java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/reducercommutativity/avg20_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 10:21:13,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 10:21:13,034 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 10:21:13,052 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 10:21:13,052 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 10:21:13,054 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 10:21:13,055 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 10:21:13,060 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 10:21:13,062 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 10:21:13,063 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 10:21:13,073 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 10:21:13,073 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 10:21:13,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 10:21:13,075 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 10:21:13,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 10:21:13,079 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 10:21:13,080 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 10:21:13,082 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 10:21:13,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 10:21:13,085 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 10:21:13,086 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 10:21:13,087 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 10:21:13,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 10:21:13,096 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 10:21:13,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 10:21:13,097 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 10:21:13,098 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 10:21:13,098 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 10:21:13,114 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 10:21:13,114 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 10:21:13,115 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 10:21:13,115 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 10:21:13,116 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 10:21:13,116 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 10:21:13,116 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 10:21:13,116 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 10:21:13,117 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 10:21:13,117 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 10:21:13,117 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 10:21:13,117 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 10:21:13,117 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 10:21:13,118 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 10:21:13,118 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 10:21:13,118 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 10:21:13,118 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 10:21:13,118 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 10:21:13,118 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 10:21:13,119 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 10:21:13,119 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 10:21:13,119 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 10:21:13,119 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 10:21:13,119 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 10:21:13,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 10:21:13,120 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 10:21:13,120 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 10:21:13,120 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 10:21:13,120 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 10:21:13,121 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 10:21:13,121 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 10:21:13,121 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 10:21:13,121 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 10:21:13,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 10:21:13,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 10:21:13,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 10:21:13,207 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 10:21:13,207 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 10:21:13,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg20_true-unreach-call.i [2018-11-23 10:21:13,281 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf553ee9/5487ed8e85ac4eadba8b8fd32ee9d803/FLAG3597e3ed1 [2018-11-23 10:21:13,778 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 10:21:13,779 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg20_true-unreach-call.i [2018-11-23 10:21:13,788 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf553ee9/5487ed8e85ac4eadba8b8fd32ee9d803/FLAG3597e3ed1 [2018-11-23 10:21:14,094 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf553ee9/5487ed8e85ac4eadba8b8fd32ee9d803 [2018-11-23 10:21:14,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 10:21:14,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 10:21:14,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 10:21:14,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 10:21:14,114 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 10:21:14,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:21:14" (1/1) ... [2018-11-23 10:21:14,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6538d414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14, skipping insertion in model container [2018-11-23 10:21:14,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:21:14" (1/1) ... [2018-11-23 10:21:14,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 10:21:14,157 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 10:21:14,426 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:21:14,442 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 10:21:14,487 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:21:14,514 INFO L195 MainTranslator]: Completed translation [2018-11-23 10:21:14,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14 WrapperNode [2018-11-23 10:21:14,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 10:21:14,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 10:21:14,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 10:21:14,516 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 10:21:14,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14" (1/1) ... [2018-11-23 10:21:14,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14" (1/1) ... [2018-11-23 10:21:14,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 10:21:14,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 10:21:14,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 10:21:14,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 10:21:14,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14" (1/1) ... [2018-11-23 10:21:14,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14" (1/1) ... [2018-11-23 10:21:14,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14" (1/1) ... [2018-11-23 10:21:14,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14" (1/1) ... [2018-11-23 10:21:14,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14" (1/1) ... [2018-11-23 10:21:14,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14" (1/1) ... [2018-11-23 10:21:14,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14" (1/1) ... [2018-11-23 10:21:14,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 10:21:14,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 10:21:14,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 10:21:14,605 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 10:21:14,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14" (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 [2018-11-23 10:21:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 10:21:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 10:21:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2018-11-23 10:21:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2018-11-23 10:21:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 10:21:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 10:21:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 10:21:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 10:21:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 10:21:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 10:21:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 10:21:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 10:21:15,512 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 10:21:15,512 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-23 10:21:15,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:21:15 BoogieIcfgContainer [2018-11-23 10:21:15,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 10:21:15,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 10:21:15,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 10:21:15,518 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 10:21:15,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:21:14" (1/3) ... [2018-11-23 10:21:15,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c8cab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:21:15, skipping insertion in model container [2018-11-23 10:21:15,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:21:14" (2/3) ... [2018-11-23 10:21:15,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c8cab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:21:15, skipping insertion in model container [2018-11-23 10:21:15,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:21:15" (3/3) ... [2018-11-23 10:21:15,522 INFO L112 eAbstractionObserver]: Analyzing ICFG avg20_true-unreach-call.i [2018-11-23 10:21:15,533 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 10:21:15,542 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 10:21:15,562 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 10:21:15,596 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 10:21:15,597 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 10:21:15,598 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 10:21:15,598 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 10:21:15,598 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 10:21:15,598 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 10:21:15,599 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 10:21:15,599 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 10:21:15,599 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 10:21:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-23 10:21:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 10:21:15,634 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:15,636 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:15,639 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:15,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:15,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1283808693, now seen corresponding path program 1 times [2018-11-23 10:21:15,651 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:15,652 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:15,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:21:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:15,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:21:15,965 INFO L256 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {34#true} is VALID [2018-11-23 10:21:15,969 INFO L273 TraceCheckUtils]: 1: Hoare triple {34#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {34#true} is VALID [2018-11-23 10:21:15,970 INFO L273 TraceCheckUtils]: 2: Hoare triple {34#true} assume true; {34#true} is VALID [2018-11-23 10:21:15,970 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34#true} {34#true} #66#return; {34#true} is VALID [2018-11-23 10:21:15,971 INFO L256 TraceCheckUtils]: 4: Hoare triple {34#true} call #t~ret12 := main(); {34#true} is VALID [2018-11-23 10:21:15,971 INFO L273 TraceCheckUtils]: 5: Hoare triple {34#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {34#true} is VALID [2018-11-23 10:21:15,982 INFO L273 TraceCheckUtils]: 6: Hoare triple {34#true} assume !true; {35#false} is VALID [2018-11-23 10:21:15,982 INFO L256 TraceCheckUtils]: 7: Hoare triple {35#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {35#false} is VALID [2018-11-23 10:21:15,983 INFO L273 TraceCheckUtils]: 8: Hoare triple {35#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {35#false} is VALID [2018-11-23 10:21:15,983 INFO L273 TraceCheckUtils]: 9: Hoare triple {35#false} assume !~bvslt32(~i~0, 20bv32); {35#false} is VALID [2018-11-23 10:21:15,983 INFO L273 TraceCheckUtils]: 10: Hoare triple {35#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {35#false} is VALID [2018-11-23 10:21:15,984 INFO L273 TraceCheckUtils]: 11: Hoare triple {35#false} assume true; {35#false} is VALID [2018-11-23 10:21:15,984 INFO L268 TraceCheckUtils]: 12: Hoare quadruple {35#false} {35#false} #70#return; {35#false} is VALID [2018-11-23 10:21:15,984 INFO L273 TraceCheckUtils]: 13: Hoare triple {35#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {35#false} is VALID [2018-11-23 10:21:15,985 INFO L256 TraceCheckUtils]: 14: Hoare triple {35#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {35#false} is VALID [2018-11-23 10:21:15,985 INFO L273 TraceCheckUtils]: 15: Hoare triple {35#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {35#false} is VALID [2018-11-23 10:21:15,985 INFO L273 TraceCheckUtils]: 16: Hoare triple {35#false} assume !~bvslt32(~i~0, 20bv32); {35#false} is VALID [2018-11-23 10:21:15,986 INFO L273 TraceCheckUtils]: 17: Hoare triple {35#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {35#false} is VALID [2018-11-23 10:21:15,986 INFO L273 TraceCheckUtils]: 18: Hoare triple {35#false} assume true; {35#false} is VALID [2018-11-23 10:21:15,986 INFO L268 TraceCheckUtils]: 19: Hoare quadruple {35#false} {35#false} #72#return; {35#false} is VALID [2018-11-23 10:21:15,987 INFO L273 TraceCheckUtils]: 20: Hoare triple {35#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {35#false} is VALID [2018-11-23 10:21:15,987 INFO L273 TraceCheckUtils]: 21: Hoare triple {35#false} assume !true; {35#false} is VALID [2018-11-23 10:21:15,987 INFO L273 TraceCheckUtils]: 22: Hoare triple {35#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {35#false} is VALID [2018-11-23 10:21:15,988 INFO L256 TraceCheckUtils]: 23: Hoare triple {35#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {35#false} is VALID [2018-11-23 10:21:15,988 INFO L273 TraceCheckUtils]: 24: Hoare triple {35#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {35#false} is VALID [2018-11-23 10:21:15,988 INFO L273 TraceCheckUtils]: 25: Hoare triple {35#false} assume !~bvslt32(~i~0, 20bv32); {35#false} is VALID [2018-11-23 10:21:15,989 INFO L273 TraceCheckUtils]: 26: Hoare triple {35#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {35#false} is VALID [2018-11-23 10:21:15,989 INFO L273 TraceCheckUtils]: 27: Hoare triple {35#false} assume true; {35#false} is VALID [2018-11-23 10:21:15,989 INFO L268 TraceCheckUtils]: 28: Hoare quadruple {35#false} {35#false} #74#return; {35#false} is VALID [2018-11-23 10:21:15,990 INFO L273 TraceCheckUtils]: 29: Hoare triple {35#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {35#false} is VALID [2018-11-23 10:21:15,990 INFO L273 TraceCheckUtils]: 30: Hoare triple {35#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {35#false} is VALID [2018-11-23 10:21:15,990 INFO L273 TraceCheckUtils]: 31: Hoare triple {35#false} assume !false; {35#false} is VALID [2018-11-23 10:21:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 10:21:16,006 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:21:16,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:21:16,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 10:21:16,021 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2018-11-23 10:21:16,025 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:21:16,029 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-23 10:21:16,271 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:16,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 10:21:16,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 10:21:16,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 10:21:16,284 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-11-23 10:21:16,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:16,592 INFO L93 Difference]: Finished difference Result 54 states and 71 transitions. [2018-11-23 10:21:16,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 10:21:16,593 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2018-11-23 10:21:16,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:21:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 10:21:16,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 71 transitions. [2018-11-23 10:21:16,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 10:21:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 71 transitions. [2018-11-23 10:21:16,613 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 71 transitions. [2018-11-23 10:21:17,028 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:17,042 INFO L225 Difference]: With dead ends: 54 [2018-11-23 10:21:17,042 INFO L226 Difference]: Without dead ends: 26 [2018-11-23 10:21:17,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 10:21:17,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-23 10:21:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-11-23 10:21:17,131 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:21:17,132 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand 26 states. [2018-11-23 10:21:17,132 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2018-11-23 10:21:17,133 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2018-11-23 10:21:17,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:17,143 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2018-11-23 10:21:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-23 10:21:17,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:17,146 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:17,147 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2018-11-23 10:21:17,147 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2018-11-23 10:21:17,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:17,158 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2018-11-23 10:21:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-23 10:21:17,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:17,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:17,169 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:21:17,169 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:21:17,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-23 10:21:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2018-11-23 10:21:17,182 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 32 [2018-11-23 10:21:17,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:21:17,184 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2018-11-23 10:21:17,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 10:21:17,184 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-23 10:21:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 10:21:17,189 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:17,190 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:17,190 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:17,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:17,190 INFO L82 PathProgramCache]: Analyzing trace with hash 721846027, now seen corresponding path program 1 times [2018-11-23 10:21:17,192 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:17,192 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:17,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:21:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:18,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:21:18,486 INFO L256 TraceCheckUtils]: 0: Hoare triple {291#true} call ULTIMATE.init(); {291#true} is VALID [2018-11-23 10:21:18,486 INFO L273 TraceCheckUtils]: 1: Hoare triple {291#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {291#true} is VALID [2018-11-23 10:21:18,487 INFO L273 TraceCheckUtils]: 2: Hoare triple {291#true} assume true; {291#true} is VALID [2018-11-23 10:21:18,487 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {291#true} {291#true} #66#return; {291#true} is VALID [2018-11-23 10:21:18,487 INFO L256 TraceCheckUtils]: 4: Hoare triple {291#true} call #t~ret12 := main(); {291#true} is VALID [2018-11-23 10:21:18,507 INFO L273 TraceCheckUtils]: 5: Hoare triple {291#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {311#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-23 10:21:18,516 INFO L273 TraceCheckUtils]: 6: Hoare triple {311#(= main_~i~1 (_ bv0 32))} assume !~bvslt32(~i~1, 20bv32); {292#false} is VALID [2018-11-23 10:21:18,517 INFO L256 TraceCheckUtils]: 7: Hoare triple {292#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {292#false} is VALID [2018-11-23 10:21:18,517 INFO L273 TraceCheckUtils]: 8: Hoare triple {292#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {292#false} is VALID [2018-11-23 10:21:18,518 INFO L273 TraceCheckUtils]: 9: Hoare triple {292#false} assume !~bvslt32(~i~0, 20bv32); {292#false} is VALID [2018-11-23 10:21:18,518 INFO L273 TraceCheckUtils]: 10: Hoare triple {292#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {292#false} is VALID [2018-11-23 10:21:18,518 INFO L273 TraceCheckUtils]: 11: Hoare triple {292#false} assume true; {292#false} is VALID [2018-11-23 10:21:18,518 INFO L268 TraceCheckUtils]: 12: Hoare quadruple {292#false} {292#false} #70#return; {292#false} is VALID [2018-11-23 10:21:18,519 INFO L273 TraceCheckUtils]: 13: Hoare triple {292#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {292#false} is VALID [2018-11-23 10:21:18,519 INFO L256 TraceCheckUtils]: 14: Hoare triple {292#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {292#false} is VALID [2018-11-23 10:21:18,519 INFO L273 TraceCheckUtils]: 15: Hoare triple {292#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {292#false} is VALID [2018-11-23 10:21:18,519 INFO L273 TraceCheckUtils]: 16: Hoare triple {292#false} assume !~bvslt32(~i~0, 20bv32); {292#false} is VALID [2018-11-23 10:21:18,520 INFO L273 TraceCheckUtils]: 17: Hoare triple {292#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {292#false} is VALID [2018-11-23 10:21:18,520 INFO L273 TraceCheckUtils]: 18: Hoare triple {292#false} assume true; {292#false} is VALID [2018-11-23 10:21:18,520 INFO L268 TraceCheckUtils]: 19: Hoare quadruple {292#false} {292#false} #72#return; {292#false} is VALID [2018-11-23 10:21:18,521 INFO L273 TraceCheckUtils]: 20: Hoare triple {292#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {292#false} is VALID [2018-11-23 10:21:18,521 INFO L273 TraceCheckUtils]: 21: Hoare triple {292#false} assume !~bvslt32(~i~2, 19bv32); {292#false} is VALID [2018-11-23 10:21:18,521 INFO L273 TraceCheckUtils]: 22: Hoare triple {292#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {292#false} is VALID [2018-11-23 10:21:18,522 INFO L256 TraceCheckUtils]: 23: Hoare triple {292#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {292#false} is VALID [2018-11-23 10:21:18,522 INFO L273 TraceCheckUtils]: 24: Hoare triple {292#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {292#false} is VALID [2018-11-23 10:21:18,522 INFO L273 TraceCheckUtils]: 25: Hoare triple {292#false} assume !~bvslt32(~i~0, 20bv32); {292#false} is VALID [2018-11-23 10:21:18,523 INFO L273 TraceCheckUtils]: 26: Hoare triple {292#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {292#false} is VALID [2018-11-23 10:21:18,523 INFO L273 TraceCheckUtils]: 27: Hoare triple {292#false} assume true; {292#false} is VALID [2018-11-23 10:21:18,523 INFO L268 TraceCheckUtils]: 28: Hoare quadruple {292#false} {292#false} #74#return; {292#false} is VALID [2018-11-23 10:21:18,524 INFO L273 TraceCheckUtils]: 29: Hoare triple {292#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {292#false} is VALID [2018-11-23 10:21:18,524 INFO L273 TraceCheckUtils]: 30: Hoare triple {292#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {292#false} is VALID [2018-11-23 10:21:18,524 INFO L273 TraceCheckUtils]: 31: Hoare triple {292#false} assume !false; {292#false} is VALID [2018-11-23 10:21:18,526 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 10:21:18,527 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (3)] Exception during sending of exit command (exit): Broken pipe [2018-11-23 10:21:18,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:21:18,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:21:18,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-23 10:21:18,541 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:21:18,541 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:21:18,669 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:18,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:21:18,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:21:18,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:21:18,671 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 3 states. [2018-11-23 10:21:19,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:19,062 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2018-11-23 10:21:19,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:21:19,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-23 10:21:19,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:21:19,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:21:19,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2018-11-23 10:21:19,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:21:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2018-11-23 10:21:19,071 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 54 transitions. [2018-11-23 10:21:19,410 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:19,413 INFO L225 Difference]: With dead ends: 46 [2018-11-23 10:21:19,413 INFO L226 Difference]: Without dead ends: 28 [2018-11-23 10:21:19,415 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:21:19,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-23 10:21:19,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-11-23 10:21:19,440 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:21:19,441 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 27 states. [2018-11-23 10:21:19,441 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 27 states. [2018-11-23 10:21:19,441 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 27 states. [2018-11-23 10:21:19,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:19,445 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2018-11-23 10:21:19,445 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-11-23 10:21:19,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:19,446 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:19,447 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 28 states. [2018-11-23 10:21:19,447 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 28 states. [2018-11-23 10:21:19,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:19,451 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2018-11-23 10:21:19,452 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-11-23 10:21:19,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:19,453 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:19,453 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:21:19,453 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:21:19,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-23 10:21:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2018-11-23 10:21:19,456 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 32 [2018-11-23 10:21:19,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:21:19,457 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2018-11-23 10:21:19,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:21:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-11-23 10:21:19,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 10:21:19,458 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:19,458 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:19,459 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:19,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:19,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1487444845, now seen corresponding path program 1 times [2018-11-23 10:21:19,460 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:19,460 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:19,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:21:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:20,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:21:20,590 INFO L256 TraceCheckUtils]: 0: Hoare triple {548#true} call ULTIMATE.init(); {548#true} is VALID [2018-11-23 10:21:20,591 INFO L273 TraceCheckUtils]: 1: Hoare triple {548#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {548#true} is VALID [2018-11-23 10:21:20,591 INFO L273 TraceCheckUtils]: 2: Hoare triple {548#true} assume true; {548#true} is VALID [2018-11-23 10:21:20,591 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {548#true} {548#true} #66#return; {548#true} is VALID [2018-11-23 10:21:20,591 INFO L256 TraceCheckUtils]: 4: Hoare triple {548#true} call #t~ret12 := main(); {548#true} is VALID [2018-11-23 10:21:20,593 INFO L273 TraceCheckUtils]: 5: Hoare triple {548#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {568#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-23 10:21:20,595 INFO L273 TraceCheckUtils]: 6: Hoare triple {568#(= main_~i~1 (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {568#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-23 10:21:20,596 INFO L273 TraceCheckUtils]: 7: Hoare triple {568#(= main_~i~1 (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {575#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:20,597 INFO L273 TraceCheckUtils]: 8: Hoare triple {575#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} assume !~bvslt32(~i~1, 20bv32); {549#false} is VALID [2018-11-23 10:21:20,597 INFO L256 TraceCheckUtils]: 9: Hoare triple {549#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {549#false} is VALID [2018-11-23 10:21:20,597 INFO L273 TraceCheckUtils]: 10: Hoare triple {549#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {549#false} is VALID [2018-11-23 10:21:20,598 INFO L273 TraceCheckUtils]: 11: Hoare triple {549#false} assume !~bvslt32(~i~0, 20bv32); {549#false} is VALID [2018-11-23 10:21:20,598 INFO L273 TraceCheckUtils]: 12: Hoare triple {549#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {549#false} is VALID [2018-11-23 10:21:20,598 INFO L273 TraceCheckUtils]: 13: Hoare triple {549#false} assume true; {549#false} is VALID [2018-11-23 10:21:20,599 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {549#false} {549#false} #70#return; {549#false} is VALID [2018-11-23 10:21:20,599 INFO L273 TraceCheckUtils]: 15: Hoare triple {549#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {549#false} is VALID [2018-11-23 10:21:20,599 INFO L256 TraceCheckUtils]: 16: Hoare triple {549#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {549#false} is VALID [2018-11-23 10:21:20,600 INFO L273 TraceCheckUtils]: 17: Hoare triple {549#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {549#false} is VALID [2018-11-23 10:21:20,600 INFO L273 TraceCheckUtils]: 18: Hoare triple {549#false} assume !~bvslt32(~i~0, 20bv32); {549#false} is VALID [2018-11-23 10:21:20,600 INFO L273 TraceCheckUtils]: 19: Hoare triple {549#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {549#false} is VALID [2018-11-23 10:21:20,600 INFO L273 TraceCheckUtils]: 20: Hoare triple {549#false} assume true; {549#false} is VALID [2018-11-23 10:21:20,601 INFO L268 TraceCheckUtils]: 21: Hoare quadruple {549#false} {549#false} #72#return; {549#false} is VALID [2018-11-23 10:21:20,601 INFO L273 TraceCheckUtils]: 22: Hoare triple {549#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {549#false} is VALID [2018-11-23 10:21:20,601 INFO L273 TraceCheckUtils]: 23: Hoare triple {549#false} assume !~bvslt32(~i~2, 19bv32); {549#false} is VALID [2018-11-23 10:21:20,602 INFO L273 TraceCheckUtils]: 24: Hoare triple {549#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {549#false} is VALID [2018-11-23 10:21:20,602 INFO L256 TraceCheckUtils]: 25: Hoare triple {549#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {549#false} is VALID [2018-11-23 10:21:20,602 INFO L273 TraceCheckUtils]: 26: Hoare triple {549#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {549#false} is VALID [2018-11-23 10:21:20,603 INFO L273 TraceCheckUtils]: 27: Hoare triple {549#false} assume !~bvslt32(~i~0, 20bv32); {549#false} is VALID [2018-11-23 10:21:20,603 INFO L273 TraceCheckUtils]: 28: Hoare triple {549#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {549#false} is VALID [2018-11-23 10:21:20,603 INFO L273 TraceCheckUtils]: 29: Hoare triple {549#false} assume true; {549#false} is VALID [2018-11-23 10:21:20,604 INFO L268 TraceCheckUtils]: 30: Hoare quadruple {549#false} {549#false} #74#return; {549#false} is VALID [2018-11-23 10:21:20,604 INFO L273 TraceCheckUtils]: 31: Hoare triple {549#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {549#false} is VALID [2018-11-23 10:21:20,604 INFO L273 TraceCheckUtils]: 32: Hoare triple {549#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {549#false} is VALID [2018-11-23 10:21:20,605 INFO L273 TraceCheckUtils]: 33: Hoare triple {549#false} assume !false; {549#false} is VALID [2018-11-23 10:21:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 10:21:20,607 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:21:21,153 INFO L273 TraceCheckUtils]: 33: Hoare triple {549#false} assume !false; {549#false} is VALID [2018-11-23 10:21:21,154 INFO L273 TraceCheckUtils]: 32: Hoare triple {549#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {549#false} is VALID [2018-11-23 10:21:21,154 INFO L273 TraceCheckUtils]: 31: Hoare triple {549#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {549#false} is VALID [2018-11-23 10:21:21,154 INFO L268 TraceCheckUtils]: 30: Hoare quadruple {548#true} {549#false} #74#return; {549#false} is VALID [2018-11-23 10:21:21,155 INFO L273 TraceCheckUtils]: 29: Hoare triple {548#true} assume true; {548#true} is VALID [2018-11-23 10:21:21,155 INFO L273 TraceCheckUtils]: 28: Hoare triple {548#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {548#true} is VALID [2018-11-23 10:21:21,155 INFO L273 TraceCheckUtils]: 27: Hoare triple {548#true} assume !~bvslt32(~i~0, 20bv32); {548#true} is VALID [2018-11-23 10:21:21,156 INFO L273 TraceCheckUtils]: 26: Hoare triple {548#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {548#true} is VALID [2018-11-23 10:21:21,157 INFO L256 TraceCheckUtils]: 25: Hoare triple {549#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {548#true} is VALID [2018-11-23 10:21:21,157 INFO L273 TraceCheckUtils]: 24: Hoare triple {549#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {549#false} is VALID [2018-11-23 10:21:21,157 INFO L273 TraceCheckUtils]: 23: Hoare triple {549#false} assume !~bvslt32(~i~2, 19bv32); {549#false} is VALID [2018-11-23 10:21:21,158 INFO L273 TraceCheckUtils]: 22: Hoare triple {549#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {549#false} is VALID [2018-11-23 10:21:21,158 INFO L268 TraceCheckUtils]: 21: Hoare quadruple {548#true} {549#false} #72#return; {549#false} is VALID [2018-11-23 10:21:21,158 INFO L273 TraceCheckUtils]: 20: Hoare triple {548#true} assume true; {548#true} is VALID [2018-11-23 10:21:21,159 INFO L273 TraceCheckUtils]: 19: Hoare triple {548#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {548#true} is VALID [2018-11-23 10:21:21,159 INFO L273 TraceCheckUtils]: 18: Hoare triple {548#true} assume !~bvslt32(~i~0, 20bv32); {548#true} is VALID [2018-11-23 10:21:21,159 INFO L273 TraceCheckUtils]: 17: Hoare triple {548#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {548#true} is VALID [2018-11-23 10:21:21,160 INFO L256 TraceCheckUtils]: 16: Hoare triple {549#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {548#true} is VALID [2018-11-23 10:21:21,160 INFO L273 TraceCheckUtils]: 15: Hoare triple {549#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {549#false} is VALID [2018-11-23 10:21:21,160 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {548#true} {549#false} #70#return; {549#false} is VALID [2018-11-23 10:21:21,160 INFO L273 TraceCheckUtils]: 13: Hoare triple {548#true} assume true; {548#true} is VALID [2018-11-23 10:21:21,161 INFO L273 TraceCheckUtils]: 12: Hoare triple {548#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {548#true} is VALID [2018-11-23 10:21:21,161 INFO L273 TraceCheckUtils]: 11: Hoare triple {548#true} assume !~bvslt32(~i~0, 20bv32); {548#true} is VALID [2018-11-23 10:21:21,161 INFO L273 TraceCheckUtils]: 10: Hoare triple {548#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {548#true} is VALID [2018-11-23 10:21:21,162 INFO L256 TraceCheckUtils]: 9: Hoare triple {549#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {548#true} is VALID [2018-11-23 10:21:21,164 INFO L273 TraceCheckUtils]: 8: Hoare triple {729#(bvslt main_~i~1 (_ bv20 32))} assume !~bvslt32(~i~1, 20bv32); {549#false} is VALID [2018-11-23 10:21:21,166 INFO L273 TraceCheckUtils]: 7: Hoare triple {733#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {729#(bvslt main_~i~1 (_ bv20 32))} is VALID [2018-11-23 10:21:21,166 INFO L273 TraceCheckUtils]: 6: Hoare triple {733#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {733#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:21,182 INFO L273 TraceCheckUtils]: 5: Hoare triple {548#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {733#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:21,182 INFO L256 TraceCheckUtils]: 4: Hoare triple {548#true} call #t~ret12 := main(); {548#true} is VALID [2018-11-23 10:21:21,182 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {548#true} {548#true} #66#return; {548#true} is VALID [2018-11-23 10:21:21,183 INFO L273 TraceCheckUtils]: 2: Hoare triple {548#true} assume true; {548#true} is VALID [2018-11-23 10:21:21,183 INFO L273 TraceCheckUtils]: 1: Hoare triple {548#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {548#true} is VALID [2018-11-23 10:21:21,183 INFO L256 TraceCheckUtils]: 0: Hoare triple {548#true} call ULTIMATE.init(); {548#true} is VALID [2018-11-23 10:21:21,185 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 10:21:21,191 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 10:21:21,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-23 10:21:21,191 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-11-23 10:21:21,193 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:21:21,193 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 10:21:21,428 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:21,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 10:21:21,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 10:21:21,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-23 10:21:21,429 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 6 states. [2018-11-23 10:21:22,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:22,184 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2018-11-23 10:21:22,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 10:21:22,185 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-11-23 10:21:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:21:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:21:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2018-11-23 10:21:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:21:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2018-11-23 10:21:22,192 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 61 transitions. [2018-11-23 10:21:22,476 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:22,478 INFO L225 Difference]: With dead ends: 51 [2018-11-23 10:21:22,478 INFO L226 Difference]: Without dead ends: 33 [2018-11-23 10:21:22,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-23 10:21:22,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-23 10:21:22,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-23 10:21:22,494 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:21:22,494 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2018-11-23 10:21:22,494 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2018-11-23 10:21:22,495 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2018-11-23 10:21:22,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:22,498 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2018-11-23 10:21:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2018-11-23 10:21:22,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:22,499 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:22,499 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2018-11-23 10:21:22,500 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2018-11-23 10:21:22,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:22,503 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2018-11-23 10:21:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2018-11-23 10:21:22,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:22,504 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:22,504 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:21:22,504 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:21:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-23 10:21:22,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2018-11-23 10:21:22,507 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 34 [2018-11-23 10:21:22,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:21:22,507 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2018-11-23 10:21:22,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 10:21:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2018-11-23 10:21:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 10:21:22,509 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:22,510 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:22,510 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:22,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:22,510 INFO L82 PathProgramCache]: Analyzing trace with hash 495848851, now seen corresponding path program 2 times [2018-11-23 10:21:22,511 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:22,511 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:22,533 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-23 10:21:22,765 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-23 10:21:22,765 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 10:21:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:22,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:21:22,892 INFO L256 TraceCheckUtils]: 0: Hoare triple {945#true} call ULTIMATE.init(); {945#true} is VALID [2018-11-23 10:21:22,892 INFO L273 TraceCheckUtils]: 1: Hoare triple {945#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {945#true} is VALID [2018-11-23 10:21:22,892 INFO L273 TraceCheckUtils]: 2: Hoare triple {945#true} assume true; {945#true} is VALID [2018-11-23 10:21:22,893 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {945#true} {945#true} #66#return; {945#true} is VALID [2018-11-23 10:21:22,893 INFO L256 TraceCheckUtils]: 4: Hoare triple {945#true} call #t~ret12 := main(); {945#true} is VALID [2018-11-23 10:21:22,893 INFO L273 TraceCheckUtils]: 5: Hoare triple {945#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {945#true} is VALID [2018-11-23 10:21:22,894 INFO L273 TraceCheckUtils]: 6: Hoare triple {945#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {945#true} is VALID [2018-11-23 10:21:22,894 INFO L273 TraceCheckUtils]: 7: Hoare triple {945#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {945#true} is VALID [2018-11-23 10:21:22,894 INFO L273 TraceCheckUtils]: 8: Hoare triple {945#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {945#true} is VALID [2018-11-23 10:21:22,895 INFO L273 TraceCheckUtils]: 9: Hoare triple {945#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {945#true} is VALID [2018-11-23 10:21:22,895 INFO L273 TraceCheckUtils]: 10: Hoare triple {945#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {945#true} is VALID [2018-11-23 10:21:22,895 INFO L273 TraceCheckUtils]: 11: Hoare triple {945#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {945#true} is VALID [2018-11-23 10:21:22,895 INFO L273 TraceCheckUtils]: 12: Hoare triple {945#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {945#true} is VALID [2018-11-23 10:21:22,895 INFO L273 TraceCheckUtils]: 13: Hoare triple {945#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {945#true} is VALID [2018-11-23 10:21:22,896 INFO L273 TraceCheckUtils]: 14: Hoare triple {945#true} assume !~bvslt32(~i~1, 20bv32); {945#true} is VALID [2018-11-23 10:21:22,896 INFO L256 TraceCheckUtils]: 15: Hoare triple {945#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {945#true} is VALID [2018-11-23 10:21:22,896 INFO L273 TraceCheckUtils]: 16: Hoare triple {945#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {945#true} is VALID [2018-11-23 10:21:22,897 INFO L273 TraceCheckUtils]: 17: Hoare triple {945#true} assume !~bvslt32(~i~0, 20bv32); {945#true} is VALID [2018-11-23 10:21:22,897 INFO L273 TraceCheckUtils]: 18: Hoare triple {945#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {945#true} is VALID [2018-11-23 10:21:22,897 INFO L273 TraceCheckUtils]: 19: Hoare triple {945#true} assume true; {945#true} is VALID [2018-11-23 10:21:22,897 INFO L268 TraceCheckUtils]: 20: Hoare quadruple {945#true} {945#true} #70#return; {945#true} is VALID [2018-11-23 10:21:22,898 INFO L273 TraceCheckUtils]: 21: Hoare triple {945#true} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {945#true} is VALID [2018-11-23 10:21:22,898 INFO L256 TraceCheckUtils]: 22: Hoare triple {945#true} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {945#true} is VALID [2018-11-23 10:21:22,898 INFO L273 TraceCheckUtils]: 23: Hoare triple {945#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {945#true} is VALID [2018-11-23 10:21:22,899 INFO L273 TraceCheckUtils]: 24: Hoare triple {945#true} assume !~bvslt32(~i~0, 20bv32); {945#true} is VALID [2018-11-23 10:21:22,899 INFO L273 TraceCheckUtils]: 25: Hoare triple {945#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {945#true} is VALID [2018-11-23 10:21:22,899 INFO L273 TraceCheckUtils]: 26: Hoare triple {945#true} assume true; {945#true} is VALID [2018-11-23 10:21:22,899 INFO L268 TraceCheckUtils]: 27: Hoare quadruple {945#true} {945#true} #72#return; {945#true} is VALID [2018-11-23 10:21:22,900 INFO L273 TraceCheckUtils]: 28: Hoare triple {945#true} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {945#true} is VALID [2018-11-23 10:21:22,900 INFO L273 TraceCheckUtils]: 29: Hoare triple {945#true} assume !~bvslt32(~i~2, 19bv32); {945#true} is VALID [2018-11-23 10:21:22,900 INFO L273 TraceCheckUtils]: 30: Hoare triple {945#true} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {945#true} is VALID [2018-11-23 10:21:22,900 INFO L256 TraceCheckUtils]: 31: Hoare triple {945#true} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {945#true} is VALID [2018-11-23 10:21:22,901 INFO L273 TraceCheckUtils]: 32: Hoare triple {945#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1046#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-23 10:21:22,902 INFO L273 TraceCheckUtils]: 33: Hoare triple {1046#(= (_ bv0 32) avg_~i~0)} assume !~bvslt32(~i~0, 20bv32); {946#false} is VALID [2018-11-23 10:21:22,902 INFO L273 TraceCheckUtils]: 34: Hoare triple {946#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {946#false} is VALID [2018-11-23 10:21:22,902 INFO L273 TraceCheckUtils]: 35: Hoare triple {946#false} assume true; {946#false} is VALID [2018-11-23 10:21:22,902 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {946#false} {945#true} #74#return; {946#false} is VALID [2018-11-23 10:21:22,902 INFO L273 TraceCheckUtils]: 37: Hoare triple {946#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {946#false} is VALID [2018-11-23 10:21:22,903 INFO L273 TraceCheckUtils]: 38: Hoare triple {946#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {946#false} is VALID [2018-11-23 10:21:22,903 INFO L273 TraceCheckUtils]: 39: Hoare triple {946#false} assume !false; {946#false} is VALID [2018-11-23 10:21:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 10:21:22,906 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:21:22,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:21:22,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:21:22,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-23 10:21:22,919 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:21:22,919 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:21:23,127 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:23,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:21:23,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:21:23,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:21:23,128 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 3 states. [2018-11-23 10:21:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:23,446 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2018-11-23 10:21:23,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:21:23,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-23 10:21:23,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:21:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:21:23,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2018-11-23 10:21:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:21:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2018-11-23 10:21:23,453 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 55 transitions. [2018-11-23 10:21:23,703 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:23,705 INFO L225 Difference]: With dead ends: 52 [2018-11-23 10:21:23,705 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 10:21:23,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:21:23,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 10:21:23,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2018-11-23 10:21:23,720 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:21:23,720 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 34 states. [2018-11-23 10:21:23,720 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 34 states. [2018-11-23 10:21:23,720 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 34 states. [2018-11-23 10:21:23,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:23,724 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-11-23 10:21:23,724 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-11-23 10:21:23,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:23,725 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:23,725 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 35 states. [2018-11-23 10:21:23,726 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 35 states. [2018-11-23 10:21:23,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:23,728 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-11-23 10:21:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-11-23 10:21:23,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:23,730 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:23,730 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:21:23,730 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:21:23,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 10:21:23,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2018-11-23 10:21:23,733 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 40 [2018-11-23 10:21:23,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:21:23,733 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2018-11-23 10:21:23,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:21:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-11-23 10:21:23,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 10:21:23,735 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:23,735 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:23,736 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:23,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:23,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1599341807, now seen corresponding path program 1 times [2018-11-23 10:21:23,737 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:23,737 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:23,755 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 10:21:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:24,698 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:21:24,871 INFO L256 TraceCheckUtils]: 0: Hoare triple {1260#true} call ULTIMATE.init(); {1260#true} is VALID [2018-11-23 10:21:24,871 INFO L273 TraceCheckUtils]: 1: Hoare triple {1260#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1260#true} is VALID [2018-11-23 10:21:24,872 INFO L273 TraceCheckUtils]: 2: Hoare triple {1260#true} assume true; {1260#true} is VALID [2018-11-23 10:21:24,872 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1260#true} {1260#true} #66#return; {1260#true} is VALID [2018-11-23 10:21:24,872 INFO L256 TraceCheckUtils]: 4: Hoare triple {1260#true} call #t~ret12 := main(); {1260#true} is VALID [2018-11-23 10:21:24,873 INFO L273 TraceCheckUtils]: 5: Hoare triple {1260#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {1280#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-23 10:21:24,878 INFO L273 TraceCheckUtils]: 6: Hoare triple {1280#(= main_~i~1 (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1280#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-23 10:21:24,881 INFO L273 TraceCheckUtils]: 7: Hoare triple {1280#(= main_~i~1 (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1287#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:24,881 INFO L273 TraceCheckUtils]: 8: Hoare triple {1287#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1287#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:24,882 INFO L273 TraceCheckUtils]: 9: Hoare triple {1287#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1294#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:24,883 INFO L273 TraceCheckUtils]: 10: Hoare triple {1294#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1294#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:24,884 INFO L273 TraceCheckUtils]: 11: Hoare triple {1294#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1301#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:24,885 INFO L273 TraceCheckUtils]: 12: Hoare triple {1301#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1301#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:24,885 INFO L273 TraceCheckUtils]: 13: Hoare triple {1301#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1308#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:24,886 INFO L273 TraceCheckUtils]: 14: Hoare triple {1308#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} assume !~bvslt32(~i~1, 20bv32); {1261#false} is VALID [2018-11-23 10:21:24,886 INFO L256 TraceCheckUtils]: 15: Hoare triple {1261#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {1261#false} is VALID [2018-11-23 10:21:24,886 INFO L273 TraceCheckUtils]: 16: Hoare triple {1261#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1261#false} is VALID [2018-11-23 10:21:24,887 INFO L273 TraceCheckUtils]: 17: Hoare triple {1261#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1261#false} is VALID [2018-11-23 10:21:24,887 INFO L273 TraceCheckUtils]: 18: Hoare triple {1261#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1261#false} is VALID [2018-11-23 10:21:24,888 INFO L273 TraceCheckUtils]: 19: Hoare triple {1261#false} assume !~bvslt32(~i~0, 20bv32); {1261#false} is VALID [2018-11-23 10:21:24,888 INFO L273 TraceCheckUtils]: 20: Hoare triple {1261#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1261#false} is VALID [2018-11-23 10:21:24,888 INFO L273 TraceCheckUtils]: 21: Hoare triple {1261#false} assume true; {1261#false} is VALID [2018-11-23 10:21:24,889 INFO L268 TraceCheckUtils]: 22: Hoare quadruple {1261#false} {1261#false} #70#return; {1261#false} is VALID [2018-11-23 10:21:24,889 INFO L273 TraceCheckUtils]: 23: Hoare triple {1261#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {1261#false} is VALID [2018-11-23 10:21:24,890 INFO L256 TraceCheckUtils]: 24: Hoare triple {1261#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {1261#false} is VALID [2018-11-23 10:21:24,890 INFO L273 TraceCheckUtils]: 25: Hoare triple {1261#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1261#false} is VALID [2018-11-23 10:21:24,891 INFO L273 TraceCheckUtils]: 26: Hoare triple {1261#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1261#false} is VALID [2018-11-23 10:21:24,891 INFO L273 TraceCheckUtils]: 27: Hoare triple {1261#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1261#false} is VALID [2018-11-23 10:21:24,891 INFO L273 TraceCheckUtils]: 28: Hoare triple {1261#false} assume !~bvslt32(~i~0, 20bv32); {1261#false} is VALID [2018-11-23 10:21:24,892 INFO L273 TraceCheckUtils]: 29: Hoare triple {1261#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1261#false} is VALID [2018-11-23 10:21:24,892 INFO L273 TraceCheckUtils]: 30: Hoare triple {1261#false} assume true; {1261#false} is VALID [2018-11-23 10:21:24,892 INFO L268 TraceCheckUtils]: 31: Hoare quadruple {1261#false} {1261#false} #72#return; {1261#false} is VALID [2018-11-23 10:21:24,892 INFO L273 TraceCheckUtils]: 32: Hoare triple {1261#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {1261#false} is VALID [2018-11-23 10:21:24,893 INFO L273 TraceCheckUtils]: 33: Hoare triple {1261#false} assume !~bvslt32(~i~2, 19bv32); {1261#false} is VALID [2018-11-23 10:21:24,893 INFO L273 TraceCheckUtils]: 34: Hoare triple {1261#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {1261#false} is VALID [2018-11-23 10:21:24,893 INFO L256 TraceCheckUtils]: 35: Hoare triple {1261#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {1261#false} is VALID [2018-11-23 10:21:24,894 INFO L273 TraceCheckUtils]: 36: Hoare triple {1261#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1261#false} is VALID [2018-11-23 10:21:24,894 INFO L273 TraceCheckUtils]: 37: Hoare triple {1261#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1261#false} is VALID [2018-11-23 10:21:24,894 INFO L273 TraceCheckUtils]: 38: Hoare triple {1261#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1261#false} is VALID [2018-11-23 10:21:24,894 INFO L273 TraceCheckUtils]: 39: Hoare triple {1261#false} assume !~bvslt32(~i~0, 20bv32); {1261#false} is VALID [2018-11-23 10:21:24,895 INFO L273 TraceCheckUtils]: 40: Hoare triple {1261#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1261#false} is VALID [2018-11-23 10:21:24,895 INFO L273 TraceCheckUtils]: 41: Hoare triple {1261#false} assume true; {1261#false} is VALID [2018-11-23 10:21:24,895 INFO L268 TraceCheckUtils]: 42: Hoare quadruple {1261#false} {1261#false} #74#return; {1261#false} is VALID [2018-11-23 10:21:24,896 INFO L273 TraceCheckUtils]: 43: Hoare triple {1261#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {1261#false} is VALID [2018-11-23 10:21:24,896 INFO L273 TraceCheckUtils]: 44: Hoare triple {1261#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {1261#false} is VALID [2018-11-23 10:21:24,896 INFO L273 TraceCheckUtils]: 45: Hoare triple {1261#false} assume !false; {1261#false} is VALID [2018-11-23 10:21:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 10:21:24,900 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:21:25,229 INFO L273 TraceCheckUtils]: 45: Hoare triple {1261#false} assume !false; {1261#false} is VALID [2018-11-23 10:21:25,230 INFO L273 TraceCheckUtils]: 44: Hoare triple {1261#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {1261#false} is VALID [2018-11-23 10:21:25,230 INFO L273 TraceCheckUtils]: 43: Hoare triple {1261#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {1261#false} is VALID [2018-11-23 10:21:25,230 INFO L268 TraceCheckUtils]: 42: Hoare quadruple {1260#true} {1261#false} #74#return; {1261#false} is VALID [2018-11-23 10:21:25,230 INFO L273 TraceCheckUtils]: 41: Hoare triple {1260#true} assume true; {1260#true} is VALID [2018-11-23 10:21:25,231 INFO L273 TraceCheckUtils]: 40: Hoare triple {1260#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1260#true} is VALID [2018-11-23 10:21:25,231 INFO L273 TraceCheckUtils]: 39: Hoare triple {1260#true} assume !~bvslt32(~i~0, 20bv32); {1260#true} is VALID [2018-11-23 10:21:25,231 INFO L273 TraceCheckUtils]: 38: Hoare triple {1260#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1260#true} is VALID [2018-11-23 10:21:25,231 INFO L273 TraceCheckUtils]: 37: Hoare triple {1260#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1260#true} is VALID [2018-11-23 10:21:25,232 INFO L273 TraceCheckUtils]: 36: Hoare triple {1260#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1260#true} is VALID [2018-11-23 10:21:25,232 INFO L256 TraceCheckUtils]: 35: Hoare triple {1261#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {1260#true} is VALID [2018-11-23 10:21:25,232 INFO L273 TraceCheckUtils]: 34: Hoare triple {1261#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {1261#false} is VALID [2018-11-23 10:21:25,232 INFO L273 TraceCheckUtils]: 33: Hoare triple {1261#false} assume !~bvslt32(~i~2, 19bv32); {1261#false} is VALID [2018-11-23 10:21:25,233 INFO L273 TraceCheckUtils]: 32: Hoare triple {1261#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {1261#false} is VALID [2018-11-23 10:21:25,233 INFO L268 TraceCheckUtils]: 31: Hoare quadruple {1260#true} {1261#false} #72#return; {1261#false} is VALID [2018-11-23 10:21:25,233 INFO L273 TraceCheckUtils]: 30: Hoare triple {1260#true} assume true; {1260#true} is VALID [2018-11-23 10:21:25,233 INFO L273 TraceCheckUtils]: 29: Hoare triple {1260#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1260#true} is VALID [2018-11-23 10:21:25,234 INFO L273 TraceCheckUtils]: 28: Hoare triple {1260#true} assume !~bvslt32(~i~0, 20bv32); {1260#true} is VALID [2018-11-23 10:21:25,234 INFO L273 TraceCheckUtils]: 27: Hoare triple {1260#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1260#true} is VALID [2018-11-23 10:21:25,234 INFO L273 TraceCheckUtils]: 26: Hoare triple {1260#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1260#true} is VALID [2018-11-23 10:21:25,234 INFO L273 TraceCheckUtils]: 25: Hoare triple {1260#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1260#true} is VALID [2018-11-23 10:21:25,235 INFO L256 TraceCheckUtils]: 24: Hoare triple {1261#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {1260#true} is VALID [2018-11-23 10:21:25,235 INFO L273 TraceCheckUtils]: 23: Hoare triple {1261#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {1261#false} is VALID [2018-11-23 10:21:25,235 INFO L268 TraceCheckUtils]: 22: Hoare quadruple {1260#true} {1261#false} #70#return; {1261#false} is VALID [2018-11-23 10:21:25,235 INFO L273 TraceCheckUtils]: 21: Hoare triple {1260#true} assume true; {1260#true} is VALID [2018-11-23 10:21:25,236 INFO L273 TraceCheckUtils]: 20: Hoare triple {1260#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1260#true} is VALID [2018-11-23 10:21:25,236 INFO L273 TraceCheckUtils]: 19: Hoare triple {1260#true} assume !~bvslt32(~i~0, 20bv32); {1260#true} is VALID [2018-11-23 10:21:25,236 INFO L273 TraceCheckUtils]: 18: Hoare triple {1260#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1260#true} is VALID [2018-11-23 10:21:25,237 INFO L273 TraceCheckUtils]: 17: Hoare triple {1260#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1260#true} is VALID [2018-11-23 10:21:25,237 INFO L273 TraceCheckUtils]: 16: Hoare triple {1260#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1260#true} is VALID [2018-11-23 10:21:25,237 INFO L256 TraceCheckUtils]: 15: Hoare triple {1261#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {1260#true} is VALID [2018-11-23 10:21:25,238 INFO L273 TraceCheckUtils]: 14: Hoare triple {1498#(bvslt main_~i~1 (_ bv20 32))} assume !~bvslt32(~i~1, 20bv32); {1261#false} is VALID [2018-11-23 10:21:25,238 INFO L273 TraceCheckUtils]: 13: Hoare triple {1502#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1498#(bvslt main_~i~1 (_ bv20 32))} is VALID [2018-11-23 10:21:25,239 INFO L273 TraceCheckUtils]: 12: Hoare triple {1502#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1502#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:25,243 INFO L273 TraceCheckUtils]: 11: Hoare triple {1509#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1502#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:25,244 INFO L273 TraceCheckUtils]: 10: Hoare triple {1509#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1509#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:25,248 INFO L273 TraceCheckUtils]: 9: Hoare triple {1516#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1509#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:25,252 INFO L273 TraceCheckUtils]: 8: Hoare triple {1516#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1516#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:25,256 INFO L273 TraceCheckUtils]: 7: Hoare triple {1523#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1516#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:25,257 INFO L273 TraceCheckUtils]: 6: Hoare triple {1523#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1523#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:25,258 INFO L273 TraceCheckUtils]: 5: Hoare triple {1260#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {1523#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:25,258 INFO L256 TraceCheckUtils]: 4: Hoare triple {1260#true} call #t~ret12 := main(); {1260#true} is VALID [2018-11-23 10:21:25,258 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1260#true} {1260#true} #66#return; {1260#true} is VALID [2018-11-23 10:21:25,258 INFO L273 TraceCheckUtils]: 2: Hoare triple {1260#true} assume true; {1260#true} is VALID [2018-11-23 10:21:25,259 INFO L273 TraceCheckUtils]: 1: Hoare triple {1260#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1260#true} is VALID [2018-11-23 10:21:25,259 INFO L256 TraceCheckUtils]: 0: Hoare triple {1260#true} call ULTIMATE.init(); {1260#true} is VALID [2018-11-23 10:21:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 10:21:25,272 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 10:21:25,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 10:21:25,273 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 46 [2018-11-23 10:21:25,274 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:21:25,274 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2018-11-23 10:21:25,605 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:25,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 10:21:25,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 10:21:25,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-11-23 10:21:25,606 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 12 states. [2018-11-23 10:21:27,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:27,319 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2018-11-23 10:21:27,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 10:21:27,319 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 46 [2018-11-23 10:21:27,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:21:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 10:21:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 76 transitions. [2018-11-23 10:21:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 10:21:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 76 transitions. [2018-11-23 10:21:27,325 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 76 transitions. [2018-11-23 10:21:27,659 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:27,661 INFO L225 Difference]: With dead ends: 65 [2018-11-23 10:21:27,661 INFO L226 Difference]: Without dead ends: 46 [2018-11-23 10:21:27,662 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2018-11-23 10:21:27,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-23 10:21:27,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-11-23 10:21:27,729 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:21:27,729 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand 46 states. [2018-11-23 10:21:27,730 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 46 states. [2018-11-23 10:21:27,730 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 46 states. [2018-11-23 10:21:27,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:27,732 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2018-11-23 10:21:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-11-23 10:21:27,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:27,733 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:27,733 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 46 states. [2018-11-23 10:21:27,733 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 46 states. [2018-11-23 10:21:27,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:27,736 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2018-11-23 10:21:27,736 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-11-23 10:21:27,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:27,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:27,737 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:21:27,737 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:21:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-23 10:21:27,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-11-23 10:21:27,740 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 46 [2018-11-23 10:21:27,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:21:27,741 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-11-23 10:21:27,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 10:21:27,741 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-11-23 10:21:27,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 10:21:27,743 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:27,743 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:27,743 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:27,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:27,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1830758179, now seen corresponding path program 2 times [2018-11-23 10:21:27,744 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:27,744 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:27,764 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-23 10:21:28,825 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 10:21:28,826 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 10:21:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:28,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:21:29,216 INFO L256 TraceCheckUtils]: 0: Hoare triple {1809#true} call ULTIMATE.init(); {1809#true} is VALID [2018-11-23 10:21:29,217 INFO L273 TraceCheckUtils]: 1: Hoare triple {1809#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1809#true} is VALID [2018-11-23 10:21:29,217 INFO L273 TraceCheckUtils]: 2: Hoare triple {1809#true} assume true; {1809#true} is VALID [2018-11-23 10:21:29,217 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1809#true} {1809#true} #66#return; {1809#true} is VALID [2018-11-23 10:21:29,218 INFO L256 TraceCheckUtils]: 4: Hoare triple {1809#true} call #t~ret12 := main(); {1809#true} is VALID [2018-11-23 10:21:29,221 INFO L273 TraceCheckUtils]: 5: Hoare triple {1809#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {1829#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-23 10:21:29,221 INFO L273 TraceCheckUtils]: 6: Hoare triple {1829#(= main_~i~1 (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1829#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-23 10:21:29,222 INFO L273 TraceCheckUtils]: 7: Hoare triple {1829#(= main_~i~1 (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1836#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,222 INFO L273 TraceCheckUtils]: 8: Hoare triple {1836#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1836#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,223 INFO L273 TraceCheckUtils]: 9: Hoare triple {1836#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1843#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,224 INFO L273 TraceCheckUtils]: 10: Hoare triple {1843#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1843#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,225 INFO L273 TraceCheckUtils]: 11: Hoare triple {1843#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1850#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,226 INFO L273 TraceCheckUtils]: 12: Hoare triple {1850#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1850#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,227 INFO L273 TraceCheckUtils]: 13: Hoare triple {1850#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1857#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,228 INFO L273 TraceCheckUtils]: 14: Hoare triple {1857#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1857#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,229 INFO L273 TraceCheckUtils]: 15: Hoare triple {1857#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1864#(= (_ bv5 32) main_~i~1)} is VALID [2018-11-23 10:21:29,229 INFO L273 TraceCheckUtils]: 16: Hoare triple {1864#(= (_ bv5 32) main_~i~1)} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1864#(= (_ bv5 32) main_~i~1)} is VALID [2018-11-23 10:21:29,230 INFO L273 TraceCheckUtils]: 17: Hoare triple {1864#(= (_ bv5 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1871#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,231 INFO L273 TraceCheckUtils]: 18: Hoare triple {1871#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1871#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,232 INFO L273 TraceCheckUtils]: 19: Hoare triple {1871#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1878#(= (_ bv7 32) main_~i~1)} is VALID [2018-11-23 10:21:29,233 INFO L273 TraceCheckUtils]: 20: Hoare triple {1878#(= (_ bv7 32) main_~i~1)} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1878#(= (_ bv7 32) main_~i~1)} is VALID [2018-11-23 10:21:29,234 INFO L273 TraceCheckUtils]: 21: Hoare triple {1878#(= (_ bv7 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1885#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,235 INFO L273 TraceCheckUtils]: 22: Hoare triple {1885#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1885#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,236 INFO L273 TraceCheckUtils]: 23: Hoare triple {1885#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1892#(= (_ bv9 32) main_~i~1)} is VALID [2018-11-23 10:21:29,236 INFO L273 TraceCheckUtils]: 24: Hoare triple {1892#(= (_ bv9 32) main_~i~1)} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1892#(= (_ bv9 32) main_~i~1)} is VALID [2018-11-23 10:21:29,238 INFO L273 TraceCheckUtils]: 25: Hoare triple {1892#(= (_ bv9 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1899#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:29,238 INFO L273 TraceCheckUtils]: 26: Hoare triple {1899#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} assume !~bvslt32(~i~1, 20bv32); {1810#false} is VALID [2018-11-23 10:21:29,239 INFO L256 TraceCheckUtils]: 27: Hoare triple {1810#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {1810#false} is VALID [2018-11-23 10:21:29,239 INFO L273 TraceCheckUtils]: 28: Hoare triple {1810#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1810#false} is VALID [2018-11-23 10:21:29,239 INFO L273 TraceCheckUtils]: 29: Hoare triple {1810#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1810#false} is VALID [2018-11-23 10:21:29,240 INFO L273 TraceCheckUtils]: 30: Hoare triple {1810#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1810#false} is VALID [2018-11-23 10:21:29,240 INFO L273 TraceCheckUtils]: 31: Hoare triple {1810#false} assume !~bvslt32(~i~0, 20bv32); {1810#false} is VALID [2018-11-23 10:21:29,240 INFO L273 TraceCheckUtils]: 32: Hoare triple {1810#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1810#false} is VALID [2018-11-23 10:21:29,241 INFO L273 TraceCheckUtils]: 33: Hoare triple {1810#false} assume true; {1810#false} is VALID [2018-11-23 10:21:29,241 INFO L268 TraceCheckUtils]: 34: Hoare quadruple {1810#false} {1810#false} #70#return; {1810#false} is VALID [2018-11-23 10:21:29,241 INFO L273 TraceCheckUtils]: 35: Hoare triple {1810#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {1810#false} is VALID [2018-11-23 10:21:29,242 INFO L256 TraceCheckUtils]: 36: Hoare triple {1810#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {1810#false} is VALID [2018-11-23 10:21:29,242 INFO L273 TraceCheckUtils]: 37: Hoare triple {1810#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1810#false} is VALID [2018-11-23 10:21:29,242 INFO L273 TraceCheckUtils]: 38: Hoare triple {1810#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1810#false} is VALID [2018-11-23 10:21:29,243 INFO L273 TraceCheckUtils]: 39: Hoare triple {1810#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1810#false} is VALID [2018-11-23 10:21:29,243 INFO L273 TraceCheckUtils]: 40: Hoare triple {1810#false} assume !~bvslt32(~i~0, 20bv32); {1810#false} is VALID [2018-11-23 10:21:29,243 INFO L273 TraceCheckUtils]: 41: Hoare triple {1810#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1810#false} is VALID [2018-11-23 10:21:29,243 INFO L273 TraceCheckUtils]: 42: Hoare triple {1810#false} assume true; {1810#false} is VALID [2018-11-23 10:21:29,243 INFO L268 TraceCheckUtils]: 43: Hoare quadruple {1810#false} {1810#false} #72#return; {1810#false} is VALID [2018-11-23 10:21:29,244 INFO L273 TraceCheckUtils]: 44: Hoare triple {1810#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {1810#false} is VALID [2018-11-23 10:21:29,244 INFO L273 TraceCheckUtils]: 45: Hoare triple {1810#false} assume !~bvslt32(~i~2, 19bv32); {1810#false} is VALID [2018-11-23 10:21:29,244 INFO L273 TraceCheckUtils]: 46: Hoare triple {1810#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {1810#false} is VALID [2018-11-23 10:21:29,244 INFO L256 TraceCheckUtils]: 47: Hoare triple {1810#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {1810#false} is VALID [2018-11-23 10:21:29,244 INFO L273 TraceCheckUtils]: 48: Hoare triple {1810#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1810#false} is VALID [2018-11-23 10:21:29,245 INFO L273 TraceCheckUtils]: 49: Hoare triple {1810#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1810#false} is VALID [2018-11-23 10:21:29,245 INFO L273 TraceCheckUtils]: 50: Hoare triple {1810#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1810#false} is VALID [2018-11-23 10:21:29,245 INFO L273 TraceCheckUtils]: 51: Hoare triple {1810#false} assume !~bvslt32(~i~0, 20bv32); {1810#false} is VALID [2018-11-23 10:21:29,245 INFO L273 TraceCheckUtils]: 52: Hoare triple {1810#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1810#false} is VALID [2018-11-23 10:21:29,245 INFO L273 TraceCheckUtils]: 53: Hoare triple {1810#false} assume true; {1810#false} is VALID [2018-11-23 10:21:29,245 INFO L268 TraceCheckUtils]: 54: Hoare quadruple {1810#false} {1810#false} #74#return; {1810#false} is VALID [2018-11-23 10:21:29,246 INFO L273 TraceCheckUtils]: 55: Hoare triple {1810#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {1810#false} is VALID [2018-11-23 10:21:29,246 INFO L273 TraceCheckUtils]: 56: Hoare triple {1810#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {1810#false} is VALID [2018-11-23 10:21:29,246 INFO L273 TraceCheckUtils]: 57: Hoare triple {1810#false} assume !false; {1810#false} is VALID [2018-11-23 10:21:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 10:21:29,251 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:21:30,020 INFO L273 TraceCheckUtils]: 57: Hoare triple {1810#false} assume !false; {1810#false} is VALID [2018-11-23 10:21:30,020 INFO L273 TraceCheckUtils]: 56: Hoare triple {1810#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {1810#false} is VALID [2018-11-23 10:21:30,020 INFO L273 TraceCheckUtils]: 55: Hoare triple {1810#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {1810#false} is VALID [2018-11-23 10:21:30,021 INFO L268 TraceCheckUtils]: 54: Hoare quadruple {1809#true} {1810#false} #74#return; {1810#false} is VALID [2018-11-23 10:21:30,021 INFO L273 TraceCheckUtils]: 53: Hoare triple {1809#true} assume true; {1809#true} is VALID [2018-11-23 10:21:30,021 INFO L273 TraceCheckUtils]: 52: Hoare triple {1809#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1809#true} is VALID [2018-11-23 10:21:30,021 INFO L273 TraceCheckUtils]: 51: Hoare triple {1809#true} assume !~bvslt32(~i~0, 20bv32); {1809#true} is VALID [2018-11-23 10:21:30,021 INFO L273 TraceCheckUtils]: 50: Hoare triple {1809#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1809#true} is VALID [2018-11-23 10:21:30,022 INFO L273 TraceCheckUtils]: 49: Hoare triple {1809#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1809#true} is VALID [2018-11-23 10:21:30,022 INFO L273 TraceCheckUtils]: 48: Hoare triple {1809#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1809#true} is VALID [2018-11-23 10:21:30,022 INFO L256 TraceCheckUtils]: 47: Hoare triple {1810#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {1809#true} is VALID [2018-11-23 10:21:30,022 INFO L273 TraceCheckUtils]: 46: Hoare triple {1810#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {1810#false} is VALID [2018-11-23 10:21:30,023 INFO L273 TraceCheckUtils]: 45: Hoare triple {1810#false} assume !~bvslt32(~i~2, 19bv32); {1810#false} is VALID [2018-11-23 10:21:30,023 INFO L273 TraceCheckUtils]: 44: Hoare triple {1810#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {1810#false} is VALID [2018-11-23 10:21:30,023 INFO L268 TraceCheckUtils]: 43: Hoare quadruple {1809#true} {1810#false} #72#return; {1810#false} is VALID [2018-11-23 10:21:30,024 INFO L273 TraceCheckUtils]: 42: Hoare triple {1809#true} assume true; {1809#true} is VALID [2018-11-23 10:21:30,024 INFO L273 TraceCheckUtils]: 41: Hoare triple {1809#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1809#true} is VALID [2018-11-23 10:21:30,024 INFO L273 TraceCheckUtils]: 40: Hoare triple {1809#true} assume !~bvslt32(~i~0, 20bv32); {1809#true} is VALID [2018-11-23 10:21:30,024 INFO L273 TraceCheckUtils]: 39: Hoare triple {1809#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1809#true} is VALID [2018-11-23 10:21:30,025 INFO L273 TraceCheckUtils]: 38: Hoare triple {1809#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1809#true} is VALID [2018-11-23 10:21:30,025 INFO L273 TraceCheckUtils]: 37: Hoare triple {1809#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1809#true} is VALID [2018-11-23 10:21:30,025 INFO L256 TraceCheckUtils]: 36: Hoare triple {1810#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {1809#true} is VALID [2018-11-23 10:21:30,025 INFO L273 TraceCheckUtils]: 35: Hoare triple {1810#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {1810#false} is VALID [2018-11-23 10:21:30,025 INFO L268 TraceCheckUtils]: 34: Hoare quadruple {1809#true} {1810#false} #70#return; {1810#false} is VALID [2018-11-23 10:21:30,026 INFO L273 TraceCheckUtils]: 33: Hoare triple {1809#true} assume true; {1809#true} is VALID [2018-11-23 10:21:30,026 INFO L273 TraceCheckUtils]: 32: Hoare triple {1809#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {1809#true} is VALID [2018-11-23 10:21:30,026 INFO L273 TraceCheckUtils]: 31: Hoare triple {1809#true} assume !~bvslt32(~i~0, 20bv32); {1809#true} is VALID [2018-11-23 10:21:30,026 INFO L273 TraceCheckUtils]: 30: Hoare triple {1809#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1809#true} is VALID [2018-11-23 10:21:30,026 INFO L273 TraceCheckUtils]: 29: Hoare triple {1809#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {1809#true} is VALID [2018-11-23 10:21:30,026 INFO L273 TraceCheckUtils]: 28: Hoare triple {1809#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1809#true} is VALID [2018-11-23 10:21:30,027 INFO L256 TraceCheckUtils]: 27: Hoare triple {1810#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {1809#true} is VALID [2018-11-23 10:21:30,033 INFO L273 TraceCheckUtils]: 26: Hoare triple {2089#(bvslt main_~i~1 (_ bv20 32))} assume !~bvslt32(~i~1, 20bv32); {1810#false} is VALID [2018-11-23 10:21:30,035 INFO L273 TraceCheckUtils]: 25: Hoare triple {2093#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2089#(bvslt main_~i~1 (_ bv20 32))} is VALID [2018-11-23 10:21:30,036 INFO L273 TraceCheckUtils]: 24: Hoare triple {2093#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2093#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,040 INFO L273 TraceCheckUtils]: 23: Hoare triple {2100#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2093#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,041 INFO L273 TraceCheckUtils]: 22: Hoare triple {2100#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2100#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,045 INFO L273 TraceCheckUtils]: 21: Hoare triple {2107#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2100#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,045 INFO L273 TraceCheckUtils]: 20: Hoare triple {2107#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2107#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,049 INFO L273 TraceCheckUtils]: 19: Hoare triple {2114#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2107#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,050 INFO L273 TraceCheckUtils]: 18: Hoare triple {2114#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2114#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,053 INFO L273 TraceCheckUtils]: 17: Hoare triple {2121#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2114#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,054 INFO L273 TraceCheckUtils]: 16: Hoare triple {2121#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2121#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,058 INFO L273 TraceCheckUtils]: 15: Hoare triple {2128#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2121#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,059 INFO L273 TraceCheckUtils]: 14: Hoare triple {2128#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2128#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,063 INFO L273 TraceCheckUtils]: 13: Hoare triple {2135#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2128#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,063 INFO L273 TraceCheckUtils]: 12: Hoare triple {2135#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2135#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,067 INFO L273 TraceCheckUtils]: 11: Hoare triple {2142#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2135#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,067 INFO L273 TraceCheckUtils]: 10: Hoare triple {2142#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2142#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,071 INFO L273 TraceCheckUtils]: 9: Hoare triple {2149#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2142#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,072 INFO L273 TraceCheckUtils]: 8: Hoare triple {2149#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2149#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,076 INFO L273 TraceCheckUtils]: 7: Hoare triple {2156#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv20 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2149#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,077 INFO L273 TraceCheckUtils]: 6: Hoare triple {2156#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv20 32))} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2156#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,078 INFO L273 TraceCheckUtils]: 5: Hoare triple {1809#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {2156#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:30,078 INFO L256 TraceCheckUtils]: 4: Hoare triple {1809#true} call #t~ret12 := main(); {1809#true} is VALID [2018-11-23 10:21:30,078 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1809#true} {1809#true} #66#return; {1809#true} is VALID [2018-11-23 10:21:30,079 INFO L273 TraceCheckUtils]: 2: Hoare triple {1809#true} assume true; {1809#true} is VALID [2018-11-23 10:21:30,079 INFO L273 TraceCheckUtils]: 1: Hoare triple {1809#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1809#true} is VALID [2018-11-23 10:21:30,079 INFO L256 TraceCheckUtils]: 0: Hoare triple {1809#true} call ULTIMATE.init(); {1809#true} is VALID [2018-11-23 10:21:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 10:21:30,089 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 10:21:30,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2018-11-23 10:21:30,090 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 58 [2018-11-23 10:21:30,092 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:21:30,092 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states. [2018-11-23 10:21:30,432 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:30,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-23 10:21:30,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-23 10:21:30,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2018-11-23 10:21:30,433 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 24 states. [2018-11-23 10:21:34,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:34,878 INFO L93 Difference]: Finished difference Result 85 states and 102 transitions. [2018-11-23 10:21:34,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 10:21:34,878 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 58 [2018-11-23 10:21:34,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:21:34,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-23 10:21:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 100 transitions. [2018-11-23 10:21:34,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-23 10:21:34,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 100 transitions. [2018-11-23 10:21:34,884 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 100 transitions. [2018-11-23 10:21:35,272 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:35,274 INFO L225 Difference]: With dead ends: 85 [2018-11-23 10:21:35,274 INFO L226 Difference]: Without dead ends: 66 [2018-11-23 10:21:35,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=341, Invalid=651, Unknown=0, NotChecked=0, Total=992 [2018-11-23 10:21:35,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-23 10:21:35,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-11-23 10:21:35,431 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:21:35,431 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 66 states. [2018-11-23 10:21:35,432 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2018-11-23 10:21:35,432 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2018-11-23 10:21:35,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:35,435 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2018-11-23 10:21:35,435 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2018-11-23 10:21:35,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:35,436 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:35,436 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 66 states. [2018-11-23 10:21:35,437 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 66 states. [2018-11-23 10:21:35,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:35,440 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2018-11-23 10:21:35,440 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2018-11-23 10:21:35,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:35,441 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:35,441 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:21:35,441 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:21:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-23 10:21:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2018-11-23 10:21:35,444 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 58 [2018-11-23 10:21:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:21:35,445 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2018-11-23 10:21:35,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-23 10:21:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2018-11-23 10:21:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 10:21:35,447 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:35,447 INFO L402 BasicCegarLoop]: trace histogram [20, 20, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:35,447 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:35,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:35,452 INFO L82 PathProgramCache]: Analyzing trace with hash 722193713, now seen corresponding path program 3 times [2018-11-23 10:21:35,452 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:35,452 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:35,479 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-23 10:21:36,278 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-23 10:21:36,278 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 10:21:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:36,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:21:36,508 INFO L256 TraceCheckUtils]: 0: Hoare triple {2550#true} call ULTIMATE.init(); {2550#true} is VALID [2018-11-23 10:21:36,508 INFO L273 TraceCheckUtils]: 1: Hoare triple {2550#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {2550#true} is VALID [2018-11-23 10:21:36,508 INFO L273 TraceCheckUtils]: 2: Hoare triple {2550#true} assume true; {2550#true} is VALID [2018-11-23 10:21:36,509 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2550#true} {2550#true} #66#return; {2550#true} is VALID [2018-11-23 10:21:36,509 INFO L256 TraceCheckUtils]: 4: Hoare triple {2550#true} call #t~ret12 := main(); {2550#true} is VALID [2018-11-23 10:21:36,509 INFO L273 TraceCheckUtils]: 5: Hoare triple {2550#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {2550#true} is VALID [2018-11-23 10:21:36,510 INFO L273 TraceCheckUtils]: 6: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,510 INFO L273 TraceCheckUtils]: 7: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,510 INFO L273 TraceCheckUtils]: 8: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,511 INFO L273 TraceCheckUtils]: 9: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,511 INFO L273 TraceCheckUtils]: 10: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,511 INFO L273 TraceCheckUtils]: 11: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,511 INFO L273 TraceCheckUtils]: 12: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,511 INFO L273 TraceCheckUtils]: 13: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,511 INFO L273 TraceCheckUtils]: 14: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,512 INFO L273 TraceCheckUtils]: 15: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,512 INFO L273 TraceCheckUtils]: 16: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,512 INFO L273 TraceCheckUtils]: 17: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,512 INFO L273 TraceCheckUtils]: 18: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,512 INFO L273 TraceCheckUtils]: 19: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,512 INFO L273 TraceCheckUtils]: 20: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,512 INFO L273 TraceCheckUtils]: 21: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,513 INFO L273 TraceCheckUtils]: 22: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,513 INFO L273 TraceCheckUtils]: 23: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,513 INFO L273 TraceCheckUtils]: 24: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,513 INFO L273 TraceCheckUtils]: 25: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,513 INFO L273 TraceCheckUtils]: 26: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,513 INFO L273 TraceCheckUtils]: 27: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,513 INFO L273 TraceCheckUtils]: 28: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,514 INFO L273 TraceCheckUtils]: 29: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,514 INFO L273 TraceCheckUtils]: 30: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,514 INFO L273 TraceCheckUtils]: 31: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,514 INFO L273 TraceCheckUtils]: 32: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,514 INFO L273 TraceCheckUtils]: 33: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,514 INFO L273 TraceCheckUtils]: 34: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,514 INFO L273 TraceCheckUtils]: 35: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,515 INFO L273 TraceCheckUtils]: 36: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,515 INFO L273 TraceCheckUtils]: 37: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,515 INFO L273 TraceCheckUtils]: 38: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,515 INFO L273 TraceCheckUtils]: 39: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,515 INFO L273 TraceCheckUtils]: 40: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,515 INFO L273 TraceCheckUtils]: 41: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,515 INFO L273 TraceCheckUtils]: 42: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,516 INFO L273 TraceCheckUtils]: 43: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,516 INFO L273 TraceCheckUtils]: 44: Hoare triple {2550#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2550#true} is VALID [2018-11-23 10:21:36,516 INFO L273 TraceCheckUtils]: 45: Hoare triple {2550#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2550#true} is VALID [2018-11-23 10:21:36,516 INFO L273 TraceCheckUtils]: 46: Hoare triple {2550#true} assume !~bvslt32(~i~1, 20bv32); {2550#true} is VALID [2018-11-23 10:21:36,516 INFO L256 TraceCheckUtils]: 47: Hoare triple {2550#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {2550#true} is VALID [2018-11-23 10:21:36,516 INFO L273 TraceCheckUtils]: 48: Hoare triple {2550#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {2550#true} is VALID [2018-11-23 10:21:36,516 INFO L273 TraceCheckUtils]: 49: Hoare triple {2550#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {2550#true} is VALID [2018-11-23 10:21:36,517 INFO L273 TraceCheckUtils]: 50: Hoare triple {2550#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2550#true} is VALID [2018-11-23 10:21:36,517 INFO L273 TraceCheckUtils]: 51: Hoare triple {2550#true} assume !~bvslt32(~i~0, 20bv32); {2550#true} is VALID [2018-11-23 10:21:36,517 INFO L273 TraceCheckUtils]: 52: Hoare triple {2550#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {2550#true} is VALID [2018-11-23 10:21:36,517 INFO L273 TraceCheckUtils]: 53: Hoare triple {2550#true} assume true; {2550#true} is VALID [2018-11-23 10:21:36,517 INFO L268 TraceCheckUtils]: 54: Hoare quadruple {2550#true} {2550#true} #70#return; {2550#true} is VALID [2018-11-23 10:21:36,517 INFO L273 TraceCheckUtils]: 55: Hoare triple {2550#true} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {2550#true} is VALID [2018-11-23 10:21:36,517 INFO L256 TraceCheckUtils]: 56: Hoare triple {2550#true} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {2550#true} is VALID [2018-11-23 10:21:36,518 INFO L273 TraceCheckUtils]: 57: Hoare triple {2550#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {2550#true} is VALID [2018-11-23 10:21:36,518 INFO L273 TraceCheckUtils]: 58: Hoare triple {2550#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {2550#true} is VALID [2018-11-23 10:21:36,518 INFO L273 TraceCheckUtils]: 59: Hoare triple {2550#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2550#true} is VALID [2018-11-23 10:21:36,518 INFO L273 TraceCheckUtils]: 60: Hoare triple {2550#true} assume !~bvslt32(~i~0, 20bv32); {2550#true} is VALID [2018-11-23 10:21:36,518 INFO L273 TraceCheckUtils]: 61: Hoare triple {2550#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {2550#true} is VALID [2018-11-23 10:21:36,518 INFO L273 TraceCheckUtils]: 62: Hoare triple {2550#true} assume true; {2550#true} is VALID [2018-11-23 10:21:36,518 INFO L268 TraceCheckUtils]: 63: Hoare quadruple {2550#true} {2550#true} #72#return; {2550#true} is VALID [2018-11-23 10:21:36,519 INFO L273 TraceCheckUtils]: 64: Hoare triple {2550#true} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {2747#(= main_~i~2 (_ bv0 32))} is VALID [2018-11-23 10:21:36,519 INFO L273 TraceCheckUtils]: 65: Hoare triple {2747#(= main_~i~2 (_ bv0 32))} assume !~bvslt32(~i~2, 19bv32); {2551#false} is VALID [2018-11-23 10:21:36,520 INFO L273 TraceCheckUtils]: 66: Hoare triple {2551#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {2551#false} is VALID [2018-11-23 10:21:36,520 INFO L256 TraceCheckUtils]: 67: Hoare triple {2551#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {2551#false} is VALID [2018-11-23 10:21:36,520 INFO L273 TraceCheckUtils]: 68: Hoare triple {2551#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {2551#false} is VALID [2018-11-23 10:21:36,520 INFO L273 TraceCheckUtils]: 69: Hoare triple {2551#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {2551#false} is VALID [2018-11-23 10:21:36,520 INFO L273 TraceCheckUtils]: 70: Hoare triple {2551#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2551#false} is VALID [2018-11-23 10:21:36,520 INFO L273 TraceCheckUtils]: 71: Hoare triple {2551#false} assume !~bvslt32(~i~0, 20bv32); {2551#false} is VALID [2018-11-23 10:21:36,520 INFO L273 TraceCheckUtils]: 72: Hoare triple {2551#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {2551#false} is VALID [2018-11-23 10:21:36,521 INFO L273 TraceCheckUtils]: 73: Hoare triple {2551#false} assume true; {2551#false} is VALID [2018-11-23 10:21:36,521 INFO L268 TraceCheckUtils]: 74: Hoare quadruple {2551#false} {2551#false} #74#return; {2551#false} is VALID [2018-11-23 10:21:36,521 INFO L273 TraceCheckUtils]: 75: Hoare triple {2551#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {2551#false} is VALID [2018-11-23 10:21:36,521 INFO L273 TraceCheckUtils]: 76: Hoare triple {2551#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {2551#false} is VALID [2018-11-23 10:21:36,521 INFO L273 TraceCheckUtils]: 77: Hoare triple {2551#false} assume !false; {2551#false} is VALID [2018-11-23 10:21:36,524 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2018-11-23 10:21:36,524 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:21:36,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:21:36,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 10:21:36,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2018-11-23 10:21:36,529 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:21:36,529 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 10:21:36,738 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:36,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 10:21:36,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 10:21:36,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:21:36,739 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 3 states. [2018-11-23 10:21:37,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:37,070 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2018-11-23 10:21:37,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 10:21:37,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2018-11-23 10:21:37,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:21:37,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:21:37,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2018-11-23 10:21:37,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 10:21:37,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2018-11-23 10:21:37,074 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 45 transitions. [2018-11-23 10:21:37,305 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:37,307 INFO L225 Difference]: With dead ends: 81 [2018-11-23 10:21:37,307 INFO L226 Difference]: Without dead ends: 68 [2018-11-23 10:21:37,308 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 10:21:37,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-23 10:21:37,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2018-11-23 10:21:37,373 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:21:37,373 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 67 states. [2018-11-23 10:21:37,374 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 67 states. [2018-11-23 10:21:37,374 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 67 states. [2018-11-23 10:21:37,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:37,376 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2018-11-23 10:21:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2018-11-23 10:21:37,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:37,377 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:37,377 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 68 states. [2018-11-23 10:21:37,377 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 68 states. [2018-11-23 10:21:37,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:37,380 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2018-11-23 10:21:37,380 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2018-11-23 10:21:37,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:37,383 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:37,383 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:21:37,383 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:21:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-11-23 10:21:37,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2018-11-23 10:21:37,386 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 78 [2018-11-23 10:21:37,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:21:37,386 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2018-11-23 10:21:37,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 10:21:37,386 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2018-11-23 10:21:37,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 10:21:37,387 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:37,388 INFO L402 BasicCegarLoop]: trace histogram [20, 20, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:37,388 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:37,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:37,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1597873361, now seen corresponding path program 1 times [2018-11-23 10:21:37,389 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:37,389 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:37,408 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 10:21:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:38,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:21:38,508 INFO L256 TraceCheckUtils]: 0: Hoare triple {3140#true} call ULTIMATE.init(); {3140#true} is VALID [2018-11-23 10:21:38,508 INFO L273 TraceCheckUtils]: 1: Hoare triple {3140#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {3140#true} is VALID [2018-11-23 10:21:38,509 INFO L273 TraceCheckUtils]: 2: Hoare triple {3140#true} assume true; {3140#true} is VALID [2018-11-23 10:21:38,509 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3140#true} {3140#true} #66#return; {3140#true} is VALID [2018-11-23 10:21:38,509 INFO L256 TraceCheckUtils]: 4: Hoare triple {3140#true} call #t~ret12 := main(); {3140#true} is VALID [2018-11-23 10:21:38,509 INFO L273 TraceCheckUtils]: 5: Hoare triple {3140#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {3140#true} is VALID [2018-11-23 10:21:38,509 INFO L273 TraceCheckUtils]: 6: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,512 INFO L273 TraceCheckUtils]: 7: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,512 INFO L273 TraceCheckUtils]: 8: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,512 INFO L273 TraceCheckUtils]: 9: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,512 INFO L273 TraceCheckUtils]: 10: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,512 INFO L273 TraceCheckUtils]: 11: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,513 INFO L273 TraceCheckUtils]: 12: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,513 INFO L273 TraceCheckUtils]: 13: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,513 INFO L273 TraceCheckUtils]: 14: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,513 INFO L273 TraceCheckUtils]: 15: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,513 INFO L273 TraceCheckUtils]: 16: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,514 INFO L273 TraceCheckUtils]: 17: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,514 INFO L273 TraceCheckUtils]: 18: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,514 INFO L273 TraceCheckUtils]: 19: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,514 INFO L273 TraceCheckUtils]: 20: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,514 INFO L273 TraceCheckUtils]: 21: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,515 INFO L273 TraceCheckUtils]: 22: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,517 INFO L273 TraceCheckUtils]: 23: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,517 INFO L273 TraceCheckUtils]: 24: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,517 INFO L273 TraceCheckUtils]: 25: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,517 INFO L273 TraceCheckUtils]: 26: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,518 INFO L273 TraceCheckUtils]: 27: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,518 INFO L273 TraceCheckUtils]: 28: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,518 INFO L273 TraceCheckUtils]: 29: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,518 INFO L273 TraceCheckUtils]: 30: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,518 INFO L273 TraceCheckUtils]: 31: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,519 INFO L273 TraceCheckUtils]: 32: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,519 INFO L273 TraceCheckUtils]: 33: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,519 INFO L273 TraceCheckUtils]: 34: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,519 INFO L273 TraceCheckUtils]: 35: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,519 INFO L273 TraceCheckUtils]: 36: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,520 INFO L273 TraceCheckUtils]: 37: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,520 INFO L273 TraceCheckUtils]: 38: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,520 INFO L273 TraceCheckUtils]: 39: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,520 INFO L273 TraceCheckUtils]: 40: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,520 INFO L273 TraceCheckUtils]: 41: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,520 INFO L273 TraceCheckUtils]: 42: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,521 INFO L273 TraceCheckUtils]: 43: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,521 INFO L273 TraceCheckUtils]: 44: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,521 INFO L273 TraceCheckUtils]: 45: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,521 INFO L273 TraceCheckUtils]: 46: Hoare triple {3140#true} assume !~bvslt32(~i~1, 20bv32); {3140#true} is VALID [2018-11-23 10:21:38,521 INFO L256 TraceCheckUtils]: 47: Hoare triple {3140#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {3140#true} is VALID [2018-11-23 10:21:38,539 INFO L273 TraceCheckUtils]: 48: Hoare triple {3140#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {3289#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-23 10:21:38,548 INFO L273 TraceCheckUtils]: 49: Hoare triple {3289#(= (_ bv0 32) avg_~i~0)} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {3289#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-23 10:21:38,563 INFO L273 TraceCheckUtils]: 50: Hoare triple {3289#(= (_ bv0 32) avg_~i~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3296#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:38,572 INFO L273 TraceCheckUtils]: 51: Hoare triple {3296#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} assume !~bvslt32(~i~0, 20bv32); {3141#false} is VALID [2018-11-23 10:21:38,572 INFO L273 TraceCheckUtils]: 52: Hoare triple {3141#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {3141#false} is VALID [2018-11-23 10:21:38,572 INFO L273 TraceCheckUtils]: 53: Hoare triple {3141#false} assume true; {3141#false} is VALID [2018-11-23 10:21:38,573 INFO L268 TraceCheckUtils]: 54: Hoare quadruple {3141#false} {3140#true} #70#return; {3141#false} is VALID [2018-11-23 10:21:38,573 INFO L273 TraceCheckUtils]: 55: Hoare triple {3141#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {3141#false} is VALID [2018-11-23 10:21:38,573 INFO L256 TraceCheckUtils]: 56: Hoare triple {3141#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {3141#false} is VALID [2018-11-23 10:21:38,573 INFO L273 TraceCheckUtils]: 57: Hoare triple {3141#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {3141#false} is VALID [2018-11-23 10:21:38,574 INFO L273 TraceCheckUtils]: 58: Hoare triple {3141#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {3141#false} is VALID [2018-11-23 10:21:38,574 INFO L273 TraceCheckUtils]: 59: Hoare triple {3141#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3141#false} is VALID [2018-11-23 10:21:38,574 INFO L273 TraceCheckUtils]: 60: Hoare triple {3141#false} assume !~bvslt32(~i~0, 20bv32); {3141#false} is VALID [2018-11-23 10:21:38,574 INFO L273 TraceCheckUtils]: 61: Hoare triple {3141#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {3141#false} is VALID [2018-11-23 10:21:38,574 INFO L273 TraceCheckUtils]: 62: Hoare triple {3141#false} assume true; {3141#false} is VALID [2018-11-23 10:21:38,575 INFO L268 TraceCheckUtils]: 63: Hoare quadruple {3141#false} {3141#false} #72#return; {3141#false} is VALID [2018-11-23 10:21:38,575 INFO L273 TraceCheckUtils]: 64: Hoare triple {3141#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {3141#false} is VALID [2018-11-23 10:21:38,575 INFO L273 TraceCheckUtils]: 65: Hoare triple {3141#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {3141#false} is VALID [2018-11-23 10:21:38,575 INFO L273 TraceCheckUtils]: 66: Hoare triple {3141#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {3141#false} is VALID [2018-11-23 10:21:38,576 INFO L273 TraceCheckUtils]: 67: Hoare triple {3141#false} assume !~bvslt32(~i~2, 19bv32); {3141#false} is VALID [2018-11-23 10:21:38,576 INFO L273 TraceCheckUtils]: 68: Hoare triple {3141#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {3141#false} is VALID [2018-11-23 10:21:38,576 INFO L256 TraceCheckUtils]: 69: Hoare triple {3141#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {3141#false} is VALID [2018-11-23 10:21:38,576 INFO L273 TraceCheckUtils]: 70: Hoare triple {3141#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {3141#false} is VALID [2018-11-23 10:21:38,576 INFO L273 TraceCheckUtils]: 71: Hoare triple {3141#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {3141#false} is VALID [2018-11-23 10:21:38,576 INFO L273 TraceCheckUtils]: 72: Hoare triple {3141#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3141#false} is VALID [2018-11-23 10:21:38,577 INFO L273 TraceCheckUtils]: 73: Hoare triple {3141#false} assume !~bvslt32(~i~0, 20bv32); {3141#false} is VALID [2018-11-23 10:21:38,577 INFO L273 TraceCheckUtils]: 74: Hoare triple {3141#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {3141#false} is VALID [2018-11-23 10:21:38,577 INFO L273 TraceCheckUtils]: 75: Hoare triple {3141#false} assume true; {3141#false} is VALID [2018-11-23 10:21:38,577 INFO L268 TraceCheckUtils]: 76: Hoare quadruple {3141#false} {3141#false} #74#return; {3141#false} is VALID [2018-11-23 10:21:38,577 INFO L273 TraceCheckUtils]: 77: Hoare triple {3141#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {3141#false} is VALID [2018-11-23 10:21:38,578 INFO L273 TraceCheckUtils]: 78: Hoare triple {3141#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {3141#false} is VALID [2018-11-23 10:21:38,578 INFO L273 TraceCheckUtils]: 79: Hoare triple {3141#false} assume !false; {3141#false} is VALID [2018-11-23 10:21:38,581 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2018-11-23 10:21:38,582 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:21:38,770 INFO L273 TraceCheckUtils]: 79: Hoare triple {3141#false} assume !false; {3141#false} is VALID [2018-11-23 10:21:38,770 INFO L273 TraceCheckUtils]: 78: Hoare triple {3141#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {3141#false} is VALID [2018-11-23 10:21:38,771 INFO L273 TraceCheckUtils]: 77: Hoare triple {3141#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {3141#false} is VALID [2018-11-23 10:21:38,771 INFO L268 TraceCheckUtils]: 76: Hoare quadruple {3140#true} {3141#false} #74#return; {3141#false} is VALID [2018-11-23 10:21:38,771 INFO L273 TraceCheckUtils]: 75: Hoare triple {3140#true} assume true; {3140#true} is VALID [2018-11-23 10:21:38,772 INFO L273 TraceCheckUtils]: 74: Hoare triple {3140#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {3140#true} is VALID [2018-11-23 10:21:38,772 INFO L273 TraceCheckUtils]: 73: Hoare triple {3140#true} assume !~bvslt32(~i~0, 20bv32); {3140#true} is VALID [2018-11-23 10:21:38,772 INFO L273 TraceCheckUtils]: 72: Hoare triple {3140#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3140#true} is VALID [2018-11-23 10:21:38,772 INFO L273 TraceCheckUtils]: 71: Hoare triple {3140#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {3140#true} is VALID [2018-11-23 10:21:38,773 INFO L273 TraceCheckUtils]: 70: Hoare triple {3140#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {3140#true} is VALID [2018-11-23 10:21:38,773 INFO L256 TraceCheckUtils]: 69: Hoare triple {3141#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {3140#true} is VALID [2018-11-23 10:21:38,773 INFO L273 TraceCheckUtils]: 68: Hoare triple {3141#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {3141#false} is VALID [2018-11-23 10:21:38,773 INFO L273 TraceCheckUtils]: 67: Hoare triple {3141#false} assume !~bvslt32(~i~2, 19bv32); {3141#false} is VALID [2018-11-23 10:21:38,773 INFO L273 TraceCheckUtils]: 66: Hoare triple {3141#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {3141#false} is VALID [2018-11-23 10:21:38,773 INFO L273 TraceCheckUtils]: 65: Hoare triple {3141#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {3141#false} is VALID [2018-11-23 10:21:38,774 INFO L273 TraceCheckUtils]: 64: Hoare triple {3141#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {3141#false} is VALID [2018-11-23 10:21:38,774 INFO L268 TraceCheckUtils]: 63: Hoare quadruple {3140#true} {3141#false} #72#return; {3141#false} is VALID [2018-11-23 10:21:38,774 INFO L273 TraceCheckUtils]: 62: Hoare triple {3140#true} assume true; {3140#true} is VALID [2018-11-23 10:21:38,774 INFO L273 TraceCheckUtils]: 61: Hoare triple {3140#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {3140#true} is VALID [2018-11-23 10:21:38,774 INFO L273 TraceCheckUtils]: 60: Hoare triple {3140#true} assume !~bvslt32(~i~0, 20bv32); {3140#true} is VALID [2018-11-23 10:21:38,774 INFO L273 TraceCheckUtils]: 59: Hoare triple {3140#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3140#true} is VALID [2018-11-23 10:21:38,775 INFO L273 TraceCheckUtils]: 58: Hoare triple {3140#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {3140#true} is VALID [2018-11-23 10:21:38,775 INFO L273 TraceCheckUtils]: 57: Hoare triple {3140#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {3140#true} is VALID [2018-11-23 10:21:38,775 INFO L256 TraceCheckUtils]: 56: Hoare triple {3141#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {3140#true} is VALID [2018-11-23 10:21:38,775 INFO L273 TraceCheckUtils]: 55: Hoare triple {3141#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {3141#false} is VALID [2018-11-23 10:21:38,775 INFO L268 TraceCheckUtils]: 54: Hoare quadruple {3141#false} {3140#true} #70#return; {3141#false} is VALID [2018-11-23 10:21:38,775 INFO L273 TraceCheckUtils]: 53: Hoare triple {3141#false} assume true; {3141#false} is VALID [2018-11-23 10:21:38,776 INFO L273 TraceCheckUtils]: 52: Hoare triple {3141#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {3141#false} is VALID [2018-11-23 10:21:38,776 INFO L273 TraceCheckUtils]: 51: Hoare triple {3471#(bvslt avg_~i~0 (_ bv20 32))} assume !~bvslt32(~i~0, 20bv32); {3141#false} is VALID [2018-11-23 10:21:38,777 INFO L273 TraceCheckUtils]: 50: Hoare triple {3475#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3471#(bvslt avg_~i~0 (_ bv20 32))} is VALID [2018-11-23 10:21:38,778 INFO L273 TraceCheckUtils]: 49: Hoare triple {3475#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {3475#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:38,778 INFO L273 TraceCheckUtils]: 48: Hoare triple {3140#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {3475#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:38,778 INFO L256 TraceCheckUtils]: 47: Hoare triple {3140#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {3140#true} is VALID [2018-11-23 10:21:38,779 INFO L273 TraceCheckUtils]: 46: Hoare triple {3140#true} assume !~bvslt32(~i~1, 20bv32); {3140#true} is VALID [2018-11-23 10:21:38,779 INFO L273 TraceCheckUtils]: 45: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,779 INFO L273 TraceCheckUtils]: 44: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,779 INFO L273 TraceCheckUtils]: 43: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,779 INFO L273 TraceCheckUtils]: 42: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,779 INFO L273 TraceCheckUtils]: 41: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,780 INFO L273 TraceCheckUtils]: 40: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,780 INFO L273 TraceCheckUtils]: 39: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,780 INFO L273 TraceCheckUtils]: 38: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,780 INFO L273 TraceCheckUtils]: 37: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,780 INFO L273 TraceCheckUtils]: 36: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,780 INFO L273 TraceCheckUtils]: 35: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,781 INFO L273 TraceCheckUtils]: 34: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,781 INFO L273 TraceCheckUtils]: 33: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,781 INFO L273 TraceCheckUtils]: 32: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,781 INFO L273 TraceCheckUtils]: 31: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,781 INFO L273 TraceCheckUtils]: 30: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,781 INFO L273 TraceCheckUtils]: 29: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,782 INFO L273 TraceCheckUtils]: 28: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,782 INFO L273 TraceCheckUtils]: 27: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,782 INFO L273 TraceCheckUtils]: 26: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,782 INFO L273 TraceCheckUtils]: 25: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,782 INFO L273 TraceCheckUtils]: 24: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,782 INFO L273 TraceCheckUtils]: 23: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,783 INFO L273 TraceCheckUtils]: 22: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,783 INFO L273 TraceCheckUtils]: 21: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,783 INFO L273 TraceCheckUtils]: 20: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,783 INFO L273 TraceCheckUtils]: 19: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,783 INFO L273 TraceCheckUtils]: 18: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,783 INFO L273 TraceCheckUtils]: 17: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,783 INFO L273 TraceCheckUtils]: 16: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,784 INFO L273 TraceCheckUtils]: 15: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,784 INFO L273 TraceCheckUtils]: 14: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,784 INFO L273 TraceCheckUtils]: 13: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,784 INFO L273 TraceCheckUtils]: 12: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,784 INFO L273 TraceCheckUtils]: 11: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,784 INFO L273 TraceCheckUtils]: 10: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,785 INFO L273 TraceCheckUtils]: 9: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,785 INFO L273 TraceCheckUtils]: 8: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,785 INFO L273 TraceCheckUtils]: 7: Hoare triple {3140#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3140#true} is VALID [2018-11-23 10:21:38,785 INFO L273 TraceCheckUtils]: 6: Hoare triple {3140#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3140#true} is VALID [2018-11-23 10:21:38,785 INFO L273 TraceCheckUtils]: 5: Hoare triple {3140#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {3140#true} is VALID [2018-11-23 10:21:38,785 INFO L256 TraceCheckUtils]: 4: Hoare triple {3140#true} call #t~ret12 := main(); {3140#true} is VALID [2018-11-23 10:21:38,786 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3140#true} {3140#true} #66#return; {3140#true} is VALID [2018-11-23 10:21:38,786 INFO L273 TraceCheckUtils]: 2: Hoare triple {3140#true} assume true; {3140#true} is VALID [2018-11-23 10:21:38,786 INFO L273 TraceCheckUtils]: 1: Hoare triple {3140#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {3140#true} is VALID [2018-11-23 10:21:38,786 INFO L256 TraceCheckUtils]: 0: Hoare triple {3140#true} call ULTIMATE.init(); {3140#true} is VALID [2018-11-23 10:21:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2018-11-23 10:21:38,796 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 10:21:38,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-23 10:21:38,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-11-23 10:21:38,798 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:21:38,798 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 10:21:39,047 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:39,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 10:21:39,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 10:21:39,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-23 10:21:39,048 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 6 states. [2018-11-23 10:21:39,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:39,801 INFO L93 Difference]: Finished difference Result 92 states and 104 transitions. [2018-11-23 10:21:39,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 10:21:39,801 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-11-23 10:21:39,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:21:39,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:21:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 62 transitions. [2018-11-23 10:21:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:21:39,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 62 transitions. [2018-11-23 10:21:39,805 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 62 transitions. [2018-11-23 10:21:40,070 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:40,071 INFO L225 Difference]: With dead ends: 92 [2018-11-23 10:21:40,071 INFO L226 Difference]: Without dead ends: 73 [2018-11-23 10:21:40,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-23 10:21:40,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-23 10:21:40,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-23 10:21:40,114 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:21:40,114 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 73 states. [2018-11-23 10:21:40,114 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2018-11-23 10:21:40,114 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2018-11-23 10:21:40,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:40,117 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2018-11-23 10:21:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2018-11-23 10:21:40,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:40,118 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:40,118 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2018-11-23 10:21:40,118 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2018-11-23 10:21:40,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:40,121 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2018-11-23 10:21:40,121 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2018-11-23 10:21:40,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:40,121 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:40,121 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:21:40,122 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:21:40,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-23 10:21:40,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2018-11-23 10:21:40,124 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 80 [2018-11-23 10:21:40,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:21:40,125 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2018-11-23 10:21:40,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 10:21:40,125 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2018-11-23 10:21:40,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 10:21:40,126 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:40,126 INFO L402 BasicCegarLoop]: trace histogram [20, 20, 12, 12, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:40,126 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:40,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:40,127 INFO L82 PathProgramCache]: Analyzing trace with hash 160282153, now seen corresponding path program 2 times [2018-11-23 10:21:40,127 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:40,127 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:40,143 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-23 10:21:41,340 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 10:21:41,340 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 10:21:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:41,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:21:41,697 INFO L256 TraceCheckUtils]: 0: Hoare triple {4017#true} call ULTIMATE.init(); {4017#true} is VALID [2018-11-23 10:21:41,697 INFO L273 TraceCheckUtils]: 1: Hoare triple {4017#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {4017#true} is VALID [2018-11-23 10:21:41,697 INFO L273 TraceCheckUtils]: 2: Hoare triple {4017#true} assume true; {4017#true} is VALID [2018-11-23 10:21:41,698 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4017#true} {4017#true} #66#return; {4017#true} is VALID [2018-11-23 10:21:41,698 INFO L256 TraceCheckUtils]: 4: Hoare triple {4017#true} call #t~ret12 := main(); {4017#true} is VALID [2018-11-23 10:21:41,698 INFO L273 TraceCheckUtils]: 5: Hoare triple {4017#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {4017#true} is VALID [2018-11-23 10:21:41,698 INFO L273 TraceCheckUtils]: 6: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,699 INFO L273 TraceCheckUtils]: 7: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,699 INFO L273 TraceCheckUtils]: 8: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,699 INFO L273 TraceCheckUtils]: 9: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,699 INFO L273 TraceCheckUtils]: 10: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,699 INFO L273 TraceCheckUtils]: 11: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,699 INFO L273 TraceCheckUtils]: 12: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,699 INFO L273 TraceCheckUtils]: 13: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,700 INFO L273 TraceCheckUtils]: 14: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,700 INFO L273 TraceCheckUtils]: 15: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,700 INFO L273 TraceCheckUtils]: 16: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,700 INFO L273 TraceCheckUtils]: 17: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,700 INFO L273 TraceCheckUtils]: 18: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,700 INFO L273 TraceCheckUtils]: 19: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,700 INFO L273 TraceCheckUtils]: 20: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,701 INFO L273 TraceCheckUtils]: 21: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,701 INFO L273 TraceCheckUtils]: 22: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,701 INFO L273 TraceCheckUtils]: 23: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,701 INFO L273 TraceCheckUtils]: 24: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,701 INFO L273 TraceCheckUtils]: 25: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,701 INFO L273 TraceCheckUtils]: 26: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,702 INFO L273 TraceCheckUtils]: 27: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,702 INFO L273 TraceCheckUtils]: 28: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,702 INFO L273 TraceCheckUtils]: 29: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,702 INFO L273 TraceCheckUtils]: 30: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,702 INFO L273 TraceCheckUtils]: 31: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,703 INFO L273 TraceCheckUtils]: 32: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,703 INFO L273 TraceCheckUtils]: 33: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,703 INFO L273 TraceCheckUtils]: 34: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,703 INFO L273 TraceCheckUtils]: 35: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,703 INFO L273 TraceCheckUtils]: 36: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,703 INFO L273 TraceCheckUtils]: 37: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,703 INFO L273 TraceCheckUtils]: 38: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,704 INFO L273 TraceCheckUtils]: 39: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,704 INFO L273 TraceCheckUtils]: 40: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,704 INFO L273 TraceCheckUtils]: 41: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,704 INFO L273 TraceCheckUtils]: 42: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,704 INFO L273 TraceCheckUtils]: 43: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,704 INFO L273 TraceCheckUtils]: 44: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:41,704 INFO L273 TraceCheckUtils]: 45: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:41,704 INFO L273 TraceCheckUtils]: 46: Hoare triple {4017#true} assume !~bvslt32(~i~1, 20bv32); {4017#true} is VALID [2018-11-23 10:21:41,705 INFO L256 TraceCheckUtils]: 47: Hoare triple {4017#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {4017#true} is VALID [2018-11-23 10:21:41,705 INFO L273 TraceCheckUtils]: 48: Hoare triple {4017#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {4166#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-23 10:21:41,705 INFO L273 TraceCheckUtils]: 49: Hoare triple {4166#(= (_ bv0 32) avg_~i~0)} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4166#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-23 10:21:41,706 INFO L273 TraceCheckUtils]: 50: Hoare triple {4166#(= (_ bv0 32) avg_~i~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4173#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:41,706 INFO L273 TraceCheckUtils]: 51: Hoare triple {4173#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4173#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:41,707 INFO L273 TraceCheckUtils]: 52: Hoare triple {4173#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4180#(= (bvadd avg_~i~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:41,707 INFO L273 TraceCheckUtils]: 53: Hoare triple {4180#(= (bvadd avg_~i~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4180#(= (bvadd avg_~i~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:41,707 INFO L273 TraceCheckUtils]: 54: Hoare triple {4180#(= (bvadd avg_~i~0 (_ bv4294967294 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4187#(= (bvadd avg_~i~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:41,708 INFO L273 TraceCheckUtils]: 55: Hoare triple {4187#(= (bvadd avg_~i~0 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4187#(= (bvadd avg_~i~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:41,708 INFO L273 TraceCheckUtils]: 56: Hoare triple {4187#(= (bvadd avg_~i~0 (_ bv4294967293 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4194#(= (_ bv4 32) avg_~i~0)} is VALID [2018-11-23 10:21:41,709 INFO L273 TraceCheckUtils]: 57: Hoare triple {4194#(= (_ bv4 32) avg_~i~0)} assume !~bvslt32(~i~0, 20bv32); {4018#false} is VALID [2018-11-23 10:21:41,709 INFO L273 TraceCheckUtils]: 58: Hoare triple {4018#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {4018#false} is VALID [2018-11-23 10:21:41,709 INFO L273 TraceCheckUtils]: 59: Hoare triple {4018#false} assume true; {4018#false} is VALID [2018-11-23 10:21:41,709 INFO L268 TraceCheckUtils]: 60: Hoare quadruple {4018#false} {4017#true} #70#return; {4018#false} is VALID [2018-11-23 10:21:41,709 INFO L273 TraceCheckUtils]: 61: Hoare triple {4018#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {4018#false} is VALID [2018-11-23 10:21:41,709 INFO L256 TraceCheckUtils]: 62: Hoare triple {4018#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {4018#false} is VALID [2018-11-23 10:21:41,709 INFO L273 TraceCheckUtils]: 63: Hoare triple {4018#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {4018#false} is VALID [2018-11-23 10:21:41,710 INFO L273 TraceCheckUtils]: 64: Hoare triple {4018#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4018#false} is VALID [2018-11-23 10:21:41,710 INFO L273 TraceCheckUtils]: 65: Hoare triple {4018#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4018#false} is VALID [2018-11-23 10:21:41,710 INFO L273 TraceCheckUtils]: 66: Hoare triple {4018#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4018#false} is VALID [2018-11-23 10:21:41,710 INFO L273 TraceCheckUtils]: 67: Hoare triple {4018#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4018#false} is VALID [2018-11-23 10:21:41,711 INFO L273 TraceCheckUtils]: 68: Hoare triple {4018#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4018#false} is VALID [2018-11-23 10:21:41,711 INFO L273 TraceCheckUtils]: 69: Hoare triple {4018#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4018#false} is VALID [2018-11-23 10:21:41,711 INFO L273 TraceCheckUtils]: 70: Hoare triple {4018#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4018#false} is VALID [2018-11-23 10:21:41,712 INFO L273 TraceCheckUtils]: 71: Hoare triple {4018#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4018#false} is VALID [2018-11-23 10:21:41,712 INFO L273 TraceCheckUtils]: 72: Hoare triple {4018#false} assume !~bvslt32(~i~0, 20bv32); {4018#false} is VALID [2018-11-23 10:21:41,712 INFO L273 TraceCheckUtils]: 73: Hoare triple {4018#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {4018#false} is VALID [2018-11-23 10:21:41,712 INFO L273 TraceCheckUtils]: 74: Hoare triple {4018#false} assume true; {4018#false} is VALID [2018-11-23 10:21:41,712 INFO L268 TraceCheckUtils]: 75: Hoare quadruple {4018#false} {4018#false} #72#return; {4018#false} is VALID [2018-11-23 10:21:41,713 INFO L273 TraceCheckUtils]: 76: Hoare triple {4018#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {4018#false} is VALID [2018-11-23 10:21:41,713 INFO L273 TraceCheckUtils]: 77: Hoare triple {4018#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {4018#false} is VALID [2018-11-23 10:21:41,713 INFO L273 TraceCheckUtils]: 78: Hoare triple {4018#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {4018#false} is VALID [2018-11-23 10:21:41,713 INFO L273 TraceCheckUtils]: 79: Hoare triple {4018#false} assume !~bvslt32(~i~2, 19bv32); {4018#false} is VALID [2018-11-23 10:21:41,713 INFO L273 TraceCheckUtils]: 80: Hoare triple {4018#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {4018#false} is VALID [2018-11-23 10:21:41,714 INFO L256 TraceCheckUtils]: 81: Hoare triple {4018#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {4018#false} is VALID [2018-11-23 10:21:41,714 INFO L273 TraceCheckUtils]: 82: Hoare triple {4018#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {4018#false} is VALID [2018-11-23 10:21:41,714 INFO L273 TraceCheckUtils]: 83: Hoare triple {4018#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4018#false} is VALID [2018-11-23 10:21:41,714 INFO L273 TraceCheckUtils]: 84: Hoare triple {4018#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4018#false} is VALID [2018-11-23 10:21:41,714 INFO L273 TraceCheckUtils]: 85: Hoare triple {4018#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4018#false} is VALID [2018-11-23 10:21:41,714 INFO L273 TraceCheckUtils]: 86: Hoare triple {4018#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4018#false} is VALID [2018-11-23 10:21:41,715 INFO L273 TraceCheckUtils]: 87: Hoare triple {4018#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4018#false} is VALID [2018-11-23 10:21:41,715 INFO L273 TraceCheckUtils]: 88: Hoare triple {4018#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4018#false} is VALID [2018-11-23 10:21:41,715 INFO L273 TraceCheckUtils]: 89: Hoare triple {4018#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4018#false} is VALID [2018-11-23 10:21:41,715 INFO L273 TraceCheckUtils]: 90: Hoare triple {4018#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4018#false} is VALID [2018-11-23 10:21:41,715 INFO L273 TraceCheckUtils]: 91: Hoare triple {4018#false} assume !~bvslt32(~i~0, 20bv32); {4018#false} is VALID [2018-11-23 10:21:41,715 INFO L273 TraceCheckUtils]: 92: Hoare triple {4018#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {4018#false} is VALID [2018-11-23 10:21:41,716 INFO L273 TraceCheckUtils]: 93: Hoare triple {4018#false} assume true; {4018#false} is VALID [2018-11-23 10:21:41,716 INFO L268 TraceCheckUtils]: 94: Hoare quadruple {4018#false} {4018#false} #74#return; {4018#false} is VALID [2018-11-23 10:21:41,716 INFO L273 TraceCheckUtils]: 95: Hoare triple {4018#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {4018#false} is VALID [2018-11-23 10:21:41,716 INFO L273 TraceCheckUtils]: 96: Hoare triple {4018#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {4018#false} is VALID [2018-11-23 10:21:41,716 INFO L273 TraceCheckUtils]: 97: Hoare triple {4018#false} assume !false; {4018#false} is VALID [2018-11-23 10:21:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 84 proven. 16 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2018-11-23 10:21:41,722 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:21:42,022 INFO L273 TraceCheckUtils]: 97: Hoare triple {4018#false} assume !false; {4018#false} is VALID [2018-11-23 10:21:42,022 INFO L273 TraceCheckUtils]: 96: Hoare triple {4018#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {4018#false} is VALID [2018-11-23 10:21:42,023 INFO L273 TraceCheckUtils]: 95: Hoare triple {4018#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {4018#false} is VALID [2018-11-23 10:21:42,023 INFO L268 TraceCheckUtils]: 94: Hoare quadruple {4017#true} {4018#false} #74#return; {4018#false} is VALID [2018-11-23 10:21:42,023 INFO L273 TraceCheckUtils]: 93: Hoare triple {4017#true} assume true; {4017#true} is VALID [2018-11-23 10:21:42,023 INFO L273 TraceCheckUtils]: 92: Hoare triple {4017#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {4017#true} is VALID [2018-11-23 10:21:42,024 INFO L273 TraceCheckUtils]: 91: Hoare triple {4017#true} assume !~bvslt32(~i~0, 20bv32); {4017#true} is VALID [2018-11-23 10:21:42,024 INFO L273 TraceCheckUtils]: 90: Hoare triple {4017#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4017#true} is VALID [2018-11-23 10:21:42,024 INFO L273 TraceCheckUtils]: 89: Hoare triple {4017#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4017#true} is VALID [2018-11-23 10:21:42,024 INFO L273 TraceCheckUtils]: 88: Hoare triple {4017#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4017#true} is VALID [2018-11-23 10:21:42,024 INFO L273 TraceCheckUtils]: 87: Hoare triple {4017#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4017#true} is VALID [2018-11-23 10:21:42,024 INFO L273 TraceCheckUtils]: 86: Hoare triple {4017#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4017#true} is VALID [2018-11-23 10:21:42,024 INFO L273 TraceCheckUtils]: 85: Hoare triple {4017#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4017#true} is VALID [2018-11-23 10:21:42,024 INFO L273 TraceCheckUtils]: 84: Hoare triple {4017#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4017#true} is VALID [2018-11-23 10:21:42,025 INFO L273 TraceCheckUtils]: 83: Hoare triple {4017#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4017#true} is VALID [2018-11-23 10:21:42,025 INFO L273 TraceCheckUtils]: 82: Hoare triple {4017#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {4017#true} is VALID [2018-11-23 10:21:42,025 INFO L256 TraceCheckUtils]: 81: Hoare triple {4018#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {4017#true} is VALID [2018-11-23 10:21:42,025 INFO L273 TraceCheckUtils]: 80: Hoare triple {4018#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {4018#false} is VALID [2018-11-23 10:21:42,025 INFO L273 TraceCheckUtils]: 79: Hoare triple {4018#false} assume !~bvslt32(~i~2, 19bv32); {4018#false} is VALID [2018-11-23 10:21:42,025 INFO L273 TraceCheckUtils]: 78: Hoare triple {4018#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {4018#false} is VALID [2018-11-23 10:21:42,025 INFO L273 TraceCheckUtils]: 77: Hoare triple {4018#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {4018#false} is VALID [2018-11-23 10:21:42,025 INFO L273 TraceCheckUtils]: 76: Hoare triple {4018#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {4018#false} is VALID [2018-11-23 10:21:42,025 INFO L268 TraceCheckUtils]: 75: Hoare quadruple {4017#true} {4018#false} #72#return; {4018#false} is VALID [2018-11-23 10:21:42,026 INFO L273 TraceCheckUtils]: 74: Hoare triple {4017#true} assume true; {4017#true} is VALID [2018-11-23 10:21:42,026 INFO L273 TraceCheckUtils]: 73: Hoare triple {4017#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {4017#true} is VALID [2018-11-23 10:21:42,026 INFO L273 TraceCheckUtils]: 72: Hoare triple {4017#true} assume !~bvslt32(~i~0, 20bv32); {4017#true} is VALID [2018-11-23 10:21:42,026 INFO L273 TraceCheckUtils]: 71: Hoare triple {4017#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4017#true} is VALID [2018-11-23 10:21:42,026 INFO L273 TraceCheckUtils]: 70: Hoare triple {4017#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4017#true} is VALID [2018-11-23 10:21:42,026 INFO L273 TraceCheckUtils]: 69: Hoare triple {4017#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4017#true} is VALID [2018-11-23 10:21:42,026 INFO L273 TraceCheckUtils]: 68: Hoare triple {4017#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4017#true} is VALID [2018-11-23 10:21:42,026 INFO L273 TraceCheckUtils]: 67: Hoare triple {4017#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4017#true} is VALID [2018-11-23 10:21:42,027 INFO L273 TraceCheckUtils]: 66: Hoare triple {4017#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4017#true} is VALID [2018-11-23 10:21:42,027 INFO L273 TraceCheckUtils]: 65: Hoare triple {4017#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4017#true} is VALID [2018-11-23 10:21:42,027 INFO L273 TraceCheckUtils]: 64: Hoare triple {4017#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4017#true} is VALID [2018-11-23 10:21:42,027 INFO L273 TraceCheckUtils]: 63: Hoare triple {4017#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {4017#true} is VALID [2018-11-23 10:21:42,027 INFO L256 TraceCheckUtils]: 62: Hoare triple {4018#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {4017#true} is VALID [2018-11-23 10:21:42,027 INFO L273 TraceCheckUtils]: 61: Hoare triple {4018#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {4018#false} is VALID [2018-11-23 10:21:42,027 INFO L268 TraceCheckUtils]: 60: Hoare quadruple {4018#false} {4017#true} #70#return; {4018#false} is VALID [2018-11-23 10:21:42,027 INFO L273 TraceCheckUtils]: 59: Hoare triple {4018#false} assume true; {4018#false} is VALID [2018-11-23 10:21:42,028 INFO L273 TraceCheckUtils]: 58: Hoare triple {4018#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {4018#false} is VALID [2018-11-23 10:21:42,028 INFO L273 TraceCheckUtils]: 57: Hoare triple {4441#(bvslt avg_~i~0 (_ bv20 32))} assume !~bvslt32(~i~0, 20bv32); {4018#false} is VALID [2018-11-23 10:21:42,029 INFO L273 TraceCheckUtils]: 56: Hoare triple {4445#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4441#(bvslt avg_~i~0 (_ bv20 32))} is VALID [2018-11-23 10:21:42,030 INFO L273 TraceCheckUtils]: 55: Hoare triple {4445#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4445#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:42,033 INFO L273 TraceCheckUtils]: 54: Hoare triple {4452#(bvslt (bvadd avg_~i~0 (_ bv2 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4445#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:42,033 INFO L273 TraceCheckUtils]: 53: Hoare triple {4452#(bvslt (bvadd avg_~i~0 (_ bv2 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4452#(bvslt (bvadd avg_~i~0 (_ bv2 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:42,038 INFO L273 TraceCheckUtils]: 52: Hoare triple {4459#(bvslt (bvadd avg_~i~0 (_ bv3 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4452#(bvslt (bvadd avg_~i~0 (_ bv2 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:42,038 INFO L273 TraceCheckUtils]: 51: Hoare triple {4459#(bvslt (bvadd avg_~i~0 (_ bv3 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4459#(bvslt (bvadd avg_~i~0 (_ bv3 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:42,060 INFO L273 TraceCheckUtils]: 50: Hoare triple {4466#(bvslt (bvadd avg_~i~0 (_ bv4 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4459#(bvslt (bvadd avg_~i~0 (_ bv3 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:42,074 INFO L273 TraceCheckUtils]: 49: Hoare triple {4466#(bvslt (bvadd avg_~i~0 (_ bv4 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {4466#(bvslt (bvadd avg_~i~0 (_ bv4 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:42,083 INFO L273 TraceCheckUtils]: 48: Hoare triple {4017#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {4466#(bvslt (bvadd avg_~i~0 (_ bv4 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:42,083 INFO L256 TraceCheckUtils]: 47: Hoare triple {4017#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {4017#true} is VALID [2018-11-23 10:21:42,083 INFO L273 TraceCheckUtils]: 46: Hoare triple {4017#true} assume !~bvslt32(~i~1, 20bv32); {4017#true} is VALID [2018-11-23 10:21:42,084 INFO L273 TraceCheckUtils]: 45: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,084 INFO L273 TraceCheckUtils]: 44: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,084 INFO L273 TraceCheckUtils]: 43: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,084 INFO L273 TraceCheckUtils]: 42: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,084 INFO L273 TraceCheckUtils]: 41: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,085 INFO L273 TraceCheckUtils]: 40: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,085 INFO L273 TraceCheckUtils]: 39: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,085 INFO L273 TraceCheckUtils]: 38: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,085 INFO L273 TraceCheckUtils]: 37: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,085 INFO L273 TraceCheckUtils]: 36: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,085 INFO L273 TraceCheckUtils]: 35: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,086 INFO L273 TraceCheckUtils]: 34: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,086 INFO L273 TraceCheckUtils]: 33: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,086 INFO L273 TraceCheckUtils]: 32: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,086 INFO L273 TraceCheckUtils]: 31: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,086 INFO L273 TraceCheckUtils]: 30: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,086 INFO L273 TraceCheckUtils]: 29: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,087 INFO L273 TraceCheckUtils]: 28: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,087 INFO L273 TraceCheckUtils]: 27: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,087 INFO L273 TraceCheckUtils]: 26: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,087 INFO L273 TraceCheckUtils]: 25: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,087 INFO L273 TraceCheckUtils]: 24: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,088 INFO L273 TraceCheckUtils]: 23: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,088 INFO L273 TraceCheckUtils]: 22: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,088 INFO L273 TraceCheckUtils]: 21: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,088 INFO L273 TraceCheckUtils]: 20: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,088 INFO L273 TraceCheckUtils]: 19: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,088 INFO L273 TraceCheckUtils]: 18: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,089 INFO L273 TraceCheckUtils]: 17: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,089 INFO L273 TraceCheckUtils]: 16: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,089 INFO L273 TraceCheckUtils]: 15: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,089 INFO L273 TraceCheckUtils]: 14: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,089 INFO L273 TraceCheckUtils]: 13: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,089 INFO L273 TraceCheckUtils]: 12: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,090 INFO L273 TraceCheckUtils]: 11: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,090 INFO L273 TraceCheckUtils]: 10: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,090 INFO L273 TraceCheckUtils]: 9: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,090 INFO L273 TraceCheckUtils]: 8: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,090 INFO L273 TraceCheckUtils]: 7: Hoare triple {4017#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4017#true} is VALID [2018-11-23 10:21:42,090 INFO L273 TraceCheckUtils]: 6: Hoare triple {4017#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4017#true} is VALID [2018-11-23 10:21:42,091 INFO L273 TraceCheckUtils]: 5: Hoare triple {4017#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {4017#true} is VALID [2018-11-23 10:21:42,091 INFO L256 TraceCheckUtils]: 4: Hoare triple {4017#true} call #t~ret12 := main(); {4017#true} is VALID [2018-11-23 10:21:42,091 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4017#true} {4017#true} #66#return; {4017#true} is VALID [2018-11-23 10:21:42,091 INFO L273 TraceCheckUtils]: 2: Hoare triple {4017#true} assume true; {4017#true} is VALID [2018-11-23 10:21:42,091 INFO L273 TraceCheckUtils]: 1: Hoare triple {4017#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {4017#true} is VALID [2018-11-23 10:21:42,092 INFO L256 TraceCheckUtils]: 0: Hoare triple {4017#true} call ULTIMATE.init(); {4017#true} is VALID [2018-11-23 10:21:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2018-11-23 10:21:42,104 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 10:21:42,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 10:21:42,105 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2018-11-23 10:21:42,108 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:21:42,108 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2018-11-23 10:21:42,393 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:42,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 10:21:42,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 10:21:42,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-11-23 10:21:42,394 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand 12 states. [2018-11-23 10:21:44,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:44,011 INFO L93 Difference]: Finished difference Result 110 states and 125 transitions. [2018-11-23 10:21:44,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 10:21:44,011 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2018-11-23 10:21:44,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:21:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 10:21:44,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 77 transitions. [2018-11-23 10:21:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 10:21:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 77 transitions. [2018-11-23 10:21:44,015 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 77 transitions. [2018-11-23 10:21:44,313 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:44,315 INFO L225 Difference]: With dead ends: 110 [2018-11-23 10:21:44,315 INFO L226 Difference]: Without dead ends: 85 [2018-11-23 10:21:44,316 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2018-11-23 10:21:44,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-23 10:21:44,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-23 10:21:44,356 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:21:44,356 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand 85 states. [2018-11-23 10:21:44,356 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 85 states. [2018-11-23 10:21:44,356 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 85 states. [2018-11-23 10:21:44,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:44,360 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2018-11-23 10:21:44,360 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2018-11-23 10:21:44,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:44,360 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:44,361 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 85 states. [2018-11-23 10:21:44,361 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 85 states. [2018-11-23 10:21:44,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:44,363 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2018-11-23 10:21:44,363 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2018-11-23 10:21:44,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:44,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:44,364 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:21:44,364 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:21:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-23 10:21:44,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2018-11-23 10:21:44,367 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 98 [2018-11-23 10:21:44,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:21:44,367 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2018-11-23 10:21:44,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 10:21:44,367 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2018-11-23 10:21:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 10:21:44,369 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:44,369 INFO L402 BasicCegarLoop]: trace histogram [30, 30, 20, 20, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:44,369 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:44,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:44,370 INFO L82 PathProgramCache]: Analyzing trace with hash 747478173, now seen corresponding path program 3 times [2018-11-23 10:21:44,370 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:44,371 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:44,399 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-23 10:21:46,255 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-23 10:21:46,256 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 10:21:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:46,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:21:46,531 INFO L256 TraceCheckUtils]: 0: Hoare triple {5083#true} call ULTIMATE.init(); {5083#true} is VALID [2018-11-23 10:21:46,532 INFO L273 TraceCheckUtils]: 1: Hoare triple {5083#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {5083#true} is VALID [2018-11-23 10:21:46,532 INFO L273 TraceCheckUtils]: 2: Hoare triple {5083#true} assume true; {5083#true} is VALID [2018-11-23 10:21:46,532 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5083#true} {5083#true} #66#return; {5083#true} is VALID [2018-11-23 10:21:46,533 INFO L256 TraceCheckUtils]: 4: Hoare triple {5083#true} call #t~ret12 := main(); {5083#true} is VALID [2018-11-23 10:21:46,533 INFO L273 TraceCheckUtils]: 5: Hoare triple {5083#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {5083#true} is VALID [2018-11-23 10:21:46,533 INFO L273 TraceCheckUtils]: 6: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,534 INFO L273 TraceCheckUtils]: 7: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,534 INFO L273 TraceCheckUtils]: 8: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,534 INFO L273 TraceCheckUtils]: 9: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,534 INFO L273 TraceCheckUtils]: 10: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,535 INFO L273 TraceCheckUtils]: 11: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,535 INFO L273 TraceCheckUtils]: 12: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,535 INFO L273 TraceCheckUtils]: 13: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,535 INFO L273 TraceCheckUtils]: 14: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,536 INFO L273 TraceCheckUtils]: 15: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,536 INFO L273 TraceCheckUtils]: 16: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,536 INFO L273 TraceCheckUtils]: 17: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,536 INFO L273 TraceCheckUtils]: 18: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,536 INFO L273 TraceCheckUtils]: 19: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,537 INFO L273 TraceCheckUtils]: 20: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,537 INFO L273 TraceCheckUtils]: 21: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,537 INFO L273 TraceCheckUtils]: 22: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,537 INFO L273 TraceCheckUtils]: 23: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,537 INFO L273 TraceCheckUtils]: 24: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,537 INFO L273 TraceCheckUtils]: 25: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,538 INFO L273 TraceCheckUtils]: 26: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,538 INFO L273 TraceCheckUtils]: 27: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,538 INFO L273 TraceCheckUtils]: 28: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,538 INFO L273 TraceCheckUtils]: 29: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,538 INFO L273 TraceCheckUtils]: 30: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,539 INFO L273 TraceCheckUtils]: 31: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,539 INFO L273 TraceCheckUtils]: 32: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,539 INFO L273 TraceCheckUtils]: 33: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,539 INFO L273 TraceCheckUtils]: 34: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,539 INFO L273 TraceCheckUtils]: 35: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,540 INFO L273 TraceCheckUtils]: 36: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,540 INFO L273 TraceCheckUtils]: 37: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,540 INFO L273 TraceCheckUtils]: 38: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,540 INFO L273 TraceCheckUtils]: 39: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,540 INFO L273 TraceCheckUtils]: 40: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,540 INFO L273 TraceCheckUtils]: 41: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,540 INFO L273 TraceCheckUtils]: 42: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,541 INFO L273 TraceCheckUtils]: 43: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,541 INFO L273 TraceCheckUtils]: 44: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,541 INFO L273 TraceCheckUtils]: 45: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,541 INFO L273 TraceCheckUtils]: 46: Hoare triple {5083#true} assume !~bvslt32(~i~1, 20bv32); {5083#true} is VALID [2018-11-23 10:21:46,541 INFO L256 TraceCheckUtils]: 47: Hoare triple {5083#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {5083#true} is VALID [2018-11-23 10:21:46,541 INFO L273 TraceCheckUtils]: 48: Hoare triple {5083#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {5083#true} is VALID [2018-11-23 10:21:46,541 INFO L273 TraceCheckUtils]: 49: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,542 INFO L273 TraceCheckUtils]: 50: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,542 INFO L273 TraceCheckUtils]: 51: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,542 INFO L273 TraceCheckUtils]: 52: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,542 INFO L273 TraceCheckUtils]: 53: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,542 INFO L273 TraceCheckUtils]: 54: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,542 INFO L273 TraceCheckUtils]: 55: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,542 INFO L273 TraceCheckUtils]: 56: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,542 INFO L273 TraceCheckUtils]: 57: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,543 INFO L273 TraceCheckUtils]: 58: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,543 INFO L273 TraceCheckUtils]: 59: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,543 INFO L273 TraceCheckUtils]: 60: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,543 INFO L273 TraceCheckUtils]: 61: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,543 INFO L273 TraceCheckUtils]: 62: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,543 INFO L273 TraceCheckUtils]: 63: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,543 INFO L273 TraceCheckUtils]: 64: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,544 INFO L273 TraceCheckUtils]: 65: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,544 INFO L273 TraceCheckUtils]: 66: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,544 INFO L273 TraceCheckUtils]: 67: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,544 INFO L273 TraceCheckUtils]: 68: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,544 INFO L273 TraceCheckUtils]: 69: Hoare triple {5083#true} assume !~bvslt32(~i~0, 20bv32); {5083#true} is VALID [2018-11-23 10:21:46,544 INFO L273 TraceCheckUtils]: 70: Hoare triple {5083#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {5083#true} is VALID [2018-11-23 10:21:46,544 INFO L273 TraceCheckUtils]: 71: Hoare triple {5083#true} assume true; {5083#true} is VALID [2018-11-23 10:21:46,545 INFO L268 TraceCheckUtils]: 72: Hoare quadruple {5083#true} {5083#true} #70#return; {5083#true} is VALID [2018-11-23 10:21:46,545 INFO L273 TraceCheckUtils]: 73: Hoare triple {5083#true} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {5083#true} is VALID [2018-11-23 10:21:46,545 INFO L256 TraceCheckUtils]: 74: Hoare triple {5083#true} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {5083#true} is VALID [2018-11-23 10:21:46,545 INFO L273 TraceCheckUtils]: 75: Hoare triple {5083#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {5083#true} is VALID [2018-11-23 10:21:46,545 INFO L273 TraceCheckUtils]: 76: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,545 INFO L273 TraceCheckUtils]: 77: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,546 INFO L273 TraceCheckUtils]: 78: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,546 INFO L273 TraceCheckUtils]: 79: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,546 INFO L273 TraceCheckUtils]: 80: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,546 INFO L273 TraceCheckUtils]: 81: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,546 INFO L273 TraceCheckUtils]: 82: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,546 INFO L273 TraceCheckUtils]: 83: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,546 INFO L273 TraceCheckUtils]: 84: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,546 INFO L273 TraceCheckUtils]: 85: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,547 INFO L273 TraceCheckUtils]: 86: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,547 INFO L273 TraceCheckUtils]: 87: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,547 INFO L273 TraceCheckUtils]: 88: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,547 INFO L273 TraceCheckUtils]: 89: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,547 INFO L273 TraceCheckUtils]: 90: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,547 INFO L273 TraceCheckUtils]: 91: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,547 INFO L273 TraceCheckUtils]: 92: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,548 INFO L273 TraceCheckUtils]: 93: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,548 INFO L273 TraceCheckUtils]: 94: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,548 INFO L273 TraceCheckUtils]: 95: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,548 INFO L273 TraceCheckUtils]: 96: Hoare triple {5083#true} assume !~bvslt32(~i~0, 20bv32); {5083#true} is VALID [2018-11-23 10:21:46,548 INFO L273 TraceCheckUtils]: 97: Hoare triple {5083#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {5083#true} is VALID [2018-11-23 10:21:46,548 INFO L273 TraceCheckUtils]: 98: Hoare triple {5083#true} assume true; {5083#true} is VALID [2018-11-23 10:21:46,549 INFO L268 TraceCheckUtils]: 99: Hoare quadruple {5083#true} {5083#true} #72#return; {5083#true} is VALID [2018-11-23 10:21:46,549 INFO L273 TraceCheckUtils]: 100: Hoare triple {5083#true} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {5388#(= main_~i~2 (_ bv0 32))} is VALID [2018-11-23 10:21:46,549 INFO L273 TraceCheckUtils]: 101: Hoare triple {5388#(= main_~i~2 (_ bv0 32))} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {5388#(= main_~i~2 (_ bv0 32))} is VALID [2018-11-23 10:21:46,550 INFO L273 TraceCheckUtils]: 102: Hoare triple {5388#(= main_~i~2 (_ bv0 32))} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {5395#(= (_ bv1 32) main_~i~2)} is VALID [2018-11-23 10:21:46,550 INFO L273 TraceCheckUtils]: 103: Hoare triple {5395#(= (_ bv1 32) main_~i~2)} assume !~bvslt32(~i~2, 19bv32); {5084#false} is VALID [2018-11-23 10:21:46,551 INFO L273 TraceCheckUtils]: 104: Hoare triple {5084#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {5084#false} is VALID [2018-11-23 10:21:46,551 INFO L256 TraceCheckUtils]: 105: Hoare triple {5084#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {5084#false} is VALID [2018-11-23 10:21:46,551 INFO L273 TraceCheckUtils]: 106: Hoare triple {5084#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {5084#false} is VALID [2018-11-23 10:21:46,551 INFO L273 TraceCheckUtils]: 107: Hoare triple {5084#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5084#false} is VALID [2018-11-23 10:21:46,551 INFO L273 TraceCheckUtils]: 108: Hoare triple {5084#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5084#false} is VALID [2018-11-23 10:21:46,551 INFO L273 TraceCheckUtils]: 109: Hoare triple {5084#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5084#false} is VALID [2018-11-23 10:21:46,552 INFO L273 TraceCheckUtils]: 110: Hoare triple {5084#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5084#false} is VALID [2018-11-23 10:21:46,552 INFO L273 TraceCheckUtils]: 111: Hoare triple {5084#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5084#false} is VALID [2018-11-23 10:21:46,552 INFO L273 TraceCheckUtils]: 112: Hoare triple {5084#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5084#false} is VALID [2018-11-23 10:21:46,552 INFO L273 TraceCheckUtils]: 113: Hoare triple {5084#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5084#false} is VALID [2018-11-23 10:21:46,552 INFO L273 TraceCheckUtils]: 114: Hoare triple {5084#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5084#false} is VALID [2018-11-23 10:21:46,552 INFO L273 TraceCheckUtils]: 115: Hoare triple {5084#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5084#false} is VALID [2018-11-23 10:21:46,552 INFO L273 TraceCheckUtils]: 116: Hoare triple {5084#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5084#false} is VALID [2018-11-23 10:21:46,553 INFO L273 TraceCheckUtils]: 117: Hoare triple {5084#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5084#false} is VALID [2018-11-23 10:21:46,553 INFO L273 TraceCheckUtils]: 118: Hoare triple {5084#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5084#false} is VALID [2018-11-23 10:21:46,553 INFO L273 TraceCheckUtils]: 119: Hoare triple {5084#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5084#false} is VALID [2018-11-23 10:21:46,553 INFO L273 TraceCheckUtils]: 120: Hoare triple {5084#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5084#false} is VALID [2018-11-23 10:21:46,553 INFO L273 TraceCheckUtils]: 121: Hoare triple {5084#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5084#false} is VALID [2018-11-23 10:21:46,553 INFO L273 TraceCheckUtils]: 122: Hoare triple {5084#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5084#false} is VALID [2018-11-23 10:21:46,554 INFO L273 TraceCheckUtils]: 123: Hoare triple {5084#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5084#false} is VALID [2018-11-23 10:21:46,554 INFO L273 TraceCheckUtils]: 124: Hoare triple {5084#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5084#false} is VALID [2018-11-23 10:21:46,554 INFO L273 TraceCheckUtils]: 125: Hoare triple {5084#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5084#false} is VALID [2018-11-23 10:21:46,554 INFO L273 TraceCheckUtils]: 126: Hoare triple {5084#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5084#false} is VALID [2018-11-23 10:21:46,554 INFO L273 TraceCheckUtils]: 127: Hoare triple {5084#false} assume !~bvslt32(~i~0, 20bv32); {5084#false} is VALID [2018-11-23 10:21:46,554 INFO L273 TraceCheckUtils]: 128: Hoare triple {5084#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {5084#false} is VALID [2018-11-23 10:21:46,554 INFO L273 TraceCheckUtils]: 129: Hoare triple {5084#false} assume true; {5084#false} is VALID [2018-11-23 10:21:46,555 INFO L268 TraceCheckUtils]: 130: Hoare quadruple {5084#false} {5084#false} #74#return; {5084#false} is VALID [2018-11-23 10:21:46,555 INFO L273 TraceCheckUtils]: 131: Hoare triple {5084#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {5084#false} is VALID [2018-11-23 10:21:46,555 INFO L273 TraceCheckUtils]: 132: Hoare triple {5084#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {5084#false} is VALID [2018-11-23 10:21:46,555 INFO L273 TraceCheckUtils]: 133: Hoare triple {5084#false} assume !false; {5084#false} is VALID [2018-11-23 10:21:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1376 backedges. 450 proven. 1 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2018-11-23 10:21:46,572 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:21:46,822 INFO L273 TraceCheckUtils]: 133: Hoare triple {5084#false} assume !false; {5084#false} is VALID [2018-11-23 10:21:46,823 INFO L273 TraceCheckUtils]: 132: Hoare triple {5084#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {5084#false} is VALID [2018-11-23 10:21:46,823 INFO L273 TraceCheckUtils]: 131: Hoare triple {5084#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {5084#false} is VALID [2018-11-23 10:21:46,823 INFO L268 TraceCheckUtils]: 130: Hoare quadruple {5083#true} {5084#false} #74#return; {5084#false} is VALID [2018-11-23 10:21:46,823 INFO L273 TraceCheckUtils]: 129: Hoare triple {5083#true} assume true; {5083#true} is VALID [2018-11-23 10:21:46,823 INFO L273 TraceCheckUtils]: 128: Hoare triple {5083#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {5083#true} is VALID [2018-11-23 10:21:46,823 INFO L273 TraceCheckUtils]: 127: Hoare triple {5083#true} assume !~bvslt32(~i~0, 20bv32); {5083#true} is VALID [2018-11-23 10:21:46,824 INFO L273 TraceCheckUtils]: 126: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,824 INFO L273 TraceCheckUtils]: 125: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,824 INFO L273 TraceCheckUtils]: 124: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,824 INFO L273 TraceCheckUtils]: 123: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,824 INFO L273 TraceCheckUtils]: 122: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,824 INFO L273 TraceCheckUtils]: 121: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,824 INFO L273 TraceCheckUtils]: 120: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,825 INFO L273 TraceCheckUtils]: 119: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,825 INFO L273 TraceCheckUtils]: 118: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,825 INFO L273 TraceCheckUtils]: 117: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,825 INFO L273 TraceCheckUtils]: 116: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,825 INFO L273 TraceCheckUtils]: 115: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,825 INFO L273 TraceCheckUtils]: 114: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,826 INFO L273 TraceCheckUtils]: 113: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,826 INFO L273 TraceCheckUtils]: 112: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,826 INFO L273 TraceCheckUtils]: 111: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,826 INFO L273 TraceCheckUtils]: 110: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,826 INFO L273 TraceCheckUtils]: 109: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,827 INFO L273 TraceCheckUtils]: 108: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,827 INFO L273 TraceCheckUtils]: 107: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,827 INFO L273 TraceCheckUtils]: 106: Hoare triple {5083#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {5083#true} is VALID [2018-11-23 10:21:46,827 INFO L256 TraceCheckUtils]: 105: Hoare triple {5084#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {5083#true} is VALID [2018-11-23 10:21:46,827 INFO L273 TraceCheckUtils]: 104: Hoare triple {5084#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {5084#false} is VALID [2018-11-23 10:21:46,837 INFO L273 TraceCheckUtils]: 103: Hoare triple {5579#(bvslt main_~i~2 (_ bv19 32))} assume !~bvslt32(~i~2, 19bv32); {5084#false} is VALID [2018-11-23 10:21:46,838 INFO L273 TraceCheckUtils]: 102: Hoare triple {5583#(bvslt (bvadd main_~i~2 (_ bv1 32)) (_ bv19 32))} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {5579#(bvslt main_~i~2 (_ bv19 32))} is VALID [2018-11-23 10:21:46,839 INFO L273 TraceCheckUtils]: 101: Hoare triple {5583#(bvslt (bvadd main_~i~2 (_ bv1 32)) (_ bv19 32))} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {5583#(bvslt (bvadd main_~i~2 (_ bv1 32)) (_ bv19 32))} is VALID [2018-11-23 10:21:46,839 INFO L273 TraceCheckUtils]: 100: Hoare triple {5083#true} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {5583#(bvslt (bvadd main_~i~2 (_ bv1 32)) (_ bv19 32))} is VALID [2018-11-23 10:21:46,840 INFO L268 TraceCheckUtils]: 99: Hoare quadruple {5083#true} {5083#true} #72#return; {5083#true} is VALID [2018-11-23 10:21:46,840 INFO L273 TraceCheckUtils]: 98: Hoare triple {5083#true} assume true; {5083#true} is VALID [2018-11-23 10:21:46,840 INFO L273 TraceCheckUtils]: 97: Hoare triple {5083#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {5083#true} is VALID [2018-11-23 10:21:46,840 INFO L273 TraceCheckUtils]: 96: Hoare triple {5083#true} assume !~bvslt32(~i~0, 20bv32); {5083#true} is VALID [2018-11-23 10:21:46,840 INFO L273 TraceCheckUtils]: 95: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,840 INFO L273 TraceCheckUtils]: 94: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,841 INFO L273 TraceCheckUtils]: 93: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,841 INFO L273 TraceCheckUtils]: 92: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,841 INFO L273 TraceCheckUtils]: 91: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,841 INFO L273 TraceCheckUtils]: 90: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,841 INFO L273 TraceCheckUtils]: 89: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,841 INFO L273 TraceCheckUtils]: 88: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,842 INFO L273 TraceCheckUtils]: 87: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,842 INFO L273 TraceCheckUtils]: 86: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,842 INFO L273 TraceCheckUtils]: 85: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,842 INFO L273 TraceCheckUtils]: 84: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,843 INFO L273 TraceCheckUtils]: 83: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,843 INFO L273 TraceCheckUtils]: 82: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,843 INFO L273 TraceCheckUtils]: 81: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,843 INFO L273 TraceCheckUtils]: 80: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,844 INFO L273 TraceCheckUtils]: 79: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,844 INFO L273 TraceCheckUtils]: 78: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,844 INFO L273 TraceCheckUtils]: 77: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,844 INFO L273 TraceCheckUtils]: 76: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,844 INFO L273 TraceCheckUtils]: 75: Hoare triple {5083#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {5083#true} is VALID [2018-11-23 10:21:46,844 INFO L256 TraceCheckUtils]: 74: Hoare triple {5083#true} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {5083#true} is VALID [2018-11-23 10:21:46,845 INFO L273 TraceCheckUtils]: 73: Hoare triple {5083#true} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {5083#true} is VALID [2018-11-23 10:21:46,845 INFO L268 TraceCheckUtils]: 72: Hoare quadruple {5083#true} {5083#true} #70#return; {5083#true} is VALID [2018-11-23 10:21:46,845 INFO L273 TraceCheckUtils]: 71: Hoare triple {5083#true} assume true; {5083#true} is VALID [2018-11-23 10:21:46,845 INFO L273 TraceCheckUtils]: 70: Hoare triple {5083#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {5083#true} is VALID [2018-11-23 10:21:46,845 INFO L273 TraceCheckUtils]: 69: Hoare triple {5083#true} assume !~bvslt32(~i~0, 20bv32); {5083#true} is VALID [2018-11-23 10:21:46,845 INFO L273 TraceCheckUtils]: 68: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,846 INFO L273 TraceCheckUtils]: 67: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,846 INFO L273 TraceCheckUtils]: 66: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,846 INFO L273 TraceCheckUtils]: 65: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,846 INFO L273 TraceCheckUtils]: 64: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,846 INFO L273 TraceCheckUtils]: 63: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,846 INFO L273 TraceCheckUtils]: 62: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,846 INFO L273 TraceCheckUtils]: 61: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,847 INFO L273 TraceCheckUtils]: 60: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,847 INFO L273 TraceCheckUtils]: 59: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,847 INFO L273 TraceCheckUtils]: 58: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,847 INFO L273 TraceCheckUtils]: 57: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,847 INFO L273 TraceCheckUtils]: 56: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,847 INFO L273 TraceCheckUtils]: 55: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,848 INFO L273 TraceCheckUtils]: 54: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,848 INFO L273 TraceCheckUtils]: 53: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,848 INFO L273 TraceCheckUtils]: 52: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,848 INFO L273 TraceCheckUtils]: 51: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,848 INFO L273 TraceCheckUtils]: 50: Hoare triple {5083#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5083#true} is VALID [2018-11-23 10:21:46,848 INFO L273 TraceCheckUtils]: 49: Hoare triple {5083#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {5083#true} is VALID [2018-11-23 10:21:46,848 INFO L273 TraceCheckUtils]: 48: Hoare triple {5083#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {5083#true} is VALID [2018-11-23 10:21:46,849 INFO L256 TraceCheckUtils]: 47: Hoare triple {5083#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {5083#true} is VALID [2018-11-23 10:21:46,849 INFO L273 TraceCheckUtils]: 46: Hoare triple {5083#true} assume !~bvslt32(~i~1, 20bv32); {5083#true} is VALID [2018-11-23 10:21:46,849 INFO L273 TraceCheckUtils]: 45: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,849 INFO L273 TraceCheckUtils]: 44: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,849 INFO L273 TraceCheckUtils]: 43: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,849 INFO L273 TraceCheckUtils]: 42: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,850 INFO L273 TraceCheckUtils]: 41: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,850 INFO L273 TraceCheckUtils]: 40: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,850 INFO L273 TraceCheckUtils]: 39: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,850 INFO L273 TraceCheckUtils]: 38: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,850 INFO L273 TraceCheckUtils]: 37: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,850 INFO L273 TraceCheckUtils]: 36: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,850 INFO L273 TraceCheckUtils]: 35: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,851 INFO L273 TraceCheckUtils]: 34: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,851 INFO L273 TraceCheckUtils]: 33: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,851 INFO L273 TraceCheckUtils]: 32: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,851 INFO L273 TraceCheckUtils]: 31: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,851 INFO L273 TraceCheckUtils]: 30: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,851 INFO L273 TraceCheckUtils]: 29: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,852 INFO L273 TraceCheckUtils]: 28: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,852 INFO L273 TraceCheckUtils]: 27: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,852 INFO L273 TraceCheckUtils]: 26: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,852 INFO L273 TraceCheckUtils]: 25: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,852 INFO L273 TraceCheckUtils]: 24: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,852 INFO L273 TraceCheckUtils]: 23: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,852 INFO L273 TraceCheckUtils]: 22: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,853 INFO L273 TraceCheckUtils]: 21: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,853 INFO L273 TraceCheckUtils]: 20: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,853 INFO L273 TraceCheckUtils]: 19: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,853 INFO L273 TraceCheckUtils]: 18: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,853 INFO L273 TraceCheckUtils]: 17: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,853 INFO L273 TraceCheckUtils]: 16: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,854 INFO L273 TraceCheckUtils]: 15: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,854 INFO L273 TraceCheckUtils]: 14: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,854 INFO L273 TraceCheckUtils]: 13: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,854 INFO L273 TraceCheckUtils]: 12: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,854 INFO L273 TraceCheckUtils]: 11: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,854 INFO L273 TraceCheckUtils]: 10: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,854 INFO L273 TraceCheckUtils]: 9: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,855 INFO L273 TraceCheckUtils]: 8: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,855 INFO L273 TraceCheckUtils]: 7: Hoare triple {5083#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5083#true} is VALID [2018-11-23 10:21:46,855 INFO L273 TraceCheckUtils]: 6: Hoare triple {5083#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5083#true} is VALID [2018-11-23 10:21:46,855 INFO L273 TraceCheckUtils]: 5: Hoare triple {5083#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {5083#true} is VALID [2018-11-23 10:21:46,855 INFO L256 TraceCheckUtils]: 4: Hoare triple {5083#true} call #t~ret12 := main(); {5083#true} is VALID [2018-11-23 10:21:46,855 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5083#true} {5083#true} #66#return; {5083#true} is VALID [2018-11-23 10:21:46,856 INFO L273 TraceCheckUtils]: 2: Hoare triple {5083#true} assume true; {5083#true} is VALID [2018-11-23 10:21:46,856 INFO L273 TraceCheckUtils]: 1: Hoare triple {5083#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {5083#true} is VALID [2018-11-23 10:21:46,856 INFO L256 TraceCheckUtils]: 0: Hoare triple {5083#true} call ULTIMATE.init(); {5083#true} is VALID [2018-11-23 10:21:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1376 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2018-11-23 10:21:46,877 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 10:21:46,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-23 10:21:46,878 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-23 10:21:46,878 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:21:46,878 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 10:21:47,102 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:47,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 10:21:47,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 10:21:47,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-23 10:21:47,103 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand 6 states. [2018-11-23 10:21:47,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:47,799 INFO L93 Difference]: Finished difference Result 122 states and 129 transitions. [2018-11-23 10:21:47,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 10:21:47,799 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-23 10:21:47,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:21:47,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:21:47,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2018-11-23 10:21:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:21:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2018-11-23 10:21:47,803 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 52 transitions. [2018-11-23 10:21:48,087 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:48,089 INFO L225 Difference]: With dead ends: 122 [2018-11-23 10:21:48,090 INFO L226 Difference]: Without dead ends: 91 [2018-11-23 10:21:48,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-23 10:21:48,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-23 10:21:48,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-23 10:21:48,144 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:21:48,144 INFO L82 GeneralOperation]: Start isEquivalent. First operand 91 states. Second operand 91 states. [2018-11-23 10:21:48,144 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 91 states. [2018-11-23 10:21:48,144 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 91 states. [2018-11-23 10:21:48,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:48,146 INFO L93 Difference]: Finished difference Result 91 states and 95 transitions. [2018-11-23 10:21:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2018-11-23 10:21:48,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:48,147 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:48,147 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 91 states. [2018-11-23 10:21:48,147 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 91 states. [2018-11-23 10:21:48,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:48,150 INFO L93 Difference]: Finished difference Result 91 states and 95 transitions. [2018-11-23 10:21:48,150 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2018-11-23 10:21:48,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:48,150 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:48,150 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:21:48,151 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:21:48,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-23 10:21:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 95 transitions. [2018-11-23 10:21:48,153 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 95 transitions. Word has length 134 [2018-11-23 10:21:48,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:21:48,153 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 95 transitions. [2018-11-23 10:21:48,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 10:21:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2018-11-23 10:21:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 10:21:48,155 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:48,155 INFO L402 BasicCegarLoop]: trace histogram [30, 30, 20, 20, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:48,155 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:48,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:48,156 INFO L82 PathProgramCache]: Analyzing trace with hash 235910935, now seen corresponding path program 4 times [2018-11-23 10:21:48,157 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:48,157 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:48,179 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 10:21:49,114 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 10:21:49,115 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 10:21:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:21:49,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:21:49,701 INFO L256 TraceCheckUtils]: 0: Hoare triple {6392#true} call ULTIMATE.init(); {6392#true} is VALID [2018-11-23 10:21:49,702 INFO L273 TraceCheckUtils]: 1: Hoare triple {6392#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {6392#true} is VALID [2018-11-23 10:21:49,702 INFO L273 TraceCheckUtils]: 2: Hoare triple {6392#true} assume true; {6392#true} is VALID [2018-11-23 10:21:49,702 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6392#true} {6392#true} #66#return; {6392#true} is VALID [2018-11-23 10:21:49,703 INFO L256 TraceCheckUtils]: 4: Hoare triple {6392#true} call #t~ret12 := main(); {6392#true} is VALID [2018-11-23 10:21:49,703 INFO L273 TraceCheckUtils]: 5: Hoare triple {6392#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {6392#true} is VALID [2018-11-23 10:21:49,703 INFO L273 TraceCheckUtils]: 6: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,703 INFO L273 TraceCheckUtils]: 7: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,703 INFO L273 TraceCheckUtils]: 8: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,704 INFO L273 TraceCheckUtils]: 9: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,704 INFO L273 TraceCheckUtils]: 10: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,704 INFO L273 TraceCheckUtils]: 11: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,704 INFO L273 TraceCheckUtils]: 12: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,704 INFO L273 TraceCheckUtils]: 13: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,705 INFO L273 TraceCheckUtils]: 14: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,705 INFO L273 TraceCheckUtils]: 15: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,705 INFO L273 TraceCheckUtils]: 16: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,705 INFO L273 TraceCheckUtils]: 17: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,705 INFO L273 TraceCheckUtils]: 18: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,705 INFO L273 TraceCheckUtils]: 19: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,706 INFO L273 TraceCheckUtils]: 20: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,706 INFO L273 TraceCheckUtils]: 21: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,706 INFO L273 TraceCheckUtils]: 22: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,706 INFO L273 TraceCheckUtils]: 23: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,706 INFO L273 TraceCheckUtils]: 24: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,706 INFO L273 TraceCheckUtils]: 25: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,706 INFO L273 TraceCheckUtils]: 26: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,706 INFO L273 TraceCheckUtils]: 27: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,707 INFO L273 TraceCheckUtils]: 28: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,707 INFO L273 TraceCheckUtils]: 29: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,707 INFO L273 TraceCheckUtils]: 30: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,707 INFO L273 TraceCheckUtils]: 31: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,707 INFO L273 TraceCheckUtils]: 32: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,707 INFO L273 TraceCheckUtils]: 33: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,708 INFO L273 TraceCheckUtils]: 34: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,708 INFO L273 TraceCheckUtils]: 35: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,708 INFO L273 TraceCheckUtils]: 36: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,708 INFO L273 TraceCheckUtils]: 37: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,708 INFO L273 TraceCheckUtils]: 38: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,709 INFO L273 TraceCheckUtils]: 39: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,709 INFO L273 TraceCheckUtils]: 40: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,709 INFO L273 TraceCheckUtils]: 41: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,709 INFO L273 TraceCheckUtils]: 42: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,709 INFO L273 TraceCheckUtils]: 43: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,709 INFO L273 TraceCheckUtils]: 44: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:49,710 INFO L273 TraceCheckUtils]: 45: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:49,710 INFO L273 TraceCheckUtils]: 46: Hoare triple {6392#true} assume !~bvslt32(~i~1, 20bv32); {6392#true} is VALID [2018-11-23 10:21:49,710 INFO L256 TraceCheckUtils]: 47: Hoare triple {6392#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {6392#true} is VALID [2018-11-23 10:21:49,725 INFO L273 TraceCheckUtils]: 48: Hoare triple {6392#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {6541#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-23 10:21:49,740 INFO L273 TraceCheckUtils]: 49: Hoare triple {6541#(= (_ bv0 32) avg_~i~0)} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6541#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-23 10:21:49,754 INFO L273 TraceCheckUtils]: 50: Hoare triple {6541#(= (_ bv0 32) avg_~i~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6548#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,763 INFO L273 TraceCheckUtils]: 51: Hoare triple {6548#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6548#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,777 INFO L273 TraceCheckUtils]: 52: Hoare triple {6548#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6555#(= (bvadd avg_~i~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,786 INFO L273 TraceCheckUtils]: 53: Hoare triple {6555#(= (bvadd avg_~i~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6555#(= (bvadd avg_~i~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,799 INFO L273 TraceCheckUtils]: 54: Hoare triple {6555#(= (bvadd avg_~i~0 (_ bv4294967294 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6562#(= (bvadd avg_~i~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,814 INFO L273 TraceCheckUtils]: 55: Hoare triple {6562#(= (bvadd avg_~i~0 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6562#(= (bvadd avg_~i~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,823 INFO L273 TraceCheckUtils]: 56: Hoare triple {6562#(= (bvadd avg_~i~0 (_ bv4294967293 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6569#(= (_ bv4 32) avg_~i~0)} is VALID [2018-11-23 10:21:49,841 INFO L273 TraceCheckUtils]: 57: Hoare triple {6569#(= (_ bv4 32) avg_~i~0)} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6569#(= (_ bv4 32) avg_~i~0)} is VALID [2018-11-23 10:21:49,850 INFO L273 TraceCheckUtils]: 58: Hoare triple {6569#(= (_ bv4 32) avg_~i~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6576#(= (bvadd avg_~i~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,865 INFO L273 TraceCheckUtils]: 59: Hoare triple {6576#(= (bvadd avg_~i~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6576#(= (bvadd avg_~i~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,874 INFO L273 TraceCheckUtils]: 60: Hoare triple {6576#(= (bvadd avg_~i~0 (_ bv4294967291 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6583#(= (bvadd avg_~i~0 (_ bv4294967290 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,887 INFO L273 TraceCheckUtils]: 61: Hoare triple {6583#(= (bvadd avg_~i~0 (_ bv4294967290 32)) (_ bv0 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6583#(= (bvadd avg_~i~0 (_ bv4294967290 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,905 INFO L273 TraceCheckUtils]: 62: Hoare triple {6583#(= (bvadd avg_~i~0 (_ bv4294967290 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6590#(= (_ bv7 32) avg_~i~0)} is VALID [2018-11-23 10:21:49,914 INFO L273 TraceCheckUtils]: 63: Hoare triple {6590#(= (_ bv7 32) avg_~i~0)} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6590#(= (_ bv7 32) avg_~i~0)} is VALID [2018-11-23 10:21:49,921 INFO L273 TraceCheckUtils]: 64: Hoare triple {6590#(= (_ bv7 32) avg_~i~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6597#(= (bvadd avg_~i~0 (_ bv4294967288 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,923 INFO L273 TraceCheckUtils]: 65: Hoare triple {6597#(= (bvadd avg_~i~0 (_ bv4294967288 32)) (_ bv0 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6597#(= (bvadd avg_~i~0 (_ bv4294967288 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,923 INFO L273 TraceCheckUtils]: 66: Hoare triple {6597#(= (bvadd avg_~i~0 (_ bv4294967288 32)) (_ bv0 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6604#(= (_ bv9 32) avg_~i~0)} is VALID [2018-11-23 10:21:49,925 INFO L273 TraceCheckUtils]: 67: Hoare triple {6604#(= (_ bv9 32) avg_~i~0)} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6604#(= (_ bv9 32) avg_~i~0)} is VALID [2018-11-23 10:21:49,925 INFO L273 TraceCheckUtils]: 68: Hoare triple {6604#(= (_ bv9 32) avg_~i~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6611#(= (bvadd avg_~i~0 (_ bv4294967286 32)) (_ bv0 32))} is VALID [2018-11-23 10:21:49,928 INFO L273 TraceCheckUtils]: 69: Hoare triple {6611#(= (bvadd avg_~i~0 (_ bv4294967286 32)) (_ bv0 32))} assume !~bvslt32(~i~0, 20bv32); {6393#false} is VALID [2018-11-23 10:21:49,928 INFO L273 TraceCheckUtils]: 70: Hoare triple {6393#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {6393#false} is VALID [2018-11-23 10:21:49,928 INFO L273 TraceCheckUtils]: 71: Hoare triple {6393#false} assume true; {6393#false} is VALID [2018-11-23 10:21:49,928 INFO L268 TraceCheckUtils]: 72: Hoare quadruple {6393#false} {6392#true} #70#return; {6393#false} is VALID [2018-11-23 10:21:49,928 INFO L273 TraceCheckUtils]: 73: Hoare triple {6393#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {6393#false} is VALID [2018-11-23 10:21:49,928 INFO L256 TraceCheckUtils]: 74: Hoare triple {6393#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {6393#false} is VALID [2018-11-23 10:21:49,929 INFO L273 TraceCheckUtils]: 75: Hoare triple {6393#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {6393#false} is VALID [2018-11-23 10:21:49,929 INFO L273 TraceCheckUtils]: 76: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,929 INFO L273 TraceCheckUtils]: 77: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,929 INFO L273 TraceCheckUtils]: 78: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,929 INFO L273 TraceCheckUtils]: 79: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,929 INFO L273 TraceCheckUtils]: 80: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,929 INFO L273 TraceCheckUtils]: 81: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,929 INFO L273 TraceCheckUtils]: 82: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,929 INFO L273 TraceCheckUtils]: 83: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,930 INFO L273 TraceCheckUtils]: 84: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,930 INFO L273 TraceCheckUtils]: 85: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,930 INFO L273 TraceCheckUtils]: 86: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,930 INFO L273 TraceCheckUtils]: 87: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,930 INFO L273 TraceCheckUtils]: 88: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,930 INFO L273 TraceCheckUtils]: 89: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,930 INFO L273 TraceCheckUtils]: 90: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,930 INFO L273 TraceCheckUtils]: 91: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,931 INFO L273 TraceCheckUtils]: 92: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,931 INFO L273 TraceCheckUtils]: 93: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,931 INFO L273 TraceCheckUtils]: 94: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,931 INFO L273 TraceCheckUtils]: 95: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,931 INFO L273 TraceCheckUtils]: 96: Hoare triple {6393#false} assume !~bvslt32(~i~0, 20bv32); {6393#false} is VALID [2018-11-23 10:21:49,931 INFO L273 TraceCheckUtils]: 97: Hoare triple {6393#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {6393#false} is VALID [2018-11-23 10:21:49,931 INFO L273 TraceCheckUtils]: 98: Hoare triple {6393#false} assume true; {6393#false} is VALID [2018-11-23 10:21:49,931 INFO L268 TraceCheckUtils]: 99: Hoare quadruple {6393#false} {6393#false} #72#return; {6393#false} is VALID [2018-11-23 10:21:49,931 INFO L273 TraceCheckUtils]: 100: Hoare triple {6393#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {6393#false} is VALID [2018-11-23 10:21:49,932 INFO L273 TraceCheckUtils]: 101: Hoare triple {6393#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {6393#false} is VALID [2018-11-23 10:21:49,932 INFO L273 TraceCheckUtils]: 102: Hoare triple {6393#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {6393#false} is VALID [2018-11-23 10:21:49,932 INFO L273 TraceCheckUtils]: 103: Hoare triple {6393#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {6393#false} is VALID [2018-11-23 10:21:49,932 INFO L273 TraceCheckUtils]: 104: Hoare triple {6393#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {6393#false} is VALID [2018-11-23 10:21:49,932 INFO L273 TraceCheckUtils]: 105: Hoare triple {6393#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {6393#false} is VALID [2018-11-23 10:21:49,932 INFO L273 TraceCheckUtils]: 106: Hoare triple {6393#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {6393#false} is VALID [2018-11-23 10:21:49,932 INFO L273 TraceCheckUtils]: 107: Hoare triple {6393#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {6393#false} is VALID [2018-11-23 10:21:49,932 INFO L273 TraceCheckUtils]: 108: Hoare triple {6393#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {6393#false} is VALID [2018-11-23 10:21:49,933 INFO L273 TraceCheckUtils]: 109: Hoare triple {6393#false} assume !~bvslt32(~i~2, 19bv32); {6393#false} is VALID [2018-11-23 10:21:49,933 INFO L273 TraceCheckUtils]: 110: Hoare triple {6393#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {6393#false} is VALID [2018-11-23 10:21:49,933 INFO L256 TraceCheckUtils]: 111: Hoare triple {6393#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {6393#false} is VALID [2018-11-23 10:21:49,933 INFO L273 TraceCheckUtils]: 112: Hoare triple {6393#false} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {6393#false} is VALID [2018-11-23 10:21:49,933 INFO L273 TraceCheckUtils]: 113: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,933 INFO L273 TraceCheckUtils]: 114: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,933 INFO L273 TraceCheckUtils]: 115: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,933 INFO L273 TraceCheckUtils]: 116: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,934 INFO L273 TraceCheckUtils]: 117: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,934 INFO L273 TraceCheckUtils]: 118: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,934 INFO L273 TraceCheckUtils]: 119: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,934 INFO L273 TraceCheckUtils]: 120: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,934 INFO L273 TraceCheckUtils]: 121: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,934 INFO L273 TraceCheckUtils]: 122: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,934 INFO L273 TraceCheckUtils]: 123: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,934 INFO L273 TraceCheckUtils]: 124: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,934 INFO L273 TraceCheckUtils]: 125: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,935 INFO L273 TraceCheckUtils]: 126: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,935 INFO L273 TraceCheckUtils]: 127: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,935 INFO L273 TraceCheckUtils]: 128: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,935 INFO L273 TraceCheckUtils]: 129: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,935 INFO L273 TraceCheckUtils]: 130: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,935 INFO L273 TraceCheckUtils]: 131: Hoare triple {6393#false} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6393#false} is VALID [2018-11-23 10:21:49,935 INFO L273 TraceCheckUtils]: 132: Hoare triple {6393#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6393#false} is VALID [2018-11-23 10:21:49,935 INFO L273 TraceCheckUtils]: 133: Hoare triple {6393#false} assume !~bvslt32(~i~0, 20bv32); {6393#false} is VALID [2018-11-23 10:21:49,936 INFO L273 TraceCheckUtils]: 134: Hoare triple {6393#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {6393#false} is VALID [2018-11-23 10:21:49,936 INFO L273 TraceCheckUtils]: 135: Hoare triple {6393#false} assume true; {6393#false} is VALID [2018-11-23 10:21:49,936 INFO L268 TraceCheckUtils]: 136: Hoare quadruple {6393#false} {6393#false} #74#return; {6393#false} is VALID [2018-11-23 10:21:49,936 INFO L273 TraceCheckUtils]: 137: Hoare triple {6393#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {6393#false} is VALID [2018-11-23 10:21:49,936 INFO L273 TraceCheckUtils]: 138: Hoare triple {6393#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {6393#false} is VALID [2018-11-23 10:21:49,936 INFO L273 TraceCheckUtils]: 139: Hoare triple {6393#false} assume !false; {6393#false} is VALID [2018-11-23 10:21:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1391 backedges. 444 proven. 100 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2018-11-23 10:21:49,946 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:21:50,564 INFO L273 TraceCheckUtils]: 139: Hoare triple {6393#false} assume !false; {6393#false} is VALID [2018-11-23 10:21:50,564 INFO L273 TraceCheckUtils]: 138: Hoare triple {6393#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {6393#false} is VALID [2018-11-23 10:21:50,565 INFO L273 TraceCheckUtils]: 137: Hoare triple {6393#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {6393#false} is VALID [2018-11-23 10:21:50,565 INFO L268 TraceCheckUtils]: 136: Hoare quadruple {6392#true} {6393#false} #74#return; {6393#false} is VALID [2018-11-23 10:21:50,565 INFO L273 TraceCheckUtils]: 135: Hoare triple {6392#true} assume true; {6392#true} is VALID [2018-11-23 10:21:50,565 INFO L273 TraceCheckUtils]: 134: Hoare triple {6392#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {6392#true} is VALID [2018-11-23 10:21:50,566 INFO L273 TraceCheckUtils]: 133: Hoare triple {6392#true} assume !~bvslt32(~i~0, 20bv32); {6392#true} is VALID [2018-11-23 10:21:50,566 INFO L273 TraceCheckUtils]: 132: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,566 INFO L273 TraceCheckUtils]: 131: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,566 INFO L273 TraceCheckUtils]: 130: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,566 INFO L273 TraceCheckUtils]: 129: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,566 INFO L273 TraceCheckUtils]: 128: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,566 INFO L273 TraceCheckUtils]: 127: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,566 INFO L273 TraceCheckUtils]: 126: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,567 INFO L273 TraceCheckUtils]: 125: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,567 INFO L273 TraceCheckUtils]: 124: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,567 INFO L273 TraceCheckUtils]: 123: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,567 INFO L273 TraceCheckUtils]: 122: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,567 INFO L273 TraceCheckUtils]: 121: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,567 INFO L273 TraceCheckUtils]: 120: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,567 INFO L273 TraceCheckUtils]: 119: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,567 INFO L273 TraceCheckUtils]: 118: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,568 INFO L273 TraceCheckUtils]: 117: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,568 INFO L273 TraceCheckUtils]: 116: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,568 INFO L273 TraceCheckUtils]: 115: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,568 INFO L273 TraceCheckUtils]: 114: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,568 INFO L273 TraceCheckUtils]: 113: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,568 INFO L273 TraceCheckUtils]: 112: Hoare triple {6392#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {6392#true} is VALID [2018-11-23 10:21:50,569 INFO L256 TraceCheckUtils]: 111: Hoare triple {6393#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {6392#true} is VALID [2018-11-23 10:21:50,569 INFO L273 TraceCheckUtils]: 110: Hoare triple {6393#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(76bv32, ~#x~0.offset), 4bv32); {6393#false} is VALID [2018-11-23 10:21:50,569 INFO L273 TraceCheckUtils]: 109: Hoare triple {6393#false} assume !~bvslt32(~i~2, 19bv32); {6393#false} is VALID [2018-11-23 10:21:50,569 INFO L273 TraceCheckUtils]: 108: Hoare triple {6393#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {6393#false} is VALID [2018-11-23 10:21:50,569 INFO L273 TraceCheckUtils]: 107: Hoare triple {6393#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {6393#false} is VALID [2018-11-23 10:21:50,569 INFO L273 TraceCheckUtils]: 106: Hoare triple {6393#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {6393#false} is VALID [2018-11-23 10:21:50,570 INFO L273 TraceCheckUtils]: 105: Hoare triple {6393#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {6393#false} is VALID [2018-11-23 10:21:50,570 INFO L273 TraceCheckUtils]: 104: Hoare triple {6393#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {6393#false} is VALID [2018-11-23 10:21:50,570 INFO L273 TraceCheckUtils]: 103: Hoare triple {6393#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {6393#false} is VALID [2018-11-23 10:21:50,570 INFO L273 TraceCheckUtils]: 102: Hoare triple {6393#false} #t~post9 := ~i~2;~i~2 := ~bvadd32(1bv32, #t~post9);havoc #t~post9; {6393#false} is VALID [2018-11-23 10:21:50,570 INFO L273 TraceCheckUtils]: 101: Hoare triple {6393#false} assume !!~bvslt32(~i~2, 19bv32);call #t~mem10 := read~intINTTYPE4(~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~bvadd32(1bv32, ~i~2))), 4bv32);call write~intINTTYPE4(#t~mem10, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~2)), 4bv32);havoc #t~mem10; {6393#false} is VALID [2018-11-23 10:21:50,570 INFO L273 TraceCheckUtils]: 100: Hoare triple {6393#false} ~ret2~0 := #t~ret7;havoc #t~ret7;call #t~mem8 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem8;havoc #t~mem8;~i~2 := 0bv32; {6393#false} is VALID [2018-11-23 10:21:50,571 INFO L268 TraceCheckUtils]: 99: Hoare quadruple {6392#true} {6393#false} #72#return; {6393#false} is VALID [2018-11-23 10:21:50,571 INFO L273 TraceCheckUtils]: 98: Hoare triple {6392#true} assume true; {6392#true} is VALID [2018-11-23 10:21:50,571 INFO L273 TraceCheckUtils]: 97: Hoare triple {6392#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {6392#true} is VALID [2018-11-23 10:21:50,571 INFO L273 TraceCheckUtils]: 96: Hoare triple {6392#true} assume !~bvslt32(~i~0, 20bv32); {6392#true} is VALID [2018-11-23 10:21:50,571 INFO L273 TraceCheckUtils]: 95: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,571 INFO L273 TraceCheckUtils]: 94: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,571 INFO L273 TraceCheckUtils]: 93: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,572 INFO L273 TraceCheckUtils]: 92: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,572 INFO L273 TraceCheckUtils]: 91: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,572 INFO L273 TraceCheckUtils]: 90: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,572 INFO L273 TraceCheckUtils]: 89: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,572 INFO L273 TraceCheckUtils]: 88: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,572 INFO L273 TraceCheckUtils]: 87: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,572 INFO L273 TraceCheckUtils]: 86: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,572 INFO L273 TraceCheckUtils]: 85: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,573 INFO L273 TraceCheckUtils]: 84: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,573 INFO L273 TraceCheckUtils]: 83: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,573 INFO L273 TraceCheckUtils]: 82: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,573 INFO L273 TraceCheckUtils]: 81: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,573 INFO L273 TraceCheckUtils]: 80: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,573 INFO L273 TraceCheckUtils]: 79: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,573 INFO L273 TraceCheckUtils]: 78: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,573 INFO L273 TraceCheckUtils]: 77: Hoare triple {6392#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6392#true} is VALID [2018-11-23 10:21:50,573 INFO L273 TraceCheckUtils]: 76: Hoare triple {6392#true} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {6392#true} is VALID [2018-11-23 10:21:50,574 INFO L273 TraceCheckUtils]: 75: Hoare triple {6392#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {6392#true} is VALID [2018-11-23 10:21:50,574 INFO L256 TraceCheckUtils]: 74: Hoare triple {6393#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {6392#true} is VALID [2018-11-23 10:21:50,574 INFO L273 TraceCheckUtils]: 73: Hoare triple {6393#false} ~ret~1 := #t~ret4;havoc #t~ret4;call #t~mem5 := read~intINTTYPE4(~#x~0.base, ~#x~0.offset, 4bv32);~temp~0 := #t~mem5;havoc #t~mem5;call #t~mem6 := read~intINTTYPE4(~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32);call write~intINTTYPE4(#t~mem6, ~#x~0.base, ~#x~0.offset, 4bv32);havoc #t~mem6;call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(4bv32, ~#x~0.offset), 4bv32); {6393#false} is VALID [2018-11-23 10:21:50,574 INFO L268 TraceCheckUtils]: 72: Hoare quadruple {6393#false} {6392#true} #70#return; {6393#false} is VALID [2018-11-23 10:21:50,574 INFO L273 TraceCheckUtils]: 71: Hoare triple {6393#false} assume true; {6393#false} is VALID [2018-11-23 10:21:50,574 INFO L273 TraceCheckUtils]: 70: Hoare triple {6393#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(20bv32))[32:0]; {6393#false} is VALID [2018-11-23 10:21:50,582 INFO L273 TraceCheckUtils]: 69: Hoare triple {7038#(bvslt avg_~i~0 (_ bv20 32))} assume !~bvslt32(~i~0, 20bv32); {6393#false} is VALID [2018-11-23 10:21:50,584 INFO L273 TraceCheckUtils]: 68: Hoare triple {7042#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {7038#(bvslt avg_~i~0 (_ bv20 32))} is VALID [2018-11-23 10:21:50,584 INFO L273 TraceCheckUtils]: 67: Hoare triple {7042#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {7042#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,587 INFO L273 TraceCheckUtils]: 66: Hoare triple {7049#(bvslt (bvadd avg_~i~0 (_ bv2 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {7042#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,588 INFO L273 TraceCheckUtils]: 65: Hoare triple {7049#(bvslt (bvadd avg_~i~0 (_ bv2 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {7049#(bvslt (bvadd avg_~i~0 (_ bv2 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,592 INFO L273 TraceCheckUtils]: 64: Hoare triple {7056#(bvslt (bvadd avg_~i~0 (_ bv3 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {7049#(bvslt (bvadd avg_~i~0 (_ bv2 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,592 INFO L273 TraceCheckUtils]: 63: Hoare triple {7056#(bvslt (bvadd avg_~i~0 (_ bv3 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {7056#(bvslt (bvadd avg_~i~0 (_ bv3 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,596 INFO L273 TraceCheckUtils]: 62: Hoare triple {7063#(bvslt (bvadd avg_~i~0 (_ bv4 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {7056#(bvslt (bvadd avg_~i~0 (_ bv3 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,596 INFO L273 TraceCheckUtils]: 61: Hoare triple {7063#(bvslt (bvadd avg_~i~0 (_ bv4 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {7063#(bvslt (bvadd avg_~i~0 (_ bv4 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,600 INFO L273 TraceCheckUtils]: 60: Hoare triple {7070#(bvslt (bvadd avg_~i~0 (_ bv5 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {7063#(bvslt (bvadd avg_~i~0 (_ bv4 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,600 INFO L273 TraceCheckUtils]: 59: Hoare triple {7070#(bvslt (bvadd avg_~i~0 (_ bv5 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {7070#(bvslt (bvadd avg_~i~0 (_ bv5 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,604 INFO L273 TraceCheckUtils]: 58: Hoare triple {7077#(bvslt (bvadd avg_~i~0 (_ bv6 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {7070#(bvslt (bvadd avg_~i~0 (_ bv5 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,605 INFO L273 TraceCheckUtils]: 57: Hoare triple {7077#(bvslt (bvadd avg_~i~0 (_ bv6 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {7077#(bvslt (bvadd avg_~i~0 (_ bv6 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,609 INFO L273 TraceCheckUtils]: 56: Hoare triple {7084#(bvslt (bvadd avg_~i~0 (_ bv7 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {7077#(bvslt (bvadd avg_~i~0 (_ bv6 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,609 INFO L273 TraceCheckUtils]: 55: Hoare triple {7084#(bvslt (bvadd avg_~i~0 (_ bv7 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {7084#(bvslt (bvadd avg_~i~0 (_ bv7 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,613 INFO L273 TraceCheckUtils]: 54: Hoare triple {7091#(bvslt (bvadd avg_~i~0 (_ bv8 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {7084#(bvslt (bvadd avg_~i~0 (_ bv7 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,613 INFO L273 TraceCheckUtils]: 53: Hoare triple {7091#(bvslt (bvadd avg_~i~0 (_ bv8 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {7091#(bvslt (bvadd avg_~i~0 (_ bv8 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,617 INFO L273 TraceCheckUtils]: 52: Hoare triple {7098#(bvslt (bvadd avg_~i~0 (_ bv9 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {7091#(bvslt (bvadd avg_~i~0 (_ bv8 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,617 INFO L273 TraceCheckUtils]: 51: Hoare triple {7098#(bvslt (bvadd avg_~i~0 (_ bv9 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {7098#(bvslt (bvadd avg_~i~0 (_ bv9 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,622 INFO L273 TraceCheckUtils]: 50: Hoare triple {7105#(bvslt (bvadd avg_~i~0 (_ bv10 32)) (_ bv20 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {7098#(bvslt (bvadd avg_~i~0 (_ bv9 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,622 INFO L273 TraceCheckUtils]: 49: Hoare triple {7105#(bvslt (bvadd avg_~i~0 (_ bv10 32)) (_ bv20 32))} assume !!~bvslt32(~i~0, 20bv32);call #t~mem1 := read~intINTTYPE4(~x.base, ~bvadd32(~x.offset, ~bvmul32(4bv32, ~i~0)), 4bv32);~ret~0 := ~bvadd64(~ret~0, ~sign_extendFrom32To64(#t~mem1));havoc #t~mem1; {7105#(bvslt (bvadd avg_~i~0 (_ bv10 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,623 INFO L273 TraceCheckUtils]: 48: Hoare triple {6392#true} ~x.base, ~x.offset := #in~x.base, #in~x.offset;havoc ~i~0;havoc ~ret~0;~ret~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {7105#(bvslt (bvadd avg_~i~0 (_ bv10 32)) (_ bv20 32))} is VALID [2018-11-23 10:21:50,623 INFO L256 TraceCheckUtils]: 47: Hoare triple {6392#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {6392#true} is VALID [2018-11-23 10:21:50,623 INFO L273 TraceCheckUtils]: 46: Hoare triple {6392#true} assume !~bvslt32(~i~1, 20bv32); {6392#true} is VALID [2018-11-23 10:21:50,623 INFO L273 TraceCheckUtils]: 45: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,623 INFO L273 TraceCheckUtils]: 44: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,623 INFO L273 TraceCheckUtils]: 43: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,623 INFO L273 TraceCheckUtils]: 42: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,624 INFO L273 TraceCheckUtils]: 41: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,624 INFO L273 TraceCheckUtils]: 40: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,624 INFO L273 TraceCheckUtils]: 39: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,624 INFO L273 TraceCheckUtils]: 38: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,624 INFO L273 TraceCheckUtils]: 37: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,624 INFO L273 TraceCheckUtils]: 36: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,624 INFO L273 TraceCheckUtils]: 35: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,624 INFO L273 TraceCheckUtils]: 34: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,624 INFO L273 TraceCheckUtils]: 33: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,625 INFO L273 TraceCheckUtils]: 32: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,625 INFO L273 TraceCheckUtils]: 31: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,625 INFO L273 TraceCheckUtils]: 30: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,625 INFO L273 TraceCheckUtils]: 29: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,625 INFO L273 TraceCheckUtils]: 28: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,625 INFO L273 TraceCheckUtils]: 27: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,625 INFO L273 TraceCheckUtils]: 26: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,625 INFO L273 TraceCheckUtils]: 25: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,626 INFO L273 TraceCheckUtils]: 24: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,626 INFO L273 TraceCheckUtils]: 23: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,626 INFO L273 TraceCheckUtils]: 22: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,626 INFO L273 TraceCheckUtils]: 21: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,626 INFO L273 TraceCheckUtils]: 20: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,626 INFO L273 TraceCheckUtils]: 19: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,627 INFO L273 TraceCheckUtils]: 18: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,627 INFO L273 TraceCheckUtils]: 17: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,627 INFO L273 TraceCheckUtils]: 16: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,627 INFO L273 TraceCheckUtils]: 15: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,627 INFO L273 TraceCheckUtils]: 14: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,627 INFO L273 TraceCheckUtils]: 13: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,627 INFO L273 TraceCheckUtils]: 12: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,628 INFO L273 TraceCheckUtils]: 11: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,628 INFO L273 TraceCheckUtils]: 10: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,628 INFO L273 TraceCheckUtils]: 9: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,628 INFO L273 TraceCheckUtils]: 8: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,628 INFO L273 TraceCheckUtils]: 7: Hoare triple {6392#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {6392#true} is VALID [2018-11-23 10:21:50,628 INFO L273 TraceCheckUtils]: 6: Hoare triple {6392#true} assume !!~bvslt32(~i~1, 20bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {6392#true} is VALID [2018-11-23 10:21:50,628 INFO L273 TraceCheckUtils]: 5: Hoare triple {6392#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(80bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {6392#true} is VALID [2018-11-23 10:21:50,628 INFO L256 TraceCheckUtils]: 4: Hoare triple {6392#true} call #t~ret12 := main(); {6392#true} is VALID [2018-11-23 10:21:50,629 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6392#true} {6392#true} #66#return; {6392#true} is VALID [2018-11-23 10:21:50,629 INFO L273 TraceCheckUtils]: 2: Hoare triple {6392#true} assume true; {6392#true} is VALID [2018-11-23 10:21:50,629 INFO L273 TraceCheckUtils]: 1: Hoare triple {6392#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {6392#true} is VALID [2018-11-23 10:21:50,629 INFO L256 TraceCheckUtils]: 0: Hoare triple {6392#true} call ULTIMATE.init(); {6392#true} is VALID [2018-11-23 10:21:50,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1391 backedges. 0 proven. 548 refuted. 0 times theorem prover too weak. 843 trivial. 0 not checked. [2018-11-23 10:21:50,643 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 10:21:50,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2018-11-23 10:21:50,644 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 140 [2018-11-23 10:21:50,646 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:21:50,646 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states. [2018-11-23 10:21:50,987 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:50,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-23 10:21:50,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-23 10:21:50,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2018-11-23 10:21:50,988 INFO L87 Difference]: Start difference. First operand 91 states and 95 transitions. Second operand 24 states. [2018-11-23 10:21:55,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:55,314 INFO L93 Difference]: Finished difference Result 154 states and 173 transitions. [2018-11-23 10:21:55,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 10:21:55,314 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 140 [2018-11-23 10:21:55,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:21:55,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-23 10:21:55,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 101 transitions. [2018-11-23 10:21:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-23 10:21:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 101 transitions. [2018-11-23 10:21:55,318 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 101 transitions. [2018-11-23 10:21:55,696 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:21:55,698 INFO L225 Difference]: With dead ends: 154 [2018-11-23 10:21:55,698 INFO L226 Difference]: Without dead ends: 111 [2018-11-23 10:21:55,700 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=341, Invalid=651, Unknown=0, NotChecked=0, Total=992 [2018-11-23 10:21:55,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-23 10:21:55,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-23 10:21:55,749 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:21:55,749 INFO L82 GeneralOperation]: Start isEquivalent. First operand 111 states. Second operand 111 states. [2018-11-23 10:21:55,750 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 111 states. [2018-11-23 10:21:55,750 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 111 states. [2018-11-23 10:21:55,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:55,753 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions. [2018-11-23 10:21:55,753 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2018-11-23 10:21:55,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:55,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:55,753 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 111 states. [2018-11-23 10:21:55,753 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 111 states. [2018-11-23 10:21:55,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:21:55,756 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions. [2018-11-23 10:21:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2018-11-23 10:21:55,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:21:55,757 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:21:55,757 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:21:55,757 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:21:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-23 10:21:55,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 115 transitions. [2018-11-23 10:21:55,760 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 115 transitions. Word has length 140 [2018-11-23 10:21:55,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:21:55,761 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 115 transitions. [2018-11-23 10:21:55,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-23 10:21:55,761 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2018-11-23 10:21:55,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-23 10:21:55,763 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:21:55,763 INFO L402 BasicCegarLoop]: trace histogram [60, 60, 20, 20, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:21:55,763 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:21:55,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:21:55,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1496310659, now seen corresponding path program 5 times [2018-11-23 10:21:55,765 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:21:55,765 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:21:55,789 INFO L101 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1