2019-11-23 23:24:12,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:24:12,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:24:12,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:24:12,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:24:12,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:24:11" (1/3) ... [2019-11-23 23:24:12,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1477be90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:24:12, skipping insertion in model container [2019-11-23 23:24:12,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:24:11" (2/3) ... [2019-11-23 23:24:12,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1477be90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:24:12, skipping insertion in model container [2019-11-23 23:24:12,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:24:12" (3/3) ... [2019-11-23 23:24:12,587 INFO L109 eAbstractionObserver]: Analyzing ICFG mbpr5.c [2019-11-23 23:24:12,597 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:24:12,605 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:24:12,617 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:24:12,644 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:24:12,644 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:24:12,644 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:24:12,644 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:24:12,645 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:24:12,645 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:24:12,645 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:24:12,646 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:24:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-11-23 23:24:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-23 23:24:12,674 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:24:12,675 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:24:12,676 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:24:12,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:24:12,682 INFO L82 PathProgramCache]: Analyzing trace with hash 33152588, now seen corresponding path program 1 times [2019-11-23 23:24:12,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:24:12,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103697486] [2019-11-23 23:24:12,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:24:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:24:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:24:13,174 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103697486] [2019-11-23 23:24:13,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:24:13,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 23:24:13,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76407346] [2019-11-23 23:24:13,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 23:24:13,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:24:13,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 23:24:13,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 23:24:13,203 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 5 states. [2019-11-23 23:24:13,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:24:13,328 INFO L93 Difference]: Finished difference Result 38 states and 54 transitions. [2019-11-23 23:24:13,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 23:24:13,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-11-23 23:24:13,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:24:13,361 INFO L225 Difference]: With dead ends: 38 [2019-11-23 23:24:13,362 INFO L226 Difference]: Without dead ends: 18 [2019-11-23 23:24:13,367 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-23 23:24:13,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-23 23:24:13,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-23 23:24:13,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-23 23:24:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2019-11-23 23:24:13,416 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 11 [2019-11-23 23:24:13,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:24:13,417 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions. [2019-11-23 23:24:13,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 23:24:13,417 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2019-11-23 23:24:13,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-23 23:24:13,418 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:24:13,418 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:24:13,419 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:24:13,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:24:13,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1803047810, now seen corresponding path program 1 times [2019-11-23 23:24:13,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:24:13,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588415362] [2019-11-23 23:24:13,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:24:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:24:14,488 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 45 [2019-11-23 23:24:14,637 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 40 [2019-11-23 23:24:14,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:24:14,927 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588415362] [2019-11-23 23:24:14,927 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941259441] [2019-11-23 23:24:14,928 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 [2019-11-23 23:24:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:24:15,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 37 conjunts are in the unsatisfiable core [2019-11-23 23:24:15,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:24:15,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:15,218 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:15,218 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 23:24:15,270 INFO L567 ElimStorePlain]: treesize reduction 3, result has 98.8 percent of original size [2019-11-23 23:24:15,289 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 188 [2019-11-23 23:24:15,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,296 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,299 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,310 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,313 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,318 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,333 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,347 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,360 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 44 [2019-11-23 23:24:15,361 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 23:24:15,366 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:24:15,366 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 23:24:15,389 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:24:15,390 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 23:24:15,390 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:490, output treesize:26 [2019-11-23 23:24:15,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:15,498 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 423 treesize of output 388 [2019-11-23 23:24:15,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,532 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,536 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,550 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,621 INFO L343 Elim1Store]: treesize reduction 26, result has 44.7 percent of original size [2019-11-23 23:24:15,622 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 84 [2019-11-23 23:24:15,623 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 23:24:15,658 INFO L567 ElimStorePlain]: treesize reduction 29, result has 58.6 percent of original size [2019-11-23 23:24:15,659 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 23:24:15,718 INFO L567 ElimStorePlain]: treesize reduction 424, result has 8.8 percent of original size [2019-11-23 23:24:15,719 INFO L464 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2019-11-23 23:24:15,721 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-23 23:24:15,721 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:844, output treesize:38 [2019-11-23 23:24:15,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:15,918 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 411 treesize of output 374 [2019-11-23 23:24:15,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,923 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,926 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,930 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,931 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,934 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,936 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,938 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,939 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,940 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,942 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,943 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,945 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,946 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,947 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,948 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,950 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,952 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,962 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,963 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,964 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,969 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,971 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,972 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,973 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:15,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,045 INFO L343 Elim1Store]: treesize reduction 67, result has 43.2 percent of original size [2019-11-23 23:24:16,046 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 89 treesize of output 117 [2019-11-23 23:24:16,047 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 23:24:16,066 INFO L567 ElimStorePlain]: treesize reduction 62, result has 34.0 percent of original size [2019-11-23 23:24:16,067 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 23:24:16,104 INFO L567 ElimStorePlain]: treesize reduction 3, result has 94.6 percent of original size [2019-11-23 23:24:16,106 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-23 23:24:16,106 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:435, output treesize:50 [2019-11-23 23:24:16,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:16,269 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 423 treesize of output 384 [2019-11-23 23:24:16,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,281 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,283 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,287 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,293 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,295 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,307 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,310 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,315 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,318 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,319 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,320 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,321 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,324 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,326 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,328 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,331 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,343 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,361 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:16,463 INFO L343 Elim1Store]: treesize reduction 95, result has 49.7 percent of original size [2019-11-23 23:24:16,464 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 25 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 99 treesize of output 163 [2019-11-23 23:24:16,465 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 23:24:16,497 INFO L567 ElimStorePlain]: treesize reduction 98, result has 31.0 percent of original size [2019-11-23 23:24:16,498 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 23:24:16,548 INFO L567 ElimStorePlain]: treesize reduction 3, result has 95.6 percent of original size [2019-11-23 23:24:16,550 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-23 23:24:16,551 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:447, output treesize:62 [2019-11-23 23:24:16,786 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-11-23 23:24:16,791 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:16,923 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-11-23 23:24:16,937 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:16,937 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 23:24:17,056 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-11-23 23:24:17,057 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:24:17,062 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 394 [2019-11-23 23:24:17,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,095 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,096 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,098 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,100 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,102 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,107 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,109 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,111 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,114 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,116 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,119 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,122 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,123 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,128 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,139 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,140 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,142 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,143 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,151 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,152 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,153 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,157 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,158 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,159 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,163 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,165 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,170 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,173 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,179 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,197 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,198 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,200 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,204 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,205 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:24:17,302 INFO L343 Elim1Store]: treesize reduction 127, result has 51.2 percent of original size [2019-11-23 23:24:17,306 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 32 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 109 treesize of output 205 [2019-11-23 23:24:17,307 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 23:24:17,349 INFO L567 ElimStorePlain]: treesize reduction 134, result has 29.5 percent of original size [2019-11-23 23:24:17,350 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 23:24:17,375 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:24:17,377 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-23 23:24:17,378 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 11 variables, input treesize:913, output treesize:74 [2019-11-23 23:24:17,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:24:17,565 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:24:17,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,734 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,795 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,932 INFO L377 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 786 treesize of output 722 [2019-11-23 23:24:17,938 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,938 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,939 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,940 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,941 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,942 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,943 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,943 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,944 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,945 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,945 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,946 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,950 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,950 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,954 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,954 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,955 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,955 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:17,958 INFO L377 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 53 treesize of output 49 [2019-11-23 23:24:17,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:17,960 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 23:24:17,970 INFO L567 ElimStorePlain]: treesize reduction 12, result has 50.0 percent of original size [2019-11-23 23:24:17,971 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 23:24:17,988 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:24:17,998 INFO L377 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 787 treesize of output 723 [2019-11-23 23:24:18,002 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,003 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,004 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,004 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,006 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,007 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,007 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,009 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,009 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,010 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,011 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,012 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,012 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,013 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,017 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,018 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,019 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,019 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-23 23:24:18,022 INFO L377 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 59 treesize of output 55 [2019-11-23 23:24:18,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:18,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:24:18,024 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 23:24:18,037 INFO L567 ElimStorePlain]: treesize reduction 18, result has 41.9 percent of original size [2019-11-23 23:24:18,038 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-23 23:24:18,046 INFO L567 ElimStorePlain]: treesize reduction 18, result has 30.8 percent of original size [2019-11-23 23:24:18,047 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-23 23:24:18,047 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:1574, output treesize:8 [2019-11-23 23:24:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-23 23:24:18,084 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1041128322] [2019-11-23 23:24:18,115 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2019-11-23 23:24:18,115 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:24:18,120 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:24:18,127 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:24:18,127 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:24:18,275 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:18,610 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:18,619 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:19,020 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 142 [2019-11-23 23:24:19,125 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:19,199 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:19,208 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:19,435 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:20,073 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2019-11-23 23:24:20,093 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:20,111 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:20,780 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:20,798 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:20,814 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:20,933 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2019-11-23 23:24:21,677 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:24,734 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:25,444 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:25,455 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:25,884 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:25,903 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:25,910 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:25,917 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:26,056 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:26,065 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:26,074 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:26,089 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:29,885 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:31,819 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:31,834 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:32,199 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:32,276 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:32,289 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:32,295 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:32,429 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:32,572 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:32,579 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:32,587 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:36,164 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:39,959 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:40,876 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:40,890 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:40,904 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:40,920 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:40,932 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:41,169 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:43,451 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:50,645 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:50,928 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:50,946 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:50,965 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,050 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,070 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,092 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,116 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,132 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,308 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-11-23 23:24:51,441 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 184 [2019-11-23 23:24:51,572 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,619 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,665 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,696 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,727 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,756 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,778 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,809 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,839 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,869 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,898 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:51,930 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:52,157 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 204 [2019-11-23 23:24:52,585 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:55,934 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:55,950 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:56,095 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:57,105 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:24:57,695 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 333 [2019-11-23 23:24:58,206 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2019-11-23 23:24:58,611 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-11-23 23:25:00,658 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:03,547 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:03,613 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:03,630 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:03,646 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:03,823 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:03,958 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:03,973 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:03,987 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:04,034 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:04,050 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:04,064 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:04,103 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:04,115 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:04,126 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:04,140 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:04,150 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:04,308 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:04,696 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:07,669 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:08,484 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:09,844 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:10,401 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,501 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,517 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,532 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,546 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,560 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,574 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,589 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,603 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,618 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,633 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,646 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,658 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,672 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,685 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,897 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,905 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,912 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:11,927 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:12,355 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:12,393 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:12,430 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:12,651 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 662 [2019-11-23 23:25:28,047 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_main_~i~0 20))) (= (+ .cse0 |ULTIMATE.start_main_~#volArray~0.offset| (- 40)) (+ .cse0 |ULTIMATE.start_main_~#volArray~0.offset| (- 24)))) [2019-11-23 23:25:34,990 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_main_~i~0 20))) (= (+ .cse0 |ULTIMATE.start_main_~#volArray~0.offset| (- 40)) (+ .cse0 |ULTIMATE.start_main_~#volArray~0.offset| (- 32))))