java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/reducercommutativity/avg.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:19:44,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:19:44,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:19:44,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:19:44,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:19:44,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:19:44,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:19:44,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:19:44,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:19:44,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:19:44,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:19:44,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:19:44,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:19:44,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:19:44,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:19:44,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:19:44,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:19:44,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:19:44,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:19:44,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:19:44,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:19:44,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:19:44,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:19:44,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:19:44,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 23:19:44,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:19:44,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:19:44,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:19:44,388 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 [2019-10-13 23:19:44,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:19:44,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:19:44,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:19:44,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:19:44,413 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:19:44,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:19:44,414 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:19:44,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:19:44,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:19:44,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:19:44,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:19:44,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:19:44,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:19:44,416 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:19:44,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:19:44,417 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:19:44,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:19:44,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:19:44,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:19:44,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:19:44,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:19:44,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:19:44,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:19:44,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:19:44,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:19:44,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:19:44,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:19:44,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:19:44,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:19:44,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:19:44,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:19:44,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:19:44,690 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:19:44,691 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:19:44,692 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg.i [2019-10-13 23:19:44,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34feec19/07ddc9abde564560a30223388f8f02d9/FLAG9c9e1031f [2019-10-13 23:19:45,185 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:19:45,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg.i [2019-10-13 23:19:45,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34feec19/07ddc9abde564560a30223388f8f02d9/FLAG9c9e1031f [2019-10-13 23:19:45,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34feec19/07ddc9abde564560a30223388f8f02d9 [2019-10-13 23:19:45,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:19:45,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:19:45,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:19:45,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:19:45,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:19:45,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:19:45" (1/1) ... [2019-10-13 23:19:45,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0511c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:45, skipping insertion in model container [2019-10-13 23:19:45,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:19:45" (1/1) ... [2019-10-13 23:19:45,610 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:19:45,628 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:19:45,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:19:45,823 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:19:45,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:19:45,862 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:19:45,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:45 WrapperNode [2019-10-13 23:19:45,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:19:45,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:19:45,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:19:45,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:19:45,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:45" (1/1) ... [2019-10-13 23:19:45,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:45" (1/1) ... [2019-10-13 23:19:45,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:45" (1/1) ... [2019-10-13 23:19:45,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:45" (1/1) ... [2019-10-13 23:19:45,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:45" (1/1) ... [2019-10-13 23:19:45,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:45" (1/1) ... [2019-10-13 23:19:45,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:45" (1/1) ... [2019-10-13 23:19:45,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:19:45,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:19:45,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:19:45,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:19:45,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:45" (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 [2019-10-13 23:19:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:19:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:19:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-10-13 23:19:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:19:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:19:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:19:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-10-13 23:19:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:19:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:19:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:19:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:19:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:19:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:19:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:19:46,399 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:19:46,400 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-13 23:19:46,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:19:46 BoogieIcfgContainer [2019-10-13 23:19:46,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:19:46,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:19:46,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:19:46,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:19:46,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:19:45" (1/3) ... [2019-10-13 23:19:46,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0c02fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:19:46, skipping insertion in model container [2019-10-13 23:19:46,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:19:45" (2/3) ... [2019-10-13 23:19:46,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0c02fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:19:46, skipping insertion in model container [2019-10-13 23:19:46,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:19:46" (3/3) ... [2019-10-13 23:19:46,409 INFO L109 eAbstractionObserver]: Analyzing ICFG avg.i [2019-10-13 23:19:46,418 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:19:46,427 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:19:46,438 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:19:46,466 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:19:46,466 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:19:46,467 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:19:46,467 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:19:46,467 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:19:46,467 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:19:46,467 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:19:46,467 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:19:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-10-13 23:19:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-13 23:19:46,486 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:19:46,487 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:19:46,489 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:19:46,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:19:46,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1963309497, now seen corresponding path program 1 times [2019-10-13 23:19:46,504 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:19:46,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220239068] [2019-10-13 23:19:46,505 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:46,505 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:46,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:19:46,594 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:19:46,595 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1496803685] [2019-10-13 23:19:46,595 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 [2019-10-13 23:19:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:19:46,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:19:46,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:19:46,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 23:19:46,761 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:19:46,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 23:19:46,843 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220239068] [2019-10-13 23:19:46,843 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:19:46,843 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496803685] [2019-10-13 23:19:46,844 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 23:19:46,844 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2019-10-13 23:19:46,845 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489066038] [2019-10-13 23:19:46,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:19:46,850 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:19:46,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:19:46,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:19:46,867 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2019-10-13 23:19:46,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:19:46,956 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2019-10-13 23:19:46,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:19:46,958 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-10-13 23:19:46,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:19:46,967 INFO L225 Difference]: With dead ends: 46 [2019-10-13 23:19:46,967 INFO L226 Difference]: Without dead ends: 20 [2019-10-13 23:19:46,971 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:19:46,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-10-13 23:19:47,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-10-13 23:19:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-10-13 23:19:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2019-10-13 23:19:47,016 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 24 [2019-10-13 23:19:47,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:19:47,017 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-10-13 23:19:47,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:19:47,018 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2019-10-13 23:19:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-13 23:19:47,020 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:19:47,020 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:19:47,225 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:19:47,226 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:19:47,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:19:47,227 INFO L82 PathProgramCache]: Analyzing trace with hash 104273353, now seen corresponding path program 1 times [2019-10-13 23:19:47,227 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:19:47,228 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828422602] [2019-10-13 23:19:47,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:47,228 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:47,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:19:47,258 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:19:47,259 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1009144763] [2019-10-13 23:19:47,259 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 [2019-10-13 23:19:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:19:47,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 23:19:47,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:19:47,384 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 23:19:47,385 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:19:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 23:19:47,490 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828422602] [2019-10-13 23:19:47,490 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:19:47,491 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009144763] [2019-10-13 23:19:47,491 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [683692563] [2019-10-13 23:19:47,516 INFO L162 IcfgInterpreter]: Started Sifa with 19 locations of interest [2019-10-13 23:19:47,517 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:19:47,523 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:19:47,530 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:19:47,531 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:19:47,746 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-13 23:19:51,627 INFO L199 IcfgInterpreter]: Interpreting procedure avg with input of size 1 for LOIs [2019-10-13 23:19:51,707 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 13 for LOIs [2019-10-13 23:19:51,736 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 23:19:51,737 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 23:19:51,737 INFO L193 IcfgInterpreter]: Reachable states at location L11-3 satisfy 593#(<= 0 avg_~i~0) [2019-10-13 23:19:51,737 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 602#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~N~0 |old(~N~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 23:19:51,738 INFO L193 IcfgInterpreter]: Reachable states at location L36-1 satisfy 397#true [2019-10-13 23:19:51,739 INFO L193 IcfgInterpreter]: Reachable states at location L36 satisfy 477#(and (= (select (select |#memory_int| |main_~#x~0.base|) (+ (* ~N~0 4) |main_~#x~0.offset| (- 4))) main_~temp~0) (not (< (+ main_~i~1 1) ~N~0))) [2019-10-13 23:19:51,740 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 200#(or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) [2019-10-13 23:19:51,747 INFO L193 IcfgInterpreter]: Reachable states at location L27-1 satisfy 90#(or (exists ((v_avg_~ret~0_BEFORE_RETURN_2 Int) (v_prenex_2 Int)) (or (and (not (= (mod v_prenex_2 ~N~0) 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (+ (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) (- 4294967296)) |main_#t~ret3|) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (< v_prenex_2 0) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= (mod v_prenex_2 ~N~0) 0) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= (+ (mod (div v_prenex_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (not (< v_avg_~ret~0_BEFORE_RETURN_2 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) |main_#t~ret3|) (= 0 |old(~N~0)|) (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= |main_#t~ret3| (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296)) (not (= (mod v_prenex_2 ~N~0) 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (< v_prenex_2 0) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (not (= (mod v_prenex_2 ~N~0) 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) |main_#t~ret3|) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (= 0 |old(~N~0)|) (< v_prenex_2 0) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= |main_#t~ret3| (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296)) (not (= (mod v_prenex_2 ~N~0) 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (= 0 |old(~N~0)|) (< v_prenex_2 0) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (not (< v_prenex_2 0)) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= (+ (mod (div v_prenex_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (not (< v_avg_~ret~0_BEFORE_RETURN_2 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) |main_#t~ret3|) (= 0 |old(~N~0)|) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (not (< v_avg_~ret~0_BEFORE_RETURN_2 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) |main_#t~ret3|) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (not (= (mod v_prenex_2 ~N~0) 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) |main_#t~ret3|) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (< v_prenex_2 0) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= (mod v_prenex_2 ~N~0) 0) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (= (mod (div v_prenex_2 ~N~0) 4294967296) |main_#t~ret3|) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= (mod v_prenex_2 ~N~0) 0) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (= (mod (div v_prenex_2 ~N~0) 4294967296) |main_#t~ret3|) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 |old(~N~0)|) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (= (mod (div v_prenex_2 ~N~0) 4294967296) |main_#t~ret3|) (not (< v_prenex_2 0)) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 |old(~N~0)|) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= (mod v_prenex_2 ~N~0) 0) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= (+ (mod (div v_prenex_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0)) (<= 0 |#NULL.base|) (< 1 ~N~0) (= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) |main_#t~ret3|) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (< v_avg_~ret~0_BEFORE_RETURN_2 0) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (< v_avg_~ret~0_BEFORE_RETURN_2 0) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= (+ (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) (- 4294967296)) |main_#t~ret3|) (= 0 |old(~N~0)|) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) |main_#t~ret3|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= (mod v_prenex_2 ~N~0) 0) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= (+ (mod (div v_prenex_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (not (= (mod v_prenex_2 ~N~0) 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (+ (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) (- 4294967296)) |main_#t~ret3|) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (< v_prenex_2 0) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= |main_#t~ret3| (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296)) (not (= (mod v_prenex_2 ~N~0) 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 |old(~N~0)|) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (< v_prenex_2 0) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= |main_#t~ret3| (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296)) (not (= (mod v_prenex_2 ~N~0) 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 |old(~N~0)|) (< v_prenex_2 0) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (not (< v_avg_~ret~0_BEFORE_RETURN_2 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (= (mod (div v_prenex_2 ~N~0) 4294967296) |main_#t~ret3|) (not (< v_prenex_2 0)) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (not (< v_avg_~ret~0_BEFORE_RETURN_2 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (not (< v_avg_~ret~0_BEFORE_RETURN_2 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (not (< v_prenex_2 0)) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= (+ (mod (div v_prenex_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) |main_#t~ret3|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |main_#t~ret3| (+ (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) (- 4294967296))) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (< v_avg_~ret~0_BEFORE_RETURN_2 0) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (not (< v_prenex_2 0)) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= (+ (mod (div v_prenex_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0)) (<= 0 |#NULL.base|) (< 1 ~N~0) (= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) |main_#t~ret3|) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (< v_avg_~ret~0_BEFORE_RETURN_2 0) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) |main_#t~ret3|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (< v_avg_~ret~0_BEFORE_RETURN_2 0) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= (+ (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) (- 4294967296)) |main_#t~ret3|) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= (+ (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |main_#t~ret3| (+ (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) (- 4294967296))) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (< v_avg_~ret~0_BEFORE_RETURN_2 0) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (= (mod (div v_prenex_2 ~N~0) 4294967296) |main_#t~ret3|) (not (< v_prenex_2 0)) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 |old(~N~0)|) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= (mod v_prenex_2 ~N~0) 0) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (= (mod (div v_prenex_2 ~N~0) 4294967296) |main_#t~ret3|) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (not (< v_avg_~ret~0_BEFORE_RETURN_2 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) |main_#t~ret3|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |main_#t~ret3| (+ (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) (- 4294967296))) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (< v_avg_~ret~0_BEFORE_RETURN_2 0) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647)) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (not (< v_prenex_2 0)) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= (+ (mod (div v_prenex_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (= (mod v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 0)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |main_#t~ret3| (+ (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) (- 4294967296))) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (< v_avg_~ret~0_BEFORE_RETURN_2 0) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (= (mod (div v_prenex_2 ~N~0) 4294967296) |main_#t~ret3|) (not (< v_prenex_2 0)) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= (mod v_prenex_2 ~N~0) 0) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (not (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647)) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= (+ (mod (div v_prenex_2 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (not (< v_avg_~ret~0_BEFORE_RETURN_2 0)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967295) 4294967296) 2147483647)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) 2147483647) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= (mod (div v_avg_~ret~0_BEFORE_RETURN_2 ~N~0) 4294967296) |main_#t~ret3|) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (not (<= (mod (+ (div v_prenex_2 ~N~0) 1) 4294967296) 2147483647)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= (mod v_prenex_2 ~N~0) 0) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (<= (mod (+ (div v_prenex_2 ~N~0) 4294967295) 4294967296) 2147483647) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (= (mod (div v_prenex_2 ~N~0) 4294967296) |main_#t~ret3|) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= (mod (div v_prenex_2 ~N~0) 4294967296) 2147483647) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)))) (exists ((v_avg_~ret~0_BEFORE_RETURN_1 Int) (v_prenex_1 Int)) (or (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (< v_avg_~ret~0_BEFORE_RETURN_1 0) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 ~N~0) 1) 4294967296) 2147483647) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_1 ~N~0))) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 ~N~0) 1) 4294967296) |main_#t~ret3|) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (< v_avg_~ret~0_BEFORE_RETURN_1 0) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_1 ~N~0))) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (= (+ (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 ~N~0) 4294967295) 4294967296) (- 4294967296)) |main_#t~ret3|) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 ~N~0) 4294967295) 4294967296) 2147483647)) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (<= ~N~0 2147483647) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= 0 |#NULL.base|) (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647) (< 1 ~N~0) (= |main_#t~ret3| (mod (div v_prenex_1 ~N~0) 4294967296)) (< ~N~0 0) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= 0 (mod v_prenex_1 ~N~0)) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= 0 (mod v_prenex_1 ~N~0)) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (not (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647)) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (< v_prenex_1 0)) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0) (= (+ (mod (div v_prenex_1 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|)) (and (= 0 |#NULL.base|) (<= ~N~0 2147483647) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= 0 |#NULL.base|) (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647) (< 1 ~N~0) (= |main_#t~ret3| (mod (div v_prenex_1 ~N~0) 4294967296)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= 0 (mod v_prenex_1 ~N~0)) (= |#memory_int| |old(#memory_int)|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (<= ~N~0 2147483647) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= |#NULL.base| 0) (not (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647)) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= 0 |#NULL.base|) (< 1 ~N~0) (< ~N~0 0) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= 0 (mod v_prenex_1 ~N~0)) (= |#memory_int| |old(#memory_int)|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0) (= (+ (mod (div v_prenex_1 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= 0 (mod v_prenex_1 ~N~0)) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (not (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647)) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (< v_prenex_1 0)) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0) (= (+ (mod (div v_prenex_1 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 ~N~0) 4294967295) 4294967296) 2147483647) (< v_avg_~ret~0_BEFORE_RETURN_1 0) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_1 ~N~0))) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 ~N~0) 4294967295) 4294967296) |main_#t~ret3|) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647) (< 1 ~N~0) (= |main_#t~ret3| (mod (div v_prenex_1 ~N~0) 4294967296)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= 0 (mod v_prenex_1 ~N~0)) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (< v_prenex_1 0)) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (<= ~N~0 2147483647) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647) (<= 0 |#NULL.base|) (< 1 ~N~0) (= |main_#t~ret3| (mod (div v_prenex_1 ~N~0) 4294967296)) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (< v_prenex_1 0)) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (<= ~N~0 2147483647) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= 0 |#NULL.base|) (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647) (< 1 ~N~0) (= |main_#t~ret3| (mod (div v_prenex_1 ~N~0) 4294967296)) (< ~N~0 0) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (< v_prenex_1 0)) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (<= ~N~0 2147483647) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= |#NULL.base| 0) (not (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647)) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (< v_prenex_1 0)) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0) (= (+ (mod (div v_prenex_1 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|)) (and (= 0 |#NULL.base|) (<= ~N~0 2147483647) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= |#NULL.base| 0) (not (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647)) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= 0 |#NULL.base|) (< 1 ~N~0) (< ~N~0 0) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (< v_prenex_1 0)) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0) (= (+ (mod (div v_prenex_1 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|)) (and (not (<= (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 ~N~0) 1) 4294967296) 2147483647)) (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (< v_avg_~ret~0_BEFORE_RETURN_1 0) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= 0 (mod v_avg_~ret~0_BEFORE_RETURN_1 ~N~0))) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (= (+ (mod (+ (div v_avg_~ret~0_BEFORE_RETURN_1 ~N~0) 1) 4294967296) (- 4294967296)) |main_#t~ret3|) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= 0 |#NULL.base|) (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647) (< 1 ~N~0) (= |main_#t~ret3| (mod (div v_prenex_1 ~N~0) 4294967296)) (<= 0 |#NULL.offset|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= 0 (mod v_prenex_1 ~N~0)) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= ~N~0 2147483647) (<= |#NULL.base| 0) (= (select |old(#valid)| |main_~#x~0.base|) 0) (< ~N~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (not (< v_prenex_1 0)) (= |#memory_int| |old(#memory_int)|) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (<= ~N~0 2147483647) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (<= |#NULL.base| 0) (not (<= (mod (div v_prenex_1 ~N~0) 4294967296) 2147483647)) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= 0 (mod v_prenex_1 ~N~0)) (= |#memory_int| |old(#memory_int)|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= 0 |old(~N~0)|) (not (< ~N~0 0)) (= |#NULL.offset| 0) (= (+ (mod (div v_prenex_1 ~N~0) 4294967296) (- 4294967296)) |main_#t~ret3|))))) [2019-10-13 23:19:51,759 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 ~N~0) (= 0 |#NULL.base|) (<= 0 ~N~0) (<= |#NULL.base| 0) (<= ~N~0 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 23:19:51,759 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= ~N~0 0) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (<= 0 ~N~0) (= |#valid| |old(#valid)|) (= ~N~0 |old(~N~0)|) (= |#memory_int| |old(#memory_int)|) (<= |old(~N~0)| 0) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|)) [2019-10-13 23:19:51,761 INFO L193 IcfgInterpreter]: Reachable states at location L27 satisfy 43#(and (<= ~N~0 2147483647) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| (store |old(#valid)| |main_~#x~0.base| 1)) (= (select |old(#valid)| |main_~#x~0.base|) 0) (<= 0 |#NULL.base|) (< 1 ~N~0) (<= 0 |main_~#x~0.offset|) (<= |main_~#x~0.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (= |#length| (store |old(#length)| |main_~#x~0.base| (* ~N~0 4))) (<= 0 (+ ~N~0 2147483648)) (<= 1 ~N~0) (not (= |main_~#x~0.base| 0)) (< |main_~#x~0.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |main_~#x~0.offset| 0) (<= |old(~N~0)| 0) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0)) [2019-10-13 23:19:51,762 INFO L193 IcfgInterpreter]: Reachable states at location L38 satisfy 345#true [2019-10-13 23:19:51,763 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 607#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 ~N~0) (= 0 |#NULL.base|) (<= 0 ~N~0) (<= |#NULL.base| 0) (<= ~N~0 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 23:19:51,763 INFO L193 IcfgInterpreter]: Reachable states at location avgEXIT satisfy 598#(and (<= 0 avg_~i~0) (not (< avg_~i~0 ~N~0)) (= (ite (<= (mod (ite (and (not (= 0 (mod avg_~ret~0 ~N~0))) (< avg_~ret~0 0)) (ite (< ~N~0 0) (+ (div avg_~ret~0 ~N~0) (- 1)) (+ (div avg_~ret~0 ~N~0) 1)) (div avg_~ret~0 ~N~0)) 4294967296) 2147483647) (mod (ite (and (not (= 0 (mod avg_~ret~0 ~N~0))) (< avg_~ret~0 0)) (ite (< ~N~0 0) (+ (div avg_~ret~0 ~N~0) (- 1)) (+ (div avg_~ret~0 ~N~0) 1)) (div avg_~ret~0 ~N~0)) 4294967296) (+ (mod (ite (and (not (= 0 (mod avg_~ret~0 ~N~0))) (< avg_~ret~0 0)) (ite (< ~N~0 0) (+ (div avg_~ret~0 ~N~0) (- 1)) (+ (div avg_~ret~0 ~N~0) 1)) (div avg_~ret~0 ~N~0)) 4294967296) (- 4294967296))) |avg_#res|)) [2019-10-13 23:19:51,763 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 23:19:51,764 INFO L193 IcfgInterpreter]: Reachable states at location L39 satisfy 275#(or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) [2019-10-13 23:19:51,765 INFO L193 IcfgInterpreter]: Reachable states at location L30-1 satisfy 541#true [2019-10-13 23:19:51,765 INFO L193 IcfgInterpreter]: Reachable states at location L32-3 satisfy 518#true [2019-10-13 23:19:51,765 INFO L193 IcfgInterpreter]: Reachable states at location avgENTRY satisfy 555#true [2019-10-13 23:19:51,765 INFO L193 IcfgInterpreter]: Reachable states at location L30 satisfy 546#true [2019-10-13 23:19:51,766 INFO L193 IcfgInterpreter]: Reachable states at location L20 satisfy 38#(and (<= ~N~0 2147483647) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 |old(~N~0)|) (<= 0 (+ ~N~0 2147483648)) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (<= |old(~N~0)| 0) (<= 0 |old(~N~0)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|)) [2019-10-13 23:19:52,323 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-10-13 23:19:53,107 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 97 [2019-10-13 23:19:53,140 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-10-13 23:19:53,140 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 12] total 19 [2019-10-13 23:19:53,141 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515366076] [2019-10-13 23:19:53,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-13 23:19:53,143 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:19:53,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-13 23:19:53,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2019-10-13 23:19:53,145 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 19 states. [2019-10-13 23:19:54,423 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2019-10-13 23:19:54,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:19:54,619 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2019-10-13 23:19:54,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 23:19:54,620 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 27 [2019-10-13 23:19:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:19:54,621 INFO L225 Difference]: With dead ends: 34 [2019-10-13 23:19:54,621 INFO L226 Difference]: Without dead ends: 21 [2019-10-13 23:19:54,624 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 62 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=120, Invalid=582, Unknown=0, NotChecked=0, Total=702 [2019-10-13 23:19:54,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-13 23:19:54,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-13 23:19:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-13 23:19:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2019-10-13 23:19:54,630 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 27 [2019-10-13 23:19:54,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:19:54,630 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2019-10-13 23:19:54,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-13 23:19:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2019-10-13 23:19:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-13 23:19:54,632 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:19:54,632 INFO L380 BasicCegarLoop]: trace histogram [6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:19:54,835 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:19:54,836 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:19:54,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:19:54,836 INFO L82 PathProgramCache]: Analyzing trace with hash -680911815, now seen corresponding path program 2 times [2019-10-13 23:19:54,837 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:19:54,837 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414198430] [2019-10-13 23:19:54,838 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:54,838 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:54,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:19:54,854 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:19:54,854 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622022399] [2019-10-13 23:19:54,854 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2019-10-13 23:19:54,925 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-10-13 23:19:54,925 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 23:19:54,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:19:54,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:19:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:19:54,940 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:19:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-13 23:19:54,959 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414198430] [2019-10-13 23:19:54,960 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-10-13 23:19:54,960 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622022399] [2019-10-13 23:19:54,960 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:19:54,960 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2019-10-13 23:19:54,960 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036900511] [2019-10-13 23:19:54,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:19:54,961 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:19:54,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:19:54,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:19:54,962 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand 5 states. [2019-10-13 23:19:55,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:19:55,035 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2019-10-13 23:19:55,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:19:55,035 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-10-13 23:19:55,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:19:55,036 INFO L225 Difference]: With dead ends: 32 [2019-10-13 23:19:55,036 INFO L226 Difference]: Without dead ends: 22 [2019-10-13 23:19:55,037 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:19:55,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-13 23:19:55,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-10-13 23:19:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-13 23:19:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2019-10-13 23:19:55,042 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 30 [2019-10-13 23:19:55,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:19:55,044 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-10-13 23:19:55,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:19:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2019-10-13 23:19:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-13 23:19:55,045 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:19:55,045 INFO L380 BasicCegarLoop]: trace histogram [6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:19:55,248 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:19:55,249 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:19:55,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:19:55,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1112153217, now seen corresponding path program 1 times [2019-10-13 23:19:55,250 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:19:55,250 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708623427] [2019-10-13 23:19:55,250 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:55,251 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:19:55,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:19:55,265 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-10-13 23:19:55,265 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1756777831] [2019-10-13 23:19:55,265 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 [2019-10-13 23:19:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:19:55,367 WARN L254 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 88 conjunts are in the unsatisfiable core [2019-10-13 23:19:55,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:19:55,773 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 55 [2019-10-13 23:19:56,112 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-10-13 23:19:57,322 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2019-10-13 23:19:57,578 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-10-13 23:19:59,865 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2019-10-13 23:20:00,269 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-10-13 23:20:04,631 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 122 DAG size of output: 62 [2019-10-13 23:20:07,284 WARN L191 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 62 [2019-10-13 23:20:07,845 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-13 23:20:08,488 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-10-13 23:20:14,974 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 0 (+ (* v_prenex_1221 4) (- 4)))