java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-crafted/mapavg5.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 21:40:18,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 21:40:18,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 21:40:18,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 21:40:18,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 21:40:18,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 21:40:18,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 21:40:18,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 21:40:18,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 21:40:18,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 21:40:18,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 21:40:18,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 21:40:18,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 21:40:18,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 21:40:18,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 21:40:18,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 21:40:18,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 21:40:18,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 21:40:18,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 21:40:18,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 21:40:18,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 21:40:18,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 21:40:18,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 21:40:18,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 21:40:18,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 21:40:18,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 21:40:18,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 21:40:18,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 21:40:18,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 21:40:18,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 21:40:18,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 21:40:18,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 21:40:18,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 21:40:18,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 21:40:18,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 21:40:18,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 21:40:18,862 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 [2019-10-14 21:40:18,896 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 21:40:18,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 21:40:18,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 21:40:18,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 21:40:18,898 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 21:40:18,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 21:40:18,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 21:40:18,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 21:40:18,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 21:40:18,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 21:40:18,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 21:40:18,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 21:40:18,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 21:40:18,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 21:40:18,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 21:40:18,905 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 21:40:18,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 21:40:18,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 21:40:18,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 21:40:18,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 21:40:18,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 21:40:18,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:40:18,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 21:40:18,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 21:40:18,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 21:40:18,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 21:40:18,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 21:40:18,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 21:40:18,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 21:40:19,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 21:40:19,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 21:40:19,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 21:40:19,217 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 21:40:19,218 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 21:40:19,218 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/mapavg5.i [2019-10-14 21:40:19,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4b03b24/d97d2093f1434f10abc19fe84122a115/FLAGaec6546a7 [2019-10-14 21:40:19,751 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 21:40:19,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/mapavg5.i [2019-10-14 21:40:19,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4b03b24/d97d2093f1434f10abc19fe84122a115/FLAGaec6546a7 [2019-10-14 21:40:20,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4b03b24/d97d2093f1434f10abc19fe84122a115 [2019-10-14 21:40:20,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 21:40:20,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 21:40:20,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 21:40:20,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 21:40:20,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 21:40:20,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:40:20" (1/1) ... [2019-10-14 21:40:20,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337d46e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:40:20, skipping insertion in model container [2019-10-14 21:40:20,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:40:20" (1/1) ... [2019-10-14 21:40:20,121 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 21:40:20,140 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 21:40:20,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:40:20,334 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 21:40:20,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:40:20,460 INFO L192 MainTranslator]: Completed translation [2019-10-14 21:40:20,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:40:20 WrapperNode [2019-10-14 21:40:20,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 21:40:20,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 21:40:20,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 21:40:20,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 21:40:20,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:40:20" (1/1) ... [2019-10-14 21:40:20,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:40:20" (1/1) ... [2019-10-14 21:40:20,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:40:20" (1/1) ... [2019-10-14 21:40:20,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:40:20" (1/1) ... [2019-10-14 21:40:20,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:40:20" (1/1) ... [2019-10-14 21:40:20,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:40:20" (1/1) ... [2019-10-14 21:40:20,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:40:20" (1/1) ... [2019-10-14 21:40:20,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 21:40:20,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 21:40:20,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 21:40:20,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 21:40:20,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:40:20" (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 [2019-10-14 21:40:20,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 21:40:20,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 21:40:20,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mapavg [2019-10-14 21:40:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 21:40:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 21:40:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 21:40:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure mapavg [2019-10-14 21:40:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 21:40:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 21:40:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 21:40:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 21:40:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 21:40:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 21:40:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 21:40:20,870 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 21:40:20,870 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-14 21:40:20,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:40:20 BoogieIcfgContainer [2019-10-14 21:40:20,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 21:40:20,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 21:40:20,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 21:40:20,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 21:40:20,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:40:20" (1/3) ... [2019-10-14 21:40:20,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c80585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:40:20, skipping insertion in model container [2019-10-14 21:40:20,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:40:20" (2/3) ... [2019-10-14 21:40:20,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c80585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:40:20, skipping insertion in model container [2019-10-14 21:40:20,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:40:20" (3/3) ... [2019-10-14 21:40:20,886 INFO L109 eAbstractionObserver]: Analyzing ICFG mapavg5.i [2019-10-14 21:40:20,896 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 21:40:20,904 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 21:40:20,916 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 21:40:20,949 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 21:40:20,949 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 21:40:20,949 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 21:40:20,949 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 21:40:20,949 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 21:40:20,949 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 21:40:20,950 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 21:40:20,950 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 21:40:20,967 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-10-14 21:40:20,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-14 21:40:20,974 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:40:20,975 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:40:20,977 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:40:20,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:40:20,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1453772458, now seen corresponding path program 1 times [2019-10-14 21:40:20,989 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:40:20,990 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882177101] [2019-10-14 21:40:20,990 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:20,990 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:20,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:40:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:40:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:40:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:40:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:40:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:40:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-14 21:40:21,202 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882177101] [2019-10-14 21:40:21,203 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:40:21,203 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 21:40:21,203 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562516391] [2019-10-14 21:40:21,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:40:21,209 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:40:21,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:40:21,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 21:40:21,227 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 3 states. [2019-10-14 21:40:21,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:40:21,362 INFO L93 Difference]: Finished difference Result 57 states and 75 transitions. [2019-10-14 21:40:21,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:40:21,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-14 21:40:21,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:40:21,375 INFO L225 Difference]: With dead ends: 57 [2019-10-14 21:40:21,375 INFO L226 Difference]: Without dead ends: 27 [2019-10-14 21:40:21,379 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 21:40:21,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-14 21:40:21,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-14 21:40:21,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-14 21:40:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2019-10-14 21:40:21,429 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 33 [2019-10-14 21:40:21,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:40:21,429 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2019-10-14 21:40:21,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:40:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2019-10-14 21:40:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-14 21:40:21,432 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:40:21,432 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:40:21,433 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:40:21,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:40:21,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1976009436, now seen corresponding path program 1 times [2019-10-14 21:40:21,434 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:40:21,434 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669269619] [2019-10-14 21:40:21,435 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:21,435 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:21,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:40:21,456 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-14 21:40:21,457 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1108910758] [2019-10-14 21:40:21,457 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 [2019-10-14 21:40:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:40:21,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-14 21:40:21,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:40:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-14 21:40:21,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669269619] [2019-10-14 21:40:21,591 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-14 21:40:21,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108910758] [2019-10-14 21:40:21,592 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:40:21,592 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 21:40:21,592 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949375492] [2019-10-14 21:40:21,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:40:21,597 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:40:21,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:40:21,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 21:40:21,598 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 3 states. [2019-10-14 21:40:21,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:40:21,653 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2019-10-14 21:40:21,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:40:21,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-10-14 21:40:21,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:40:21,656 INFO L225 Difference]: With dead ends: 47 [2019-10-14 21:40:21,656 INFO L226 Difference]: Without dead ends: 29 [2019-10-14 21:40:21,657 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 21:40:21,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-14 21:40:21,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2019-10-14 21:40:21,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-14 21:40:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2019-10-14 21:40:21,675 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 33 [2019-10-14 21:40:21,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:40:21,677 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2019-10-14 21:40:21,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:40:21,677 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2019-10-14 21:40:21,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-14 21:40:21,680 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:40:21,680 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:40:21,883 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:40:21,884 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:40:21,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:40:21,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1431012774, now seen corresponding path program 1 times [2019-10-14 21:40:21,886 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:40:21,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525189494] [2019-10-14 21:40:21,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:21,887 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:21,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:40:21,903 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-14 21:40:21,903 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804822568] [2019-10-14 21:40:21,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:40:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:40:21,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:40:21,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:40:22,012 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-14 21:40:22,012 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525189494] [2019-10-14 21:40:22,012 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-14 21:40:22,013 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804822568] [2019-10-14 21:40:22,013 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:40:22,013 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-10-14 21:40:22,014 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680668851] [2019-10-14 21:40:22,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 21:40:22,014 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:40:22,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 21:40:22,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-14 21:40:22,015 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 4 states. [2019-10-14 21:40:22,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:40:22,126 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2019-10-14 21:40:22,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 21:40:22,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2019-10-14 21:40:22,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:40:22,127 INFO L225 Difference]: With dead ends: 49 [2019-10-14 21:40:22,128 INFO L226 Difference]: Without dead ends: 31 [2019-10-14 21:40:22,128 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-14 21:40:22,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-14 21:40:22,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2019-10-14 21:40:22,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-14 21:40:22,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2019-10-14 21:40:22,135 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 35 [2019-10-14 21:40:22,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:40:22,136 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2019-10-14 21:40:22,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 21:40:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2019-10-14 21:40:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-14 21:40:22,138 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:40:22,138 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:40:22,341 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:40:22,342 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:40:22,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:40:22,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1480690264, now seen corresponding path program 2 times [2019-10-14 21:40:22,344 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:40:22,344 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157222324] [2019-10-14 21:40:22,345 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:22,345 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:22,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:40:22,366 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-14 21:40:22,367 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479612398] [2019-10-14 21:40:22,368 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:40:22,434 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-10-14 21:40:22,435 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-14 21:40:22,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-14 21:40:22,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:40:22,456 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-14 21:40:22,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157222324] [2019-10-14 21:40:22,457 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-14 21:40:22,457 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479612398] [2019-10-14 21:40:22,457 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:40:22,457 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:40:22,458 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346837232] [2019-10-14 21:40:22,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 21:40:22,458 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:40:22,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 21:40:22,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-14 21:40:22,459 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 4 states. [2019-10-14 21:40:22,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:40:22,520 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2019-10-14 21:40:22,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 21:40:22,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-10-14 21:40:22,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:40:22,522 INFO L225 Difference]: With dead ends: 49 [2019-10-14 21:40:22,522 INFO L226 Difference]: Without dead ends: 32 [2019-10-14 21:40:22,523 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-14 21:40:22,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-10-14 21:40:22,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2019-10-14 21:40:22,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-10-14 21:40:22,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2019-10-14 21:40:22,530 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 37 [2019-10-14 21:40:22,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:40:22,531 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2019-10-14 21:40:22,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 21:40:22,531 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2019-10-14 21:40:22,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-14 21:40:22,532 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:40:22,532 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:40:22,737 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:40:22,738 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:40:22,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:40:22,738 INFO L82 PathProgramCache]: Analyzing trace with hash -36652570, now seen corresponding path program 1 times [2019-10-14 21:40:22,739 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:40:22,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166565105] [2019-10-14 21:40:22,739 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:22,739 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:22,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:40:22,762 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-14 21:40:22,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [22526427] [2019-10-14 21:40:22,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:40:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:40:22,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:40:22,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:40:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-14 21:40:22,863 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166565105] [2019-10-14 21:40:22,863 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-14 21:40:22,864 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22526427] [2019-10-14 21:40:22,864 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:40:22,864 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-10-14 21:40:22,864 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414496633] [2019-10-14 21:40:22,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:40:22,865 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:40:22,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:40:22,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:40:22,866 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 5 states. [2019-10-14 21:40:22,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:40:22,931 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2019-10-14 21:40:22,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 21:40:22,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2019-10-14 21:40:22,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:40:22,932 INFO L225 Difference]: With dead ends: 52 [2019-10-14 21:40:22,933 INFO L226 Difference]: Without dead ends: 34 [2019-10-14 21:40:22,933 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:40:22,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-10-14 21:40:22,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2019-10-14 21:40:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-14 21:40:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2019-10-14 21:40:22,940 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 43 [2019-10-14 21:40:22,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:40:22,941 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2019-10-14 21:40:22,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:40:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2019-10-14 21:40:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-14 21:40:22,942 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:40:22,942 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:40:23,146 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:40:23,146 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:40:23,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:40:23,147 INFO L82 PathProgramCache]: Analyzing trace with hash -908552284, now seen corresponding path program 2 times [2019-10-14 21:40:23,147 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:40:23,147 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384371052] [2019-10-14 21:40:23,148 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:23,148 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:23,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:40:23,170 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-14 21:40:23,170 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169482204] [2019-10-14 21:40:23,170 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:40:23,252 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-14 21:40:23,252 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-14 21:40:23,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-14 21:40:23,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:40:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-14 21:40:23,289 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384371052] [2019-10-14 21:40:23,290 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-14 21:40:23,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169482204] [2019-10-14 21:40:23,291 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:40:23,291 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:40:23,291 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685792103] [2019-10-14 21:40:23,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 21:40:23,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:40:23,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 21:40:23,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-14 21:40:23,294 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 4 states. [2019-10-14 21:40:23,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:40:23,350 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2019-10-14 21:40:23,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-14 21:40:23,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2019-10-14 21:40:23,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:40:23,352 INFO L225 Difference]: With dead ends: 50 [2019-10-14 21:40:23,354 INFO L226 Difference]: Without dead ends: 35 [2019-10-14 21:40:23,355 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-14 21:40:23,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-14 21:40:23,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2019-10-14 21:40:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-10-14 21:40:23,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2019-10-14 21:40:23,361 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 49 [2019-10-14 21:40:23,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:40:23,363 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2019-10-14 21:40:23,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 21:40:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2019-10-14 21:40:23,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-14 21:40:23,364 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:40:23,364 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:40:23,567 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:40:23,568 INFO L410 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:40:23,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:40:23,569 INFO L82 PathProgramCache]: Analyzing trace with hash -712897726, now seen corresponding path program 1 times [2019-10-14 21:40:23,569 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:40:23,570 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771439794] [2019-10-14 21:40:23,570 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:23,571 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:40:23,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:40:23,596 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-14 21:40:23,597 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871540162] [2019-10-14 21:40:23,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:40:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:40:23,678 WARN L254 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 92 conjunts are in the unsatisfiable core [2019-10-14 21:40:23,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:40:23,754 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-14 21:40:23,754 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:23,767 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 21:40:23,768 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 21:40:23,768 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2019-10-14 21:40:24,292 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2019-10-14 21:40:24,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:24,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:24,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:24,431 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:24,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:24,463 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:24,473 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 54 [2019-10-14 21:40:24,475 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:24,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:24,503 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 65 [2019-10-14 21:40:24,505 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:24,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:24,530 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 52 [2019-10-14 21:40:24,532 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:24,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:24,557 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 56 [2019-10-14 21:40:24,559 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:24,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:24,588 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 67 [2019-10-14 21:40:24,592 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:24,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:24,630 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 54 [2019-10-14 21:40:24,631 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:24,922 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-10-14 21:40:24,922 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 21:40:24,923 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-10-14 21:40:24,924 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:609, output treesize:453 [2019-10-14 21:40:25,189 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-10-14 21:40:26,020 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-10-14 21:40:26,442 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-10-14 21:40:26,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:26,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:26,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:26,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-14 21:40:26,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-14 21:40:26,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:26,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-14 21:40:26,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-14 21:40:26,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:26,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-14 21:40:26,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-14 21:40:26,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,518 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 73 [2019-10-14 21:40:26,520 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,543 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 96 [2019-10-14 21:40:26,546 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,569 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 80 [2019-10-14 21:40:26,571 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,597 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 73 [2019-10-14 21:40:26,598 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,617 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,624 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 69 [2019-10-14 21:40:26,625 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,655 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 94 [2019-10-14 21:40:26,657 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,677 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,683 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 71 [2019-10-14 21:40:26,684 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,717 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 94 [2019-10-14 21:40:26,719 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,774 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 98 [2019-10-14 21:40:26,777 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,800 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,810 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 85 [2019-10-14 21:40:26,812 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,853 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 77 [2019-10-14 21:40:26,854 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,886 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 94 [2019-10-14 21:40:26,888 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,933 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 94 [2019-10-14 21:40:26,935 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:26,969 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:26,997 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 65 [2019-10-14 21:40:26,998 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,035 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,045 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 85 [2019-10-14 21:40:27,046 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,064 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,071 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 67 [2019-10-14 21:40:27,072 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,120 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 98 [2019-10-14 21:40:27,121 INFO L496 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,168 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,179 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 77 [2019-10-14 21:40:27,181 INFO L496 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,207 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 85 [2019-10-14 21:40:27,209 INFO L496 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,252 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 79 [2019-10-14 21:40:27,253 INFO L496 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,303 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 77 [2019-10-14 21:40:27,305 INFO L496 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,333 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,343 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 96 [2019-10-14 21:40:27,345 INFO L496 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,431 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 79 [2019-10-14 21:40:27,432 INFO L496 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,456 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,475 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 96 [2019-10-14 21:40:27,477 INFO L496 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,507 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 96 [2019-10-14 21:40:27,509 INFO L496 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,538 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 77 [2019-10-14 21:40:27,539 INFO L496 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,578 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 85 [2019-10-14 21:40:27,580 INFO L496 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:27,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:27,596 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 84 [2019-10-14 21:40:27,597 INFO L496 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:28,916 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2019-10-14 21:40:28,916 INFO L567 ElimStorePlain]: treesize reduction 2432, result has 18.4 percent of original size [2019-10-14 21:40:28,917 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-10-14 21:40:28,917 INFO L221 ElimStorePlain]: Needed 29 recursive calls to eliminate 1 variables, input treesize:4065, output treesize:549 [2019-10-14 21:40:29,343 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-10-14 21:40:29,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-14 21:40:29,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:29,370 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:29,395 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 83 [2019-10-14 21:40:29,398 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:29,416 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:29,416 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:29,443 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 70 [2019-10-14 21:40:29,443 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:29,457 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:29,458 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:29,498 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 72 [2019-10-14 21:40:29,499 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:29,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:29,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:29,524 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:29,565 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 74 [2019-10-14 21:40:29,566 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:29,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:29,576 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:29,612 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 68 [2019-10-14 21:40:29,612 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:29,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:29,626 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:29,632 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 87 [2019-10-14 21:40:29,634 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:30,102 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-14 21:40:30,103 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 21:40:30,106 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2019-10-14 21:40:30,107 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:645, output treesize:661 [2019-10-14 21:40:30,661 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-10-14 21:40:30,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-10-14 21:40:30,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,722 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,722 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,726 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,728 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,729 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,730 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,730 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,734 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,735 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,735 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,737 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,738 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,744 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,748 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,749 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,750 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,751 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,756 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,757 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,759 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,761 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,761 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,762 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,763 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,769 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,781 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,783 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,783 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,785 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:30,790 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 21:40:33,032 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ (* v_prenex_17 4) (- 4)) 0) [2019-10-14 21:40:33,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:33,033 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:34,053 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:34,053 INFO L235 Elim1Store]: Index analysis took 3022 ms [2019-10-14 21:40:34,055 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 84 [2019-10-14 21:40:34,056 INFO L496 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-14 21:40:34,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:34,194 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:34,411 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:34,411 INFO L235 Elim1Store]: Index analysis took 270 ms [2019-10-14 21:40:34,413 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 1 [2019-10-14 21:40:34,413 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:34,546 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:34,547 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:34,635 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:34,636 INFO L235 Elim1Store]: Index analysis took 104 ms [2019-10-14 21:40:34,637 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 1 [2019-10-14 21:40:34,638 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-14 21:40:36,987 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ (* v_prenex_17 4) (- 4)) 0) [2019-10-14 21:40:36,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:36,988 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:37,493 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:37,493 INFO L235 Elim1Store]: Index analysis took 2634 ms [2019-10-14 21:40:37,495 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 84 [2019-10-14 21:40:37,497 INFO L496 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-14 21:40:37,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:37,557 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:39,663 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select v_prenex_19 v_prenex_18))) (= (select .cse0 4) (select .cse0 0))) [2019-10-14 21:40:39,685 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:39,685 INFO L235 Elim1Store]: Index analysis took 2155 ms [2019-10-14 21:40:39,687 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 86 [2019-10-14 21:40:39,688 INFO L496 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-14 21:40:39,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:40:39,746 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:40:39,748 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 21:40:39,748 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 189 treesize of output 100 [2019-10-14 21:40:39,749 INFO L496 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-14 21:41:01,891 WARN L191 SmtUtils]: Spent 22.14 s on a formula simplification. DAG size of input: 300 DAG size of output: 154 [2019-10-14 21:41:01,891 INFO L567 ElimStorePlain]: treesize reduction 4422, result has 12.8 percent of original size [2019-10-14 21:41:01,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:41:01,920 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:41:01,921 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 21:41:01,922 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 79 [2019-10-14 21:41:01,924 INFO L496 ElimStorePlain]: Start of recursive call 8: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-10-14 21:41:09,000 WARN L191 SmtUtils]: Spent 7.07 s on a formula simplification that was a NOOP. DAG size: 144 [2019-10-14 21:41:09,000 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 21:41:09,028 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-14 21:41:09,029 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-14 21:41:09,032 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 21:41:09,032 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 62 [2019-10-14 21:41:09,034 INFO L496 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts.